Windows Analysis Report PO-INV 21460041492040401.PDF.exe

AV Detection:

Multi AV Scanner detection for submitted file

Source: PO-INV 21460041492040401.PDF.exe	Virustotal: Detection: 30%			Perma Link
Source: PO-INV 21460041492040401.PDF.exe	ReversingLabs: Detection: 20%

Antivirus / Scanner detection for submitted sample

Source: PO-INV 21460041492040401.PDF.exe

Avira: detected

Yara detected Nanocore RAT

Source: Yara match	File source: 0.2.PO-INV 21460041492040401.PDF.exe.392cce2.4.raw.unpack, type: UNPACKEDPE
Source: Yara match	File source: 0.2.PO-INV 21460041492040401.PDF.exe.39c5320.7.unpack, type: UNPACKEDPE
Source: Yara match	File source: 16.2.RegAsm.exe.3f5053c.5.raw.unpack, type: UNPACKEDPE
Source: Yara match	File source: 0.2.PO-INV 21460041492040401.PDF.exe.38c7332.3.unpack, type: UNPACKEDPE
Source: Yara match	File source: 0.2.PO-INV 21460041492040401.PDF.exe.38fa012.5.unpack, type: UNPACKEDPE
Source: Yara match	File source: 16.2.RegAsm.exe.5870000.9.raw.unpack, type: UNPACKEDPE
Source: Yara match	File source: 16.2.RegAsm.exe.5874629.8.raw.unpack, type: UNPACKEDPE
Source: Yara match	File source: 16.2.RegAsm.exe.3f5053c.5.unpack, type: UNPACKEDPE
Source: Yara match	File source: 0.2.PO-INV 21460041492040401.PDF.exe.38fa012.5.raw.unpack, type: UNPACKEDPE
Source: Yara match	File source: 16.2.RegAsm.exe.3f54b65.4.raw.unpack, type: UNPACKEDPE
Source: Yara match	File source: 16.2.RegAsm.exe.5870000.9.unpack, type: UNPACKEDPE
Source: Yara match	File source: 0.2.PO-INV 21460041492040401.PDF.exe.37b9510.2.raw.unpack, type: UNPACKEDPE
Source: Yara match	File source: 0.2.PO-INV 21460041492040401.PDF.exe.3992662.6.unpack, type: UNPACKEDPE
Source: Yara match	File source: 16.2.RegAsm.exe.400000.0.unpack, type: UNPACKEDPE
Source: Yara match	File source: 0.2.PO-INV 21460041492040401.PDF.exe.392cce2.4.unpack, type: UNPACKEDPE
Source: Yara match	File source: 16.2.RegAsm.exe.3f4b706.3.raw.unpack, type: UNPACKEDPE
Source: Yara match	File source: 0.2.PO-INV 21460041492040401.PDF.exe.39c5320.7.raw.unpack, type: UNPACKEDPE
Source: Yara match	File source: 0.2.PO-INV 21460041492040401.PDF.exe.38c7332.3.raw.unpack, type: UNPACKEDPE
Source: Yara match	File source: 0.2.PO-INV 21460041492040401.PDF.exe.3992662.6.raw.unpack, type: UNPACKEDPE
Source: Yara match	File source: 00000000.00000002.361666966.0000000003894000.00000004.00000001.sdmp, type: MEMORY
Source: Yara match	File source: 00000010.00000002.512833462.0000000002F01000.00000004.00000001.sdmp, type: MEMORY
Source: Yara match	File source: 00000010.00000002.508601961.0000000000402000.00000040.00000001.sdmp, type: MEMORY
Source: Yara match	File source: 00000000.00000002.361495255.00000000037B5000.00000004.00000001.sdmp, type: MEMORY
Source: Yara match	File source: 00000010.00000002.517482154.0000000005870000.00000004.00020000.sdmp, type: MEMORY
Source: Yara match	File source: 00000000.00000002.361849157.0000000003992000.00000004.00000001.sdmp, type: MEMORY
Source: Yara match	File source: 00000010.00000002.516134110.0000000003F09000.00000004.00000001.sdmp, type: MEMORY
Source: Yara match	File source: Process Memory Space: PO-INV 21460041492040401.PDF.exe PID: 6016, type: MEMORYSTR
Source: Yara match	File source: Process Memory Space: RegAsm.exe PID: 6304, type: MEMORYSTR

Machine Learning detection for sample

Source: PO-INV 21460041492040401.PDF.exe

Joe Sandbox ML: detected

Antivirus or Machine Learning detection for unpacked file

Source: 16.2.RegAsm.exe.400000.0.unpack	Avira: Label: TR/Dropper.MSIL.Gen7
Source: 16.2.RegAsm.exe.5870000.9.unpack	Avira: Label: TR/NanoCore.fadte

Compliance:

Uses 32bit PE files

Source: PO-INV 21460041492040401.PDF.exe

Static PE information: 32BIT_MACHINE, EXECUTABLE_IMAGE

Uses insecure TLS / SSL version for HTTPS connection

Source: unknown

HTTPS traffic detected: 172.217.168.36:443 -> 192.168.2.5:49728 version: TLS 1.0

Contains modern PE file flags such as dynamic base (ASLR) or NX

Source: PO-INV 21460041492040401.PDF.exe

Static PE information: NO_SEH, TERMINAL_SERVER_AWARE, DYNAMIC_BASE, NX_COMPAT, HIGH_ENTROPY_VA

Binary contains paths to debug symbols

Source:

Binary string: RegAsm.pdb source: dhcpmon.exe, RegAsm.exe.0.dr

Source:

Binary string: RegAsm.pdb4 source: PO-INV 21460041492040401.PDF.exe, 00000000.00000002.362432506.0000000005DD6000.00000004.00000001.sdmp, RegAsm.exe, 00000010.00000000.344213841.0000000000B52000.00000002.00020000.sdmp, RegAsm.exe, 00000015.00000002.367637445.00000000008D2000.00000002.00020000.sdmp, dhcpmon.exe, 00000017.00000002.368093939.0000000000422000.00000002.00020000.sdmp, dhcpmon.exe, 0000001B.00000002.385134850.0000000000122000.00000002.00020000.sdmp, RegAsm.exe.0.dr

Networking:

HTTP GET or POST without a user agent

Source: global traffic

HTTP traffic detected: GET / HTTP/1.1Host: www.google.comConnection: Keep-Alive

Uses insecure TLS / SSL version for HTTPS connection

Source: unknown

HTTPS traffic detected: 172.217.168.36:443 -> 192.168.2.5:49728 version: TLS 1.0

Detected TCP or UDP traffic on non-standard ports

Source: global traffic

TCP traffic: 192.168.2.5:49765 -> 79.134.225.7:6009

Uses HTTPS

Source: unknown	Network traffic detected: HTTP traffic on port 49728 -> 443
Source: unknown	Network traffic detected: HTTP traffic on port 443 -> 49728

Connects to IPs without corresponding DNS lookups

Source: unknown	TCP traffic detected without corresponding DNS query: 79.134.225.7
Source: unknown	TCP traffic detected without corresponding DNS query: 79.134.225.7
Source: unknown	TCP traffic detected without corresponding DNS query: 79.134.225.7
Source: unknown	TCP traffic detected without corresponding DNS query: 79.134.225.7
Source: unknown	TCP traffic detected without corresponding DNS query: 79.134.225.7
Source: unknown	TCP traffic detected without corresponding DNS query: 79.134.225.7
Source: unknown	TCP traffic detected without corresponding DNS query: 79.134.225.7
Source: unknown	TCP traffic detected without corresponding DNS query: 79.134.225.7
Source: unknown	TCP traffic detected without corresponding DNS query: 79.134.225.7
Source: unknown	TCP traffic detected without corresponding DNS query: 79.134.225.7
Source: unknown	TCP traffic detected without corresponding DNS query: 79.134.225.7
Source: unknown	TCP traffic detected without corresponding DNS query: 79.134.225.7
Source: unknown	TCP traffic detected without corresponding DNS query: 79.134.225.7
Source: unknown	TCP traffic detected without corresponding DNS query: 79.134.225.7
Source: unknown	TCP traffic detected without corresponding DNS query: 79.134.225.7
Source: unknown	TCP traffic detected without corresponding DNS query: 79.134.225.7
Source: unknown	TCP traffic detected without corresponding DNS query: 79.134.225.7
Source: unknown	TCP traffic detected without corresponding DNS query: 79.134.225.7
Source: unknown	TCP traffic detected without corresponding DNS query: 79.134.225.7
Source: unknown	TCP traffic detected without corresponding DNS query: 79.134.225.7
Source: unknown	TCP traffic detected without corresponding DNS query: 79.134.225.7
Source: unknown	TCP traffic detected without corresponding DNS query: 79.134.225.7
Source: unknown	TCP traffic detected without corresponding DNS query: 79.134.225.7
Source: unknown	TCP traffic detected without corresponding DNS query: 79.134.225.7
Source: unknown	TCP traffic detected without corresponding DNS query: 79.134.225.7
Source: unknown	TCP traffic detected without corresponding DNS query: 79.134.225.7
Source: unknown	TCP traffic detected without corresponding DNS query: 79.134.225.7
Source: unknown	TCP traffic detected without corresponding DNS query: 79.134.225.7
Source: unknown	TCP traffic detected without corresponding DNS query: 79.134.225.7
Source: unknown	TCP traffic detected without corresponding DNS query: 79.134.225.7
Source: unknown	TCP traffic detected without corresponding DNS query: 79.134.225.7
Source: unknown	TCP traffic detected without corresponding DNS query: 79.134.225.7
Source: unknown	TCP traffic detected without corresponding DNS query: 79.134.225.7
Source: unknown	TCP traffic detected without corresponding DNS query: 79.134.225.7
Source: unknown	TCP traffic detected without corresponding DNS query: 79.134.225.7
Source: unknown	TCP traffic detected without corresponding DNS query: 79.134.225.7
Source: unknown	TCP traffic detected without corresponding DNS query: 79.134.225.7
Source: unknown	TCP traffic detected without corresponding DNS query: 79.134.225.7
Source: unknown	TCP traffic detected without corresponding DNS query: 79.134.225.7
Source: unknown	TCP traffic detected without corresponding DNS query: 79.134.225.7
Source: unknown	TCP traffic detected without corresponding DNS query: 79.134.225.7
Source: unknown	TCP traffic detected without corresponding DNS query: 79.134.225.7
Source: unknown	TCP traffic detected without corresponding DNS query: 79.134.225.7
Source: unknown	TCP traffic detected without corresponding DNS query: 79.134.225.7
Source: unknown	TCP traffic detected without corresponding DNS query: 79.134.225.7

URLs found in memory or binary data

Source: PO-INV 21460041492040401.PDF.exe, 00000000.00000002.352945744.0000000000A47000.00000004.00000020.sdmp	String found in binary or memory: http://crl.globalsign.net/root-r2.crl0
Source: PO-INV 21460041492040401.PDF.exe, 00000000.00000002.363730356.00000000064B0000.00000004.00000001.sdmp	String found in binary or memory: http://ns.adobe.c/g
Source: PO-INV 21460041492040401.PDF.exe, 00000000.00000003.250914381.00000000064B0000.00000004.00000001.sdmp	String found in binary or memory: http://ns.adobe.c/gz
Source: PO-INV 21460041492040401.PDF.exe, 00000000.00000002.353787988.00000000027B1000.00000004.00000001.sdmp	String found in binary or memory: http://schemas.xmlsoap.org/ws/2005/05/identity/claims/name
Source: PO-INV 21460041492040401.PDF.exe	String found in binary or memory: http://tempuri.org/PendingProList.xsd
Source: PO-INV 21460041492040401.PDF.exe	String found in binary or memory: http://tempuri.org/ProductDataSet.xsd
Source: PO-INV 21460041492040401.PDF.exe	String found in binary or memory: http://tempuri.org/ProductDataSet1.xsd
Source: PO-INV 21460041492040401.PDF.exe	String found in binary or memory: http://tempuri.org/ProductDataSet1.xsd#CustomerDataTableuThe
Source: PO-INV 21460041492040401.PDF.exe	String found in binary or memory: http://tempuri.org/login2DataSet.xsd
Source: PO-INV 21460041492040401.PDF.exe, 00000000.00000002.353787988.00000000027B1000.00000004.00000001.sdmp	String found in binary or memory: https://www.google.com
Source: PO-INV 21460041492040401.PDF.exe	String found in binary or memory: https://www.google.com/

Performs DNS lookups

Source: unknown

DNS traffic detected: queries for: www.google.com

Downloads files from webservers via HTTP

Source: global traffic

HTTP traffic detected: GET / HTTP/1.1Host: www.google.comConnection: Keep-Alive

Key, Mouse, Clipboard, Microphone and Screen Capturing:

Creates a DirectInput object (often for capturing keystrokes)

Source: PO-INV 21460041492040401.PDF.exe, 00000000.00000002.352842268.00000000009CB000.00000004.00000020.sdmp

Binary or memory string: <HOOK MODULE="DDRAW.DLL" FUNCTION="DirectDrawCreateEx"/>

Installs a raw input device (often for capturing keystrokes)

Source: RegAsm.exe, 00000010.00000002.516134110.0000000003F09000.00000004.00000001.sdmp

Binary or memory string: RegisterRawInputDevices

E-Banking Fraud:

Yara detected Nanocore RAT

Source: Yara match	File source: 0.2.PO-INV 21460041492040401.PDF.exe.392cce2.4.raw.unpack, type: UNPACKEDPE
Source: Yara match	File source: 0.2.PO-INV 21460041492040401.PDF.exe.39c5320.7.unpack, type: UNPACKEDPE
Source: Yara match	File source: 16.2.RegAsm.exe.3f5053c.5.raw.unpack, type: UNPACKEDPE
Source: Yara match	File source: 0.2.PO-INV 21460041492040401.PDF.exe.38c7332.3.unpack, type: UNPACKEDPE
Source: Yara match	File source: 0.2.PO-INV 21460041492040401.PDF.exe.38fa012.5.unpack, type: UNPACKEDPE
Source: Yara match	File source: 16.2.RegAsm.exe.5870000.9.raw.unpack, type: UNPACKEDPE
Source: Yara match	File source: 16.2.RegAsm.exe.5874629.8.raw.unpack, type: UNPACKEDPE
Source: Yara match	File source: 16.2.RegAsm.exe.3f5053c.5.unpack, type: UNPACKEDPE
Source: Yara match	File source: 0.2.PO-INV 21460041492040401.PDF.exe.38fa012.5.raw.unpack, type: UNPACKEDPE
Source: Yara match	File source: 16.2.RegAsm.exe.3f54b65.4.raw.unpack, type: UNPACKEDPE
Source: Yara match	File source: 16.2.RegAsm.exe.5870000.9.unpack, type: UNPACKEDPE
Source: Yara match	File source: 0.2.PO-INV 21460041492040401.PDF.exe.37b9510.2.raw.unpack, type: UNPACKEDPE
Source: Yara match	File source: 0.2.PO-INV 21460041492040401.PDF.exe.3992662.6.unpack, type: UNPACKEDPE
Source: Yara match	File source: 16.2.RegAsm.exe.400000.0.unpack, type: UNPACKEDPE
Source: Yara match	File source: 0.2.PO-INV 21460041492040401.PDF.exe.392cce2.4.unpack, type: UNPACKEDPE
Source: Yara match	File source: 16.2.RegAsm.exe.3f4b706.3.raw.unpack, type: UNPACKEDPE
Source: Yara match	File source: 0.2.PO-INV 21460041492040401.PDF.exe.39c5320.7.raw.unpack, type: UNPACKEDPE
Source: Yara match	File source: 0.2.PO-INV 21460041492040401.PDF.exe.38c7332.3.raw.unpack, type: UNPACKEDPE
Source: Yara match	File source: 0.2.PO-INV 21460041492040401.PDF.exe.3992662.6.raw.unpack, type: UNPACKEDPE
Source: Yara match	File source: 00000000.00000002.361666966.0000000003894000.00000004.00000001.sdmp, type: MEMORY
Source: Yara match	File source: 00000010.00000002.512833462.0000000002F01000.00000004.00000001.sdmp, type: MEMORY
Source: Yara match	File source: 00000010.00000002.508601961.0000000000402000.00000040.00000001.sdmp, type: MEMORY
Source: Yara match	File source: 00000000.00000002.361495255.00000000037B5000.00000004.00000001.sdmp, type: MEMORY
Source: Yara match	File source: 00000010.00000002.517482154.0000000005870000.00000004.00020000.sdmp, type: MEMORY
Source: Yara match	File source: 00000000.00000002.361849157.0000000003992000.00000004.00000001.sdmp, type: MEMORY
Source: Yara match	File source: 00000010.00000002.516134110.0000000003F09000.00000004.00000001.sdmp, type: MEMORY
Source: Yara match	File source: Process Memory Space: PO-INV 21460041492040401.PDF.exe PID: 6016, type: MEMORYSTR
Source: Yara match	File source: Process Memory Space: RegAsm.exe PID: 6304, type: MEMORYSTR

System Summary:

Malicious sample detected (through community Yara rule)

Source: 16.2.RegAsm.exe.57b0000.6.raw.unpack, type: UNPACKEDPE	Matched rule: Detetcs the Nanocore RAT Author: Florian Roth
Source: 0.2.PO-INV 21460041492040401.PDF.exe.392cce2.4.raw.unpack, type: UNPACKEDPE	Matched rule: Detetcs the Nanocore RAT Author: Florian Roth
Source: 0.2.PO-INV 21460041492040401.PDF.exe.392cce2.4.raw.unpack, type: UNPACKEDPE	Matched rule: NanoCore Author: Kevin Breen <kevin@techanarchy.net>
Source: 0.2.PO-INV 21460041492040401.PDF.exe.39c5320.7.unpack, type: UNPACKEDPE	Matched rule: Detetcs the Nanocore RAT Author: Florian Roth
Source: 0.2.PO-INV 21460041492040401.PDF.exe.39c5320.7.unpack, type: UNPACKEDPE	Matched rule: NanoCore Author: Kevin Breen <kevin@techanarchy.net>
Source: 16.2.RegAsm.exe.3f5053c.5.raw.unpack, type: UNPACKEDPE	Matched rule: Detetcs the Nanocore RAT Author: Florian Roth
Source: 0.2.PO-INV 21460041492040401.PDF.exe.38c7332.3.unpack, type: UNPACKEDPE	Matched rule: Detetcs the Nanocore RAT Author: Florian Roth
Source: 0.2.PO-INV 21460041492040401.PDF.exe.38fa012.5.unpack, type: UNPACKEDPE	Matched rule: Detetcs the Nanocore RAT Author: Florian Roth
Source: 0.2.PO-INV 21460041492040401.PDF.exe.38fa012.5.unpack, type: UNPACKEDPE	Matched rule: NanoCore Author: Kevin Breen <kevin@techanarchy.net>
Source: 0.2.PO-INV 21460041492040401.PDF.exe.38c7332.3.unpack, type: UNPACKEDPE	Matched rule: NanoCore Author: Kevin Breen <kevin@techanarchy.net>
Source: 16.2.RegAsm.exe.5870000.9.raw.unpack, type: UNPACKEDPE	Matched rule: Detetcs the Nanocore RAT Author: Florian Roth
Source: 16.2.RegAsm.exe.5874629.8.raw.unpack, type: UNPACKEDPE	Matched rule: Detetcs the Nanocore RAT Author: Florian Roth
Source: 16.2.RegAsm.exe.3f5053c.5.unpack, type: UNPACKEDPE	Matched rule: Detetcs the Nanocore RAT Author: Florian Roth
Source: 0.2.PO-INV 21460041492040401.PDF.exe.38fa012.5.raw.unpack, type: UNPACKEDPE	Matched rule: Detetcs the Nanocore RAT Author: Florian Roth
Source: 0.2.PO-INV 21460041492040401.PDF.exe.38fa012.5.raw.unpack, type: UNPACKEDPE	Matched rule: NanoCore Author: Kevin Breen <kevin@techanarchy.net>
Source: 16.2.RegAsm.exe.3f54b65.4.raw.unpack, type: UNPACKEDPE	Matched rule: Detetcs the Nanocore RAT Author: Florian Roth
Source: 16.2.RegAsm.exe.5870000.9.unpack, type: UNPACKEDPE	Matched rule: Detetcs the Nanocore RAT Author: Florian Roth
Source: 0.2.PO-INV 21460041492040401.PDF.exe.37b9510.2.raw.unpack, type: UNPACKEDPE	Matched rule: Detetcs the Nanocore RAT Author: Florian Roth
Source: 0.2.PO-INV 21460041492040401.PDF.exe.37b9510.2.raw.unpack, type: UNPACKEDPE	Matched rule: NanoCore Author: Kevin Breen <kevin@techanarchy.net>
Source: 0.2.PO-INV 21460041492040401.PDF.exe.3992662.6.unpack, type: UNPACKEDPE	Matched rule: Detetcs the Nanocore RAT Author: Florian Roth
Source: 0.2.PO-INV 21460041492040401.PDF.exe.3992662.6.unpack, type: UNPACKEDPE	Matched rule: NanoCore Author: Kevin Breen <kevin@techanarchy.net>
Source: 16.2.RegAsm.exe.2f2d988.2.raw.unpack, type: UNPACKEDPE	Matched rule: Detetcs the Nanocore RAT Author: Florian Roth
Source: 16.2.RegAsm.exe.400000.0.unpack, type: UNPACKEDPE	Matched rule: Detetcs the Nanocore RAT Author: Florian Roth
Source: 16.2.RegAsm.exe.400000.0.unpack, type: UNPACKEDPE	Matched rule: NanoCore Author: Kevin Breen <kevin@techanarchy.net>
Source: 0.2.PO-INV 21460041492040401.PDF.exe.392cce2.4.unpack, type: UNPACKEDPE	Matched rule: Detetcs the Nanocore RAT Author: Florian Roth
Source: 0.2.PO-INV 21460041492040401.PDF.exe.392cce2.4.unpack, type: UNPACKEDPE	Matched rule: NanoCore Author: Kevin Breen <kevin@techanarchy.net>
Source: 16.2.RegAsm.exe.3f4b706.3.raw.unpack, type: UNPACKEDPE	Matched rule: Detetcs the Nanocore RAT Author: Florian Roth
Source: 16.2.RegAsm.exe.3f4b706.3.raw.unpack, type: UNPACKEDPE	Matched rule: NanoCore Author: Kevin Breen <kevin@techanarchy.net>
Source: 0.2.PO-INV 21460041492040401.PDF.exe.39c5320.7.raw.unpack, type: UNPACKEDPE	Matched rule: Detetcs the Nanocore RAT Author: Florian Roth
Source: 0.2.PO-INV 21460041492040401.PDF.exe.39c5320.7.raw.unpack, type: UNPACKEDPE	Matched rule: NanoCore Author: Kevin Breen <kevin@techanarchy.net>
Source: 0.2.PO-INV 21460041492040401.PDF.exe.38c7332.3.raw.unpack, type: UNPACKEDPE	Matched rule: Detetcs the Nanocore RAT Author: Florian Roth
Source: 0.2.PO-INV 21460041492040401.PDF.exe.38c7332.3.raw.unpack, type: UNPACKEDPE	Matched rule: NanoCore Author: Kevin Breen <kevin@techanarchy.net>
Source: 0.2.PO-INV 21460041492040401.PDF.exe.3992662.6.raw.unpack, type: UNPACKEDPE	Matched rule: Detetcs the Nanocore RAT Author: Florian Roth
Source: 0.2.PO-INV 21460041492040401.PDF.exe.3992662.6.raw.unpack, type: UNPACKEDPE	Matched rule: NanoCore Author: Kevin Breen <kevin@techanarchy.net>
Source: 00000000.00000002.361666966.0000000003894000.00000004.00000001.sdmp, type: MEMORY	Matched rule: Detetcs the Nanocore RAT Author: Florian Roth
Source: 00000000.00000002.361666966.0000000003894000.00000004.00000001.sdmp, type: MEMORY	Matched rule: NanoCore Author: Kevin Breen <kevin@techanarchy.net>
Source: 00000010.00000002.517406804.00000000057B0000.00000004.00020000.sdmp, type: MEMORY	Matched rule: Detetcs the Nanocore RAT Author: Florian Roth
Source: 00000010.00000002.508601961.0000000000402000.00000040.00000001.sdmp, type: MEMORY	Matched rule: Detetcs the Nanocore RAT Author: Florian Roth
Source: 00000010.00000002.508601961.0000000000402000.00000040.00000001.sdmp, type: MEMORY	Matched rule: NanoCore Author: Kevin Breen <kevin@techanarchy.net>
Source: 00000000.00000002.361495255.00000000037B5000.00000004.00000001.sdmp, type: MEMORY	Matched rule: Detetcs the Nanocore RAT Author: Florian Roth
Source: 00000000.00000002.361495255.00000000037B5000.00000004.00000001.sdmp, type: MEMORY	Matched rule: NanoCore Author: Kevin Breen <kevin@techanarchy.net>
Source: 00000010.00000002.517482154.0000000005870000.00000004.00020000.sdmp, type: MEMORY	Matched rule: Detetcs the Nanocore RAT Author: Florian Roth
Source: 00000000.00000002.361849157.0000000003992000.00000004.00000001.sdmp, type: MEMORY	Matched rule: Detetcs the Nanocore RAT Author: Florian Roth
Source: 00000000.00000002.361849157.0000000003992000.00000004.00000001.sdmp, type: MEMORY	Matched rule: NanoCore Author: Kevin Breen <kevin@techanarchy.net>
Source: 00000010.00000002.516134110.0000000003F09000.00000004.00000001.sdmp, type: MEMORY	Matched rule: NanoCore Author: Kevin Breen <kevin@techanarchy.net>
Source: Process Memory Space: PO-INV 21460041492040401.PDF.exe PID: 6016, type: MEMORYSTR	Matched rule: Detetcs the Nanocore RAT Author: Florian Roth
Source: Process Memory Space: PO-INV 21460041492040401.PDF.exe PID: 6016, type: MEMORYSTR	Matched rule: NanoCore Author: Kevin Breen <kevin@techanarchy.net>
Source: Process Memory Space: RegAsm.exe PID: 6304, type: MEMORYSTR	Matched rule: Detetcs the Nanocore RAT Author: Florian Roth
Source: Process Memory Space: RegAsm.exe PID: 6304, type: MEMORYSTR	Matched rule: NanoCore Author: Kevin Breen <kevin@techanarchy.net>

Initial sample is a PE file and has a suspicious name

Source: initial sample

Static PE information: Filename: PO-INV 21460041492040401.PDF.exe

Uses 32bit PE files

Source: PO-INV 21460041492040401.PDF.exe

Static PE information: 32BIT_MACHINE, EXECUTABLE_IMAGE

Yara signature match

Source: 16.2.RegAsm.exe.57b0000.6.raw.unpack, type: UNPACKEDPE	Matched rule: Nanocore_RAT_Gen_2 date = 2016-04-22, hash1 = 755f49a4ffef5b1b62f4b5a5de279868c0c1766b528648febf76628f1fe39050, author = Florian Roth, description = Detetcs the Nanocore RAT, license = Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE, score = https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Source: 16.2.RegAsm.exe.57b0000.6.raw.unpack, type: UNPACKEDPE	Matched rule: Nanocore_RAT_Feb18_1 date = 2018-02-19, hash1 = aa486173e9d594729dbb5626748ce10a75ee966481b68c1b4f6323c827d9658c, author = Florian Roth, description = Detects Nanocore RAT, reference = Internal Research - T2T, license = Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE
Source: 0.2.PO-INV 21460041492040401.PDF.exe.392cce2.4.raw.unpack, type: UNPACKEDPE	Matched rule: Nanocore_RAT_Gen_2 date = 2016-04-22, hash1 = 755f49a4ffef5b1b62f4b5a5de279868c0c1766b528648febf76628f1fe39050, author = Florian Roth, description = Detetcs the Nanocore RAT, license = Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE, score = https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Source: 0.2.PO-INV 21460041492040401.PDF.exe.392cce2.4.raw.unpack, type: UNPACKEDPE	Matched rule: Nanocore_RAT_Feb18_1 date = 2018-02-19, hash1 = aa486173e9d594729dbb5626748ce10a75ee966481b68c1b4f6323c827d9658c, author = Florian Roth, description = Detects Nanocore RAT, reference = Internal Research - T2T, license = Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE
Source: 0.2.PO-INV 21460041492040401.PDF.exe.392cce2.4.raw.unpack, type: UNPACKEDPE	Matched rule: NanoCore date = 2014/04, filetype = exe, author = Kevin Breen <kevin@techanarchy.net>, maltype = Remote Access Trojan, ref = http://malwareconfig.com/stats/NanoCore
Source: 0.2.PO-INV 21460041492040401.PDF.exe.39c5320.7.unpack, type: UNPACKEDPE	Matched rule: Nanocore_RAT_Gen_2 date = 2016-04-22, hash1 = 755f49a4ffef5b1b62f4b5a5de279868c0c1766b528648febf76628f1fe39050, author = Florian Roth, description = Detetcs the Nanocore RAT, license = Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE, score = https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Source: 0.2.PO-INV 21460041492040401.PDF.exe.39c5320.7.unpack, type: UNPACKEDPE	Matched rule: Nanocore_RAT_Feb18_1 date = 2018-02-19, hash1 = aa486173e9d594729dbb5626748ce10a75ee966481b68c1b4f6323c827d9658c, author = Florian Roth, description = Detects Nanocore RAT, reference = Internal Research - T2T, license = Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE
Source: 0.2.PO-INV 21460041492040401.PDF.exe.39c5320.7.unpack, type: UNPACKEDPE	Matched rule: NanoCore date = 2014/04, filetype = exe, author = Kevin Breen <kevin@techanarchy.net>, maltype = Remote Access Trojan, ref = http://malwareconfig.com/stats/NanoCore
Source: 16.2.RegAsm.exe.3f5053c.5.raw.unpack, type: UNPACKEDPE	Matched rule: Nanocore_RAT_Gen_2 date = 2016-04-22, hash1 = 755f49a4ffef5b1b62f4b5a5de279868c0c1766b528648febf76628f1fe39050, author = Florian Roth, description = Detetcs the Nanocore RAT, license = Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE, score = https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Source: 16.2.RegAsm.exe.3f5053c.5.raw.unpack, type: UNPACKEDPE	Matched rule: Nanocore_RAT_Feb18_1 date = 2018-02-19, hash1 = aa486173e9d594729dbb5626748ce10a75ee966481b68c1b4f6323c827d9658c, author = Florian Roth, description = Detects Nanocore RAT, reference = Internal Research - T2T, license = Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE
Source: 0.2.PO-INV 21460041492040401.PDF.exe.38c7332.3.unpack, type: UNPACKEDPE	Matched rule: Nanocore_RAT_Gen_2 date = 2016-04-22, hash1 = 755f49a4ffef5b1b62f4b5a5de279868c0c1766b528648febf76628f1fe39050, author = Florian Roth, description = Detetcs the Nanocore RAT, license = Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE, score = https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Source: 0.2.PO-INV 21460041492040401.PDF.exe.38c7332.3.unpack, type: UNPACKEDPE	Matched rule: Nanocore_RAT_Feb18_1 date = 2018-02-19, hash1 = aa486173e9d594729dbb5626748ce10a75ee966481b68c1b4f6323c827d9658c, author = Florian Roth, description = Detects Nanocore RAT, reference = Internal Research - T2T, license = Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE
Source: 0.2.PO-INV 21460041492040401.PDF.exe.38fa012.5.unpack, type: UNPACKEDPE	Matched rule: Nanocore_RAT_Gen_2 date = 2016-04-22, hash1 = 755f49a4ffef5b1b62f4b5a5de279868c0c1766b528648febf76628f1fe39050, author = Florian Roth, description = Detetcs the Nanocore RAT, license = Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE, score = https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Source: 0.2.PO-INV 21460041492040401.PDF.exe.38fa012.5.unpack, type: UNPACKEDPE	Matched rule: Nanocore_RAT_Feb18_1 date = 2018-02-19, hash1 = aa486173e9d594729dbb5626748ce10a75ee966481b68c1b4f6323c827d9658c, author = Florian Roth, description = Detects Nanocore RAT, reference = Internal Research - T2T, license = Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE
Source: 0.2.PO-INV 21460041492040401.PDF.exe.38fa012.5.unpack, type: UNPACKEDPE	Matched rule: NanoCore date = 2014/04, filetype = exe, author = Kevin Breen <kevin@techanarchy.net>, maltype = Remote Access Trojan, ref = http://malwareconfig.com/stats/NanoCore
Source: 0.2.PO-INV 21460041492040401.PDF.exe.38c7332.3.unpack, type: UNPACKEDPE	Matched rule: NanoCore date = 2014/04, filetype = exe, author = Kevin Breen <kevin@techanarchy.net>, maltype = Remote Access Trojan, ref = http://malwareconfig.com/stats/NanoCore
Source: 16.2.RegAsm.exe.5870000.9.raw.unpack, type: UNPACKEDPE	Matched rule: Nanocore_RAT_Gen_2 date = 2016-04-22, hash1 = 755f49a4ffef5b1b62f4b5a5de279868c0c1766b528648febf76628f1fe39050, author = Florian Roth, description = Detetcs the Nanocore RAT, license = Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE, score = https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Source: 16.2.RegAsm.exe.5870000.9.raw.unpack, type: UNPACKEDPE	Matched rule: Nanocore_RAT_Feb18_1 date = 2018-02-19, hash1 = aa486173e9d594729dbb5626748ce10a75ee966481b68c1b4f6323c827d9658c, author = Florian Roth, description = Detects Nanocore RAT, reference = Internal Research - T2T, license = Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE
Source: 16.2.RegAsm.exe.5874629.8.raw.unpack, type: UNPACKEDPE	Matched rule: Nanocore_RAT_Gen_2 date = 2016-04-22, hash1 = 755f49a4ffef5b1b62f4b5a5de279868c0c1766b528648febf76628f1fe39050, author = Florian Roth, description = Detetcs the Nanocore RAT, license = Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE, score = https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Source: 16.2.RegAsm.exe.5874629.8.raw.unpack, type: UNPACKEDPE	Matched rule: Nanocore_RAT_Feb18_1 date = 2018-02-19, hash1 = aa486173e9d594729dbb5626748ce10a75ee966481b68c1b4f6323c827d9658c, author = Florian Roth, description = Detects Nanocore RAT, reference = Internal Research - T2T, license = Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE
Source: 16.2.RegAsm.exe.3f5053c.5.unpack, type: UNPACKEDPE	Matched rule: Nanocore_RAT_Gen_2 date = 2016-04-22, hash1 = 755f49a4ffef5b1b62f4b5a5de279868c0c1766b528648febf76628f1fe39050, author = Florian Roth, description = Detetcs the Nanocore RAT, license = Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE, score = https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Source: 16.2.RegAsm.exe.3f5053c.5.unpack, type: UNPACKEDPE	Matched rule: Nanocore_RAT_Feb18_1 date = 2018-02-19, hash1 = aa486173e9d594729dbb5626748ce10a75ee966481b68c1b4f6323c827d9658c, author = Florian Roth, description = Detects Nanocore RAT, reference = Internal Research - T2T, license = Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE
Source: 0.2.PO-INV 21460041492040401.PDF.exe.38fa012.5.raw.unpack, type: UNPACKEDPE	Matched rule: Nanocore_RAT_Gen_2 date = 2016-04-22, hash1 = 755f49a4ffef5b1b62f4b5a5de279868c0c1766b528648febf76628f1fe39050, author = Florian Roth, description = Detetcs the Nanocore RAT, license = Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE, score = https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Source: 0.2.PO-INV 21460041492040401.PDF.exe.38fa012.5.raw.unpack, type: UNPACKEDPE	Matched rule: Nanocore_RAT_Feb18_1 date = 2018-02-19, hash1 = aa486173e9d594729dbb5626748ce10a75ee966481b68c1b4f6323c827d9658c, author = Florian Roth, description = Detects Nanocore RAT, reference = Internal Research - T2T, license = Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE
Source: 0.2.PO-INV 21460041492040401.PDF.exe.38fa012.5.raw.unpack, type: UNPACKEDPE	Matched rule: NanoCore date = 2014/04, filetype = exe, author = Kevin Breen <kevin@techanarchy.net>, maltype = Remote Access Trojan, ref = http://malwareconfig.com/stats/NanoCore
Source: 16.2.RegAsm.exe.3f54b65.4.raw.unpack, type: UNPACKEDPE	Matched rule: Nanocore_RAT_Gen_2 date = 2016-04-22, hash1 = 755f49a4ffef5b1b62f4b5a5de279868c0c1766b528648febf76628f1fe39050, author = Florian Roth, description = Detetcs the Nanocore RAT, license = Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE, score = https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Source: 16.2.RegAsm.exe.3f54b65.4.raw.unpack, type: UNPACKEDPE	Matched rule: Nanocore_RAT_Feb18_1 date = 2018-02-19, hash1 = aa486173e9d594729dbb5626748ce10a75ee966481b68c1b4f6323c827d9658c, author = Florian Roth, description = Detects Nanocore RAT, reference = Internal Research - T2T, license = Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE
Source: 16.2.RegAsm.exe.5870000.9.unpack, type: UNPACKEDPE	Matched rule: Nanocore_RAT_Gen_2 date = 2016-04-22, hash1 = 755f49a4ffef5b1b62f4b5a5de279868c0c1766b528648febf76628f1fe39050, author = Florian Roth, description = Detetcs the Nanocore RAT, license = Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE, score = https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Source: 16.2.RegAsm.exe.5870000.9.unpack, type: UNPACKEDPE	Matched rule: Nanocore_RAT_Feb18_1 date = 2018-02-19, hash1 = aa486173e9d594729dbb5626748ce10a75ee966481b68c1b4f6323c827d9658c, author = Florian Roth, description = Detects Nanocore RAT, reference = Internal Research - T2T, license = Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE
Source: 0.2.PO-INV 21460041492040401.PDF.exe.37b9510.2.raw.unpack, type: UNPACKEDPE	Matched rule: Nanocore_RAT_Gen_2 date = 2016-04-22, hash1 = 755f49a4ffef5b1b62f4b5a5de279868c0c1766b528648febf76628f1fe39050, author = Florian Roth, description = Detetcs the Nanocore RAT, license = Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE, score = https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Source: 0.2.PO-INV 21460041492040401.PDF.exe.37b9510.2.raw.unpack, type: UNPACKEDPE	Matched rule: Nanocore_RAT_Feb18_1 date = 2018-02-19, hash1 = aa486173e9d594729dbb5626748ce10a75ee966481b68c1b4f6323c827d9658c, author = Florian Roth, description = Detects Nanocore RAT, reference = Internal Research - T2T, license = Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE
Source: 0.2.PO-INV 21460041492040401.PDF.exe.37b9510.2.raw.unpack, type: UNPACKEDPE	Matched rule: NanoCore date = 2014/04, filetype = exe, author = Kevin Breen <kevin@techanarchy.net>, maltype = Remote Access Trojan, ref = http://malwareconfig.com/stats/NanoCore
Source: 0.2.PO-INV 21460041492040401.PDF.exe.3992662.6.unpack, type: UNPACKEDPE	Matched rule: Nanocore_RAT_Gen_2 date = 2016-04-22, hash1 = 755f49a4ffef5b1b62f4b5a5de279868c0c1766b528648febf76628f1fe39050, author = Florian Roth, description = Detetcs the Nanocore RAT, license = Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE, score = https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Source: 0.2.PO-INV 21460041492040401.PDF.exe.3992662.6.unpack, type: UNPACKEDPE	Matched rule: Nanocore_RAT_Feb18_1 date = 2018-02-19, hash1 = aa486173e9d594729dbb5626748ce10a75ee966481b68c1b4f6323c827d9658c, author = Florian Roth, description = Detects Nanocore RAT, reference = Internal Research - T2T, license = Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE
Source: 0.2.PO-INV 21460041492040401.PDF.exe.3992662.6.unpack, type: UNPACKEDPE	Matched rule: NanoCore date = 2014/04, filetype = exe, author = Kevin Breen <kevin@techanarchy.net>, maltype = Remote Access Trojan, ref = http://malwareconfig.com/stats/NanoCore
Source: 16.2.RegAsm.exe.2f2d988.2.raw.unpack, type: UNPACKEDPE	Matched rule: Nanocore_RAT_Gen_2 date = 2016-04-22, hash1 = 755f49a4ffef5b1b62f4b5a5de279868c0c1766b528648febf76628f1fe39050, author = Florian Roth, description = Detetcs the Nanocore RAT, license = Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE, score = https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Source: 16.2.RegAsm.exe.2f2d988.2.raw.unpack, type: UNPACKEDPE	Matched rule: Nanocore_RAT_Feb18_1 date = 2018-02-19, hash1 = aa486173e9d594729dbb5626748ce10a75ee966481b68c1b4f6323c827d9658c, author = Florian Roth, description = Detects Nanocore RAT, reference = Internal Research - T2T, license = Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE
Source: 16.2.RegAsm.exe.400000.0.unpack, type: UNPACKEDPE	Matched rule: Nanocore_RAT_Gen_2 date = 2016-04-22, hash1 = 755f49a4ffef5b1b62f4b5a5de279868c0c1766b528648febf76628f1fe39050, author = Florian Roth, description = Detetcs the Nanocore RAT, license = Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE, score = https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Source: 16.2.RegAsm.exe.400000.0.unpack, type: UNPACKEDPE	Matched rule: Nanocore_RAT_Feb18_1 date = 2018-02-19, hash1 = aa486173e9d594729dbb5626748ce10a75ee966481b68c1b4f6323c827d9658c, author = Florian Roth, description = Detects Nanocore RAT, reference = Internal Research - T2T, license = Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE
Source: 16.2.RegAsm.exe.400000.0.unpack, type: UNPACKEDPE	Matched rule: NanoCore date = 2014/04, filetype = exe, author = Kevin Breen <kevin@techanarchy.net>, maltype = Remote Access Trojan, ref = http://malwareconfig.com/stats/NanoCore
Source: 0.2.PO-INV 21460041492040401.PDF.exe.392cce2.4.unpack, type: UNPACKEDPE	Matched rule: Nanocore_RAT_Gen_2 date = 2016-04-22, hash1 = 755f49a4ffef5b1b62f4b5a5de279868c0c1766b528648febf76628f1fe39050, author = Florian Roth, description = Detetcs the Nanocore RAT, license = Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE, score = https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Source: 0.2.PO-INV 21460041492040401.PDF.exe.392cce2.4.unpack, type: UNPACKEDPE	Matched rule: Nanocore_RAT_Feb18_1 date = 2018-02-19, hash1 = aa486173e9d594729dbb5626748ce10a75ee966481b68c1b4f6323c827d9658c, author = Florian Roth, description = Detects Nanocore RAT, reference = Internal Research - T2T, license = Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE
Source: 0.2.PO-INV 21460041492040401.PDF.exe.392cce2.4.unpack, type: UNPACKEDPE	Matched rule: NanoCore date = 2014/04, filetype = exe, author = Kevin Breen <kevin@techanarchy.net>, maltype = Remote Access Trojan, ref = http://malwareconfig.com/stats/NanoCore
Source: 16.2.RegAsm.exe.3f4b706.3.raw.unpack, type: UNPACKEDPE	Matched rule: Nanocore_RAT_Gen_2 date = 2016-04-22, hash1 = 755f49a4ffef5b1b62f4b5a5de279868c0c1766b528648febf76628f1fe39050, author = Florian Roth, description = Detetcs the Nanocore RAT, license = Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE, score = https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Source: 16.2.RegAsm.exe.3f4b706.3.raw.unpack, type: UNPACKEDPE	Matched rule: Nanocore_RAT_Feb18_1 date = 2018-02-19, hash1 = aa486173e9d594729dbb5626748ce10a75ee966481b68c1b4f6323c827d9658c, author = Florian Roth, description = Detects Nanocore RAT, reference = Internal Research - T2T, license = Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE
Source: 16.2.RegAsm.exe.3f4b706.3.raw.unpack, type: UNPACKEDPE	Matched rule: NanoCore date = 2014/04, filetype = exe, author = Kevin Breen <kevin@techanarchy.net>, maltype = Remote Access Trojan, ref = http://malwareconfig.com/stats/NanoCore
Source: 0.2.PO-INV 21460041492040401.PDF.exe.39c5320.7.raw.unpack, type: UNPACKEDPE	Matched rule: Nanocore_RAT_Gen_2 date = 2016-04-22, hash1 = 755f49a4ffef5b1b62f4b5a5de279868c0c1766b528648febf76628f1fe39050, author = Florian Roth, description = Detetcs the Nanocore RAT, license = Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE, score = https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Source: 0.2.PO-INV 21460041492040401.PDF.exe.39c5320.7.raw.unpack, type: UNPACKEDPE	Matched rule: Nanocore_RAT_Feb18_1 date = 2018-02-19, hash1 = aa486173e9d594729dbb5626748ce10a75ee966481b68c1b4f6323c827d9658c, author = Florian Roth, description = Detects Nanocore RAT, reference = Internal Research - T2T, license = Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE
Source: 0.2.PO-INV 21460041492040401.PDF.exe.39c5320.7.raw.unpack, type: UNPACKEDPE	Matched rule: NanoCore date = 2014/04, filetype = exe, author = Kevin Breen <kevin@techanarchy.net>, maltype = Remote Access Trojan, ref = http://malwareconfig.com/stats/NanoCore
Source: 0.2.PO-INV 21460041492040401.PDF.exe.38c7332.3.raw.unpack, type: UNPACKEDPE	Matched rule: Nanocore_RAT_Gen_2 date = 2016-04-22, hash1 = 755f49a4ffef5b1b62f4b5a5de279868c0c1766b528648febf76628f1fe39050, author = Florian Roth, description = Detetcs the Nanocore RAT, license = Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE, score = https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Source: 0.2.PO-INV 21460041492040401.PDF.exe.38c7332.3.raw.unpack, type: UNPACKEDPE	Matched rule: NanoCore date = 2014/04, filetype = exe, author = Kevin Breen <kevin@techanarchy.net>, maltype = Remote Access Trojan, ref = http://malwareconfig.com/stats/NanoCore
Source: 0.2.PO-INV 21460041492040401.PDF.exe.3992662.6.raw.unpack, type: UNPACKEDPE	Matched rule: Nanocore_RAT_Gen_2 date = 2016-04-22, hash1 = 755f49a4ffef5b1b62f4b5a5de279868c0c1766b528648febf76628f1fe39050, author = Florian Roth, description = Detetcs the Nanocore RAT, license = Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE, score = https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Source: 0.2.PO-INV 21460041492040401.PDF.exe.3992662.6.raw.unpack, type: UNPACKEDPE	Matched rule: Nanocore_RAT_Feb18_1 date = 2018-02-19, hash1 = aa486173e9d594729dbb5626748ce10a75ee966481b68c1b4f6323c827d9658c, author = Florian Roth, description = Detects Nanocore RAT, reference = Internal Research - T2T, license = Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE
Source: 0.2.PO-INV 21460041492040401.PDF.exe.3992662.6.raw.unpack, type: UNPACKEDPE	Matched rule: NanoCore date = 2014/04, filetype = exe, author = Kevin Breen <kevin@techanarchy.net>, maltype = Remote Access Trojan, ref = http://malwareconfig.com/stats/NanoCore
Source: 00000000.00000002.361666966.0000000003894000.00000004.00000001.sdmp, type: MEMORY	Matched rule: Nanocore_RAT_Gen_2 date = 2016-04-22, hash1 = 755f49a4ffef5b1b62f4b5a5de279868c0c1766b528648febf76628f1fe39050, author = Florian Roth, description = Detetcs the Nanocore RAT, license = Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE, score = https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Source: 00000000.00000002.361666966.0000000003894000.00000004.00000001.sdmp, type: MEMORY	Matched rule: NanoCore date = 2014/04, filetype = exe, author = Kevin Breen <kevin@techanarchy.net>, maltype = Remote Access Trojan, ref = http://malwareconfig.com/stats/NanoCore
Source: 00000010.00000002.517406804.00000000057B0000.00000004.00020000.sdmp, type: MEMORY	Matched rule: Nanocore_RAT_Gen_2 date = 2016-04-22, hash1 = 755f49a4ffef5b1b62f4b5a5de279868c0c1766b528648febf76628f1fe39050, author = Florian Roth, description = Detetcs the Nanocore RAT, license = Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE, score = https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Source: 00000010.00000002.517406804.00000000057B0000.00000004.00020000.sdmp, type: MEMORY	Matched rule: Nanocore_RAT_Feb18_1 date = 2018-02-19, hash1 = aa486173e9d594729dbb5626748ce10a75ee966481b68c1b4f6323c827d9658c, author = Florian Roth, description = Detects Nanocore RAT, reference = Internal Research - T2T, license = Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE
Source: 00000010.00000002.508601961.0000000000402000.00000040.00000001.sdmp, type: MEMORY	Matched rule: Nanocore_RAT_Gen_2 date = 2016-04-22, hash1 = 755f49a4ffef5b1b62f4b5a5de279868c0c1766b528648febf76628f1fe39050, author = Florian Roth, description = Detetcs the Nanocore RAT, license = Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE, score = https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Source: 00000010.00000002.508601961.0000000000402000.00000040.00000001.sdmp, type: MEMORY	Matched rule: NanoCore date = 2014/04, filetype = exe, author = Kevin Breen <kevin@techanarchy.net>, maltype = Remote Access Trojan, ref = http://malwareconfig.com/stats/NanoCore
Source: 00000000.00000002.361495255.00000000037B5000.00000004.00000001.sdmp, type: MEMORY	Matched rule: Nanocore_RAT_Gen_2 date = 2016-04-22, hash1 = 755f49a4ffef5b1b62f4b5a5de279868c0c1766b528648febf76628f1fe39050, author = Florian Roth, description = Detetcs the Nanocore RAT, license = Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE, score = https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Source: 00000000.00000002.361495255.00000000037B5000.00000004.00000001.sdmp, type: MEMORY	Matched rule: NanoCore date = 2014/04, filetype = exe, author = Kevin Breen <kevin@techanarchy.net>, maltype = Remote Access Trojan, ref = http://malwareconfig.com/stats/NanoCore
Source: 00000010.00000002.517482154.0000000005870000.00000004.00020000.sdmp, type: MEMORY	Matched rule: Nanocore_RAT_Gen_2 date = 2016-04-22, hash1 = 755f49a4ffef5b1b62f4b5a5de279868c0c1766b528648febf76628f1fe39050, author = Florian Roth, description = Detetcs the Nanocore RAT, license = Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE, score = https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Source: 00000010.00000002.517482154.0000000005870000.00000004.00020000.sdmp, type: MEMORY	Matched rule: Nanocore_RAT_Feb18_1 date = 2018-02-19, hash1 = aa486173e9d594729dbb5626748ce10a75ee966481b68c1b4f6323c827d9658c, author = Florian Roth, description = Detects Nanocore RAT, reference = Internal Research - T2T, license = Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE
Source: 00000000.00000002.361849157.0000000003992000.00000004.00000001.sdmp, type: MEMORY	Matched rule: Nanocore_RAT_Gen_2 date = 2016-04-22, hash1 = 755f49a4ffef5b1b62f4b5a5de279868c0c1766b528648febf76628f1fe39050, author = Florian Roth, description = Detetcs the Nanocore RAT, license = Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE, score = https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Source: 00000000.00000002.361849157.0000000003992000.00000004.00000001.sdmp, type: MEMORY	Matched rule: NanoCore date = 2014/04, filetype = exe, author = Kevin Breen <kevin@techanarchy.net>, maltype = Remote Access Trojan, ref = http://malwareconfig.com/stats/NanoCore
Source: 00000010.00000002.516134110.0000000003F09000.00000004.00000001.sdmp, type: MEMORY	Matched rule: NanoCore date = 2014/04, filetype = exe, author = Kevin Breen <kevin@techanarchy.net>, maltype = Remote Access Trojan, ref = http://malwareconfig.com/stats/NanoCore
Source: Process Memory Space: PO-INV 21460041492040401.PDF.exe PID: 6016, type: MEMORYSTR	Matched rule: Nanocore_RAT_Gen_2 date = 2016-04-22, hash1 = 755f49a4ffef5b1b62f4b5a5de279868c0c1766b528648febf76628f1fe39050, author = Florian Roth, description = Detetcs the Nanocore RAT, license = Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE, score = https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Source: Process Memory Space: PO-INV 21460041492040401.PDF.exe PID: 6016, type: MEMORYSTR	Matched rule: NanoCore date = 2014/04, filetype = exe, author = Kevin Breen <kevin@techanarchy.net>, maltype = Remote Access Trojan, ref = http://malwareconfig.com/stats/NanoCore
Source: Process Memory Space: RegAsm.exe PID: 6304, type: MEMORYSTR	Matched rule: Nanocore_RAT_Gen_2 date = 2016-04-22, hash1 = 755f49a4ffef5b1b62f4b5a5de279868c0c1766b528648febf76628f1fe39050, author = Florian Roth, description = Detetcs the Nanocore RAT, license = Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE, score = https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Source: Process Memory Space: RegAsm.exe PID: 6304, type: MEMORYSTR	Matched rule: NanoCore date = 2014/04, filetype = exe, author = Kevin Breen <kevin@techanarchy.net>, maltype = Remote Access Trojan, ref = http://malwareconfig.com/stats/NanoCore

Detected potential crypto function

Source: C:\Users\user\Desktop\PO-INV 21460041492040401.PDF.exe	Code function: 0_2_00E076E5		0_2_00E076E5
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe	Code function: 16_2_00B53DFE		16_2_00B53DFE
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe	Code function: 16_2_02D0E480		16_2_02D0E480
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe	Code function: 16_2_02D0E471		16_2_02D0E471
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe	Code function: 16_2_02D0BBD4		16_2_02D0BBD4
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe	Code function: 21_2_008D3DFE		21_2_008D3DFE
Source: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe	Code function: 23_2_00423DFE		23_2_00423DFE
Source: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe	Code function: 27_2_00123DFE		27_2_00123DFE

Sample file is different than original file name gathered from version info

Source: PO-INV 21460041492040401.PDF.exe, 00000000.00000002.365230658.0000000006D20000.00000004.00020000.sdmp	Binary or memory string: OriginalFilenameRunPe6.dll" vs PO-INV 21460041492040401.PDF.exe
Source: PO-INV 21460041492040401.PDF.exe, 00000000.00000002.352842268.00000000009CB000.00000004.00000020.sdmp	Binary or memory string: OriginalFilenameclr.dllT vs PO-INV 21460041492040401.PDF.exe
Source: PO-INV 21460041492040401.PDF.exe, 00000000.00000002.352122070.00000000003FC000.00000002.00020000.sdmp	Binary or memory string: OriginalFilenameMyProject2.exe6 vs PO-INV 21460041492040401.PDF.exe
Source: PO-INV 21460041492040401.PDF.exe, 00000000.00000002.361495255.00000000037B5000.00000004.00000001.sdmp	Binary or memory string: OriginalFilenameSHCore1.dll0 vs PO-INV 21460041492040401.PDF.exe
Source: PO-INV 21460041492040401.PDF.exe, 00000000.00000002.362432506.0000000005DD6000.00000004.00000001.sdmp	Binary or memory string: OriginalFilenameRegAsm.exeT vs PO-INV 21460041492040401.PDF.exe
Source: PO-INV 21460041492040401.PDF.exe	Binary or memory string: OriginalFilenameMyProject2.exe6 vs PO-INV 21460041492040401.PDF.exe

Tries to load missing DLLs

Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe	Section loaded: sfc.dll			Jump to behavior
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe	Section loaded: sfc.dll			Jump to behavior

Sample is known by Antivirus

Source: PO-INV 21460041492040401.PDF.exe	Virustotal: Detection: 30%
Source: PO-INV 21460041492040401.PDF.exe	ReversingLabs: Detection: 20%

PE file has an executable .text section and no other executable section

Source: PO-INV 21460041492040401.PDF.exe

Static PE information: Section: .text IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_READ

Reads software policies

Source: C:\Users\user\Desktop\PO-INV 21460041492040401.PDF.exe

Key opened: HKEY_CURRENT_USER\Software\Policies\Microsoft\Windows\Safer\CodeIdentifiers

Jump to behavior

Spawns processes

Source: unknown	Process created: C:\Users\user\Desktop\PO-INV 21460041492040401.PDF.exe 'C:\Users\user\Desktop\PO-INV 21460041492040401.PDF.exe'
Source: C:\Users\user\Desktop\PO-INV 21460041492040401.PDF.exe	Process created: C:\Users\user\AppData\Local\Temp\RegAsm.exe C:\Users\user\AppData\Local\Temp\RegAsm.exe
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe	Process created: C:\Windows\SysWOW64\schtasks.exe 'schtasks.exe' /create /f /tn 'DHCP Monitor' /xml 'C:\Users\user\AppData\Local\Temp\tmpD621.tmp'
Source: C:\Windows\SysWOW64\schtasks.exe	Process created: C:\Windows\System32\conhost.exe C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe	Process created: C:\Windows\SysWOW64\schtasks.exe 'schtasks.exe' /create /f /tn 'DHCP Monitor Task' /xml 'C:\Users\user\AppData\Local\Temp\tmpDAD5.tmp'
Source: C:\Windows\SysWOW64\schtasks.exe	Process created: C:\Windows\System32\conhost.exe C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
Source: unknown	Process created: C:\Users\user\AppData\Local\Temp\RegAsm.exe C:\Users\user\AppData\Local\Temp\RegAsm.exe 0
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe	Process created: C:\Windows\System32\conhost.exe C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
Source: unknown	Process created: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe 'C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe' 0
Source: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe	Process created: C:\Windows\System32\conhost.exe C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
Source: unknown	Process created: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe 'C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe'
Source: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe	Process created: C:\Windows\System32\conhost.exe C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
Source: C:\Users\user\Desktop\PO-INV 21460041492040401.PDF.exe	Process created: C:\Users\user\AppData\Local\Temp\RegAsm.exe C:\Users\user\AppData\Local\Temp\RegAsm.exe			Jump to behavior
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe	Process created: C:\Windows\SysWOW64\schtasks.exe 'schtasks.exe' /create /f /tn 'DHCP Monitor' /xml 'C:\Users\user\AppData\Local\Temp\tmpD621.tmp'			Jump to behavior
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe	Process created: C:\Windows\SysWOW64\schtasks.exe 'schtasks.exe' /create /f /tn 'DHCP Monitor Task' /xml 'C:\Users\user\AppData\Local\Temp\tmpDAD5.tmp'			Jump to behavior

Uses an in-process (OLE) Automation server

Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe

Key value queried: HKEY_LOCAL_MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0A29FF9E-7F9C-4437-8B11-F424491E3931}\InprocServer32

Jump to behavior

Creates files inside the user directory

Source: C:\Users\user\Desktop\PO-INV 21460041492040401.PDF.exe

File created: C:\Users\user\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\PO-INV 21460041492040401.PDF.exe.log

Jump to behavior

Creates temporary files

Source: C:\Users\user\Desktop\PO-INV 21460041492040401.PDF.exe

File created: C:\Users\user\AppData\Local\Temp\RegAsm.exe

Jump to behavior

Classification label

Source: classification engine

Classification label: mal100.troj.evad.winEXE@15/12@1/2

Parts of this applications are using the .NET runtime (Probably coded in C#)

Source: C:\Users\user\Desktop\PO-INV 21460041492040401.PDF.exe	Section loaded: C:\Windows\assembly\NativeImages_v4.0.30319_32\mscorlib\a152fe02a317a77aeee36903305e8ba6\mscorlib.ni.dll			Jump to behavior
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe	Section loaded: C:\Windows\assembly\NativeImages_v4.0.30319_32\mscorlib\a152fe02a317a77aeee36903305e8ba6\mscorlib.ni.dll			Jump to behavior
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe	Section loaded: C:\Windows\assembly\NativeImages_v4.0.30319_32\mscorlib\a152fe02a317a77aeee36903305e8ba6\mscorlib.ni.dll			Jump to behavior
Source: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe	Section loaded: C:\Windows\assembly\NativeImages_v4.0.30319_32\mscorlib\a152fe02a317a77aeee36903305e8ba6\mscorlib.ni.dll			Jump to behavior
Source: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe	Section loaded: C:\Windows\assembly\NativeImages_v4.0.30319_32\mscorlib\a152fe02a317a77aeee36903305e8ba6\mscorlib.ni.dll			Jump to behavior

Creates mutexes

Source: C:\Windows\System32\conhost.exe	Mutant created: \Sessions\1\BaseNamedObjects\Local\SM0:6444:120:WilError_01
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe	Mutant created: \Sessions\1\BaseNamedObjects\Global\{4f6ffb6f-c01b-4232-a80a-431f4e63ed7c}
Source: C:\Windows\System32\conhost.exe	Mutant created: \Sessions\1\BaseNamedObjects\Local\SM0:6388:120:WilError_01
Source: C:\Windows\System32\conhost.exe	Mutant created: \Sessions\1\BaseNamedObjects\Local\SM0:7060:120:WilError_01
Source: C:\Windows\System32\conhost.exe	Mutant created: \Sessions\1\BaseNamedObjects\Local\SM0:6504:120:WilError_01
Source: C:\Windows\System32\conhost.exe	Mutant created: \Sessions\1\BaseNamedObjects\Local\SM0:6552:120:WilError_01

Creates files inside the program directory

Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe

File created: C:\Program Files (x86)\DHCP Monitor

Jump to behavior

Sample might require command line arguments

Source: PO-INV 21460041492040401.PDF.exe

String found in binary or memory: Show AccountsAAddAdminAccountToolStripMenuItem#Add Admin AccountIAddOrModifyCustomerToolStripMenuItem-Add Or Modify Customer5InventoryToolStripMenuItem

.NET source code contains calls to encryption/decryption functions

Source: 16.2.RegAsm.exe.400000.0.unpack, u0023u003dqjIje6jGWLd2EOkfZXKqBbgu003du003d.cs	Cryptographic APIs: 'TransformFinalBlock', 'CreateDecryptor'
Source: 16.2.RegAsm.exe.400000.0.unpack, u0023u003dqVxXNKnhAcArgJoGGYXiyyQu003du003d.cs	Cryptographic APIs: 'CreateDecryptor'
Source: 16.2.RegAsm.exe.400000.0.unpack, u0023u003dqVxXNKnhAcArgJoGGYXiyyQu003du003d.cs	Cryptographic APIs: 'TransformFinalBlock'

Reads the hosts file

Source: C:\Users\user\Desktop\PO-INV 21460041492040401.PDF.exe	File read: C:\Windows\System32\drivers\etc\hosts			Jump to behavior
Source: C:\Users\user\Desktop\PO-INV 21460041492040401.PDF.exe	File read: C:\Windows\System32\drivers\etc\hosts			Jump to behavior
Source: C:\Users\user\Desktop\PO-INV 21460041492040401.PDF.exe	File read: C:\Windows\System32\drivers\etc\hosts			Jump to behavior

Found graphical window changes (likely an installer)

Source: Window Recorder

Window detected: More than 3 window changes detected

Uses Microsoft Silverlight

Source: C:\Users\user\Desktop\PO-INV 21460041492040401.PDF.exe

File opened: C:\Windows\Microsoft.NET\Framework\v4.0.30319\mscorrc.dll

Jump to behavior

PE file contains a COM descriptor data directory

Source: PO-INV 21460041492040401.PDF.exe

Static PE information: data directory type: IMAGE_DIRECTORY_ENTRY_COM_DESCRIPTOR

Contains modern PE file flags such as dynamic base (ASLR) or NX

Source: PO-INV 21460041492040401.PDF.exe

Static PE information: NO_SEH, TERMINAL_SERVER_AWARE, DYNAMIC_BASE, NX_COMPAT, HIGH_ENTROPY_VA

Binary contains paths to debug symbols

Source:

Binary string: RegAsm.pdb source: dhcpmon.exe, RegAsm.exe.0.dr

Source:

Binary string: RegAsm.pdb4 source: PO-INV 21460041492040401.PDF.exe, 00000000.00000002.362432506.0000000005DD6000.00000004.00000001.sdmp, RegAsm.exe, 00000010.00000000.344213841.0000000000B52000.00000002.00020000.sdmp, RegAsm.exe, 00000015.00000002.367637445.00000000008D2000.00000002.00020000.sdmp, dhcpmon.exe, 00000017.00000002.368093939.0000000000422000.00000002.00020000.sdmp, dhcpmon.exe, 0000001B.00000002.385134850.0000000000122000.00000002.00020000.sdmp, RegAsm.exe.0.dr

Data Obfuscation:

.NET source code contains potential unpacker

Source: PO-INV 21460041492040401.PDF.exe, Tz90/t6B9.cs	.Net Code: Ri98 System.Reflection.Assembly System.AppDomain::Load(System.Byte[])
Source: 0.0.PO-INV 21460041492040401.PDF.exe.310000.0.unpack, Tz90/t6B9.cs	.Net Code: Ri98 System.Reflection.Assembly System.AppDomain::Load(System.Byte[])
Source: 16.2.RegAsm.exe.400000.0.unpack, u0023u003dqjIje6jGWLd2EOkfZXKqBbgu003du003d.cs	.Net Code: #=q_FL69pQf17BUSAFbWYu1SStMAbdu$R1GJ8VY8UL5_EA= System.Reflection.Assembly System.Reflection.Assembly::Load(System.Byte[])
Source: 16.2.RegAsm.exe.400000.0.unpack, u0023u003dqxoz66kOqvxr21iYXZYXWiumy9eZGwFWaiX4C5X8aecUu003d.cs	.Net Code: #=qKU0J1fiP8KA33eFK1owekQ== System.Reflection.Assembly System.Reflection.Assembly::Load(System.Byte[])

Uses code obfuscation techniques (call, push, ret)

Source: C:\Users\user\Desktop\PO-INV 21460041492040401.PDF.exe	Code function: 0_2_00312316 push esi; retf		0_2_00312317
Source: C:\Users\user\Desktop\PO-INV 21460041492040401.PDF.exe	Code function: 0_2_003122E2 push eax; iretd		0_2_003122E3
Source: C:\Users\user\Desktop\PO-INV 21460041492040401.PDF.exe	Code function: 0_2_003121DB push esp; iretd		0_2_003121EC
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe	Code function: 16_2_00B544A3 push es; retf		16_2_00B544A4
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe	Code function: 16_2_00B54469 push cs; retf		16_2_00B5449E
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe	Code function: 16_2_00B54289 push es; retf		16_2_00B54294
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe	Code function: 21_2_008D4289 push es; retf		21_2_008D4294
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe	Code function: 21_2_008D4469 push cs; retf		21_2_008D449E
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe	Code function: 21_2_008D44A3 push es; retf		21_2_008D44A4
Source: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe	Code function: 23_2_00424289 push es; retf		23_2_00424294
Source: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe	Code function: 23_2_004244A3 push es; retf		23_2_004244A4
Source: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe	Code function: 23_2_00424469 push cs; retf		23_2_0042449E
Source: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe	Code function: 27_2_00124289 push es; retf		27_2_00124294
Source: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe	Code function: 27_2_001244A3 push es; retf		27_2_001244A4
Source: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe	Code function: 27_2_00124469 push cs; retf		27_2_0012449E

.NET source code contains many randomly named methods

Source: PO-INV 21460041492040401.PDF.exe, d0KF/a3KH.cs	High entropy of concatenated method names: '.ctor', 'w3K0', 'Ge9b', 'Dn2o', 'Rd09', 'f5E8', 'q6B9', 'Nc6f', 'Ff54', 'Pd6o'
Source: 0.0.PO-INV 21460041492040401.PDF.exe.310000.0.unpack, d0KF/a3KH.cs	High entropy of concatenated method names: '.ctor', 'w3K0', 'Ge9b', 'Dn2o', 'Rd09', 'f5E8', 'q6B9', 'Nc6f', 'Ff54', 'Pd6o'
Source: 16.2.RegAsm.exe.400000.0.unpack, u0023u003dqJT4I5hOweIku0024xYFEeDszbikglXCuquUdu0024v9AXtyq2nsu003d.cs	High entropy of concatenated method names: '#=qBeOBlH6CwHFnQdZWWBgZ_pemudZ6CfCVcfOQtgpeG$Y=', '#=q5v5cLSMFBaxiTtOEjscx86gN2ozXlfytiL6UmXnyWtg=', '#=q_XA5h2lVGHLcY9dK754wKGrOjAm6aBbwPxcUJXgJThJUz83kMbCL53G5uuOLP6Rq', '#=qIFfr$DrKqIieRc688$vylAlBsEnx9Z3$TxvrDsPURfM=', '#=qejgvNXJQvgM2GomZsygLjreyguSPQ29pQHqjR_a0dWk=', '#=qCGokdf0OOxeMJLDkXSfc3NPmwygIQ29RjKQWj$wbNGB9C1pPgma_891QiNyTRXcA', '#=qDqyUVyJLXCtYqhZ0$opqkomqhUBn2WCeEEvGAXlNQ$I=', '#=qdImPAY1o3YhbLtukwCQ91cISaeIEWRKSYrGZ3dTVnkY=', '#=qza7O1AHrroJC7yRIJz4wINR_Sgo4hDpQrj_OYfIrlJE=', '#=q6Ct3QmvVLFC7my$dL1uEiHGmXJ5qCuK4WIhDwfhPTFs='
Source: 16.2.RegAsm.exe.400000.0.unpack, u0023u003dqWrm21vQ8CBMZP_RBTwpusAu003du003d.cs	High entropy of concatenated method names: '#=qCgU$tDqtOAyz2b$RwfSF7UzBcCAr0rFJWxm16x7Lre0=', '#=qeD3MBfedCIuKIQf9V1u2N3YS4VXE_FOHqw_XAjWtZK8=', '#=q$mvEHEBkZud$AdHPWqsMQnw5Xm5sD4vBSSmqrKuXGOk=', '#=qZaN94n8dM6tBEf$qCdY2kbTZb5BOW8Z134$2tNv7EJs=', '#=qtlZnL8mho$rv1eTFz0Mw9UYFC_yCabEZ0xtVePn6wR5aSHE7ti3UfKg2l7D0_xk8', '#=qVS$QmQjvFfsXSqQAKGSl6HGbkse2SG0XCab4upVjtRJkvhTEk$oIS2I9Zja7id1Q', '#=qxJg7RxTW1v5mnt12xXeJiYJv_bcctbtL2BCD5MjDi45Hlz6t8vwDNTv1Rv7tgIct', '#=qp$ZVC1r9spi890l$D7IwEd3faoKeWHvv42mVq8wIIWM=', '#=qCoWHlVuoVRMkOzC7RZubJCslkxaEWn9yZiIydECf69$ktj0IPD5wAwC2H5Cc8C$L', '#=qqs1moO$mYaS72OXOWe0Z6GycslEb6e9Ipoy7ppW0O5abIp05ajv8doqdJZHlN3cK'

Persistence and Installation Behavior:

Drops PE files

Source: C:\Users\user\Desktop\PO-INV 21460041492040401.PDF.exe	File created: C:\Users\user\AppData\Local\Temp\RegAsm.exe			Jump to dropped file
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe	File created: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe			Jump to dropped file

Boot Survival:

Uses schtasks.exe or at.exe to add and modify task schedules

Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe

Process created: C:\Windows\SysWOW64\schtasks.exe 'schtasks.exe' /create /f /tn 'DHCP Monitor' /xml 'C:\Users\user\AppData\Local\Temp\tmpD621.tmp'

Hooking and other Techniques for Hiding and Protection:

Hides that the sample has been downloaded from the Internet (zone.identifier)

Source: C:\Users\user\Desktop\PO-INV 21460041492040401.PDF.exe

File opened: C:\Users\user\Desktop\PO-INV 21460041492040401.PDF.exe\:Zone.Identifier read attributes | delete

Jump to behavior

Uses an obfuscated file name to hide its real file extension (double extension)

Source: Possible double extension: pdf.exe

Static PE information: PO-INV 21460041492040401.PDF.exe

Disables application error messsages (SetErrorMode)

Source: C:\Users\user\Desktop\PO-INV 21460041492040401.PDF.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\PO-INV 21460041492040401.PDF.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\PO-INV 21460041492040401.PDF.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\PO-INV 21460041492040401.PDF.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\PO-INV 21460041492040401.PDF.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\PO-INV 21460041492040401.PDF.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\PO-INV 21460041492040401.PDF.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\PO-INV 21460041492040401.PDF.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\PO-INV 21460041492040401.PDF.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\PO-INV 21460041492040401.PDF.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\PO-INV 21460041492040401.PDF.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\PO-INV 21460041492040401.PDF.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\PO-INV 21460041492040401.PDF.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\PO-INV 21460041492040401.PDF.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\PO-INV 21460041492040401.PDF.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\PO-INV 21460041492040401.PDF.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\PO-INV 21460041492040401.PDF.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\PO-INV 21460041492040401.PDF.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\PO-INV 21460041492040401.PDF.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\PO-INV 21460041492040401.PDF.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\PO-INV 21460041492040401.PDF.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\PO-INV 21460041492040401.PDF.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\PO-INV 21460041492040401.PDF.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\PO-INV 21460041492040401.PDF.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\PO-INV 21460041492040401.PDF.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\PO-INV 21460041492040401.PDF.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\PO-INV 21460041492040401.PDF.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\PO-INV 21460041492040401.PDF.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\PO-INV 21460041492040401.PDF.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\PO-INV 21460041492040401.PDF.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\PO-INV 21460041492040401.PDF.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\PO-INV 21460041492040401.PDF.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\PO-INV 21460041492040401.PDF.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\PO-INV 21460041492040401.PDF.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\PO-INV 21460041492040401.PDF.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\PO-INV 21460041492040401.PDF.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\PO-INV 21460041492040401.PDF.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\PO-INV 21460041492040401.PDF.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\PO-INV 21460041492040401.PDF.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\PO-INV 21460041492040401.PDF.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\PO-INV 21460041492040401.PDF.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\PO-INV 21460041492040401.PDF.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\PO-INV 21460041492040401.PDF.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\PO-INV 21460041492040401.PDF.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\PO-INV 21460041492040401.PDF.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\PO-INV 21460041492040401.PDF.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\PO-INV 21460041492040401.PDF.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\PO-INV 21460041492040401.PDF.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\PO-INV 21460041492040401.PDF.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\PO-INV 21460041492040401.PDF.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior

Malware Analysis System Evasion:

May sleep (evasive loops) to hinder dynamic analysis

Source: C:\Users\user\Desktop\PO-INV 21460041492040401.PDF.exe TID: 5628	Thread sleep time: -25825441703193356s >= -30000s			Jump to behavior
Source: C:\Users\user\Desktop\PO-INV 21460041492040401.PDF.exe TID: 5628	Thread sleep time: -30000s >= -30000s			Jump to behavior
Source: C:\Users\user\Desktop\PO-INV 21460041492040401.PDF.exe TID: 4860	Thread sleep count: 1041 > 30			Jump to behavior
Source: C:\Users\user\Desktop\PO-INV 21460041492040401.PDF.exe TID: 4860	Thread sleep count: 8794 > 30			Jump to behavior
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe TID: 6496	Thread sleep time: -14757395258967632s >= -30000s			Jump to behavior
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe TID: 6620	Thread sleep time: -922337203685477s >= -30000s			Jump to behavior
Source: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe TID: 6640	Thread sleep time: -922337203685477s >= -30000s			Jump to behavior
Source: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe TID: 7148	Thread sleep time: -922337203685477s >= -30000s			Jump to behavior

Sample execution stops while process was sleeping (likely an evasion)

Source: C:\Windows\System32\conhost.exe	Last function: Thread delayed
Source: C:\Windows\System32\conhost.exe	Last function: Thread delayed
Source: C:\Windows\System32\conhost.exe	Last function: Thread delayed

Contains long sleeps (>= 3 min)

Source: C:\Users\user\Desktop\PO-INV 21460041492040401.PDF.exe	Thread delayed: delay time: 922337203685477			Jump to behavior
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe	Thread delayed: delay time: 922337203685477			Jump to behavior
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe	Thread delayed: delay time: 922337203685477			Jump to behavior
Source: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe	Thread delayed: delay time: 922337203685477			Jump to behavior
Source: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe	Thread delayed: delay time: 922337203685477			Jump to behavior

Found a high number of Window / User specific system calls (may be a loop to detect user behavior)

Source: C:\Users\user\Desktop\PO-INV 21460041492040401.PDF.exe	Window / User API: threadDelayed 1041			Jump to behavior
Source: C:\Users\user\Desktop\PO-INV 21460041492040401.PDF.exe	Window / User API: threadDelayed 8794			Jump to behavior
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe	Window / User API: threadDelayed 1917			Jump to behavior
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe	Window / User API: threadDelayed 7602			Jump to behavior
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe	Window / User API: foregroundWindowGot 498			Jump to behavior

Queries a list of all running processes

Source: C:\Users\user\Desktop\PO-INV 21460041492040401.PDF.exe

Process information queried: ProcessInformation

Jump to behavior

Contains medium sleeps (>= 30s)

Source: C:\Users\user\Desktop\PO-INV 21460041492040401.PDF.exe	Thread delayed: delay time: 922337203685477			Jump to behavior
Source: C:\Users\user\Desktop\PO-INV 21460041492040401.PDF.exe	Thread delayed: delay time: 30000			Jump to behavior
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe	Thread delayed: delay time: 922337203685477			Jump to behavior
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe	Thread delayed: delay time: 922337203685477			Jump to behavior
Source: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe	Thread delayed: delay time: 922337203685477			Jump to behavior
Source: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe	Thread delayed: delay time: 922337203685477			Jump to behavior

May try to detect the virtual machine to hinder analysis (VM artifact strings found in memory)

Source: PO-INV 21460041492040401.PDF.exe, 00000000.00000002.352886706.00000000009FE000.00000004.00000020.sdmp

Binary or memory string: Hyper-V RAW%SystemRoot%\system32\mswsock.dllT

Anti Debugging:

Enables debug privileges

Source: C:\Users\user\Desktop\PO-INV 21460041492040401.PDF.exe	Process token adjusted: Debug			Jump to behavior
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe	Process token adjusted: Debug			Jump to behavior

Creates guard pages, often used to prevent reverse engineering and debugging

Source: C:\Users\user\Desktop\PO-INV 21460041492040401.PDF.exe

Memory allocated: page read and write | page guard

Jump to behavior

HIPS / PFW / Operating System Protection Evasion:

Writes to foreign memory regions

Source: C:\Users\user\Desktop\PO-INV 21460041492040401.PDF.exe	Memory written: C:\Users\user\AppData\Local\Temp\RegAsm.exe base: 400000			Jump to behavior
Source: C:\Users\user\Desktop\PO-INV 21460041492040401.PDF.exe	Memory written: C:\Users\user\AppData\Local\Temp\RegAsm.exe base: 402000			Jump to behavior
Source: C:\Users\user\Desktop\PO-INV 21460041492040401.PDF.exe	Memory written: C:\Users\user\AppData\Local\Temp\RegAsm.exe base: 420000			Jump to behavior
Source: C:\Users\user\Desktop\PO-INV 21460041492040401.PDF.exe	Memory written: C:\Users\user\AppData\Local\Temp\RegAsm.exe base: 422000			Jump to behavior
Source: C:\Users\user\Desktop\PO-INV 21460041492040401.PDF.exe	Memory written: C:\Users\user\AppData\Local\Temp\RegAsm.exe base: D53008			Jump to behavior

Allocates memory in foreign processes

Source: C:\Users\user\Desktop\PO-INV 21460041492040401.PDF.exe

Memory allocated: C:\Users\user\AppData\Local\Temp\RegAsm.exe base: 400000 protect: page execute and read and write

Jump to behavior

Injects a PE file into a foreign processes

Source: C:\Users\user\Desktop\PO-INV 21460041492040401.PDF.exe

Memory written: C:\Users\user\AppData\Local\Temp\RegAsm.exe base: 400000 value starts with: 4D5A

Jump to behavior

Creates a process in suspended mode (likely to inject code)

Source: C:\Users\user\Desktop\PO-INV 21460041492040401.PDF.exe	Process created: C:\Users\user\AppData\Local\Temp\RegAsm.exe C:\Users\user\AppData\Local\Temp\RegAsm.exe			Jump to behavior
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe	Process created: C:\Windows\SysWOW64\schtasks.exe 'schtasks.exe' /create /f /tn 'DHCP Monitor' /xml 'C:\Users\user\AppData\Local\Temp\tmpD621.tmp'			Jump to behavior
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe	Process created: C:\Windows\SysWOW64\schtasks.exe 'schtasks.exe' /create /f /tn 'DHCP Monitor Task' /xml 'C:\Users\user\AppData\Local\Temp\tmpDAD5.tmp'			Jump to behavior

May try to detect the Windows Explorer process (often used for injection)

Source: RegAsm.exe, 00000010.00000002.517627892.00000000063CD000.00000004.00000001.sdmp	Binary or memory string: Program Manager
Source: RegAsm.exe, 00000010.00000002.511935247.0000000001740000.00000002.00020000.sdmp	Binary or memory string: Shell_TrayWnd
Source: RegAsm.exe, 00000010.00000002.511935247.0000000001740000.00000002.00020000.sdmp	Binary or memory string: Progman
Source: RegAsm.exe, 00000010.00000002.511935247.0000000001740000.00000002.00020000.sdmp	Binary or memory string: SProgram Managerl
Source: RegAsm.exe, 00000010.00000002.513958132.0000000003013000.00000004.00000001.sdmp	Binary or memory string: Program ManagerxE
Source: RegAsm.exe, 00000010.00000002.511935247.0000000001740000.00000002.00020000.sdmp	Binary or memory string: Shell_TrayWnd,
Source: RegAsm.exe, 00000010.00000002.511935247.0000000001740000.00000002.00020000.sdmp	Binary or memory string: Progmanlock
Source: RegAsm.exe, 00000010.00000002.516035516.00000000033BE000.00000004.00000001.sdmp	Binary or memory string: Program Manager|0Q

Language, Device and Operating System Detection:

Queries the volume information (name, serial number etc) of a device

Source: C:\Users\user\Desktop\PO-INV 21460041492040401.PDF.exe	Queries volume information: C:\Users\user\Desktop\PO-INV 21460041492040401.PDF.exe VolumeInformation			Jump to behavior
Source: C:\Users\user\Desktop\PO-INV 21460041492040401.PDF.exe	Queries volume information: C:\Windows\Microsoft.NET\assembly\GAC_MSIL\System.Windows.Forms\v4.0_4.0.0.0__b77a5c561934e089\System.Windows.Forms.dll VolumeInformation			Jump to behavior
Source: C:\Users\user\Desktop\PO-INV 21460041492040401.PDF.exe	Queries volume information: C:\Windows\Microsoft.NET\assembly\GAC_MSIL\System.Drawing\v4.0_4.0.0.0__b03f5f7f11d50a3a\System.Drawing.dll VolumeInformation			Jump to behavior
Source: C:\Users\user\Desktop\PO-INV 21460041492040401.PDF.exe	Queries volume information: C:\Windows\Microsoft.NET\assembly\GAC_MSIL\Microsoft.VisualBasic\v4.0_10.0.0.0__b03f5f7f11d50a3a\Microsoft.VisualBasic.dll VolumeInformation			Jump to behavior
Source: C:\Users\user\Desktop\PO-INV 21460041492040401.PDF.exe	Queries volume information: C:\Windows\Microsoft.NET\assembly\GAC_MSIL\System.Management\v4.0_4.0.0.0__b03f5f7f11d50a3a\System.Management.dll VolumeInformation			Jump to behavior
Source: C:\Users\user\Desktop\PO-INV 21460041492040401.PDF.exe	Queries volume information: C:\Windows\Microsoft.NET\assembly\GAC_MSIL\System.ServiceProcess\v4.0_4.0.0.0__b03f5f7f11d50a3a\System.ServiceProcess.dll VolumeInformation			Jump to behavior
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe	Queries volume information: C:\Users\user\AppData\Local\Temp\RegAsm.exe VolumeInformation			Jump to behavior
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe	Queries volume information: C:\Windows\Microsoft.NET\assembly\GAC_MSIL\System.Windows.Forms\v4.0_4.0.0.0__b77a5c561934e089\System.Windows.Forms.dll VolumeInformation			Jump to behavior
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe	Queries volume information: C:\Windows\Microsoft.NET\assembly\GAC_MSIL\System.Drawing\v4.0_4.0.0.0__b03f5f7f11d50a3a\System.Drawing.dll VolumeInformation			Jump to behavior
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe	Queries volume information: C:\Windows\Microsoft.NET\assembly\GAC_MSIL\Microsoft.VisualBasic\v4.0_10.0.0.0__b03f5f7f11d50a3a\Microsoft.VisualBasic.dll VolumeInformation			Jump to behavior
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe	Queries volume information: C:\Windows\Microsoft.NET\assembly\GAC_MSIL\Accessibility\v4.0_4.0.0.0__b03f5f7f11d50a3a\Accessibility.dll VolumeInformation			Jump to behavior
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe	Queries volume information: C:\Users\user\AppData\Local\Temp\RegAsm.exe VolumeInformation			Jump to behavior
Source: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe	Queries volume information: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe VolumeInformation			Jump to behavior
Source: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe	Queries volume information: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe VolumeInformation			Jump to behavior

Queries the cryptographic machine GUID

Source: C:\Users\user\Desktop\PO-INV 21460041492040401.PDF.exe

Key value queried: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Cryptography MachineGuid

Jump to behavior

Stealing of Sensitive Information:

Yara detected Nanocore RAT

Source: Yara match	File source: 0.2.PO-INV 21460041492040401.PDF.exe.392cce2.4.raw.unpack, type: UNPACKEDPE
Source: Yara match	File source: 0.2.PO-INV 21460041492040401.PDF.exe.39c5320.7.unpack, type: UNPACKEDPE
Source: Yara match	File source: 16.2.RegAsm.exe.3f5053c.5.raw.unpack, type: UNPACKEDPE
Source: Yara match	File source: 0.2.PO-INV 21460041492040401.PDF.exe.38c7332.3.unpack, type: UNPACKEDPE
Source: Yara match	File source: 0.2.PO-INV 21460041492040401.PDF.exe.38fa012.5.unpack, type: UNPACKEDPE
Source: Yara match	File source: 16.2.RegAsm.exe.5870000.9.raw.unpack, type: UNPACKEDPE
Source: Yara match	File source: 16.2.RegAsm.exe.5874629.8.raw.unpack, type: UNPACKEDPE
Source: Yara match	File source: 16.2.RegAsm.exe.3f5053c.5.unpack, type: UNPACKEDPE
Source: Yara match	File source: 0.2.PO-INV 21460041492040401.PDF.exe.38fa012.5.raw.unpack, type: UNPACKEDPE
Source: Yara match	File source: 16.2.RegAsm.exe.3f54b65.4.raw.unpack, type: UNPACKEDPE
Source: Yara match	File source: 16.2.RegAsm.exe.5870000.9.unpack, type: UNPACKEDPE
Source: Yara match	File source: 0.2.PO-INV 21460041492040401.PDF.exe.37b9510.2.raw.unpack, type: UNPACKEDPE
Source: Yara match	File source: 0.2.PO-INV 21460041492040401.PDF.exe.3992662.6.unpack, type: UNPACKEDPE
Source: Yara match	File source: 16.2.RegAsm.exe.400000.0.unpack, type: UNPACKEDPE
Source: Yara match	File source: 0.2.PO-INV 21460041492040401.PDF.exe.392cce2.4.unpack, type: UNPACKEDPE
Source: Yara match	File source: 16.2.RegAsm.exe.3f4b706.3.raw.unpack, type: UNPACKEDPE
Source: Yara match	File source: 0.2.PO-INV 21460041492040401.PDF.exe.39c5320.7.raw.unpack, type: UNPACKEDPE
Source: Yara match	File source: 0.2.PO-INV 21460041492040401.PDF.exe.38c7332.3.raw.unpack, type: UNPACKEDPE
Source: Yara match	File source: 0.2.PO-INV 21460041492040401.PDF.exe.3992662.6.raw.unpack, type: UNPACKEDPE
Source: Yara match	File source: 00000000.00000002.361666966.0000000003894000.00000004.00000001.sdmp, type: MEMORY
Source: Yara match	File source: 00000010.00000002.512833462.0000000002F01000.00000004.00000001.sdmp, type: MEMORY
Source: Yara match	File source: 00000010.00000002.508601961.0000000000402000.00000040.00000001.sdmp, type: MEMORY
Source: Yara match	File source: 00000000.00000002.361495255.00000000037B5000.00000004.00000001.sdmp, type: MEMORY
Source: Yara match	File source: 00000010.00000002.517482154.0000000005870000.00000004.00020000.sdmp, type: MEMORY
Source: Yara match	File source: 00000000.00000002.361849157.0000000003992000.00000004.00000001.sdmp, type: MEMORY
Source: Yara match	File source: 00000010.00000002.516134110.0000000003F09000.00000004.00000001.sdmp, type: MEMORY
Source: Yara match	File source: Process Memory Space: PO-INV 21460041492040401.PDF.exe PID: 6016, type: MEMORYSTR
Source: Yara match	File source: Process Memory Space: RegAsm.exe PID: 6304, type: MEMORYSTR

Remote Access Functionality:

Detected Nanocore Rat

Source: PO-INV 21460041492040401.PDF.exe, 00000000.00000002.361666966.0000000003894000.00000004.00000001.sdmp	String found in binary or memory: NanoCore.ClientPluginHost
Source: RegAsm.exe, 00000010.00000002.512833462.0000000002F01000.00000004.00000001.sdmp	String found in binary or memory: NanoCore.ClientPluginHost
Source: RegAsm.exe, 00000010.00000002.512833462.0000000002F01000.00000004.00000001.sdmp	String found in binary or memory: <Module>mscorlibMicrosoft.VisualBasicMyApplicationNanoCore.MyMyComputerMyProjectMyWebServicesThreadSafeObjectProvider`1IClientNetworkNanoCore.ClientPluginIClientDataIClientAppIClientDataHostNanoCore.ClientPluginHostIClientNetworkHostIClientUIHostIClientLoggingHostIClientAppHostIClientNameObjectCollectionNanoCoreIClientReadOnlyNameObjectCollectionClientInvokeDelegateMicrosoft.VisualBasic.ApplicationServicesApplicationBase.ctorMicrosoft.VisualBasic.DevicesComputerSystemObject.cctorget_Computerm_ComputerObjectProviderget_Applicationm_AppObjectProviderUserget_Userm_UserObjectProviderget_WebServicesm_MyWebServicesObjectProviderApplicationWebServicesEqualsoGetHashCodeTypeGetTypeToStringCreate__Instance__TinstanceDispose__Instance__get_GetInstanceMicrosoft.VisualBasic.MyServices.InternalContextValue`1m_ContextGetInstanceReadPacketpipeNameparamsPipeCreatedPipeClosedConnectionStateChangedconnectedConnectionFailedhostportBuildingHostCacheVariableChangednameClientSettingChangedPluginUninstallingClientUninstallingget_Variablesget_ClientSettingsget_BuilderSettingsVariablesClientSettingsBuilderSettingsget_ConnectedClosePipePipeExistsRebuildHostCacheAddHostEntryDisconnectSendToServercompressConnectedInvokemethodstateLogClientMessagemessageExceptionLogClientExceptionexsiteRestartShutdownDisableProtectionRestoreProtectionUninstallEntryExistsSystem.Collections.GenericKeyValuePair`2GetEntriesGetValuedefaultValueSetValuevalueRemoveValueMulticastDelegateTargetObjectTargetMethodIAsyncResultAsyncCallbackBeginInvokeDelegateCallbackDelegateAsyncStateEndInvokeDelegateAsyncResultSystem.ComponentModelEditorBrowsableAttributeEditorBrowsableStateSystem.CodeDom.CompilerGeneratedCodeAttributeSystem.DiagnosticsDebuggerHiddenAttributeMicrosoft.VisualBasic.CompilerServicesStandardModuleAttributeHideModuleNameAttributeSystem.ComponentModel.DesignHelpKeywordAttributeSystem.Runtime.CompilerServicesRuntimeHelpersGetObjectValueRuntimeTypeHandleGetTypeFromHandleActivatorCreateInstanceMyGroupCollectionAttributeget_Valueset_ValueSystem.Runtime.InteropServicesComVisibleAttributeParamArrayAttributeCompilationRelaxationsAttributeRuntimeCompatibilityAttributeSystem.ReflectionAssemblyFileVersionAttributeGuidAttributeAssemblyTrademarkAttributeAssemblyCopyrightAttributeAssemblyProductAttributeAssemblyCompanyAttributeAssemblyDescriptionAttributeAssemblyTitleAttributeClientPluginClientPlugin.dll

Yara detected Nanocore RAT

Source: Yara match	File source: 0.2.PO-INV 21460041492040401.PDF.exe.392cce2.4.raw.unpack, type: UNPACKEDPE
Source: Yara match	File source: 0.2.PO-INV 21460041492040401.PDF.exe.39c5320.7.unpack, type: UNPACKEDPE
Source: Yara match	File source: 16.2.RegAsm.exe.3f5053c.5.raw.unpack, type: UNPACKEDPE
Source: Yara match	File source: 0.2.PO-INV 21460041492040401.PDF.exe.38c7332.3.unpack, type: UNPACKEDPE
Source: Yara match	File source: 0.2.PO-INV 21460041492040401.PDF.exe.38fa012.5.unpack, type: UNPACKEDPE
Source: Yara match	File source: 16.2.RegAsm.exe.5870000.9.raw.unpack, type: UNPACKEDPE
Source: Yara match	File source: 16.2.RegAsm.exe.5874629.8.raw.unpack, type: UNPACKEDPE
Source: Yara match	File source: 16.2.RegAsm.exe.3f5053c.5.unpack, type: UNPACKEDPE
Source: Yara match	File source: 0.2.PO-INV 21460041492040401.PDF.exe.38fa012.5.raw.unpack, type: UNPACKEDPE
Source: Yara match	File source: 16.2.RegAsm.exe.3f54b65.4.raw.unpack, type: UNPACKEDPE
Source: Yara match	File source: 16.2.RegAsm.exe.5870000.9.unpack, type: UNPACKEDPE
Source: Yara match	File source: 0.2.PO-INV 21460041492040401.PDF.exe.37b9510.2.raw.unpack, type: UNPACKEDPE
Source: Yara match	File source: 0.2.PO-INV 21460041492040401.PDF.exe.3992662.6.unpack, type: UNPACKEDPE
Source: Yara match	File source: 16.2.RegAsm.exe.400000.0.unpack, type: UNPACKEDPE
Source: Yara match	File source: 0.2.PO-INV 21460041492040401.PDF.exe.392cce2.4.unpack, type: UNPACKEDPE
Source: Yara match	File source: 16.2.RegAsm.exe.3f4b706.3.raw.unpack, type: UNPACKEDPE
Source: Yara match	File source: 0.2.PO-INV 21460041492040401.PDF.exe.39c5320.7.raw.unpack, type: UNPACKEDPE
Source: Yara match	File source: 0.2.PO-INV 21460041492040401.PDF.exe.38c7332.3.raw.unpack, type: UNPACKEDPE
Source: Yara match	File source: 0.2.PO-INV 21460041492040401.PDF.exe.3992662.6.raw.unpack, type: UNPACKEDPE
Source: Yara match	File source: 00000000.00000002.361666966.0000000003894000.00000004.00000001.sdmp, type: MEMORY
Source: Yara match	File source: 00000010.00000002.512833462.0000000002F01000.00000004.00000001.sdmp, type: MEMORY
Source: Yara match	File source: 00000010.00000002.508601961.0000000000402000.00000040.00000001.sdmp, type: MEMORY
Source: Yara match	File source: 00000000.00000002.361495255.00000000037B5000.00000004.00000001.sdmp, type: MEMORY
Source: Yara match	File source: 00000010.00000002.517482154.0000000005870000.00000004.00020000.sdmp, type: MEMORY
Source: Yara match	File source: 00000000.00000002.361849157.0000000003992000.00000004.00000001.sdmp, type: MEMORY
Source: Yara match	File source: 00000010.00000002.516134110.0000000003F09000.00000004.00000001.sdmp, type: MEMORY
Source: Yara match	File source: Process Memory Space: PO-INV 21460041492040401.PDF.exe PID: 6016, type: MEMORYSTR
Source: Yara match	File source: Process Memory Space: RegAsm.exe PID: 6304, type: MEMORYSTR