Windows Analysis Report wmaJOYGy7Q

AV Detection:

Found malware configuration

Source: 00000005.00000002.486898144.00000000039B9000.00000004.00000001.sdmp

Malware Configuration Extractor: NanoCore {"Version": "1.2.2.0", "Mutex": "18773cd6-e296-4327-b004-0088e2e8", "Group": "WEALTH", "Domain1": "185.140.53.154", "Domain2": "wealthybillionaire.ddns.net", "Port": 5540, "KeyboardLogging": "Enable", "RunOnStartup": "Disable", "RequestElevation": "Disable", "BypassUAC": "Enable", "ClearZoneIdentifier": "Enable", "ClearAccessControl": "Disable", "SetCriticalProcess": "Disable", "PreventSystemSleep": "Enable", "ActivateAwayMode": "Disable", "EnableDebugMode": "Disable", "RunDelay": 0, "ConnectDelay": 4000, "RestartDelay": 5000, "TimeoutInterval": 5000, "KeepAliveTimeout": 30000, "MutexTimeout": 5000, "LanTimeout": 2500, "WanTimeout": 8000, "BufferSize": "ffff0000", "MaxPacketSize": "0000a000", "GCThreshold": "0000a000", "UseCustomDNS": "Enable", "PrimaryDNSServer": "8.8.8.8", "BackupDNSServer": "8.8.4.4", "BypassUserAccountControlData": "<?xml version=\"1.0\" encoding=\"UTF-16\"?>\r\n<Task version=\"1.2\" xmlns=\"http://schemas.microsoft.com/windows/2004/02/mit/task\">\r\n <RegistrationInfo />\r\n <Triggers />\r\n <Principals>\r\n <Principal id=\"Author\">\r\n <LogonType>InteractiveToken</LogonType>\r\n <RunLevel>HighestAvailable</RunLevel>\r\n </Principal>\r\n </Principals>\r\n <Settings>\r\n <MultipleInstancesPolicy>Parallel</MultipleInstancesPolicy>\r\n <DisallowStartIfOnBatteries>false</DisallowStartIfOnBatteries>\r\n <StopIfGoingOnBatteries>false</StopIfGoingOnBatteries>\r\n <AllowHardTerminate>true</AllowHardTerminate>\r\n <StartWhenAvailable>false</StartWhenAvailable>\r\n <RunOnlyIfNetworkAvailable>false</RunOnlyIfNetworkAvailable>\r\n <IdleSettings>\r\n <StopOnIdleEnd>false</StopOnIdleEnd>\r\n <RestartOnIdle>false</RestartOnIdle>\r\n </IdleSettings>\r\n <AllowStartOnDemand>true</AllowStartOnDemand>\r\n <Enabled>true</Enabled>\r\n <Hidden>false</Hidden>\r\n <RunOnlyIfIdle>false</RunOnlyIfIdle>\r\n <WakeToRun>false</WakeToRun>\r\n <ExecutionTimeLimit>PT0S</ExecutionTimeLimit>\r\n <Priority>4</Priority>\r\n </Settings>\r\n <Actions Context=\"Author\">\r\n <Exec>\r\n <Command>\"#EXECUTABLEPATH\"</Command>\r\n <Arguments>$(Arg0)</Arguments>\r\n </Exec>\r\n </Actions>\r\n</Task"}

Multi AV Scanner detection for submitted file

Source: wmaJOYGy7Q.exe	Virustotal: Detection: 30%			Perma Link
Source: wmaJOYGy7Q.exe	ReversingLabs: Detection: 22%

Yara detected Nanocore RAT

Source: Yara match	File source: 00000005.00000002.481468397.0000000000402000.00000040.00000001.sdmp, type: MEMORY
Source: Yara match	File source: 00000001.00000002.263955446.0000000003658000.00000004.00000001.sdmp, type: MEMORY
Source: Yara match	File source: 00000001.00000002.263784829.0000000003538000.00000004.00000001.sdmp, type: MEMORY
Source: Yara match	File source: 00000005.00000002.490199362.0000000005250000.00000004.00000001.sdmp, type: MEMORY
Source: Yara match	File source: 00000005.00000002.486898144.00000000039B9000.00000004.00000001.sdmp, type: MEMORY
Source: Yara match	File source: 00000001.00000002.264154236.0000000003756000.00000004.00000001.sdmp, type: MEMORY
Source: Yara match	File source: 00000005.00000002.484995497.0000000002971000.00000004.00000001.sdmp, type: MEMORY
Source: Yara match	File source: Process Memory Space: RegAsm.exe PID: 4764, type: MEMORY
Source: Yara match	File source: Process Memory Space: wmaJOYGy7Q.exe PID: 5344, type: MEMORY
Source: Yara match	File source: 5.2.RegAsm.exe.39c063c.5.raw.unpack, type: UNPACKEDPE
Source: Yara match	File source: 5.2.RegAsm.exe.5250000.8.raw.unpack, type: UNPACKEDPE
Source: Yara match	File source: 5.2.RegAsm.exe.39bb806.4.raw.unpack, type: UNPACKEDPE
Source: Yara match	File source: 1.2.wmaJOYGy7Q.exe.3756622.7.unpack, type: UNPACKEDPE
Source: Yara match	File source: 1.2.wmaJOYGy7Q.exe.37892e0.6.unpack, type: UNPACKEDPE
Source: Yara match	File source: 5.2.RegAsm.exe.400000.0.unpack, type: UNPACKEDPE
Source: Yara match	File source: 5.2.RegAsm.exe.39c4c65.3.raw.unpack, type: UNPACKEDPE
Source: Yara match	File source: 1.2.wmaJOYGy7Q.exe.368b2f2.3.unpack, type: UNPACKEDPE
Source: Yara match	File source: 1.2.wmaJOYGy7Q.exe.36f0ca2.5.unpack, type: UNPACKEDPE
Source: Yara match	File source: 1.2.wmaJOYGy7Q.exe.36f0ca2.5.raw.unpack, type: UNPACKEDPE
Source: Yara match	File source: 1.2.wmaJOYGy7Q.exe.37892e0.6.raw.unpack, type: UNPACKEDPE
Source: Yara match	File source: 5.2.RegAsm.exe.39c063c.5.unpack, type: UNPACKEDPE
Source: Yara match	File source: 1.2.wmaJOYGy7Q.exe.3539510.2.raw.unpack, type: UNPACKEDPE
Source: Yara match	File source: 5.2.RegAsm.exe.5250000.8.unpack, type: UNPACKEDPE
Source: Yara match	File source: 1.2.wmaJOYGy7Q.exe.368b2f2.3.raw.unpack, type: UNPACKEDPE
Source: Yara match	File source: 5.2.RegAsm.exe.5254629.9.raw.unpack, type: UNPACKEDPE
Source: Yara match	File source: 1.2.wmaJOYGy7Q.exe.36bdfd2.4.unpack, type: UNPACKEDPE
Source: Yara match	File source: 1.2.wmaJOYGy7Q.exe.36bdfd2.4.raw.unpack, type: UNPACKEDPE
Source: Yara match	File source: 1.2.wmaJOYGy7Q.exe.3756622.7.raw.unpack, type: UNPACKEDPE

Machine Learning detection for sample

Source: wmaJOYGy7Q.exe

Joe Sandbox ML: detected

Antivirus or Machine Learning detection for unpacked file

Source: 5.2.RegAsm.exe.5250000.8.unpack	Avira: Label: TR/NanoCore.fadte
Source: 5.2.RegAsm.exe.400000.0.unpack	Avira: Label: TR/Dropper.MSIL.Gen7

Compliance:

Uses 32bit PE files

Source: wmaJOYGy7Q.exe

Static PE information: 32BIT_MACHINE, EXECUTABLE_IMAGE

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

Source: wmaJOYGy7Q.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: RegAsm.exe, RegAsm.exe.1.dr
Source:	Binary string: RegAsm.pdb4 source: wmaJOYGy7Q.exe, 00000001.00000003.245266726.000000000659F000.00000004.00000001.sdmp, RegAsm.exe, 00000005.00000002.481832170.00000000007A2000.00000002.00020000.sdmp, RegAsm.exe, 0000000A.00000000.265143944.00000000000D2000.00000002.00020000.sdmp, RegAsm.exe.1.dr

Software Vulnerabilities:

Found inlined nop instructions (likely shell or obfuscated code)

Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe	Code function: 4x nop then jmp 06252038h		1_2_062517C0
Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe	Code function: 4x nop then xor edx, edx		1_2_06257260
Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe	Code function: 4x nop then push dword ptr [ebp-24h]		1_2_06257328
Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe	Code function: 4x nop then mov dword ptr [ebp-1Ch], 7FFFFFFFh		1_2_06257328
Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe	Code function: 4x nop then mov dword ptr [ebp-1Ch], 00000000h		1_2_06256808
Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe	Code function: 4x nop then mov dword ptr [ebp-1Ch], 00000000h		1_2_06257908
Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe	Code function: 4x nop then jmp 06252038h		1_2_062517B0
Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe	Code function: 4x nop then mov dword ptr [ebp-1Ch], 00000000h		1_2_062595BD
Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe	Code function: 4x nop then xor edx, edx		1_2_06257257
Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe	Code function: 4x nop then xor edx, edx		1_2_0625725F
Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe	Code function: 4x nop then push dword ptr [ebp-24h]		1_2_0625731F
Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe	Code function: 4x nop then mov dword ptr [ebp-1Ch], 7FFFFFFFh		1_2_0625731F
Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe	Code function: 4x nop then push dword ptr [ebp-20h]		1_2_06257008
Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe	Code function: 4x nop then mov dword ptr [ebp-1Ch], 7FFFFFFFh		1_2_06257008
Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe	Code function: 4x nop then push dword ptr [ebp-20h]		1_2_06256FFC
Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe	Code function: 4x nop then mov dword ptr [ebp-1Ch], 7FFFFFFFh		1_2_06256FFC

Networking:

Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)

Source: Traffic	Snort IDS: 2025019 ET TROJAN Possible NanoCore C2 60B 192.168.2.3:49741 -> 185.140.53.154:5540
Source: Traffic	Snort IDS: 2025019 ET TROJAN Possible NanoCore C2 60B 192.168.2.3:49746 -> 185.140.53.154:5540

C2 URLs / IPs found in malware configuration

Source: Malware configuration extractor	URLs: 185.140.53.154
Source: Malware configuration extractor	URLs: wealthybillionaire.ddns.net

Uses dynamic DNS services

Source: unknown

DNS query: name: wealthybillionaire.ddns.net

Detected TCP or UDP traffic on non-standard ports

Source: global traffic

TCP traffic: 192.168.2.3:49741 -> 185.140.53.154:5540

IP address seen in connection with other malware

Source: Joe Sandbox View

IP Address: 185.140.53.154 185.140.53.154

Internet Provider seen in connection with other malware

Source: Joe Sandbox View

ASN Name: DAVID_CRAIGGG DAVID_CRAIGGG

Performs DNS lookups

Source: unknown

DNS traffic detected: queries for: wealthybillionaire.ddns.net

URLs found in memory or binary data

Source: wmaJOYGy7Q.exe, 00000001.00000002.256892969.0000000000A3D000.00000004.00000020.sdmp	String found in binary or memory: http://crl.pki.goog/gsr1/gsr1.crl0;
Source: wmaJOYGy7Q.exe, 00000001.00000002.256892969.0000000000A3D000.00000004.00000020.sdmp	String found in binary or memory: http://crl.pki.goog/gtsr1/gtsr1.crl0W
Source: wmaJOYGy7Q.exe, 00000001.00000002.256892969.0000000000A3D000.00000004.00000020.sdmp	String found in binary or memory: http://crl3.digicert.com/Omniroot2025.crl0
Source: wmaJOYGy7Q.exe, 00000001.00000002.256892969.0000000000A3D000.00000004.00000020.sdmp	String found in binary or memory: http://crls.pki.goog/gts1c3/zdATt0Ex_Fk.crl0
Source: wmaJOYGy7Q.exe, 00000001.00000003.235556788.00000000068CE000.00000004.00000001.sdmp, wmaJOYGy7Q.exe, 00000001.00000003.255397342.00000000068CE000.00000004.00000001.sdmp	String found in binary or memory: http://ns.ado/1
Source: wmaJOYGy7Q.exe, 00000001.00000003.235556788.00000000068CE000.00000004.00000001.sdmp, wmaJOYGy7Q.exe, 00000001.00000003.255397342.00000000068CE000.00000004.00000001.sdmp	String found in binary or memory: http://ns.adobe.c/g
Source: wmaJOYGy7Q.exe, 00000001.00000003.255397342.00000000068CE000.00000004.00000001.sdmp	String found in binary or memory: http://ns.adobe.c/g%%_
Source: wmaJOYGy7Q.exe, 00000001.00000002.256892969.0000000000A3D000.00000004.00000020.sdmp	String found in binary or memory: http://ocsp.digicert.com0:
Source: wmaJOYGy7Q.exe, 00000001.00000002.256892969.0000000000A3D000.00000004.00000020.sdmp	String found in binary or memory: http://ocsp.msocsp.com0
Source: wmaJOYGy7Q.exe, 00000001.00000002.256892969.0000000000A3D000.00000004.00000020.sdmp	String found in binary or memory: http://ocsp.pki.goog/g
Source: wmaJOYGy7Q.exe, 00000001.00000002.256892969.0000000000A3D000.00000004.00000020.sdmp	String found in binary or memory: http://ocsp.pki.goog/gsr10)
Source: wmaJOYGy7Q.exe, 00000001.00000002.256892969.0000000000A3D000.00000004.00000020.sdmp	String found in binary or memory: http://ocsp.pki.goog/gts1c301
Source: wmaJOYGy7Q.exe, 00000001.00000002.256892969.0000000000A3D000.00000004.00000020.sdmp	String found in binary or memory: http://ocsp.pki.goog/gtsr100
Source: wmaJOYGy7Q.exe, 00000001.00000002.256892969.0000000000A3D000.00000004.00000020.sdmp	String found in binary or memory: http://pki.goog/gsr1/gsr1.crt02
Source: wmaJOYGy7Q.exe, 00000001.00000002.256892969.0000000000A3D000.00000004.00000020.sdmp	String found in binary or memory: http://pki.goog/repo/certs/gts1c3.der0
Source: wmaJOYGy7Q.exe, 00000001.00000002.256892969.0000000000A3D000.00000004.00000020.sdmp	String found in binary or memory: http://pki.goog/repo/certs/gtsr1.der04
Source: wmaJOYGy7Q.exe, 00000001.00000002.257464970.0000000002561000.00000004.00000001.sdmp	String found in binary or memory: http://schema.org/WebPage
Source: wmaJOYGy7Q.exe, 00000001.00000002.257403401.0000000002531000.00000004.00000001.sdmp	String found in binary or memory: http://schemas.xmlsoap.org/ws/2005/05/identity/claims/name
Source: wmaJOYGy7Q.exe, 00000001.00000002.256892969.0000000000A3D000.00000004.00000020.sdmp	String found in binary or memory: https://pki.goog/repository/0
Source: wmaJOYGy7Q.exe, 00000001.00000002.257403401.0000000002531000.00000004.00000001.sdmp	String found in binary or memory: https://www.google.com
Source: wmaJOYGy7Q.exe, 00000001.00000002.257403401.0000000002531000.00000004.00000001.sdmp	String found in binary or memory: https://www.google.com/

Key, Mouse, Clipboard, Microphone and Screen Capturing:

Creates a DirectInput object (often for capturing keystrokes)

Source: wmaJOYGy7Q.exe, 00000001.00000002.256664574.0000000000990000.00000004.00000020.sdmp

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

Installs a raw input device (often for capturing keystrokes)

Source: RegAsm.exe, 00000005.00000002.486898144.00000000039B9000.00000004.00000001.sdmp

Binary or memory string: RegisterRawInputDevices

E-Banking Fraud:

Yara detected Nanocore RAT

Source: Yara match	File source: 00000005.00000002.481468397.0000000000402000.00000040.00000001.sdmp, type: MEMORY
Source: Yara match	File source: 00000001.00000002.263955446.0000000003658000.00000004.00000001.sdmp, type: MEMORY
Source: Yara match	File source: 00000001.00000002.263784829.0000000003538000.00000004.00000001.sdmp, type: MEMORY
Source: Yara match	File source: 00000005.00000002.490199362.0000000005250000.00000004.00000001.sdmp, type: MEMORY
Source: Yara match	File source: 00000005.00000002.486898144.00000000039B9000.00000004.00000001.sdmp, type: MEMORY
Source: Yara match	File source: 00000001.00000002.264154236.0000000003756000.00000004.00000001.sdmp, type: MEMORY
Source: Yara match	File source: 00000005.00000002.484995497.0000000002971000.00000004.00000001.sdmp, type: MEMORY
Source: Yara match	File source: Process Memory Space: RegAsm.exe PID: 4764, type: MEMORY
Source: Yara match	File source: Process Memory Space: wmaJOYGy7Q.exe PID: 5344, type: MEMORY
Source: Yara match	File source: 5.2.RegAsm.exe.39c063c.5.raw.unpack, type: UNPACKEDPE
Source: Yara match	File source: 5.2.RegAsm.exe.5250000.8.raw.unpack, type: UNPACKEDPE
Source: Yara match	File source: 5.2.RegAsm.exe.39bb806.4.raw.unpack, type: UNPACKEDPE
Source: Yara match	File source: 1.2.wmaJOYGy7Q.exe.3756622.7.unpack, type: UNPACKEDPE
Source: Yara match	File source: 1.2.wmaJOYGy7Q.exe.37892e0.6.unpack, type: UNPACKEDPE
Source: Yara match	File source: 5.2.RegAsm.exe.400000.0.unpack, type: UNPACKEDPE
Source: Yara match	File source: 5.2.RegAsm.exe.39c4c65.3.raw.unpack, type: UNPACKEDPE
Source: Yara match	File source: 1.2.wmaJOYGy7Q.exe.368b2f2.3.unpack, type: UNPACKEDPE
Source: Yara match	File source: 1.2.wmaJOYGy7Q.exe.36f0ca2.5.unpack, type: UNPACKEDPE
Source: Yara match	File source: 1.2.wmaJOYGy7Q.exe.36f0ca2.5.raw.unpack, type: UNPACKEDPE
Source: Yara match	File source: 1.2.wmaJOYGy7Q.exe.37892e0.6.raw.unpack, type: UNPACKEDPE
Source: Yara match	File source: 5.2.RegAsm.exe.39c063c.5.unpack, type: UNPACKEDPE
Source: Yara match	File source: 1.2.wmaJOYGy7Q.exe.3539510.2.raw.unpack, type: UNPACKEDPE
Source: Yara match	File source: 5.2.RegAsm.exe.5250000.8.unpack, type: UNPACKEDPE
Source: Yara match	File source: 1.2.wmaJOYGy7Q.exe.368b2f2.3.raw.unpack, type: UNPACKEDPE
Source: Yara match	File source: 5.2.RegAsm.exe.5254629.9.raw.unpack, type: UNPACKEDPE
Source: Yara match	File source: 1.2.wmaJOYGy7Q.exe.36bdfd2.4.unpack, type: UNPACKEDPE
Source: Yara match	File source: 1.2.wmaJOYGy7Q.exe.36bdfd2.4.raw.unpack, type: UNPACKEDPE
Source: Yara match	File source: 1.2.wmaJOYGy7Q.exe.3756622.7.raw.unpack, type: UNPACKEDPE

System Summary:

Malicious sample detected (through community Yara rule)

Source: 00000005.00000002.481468397.0000000000402000.00000040.00000001.sdmp, type: MEMORY	Matched rule: Detetcs the Nanocore RAT Author: Florian Roth
Source: 00000005.00000002.481468397.0000000000402000.00000040.00000001.sdmp, type: MEMORY	Matched rule: NanoCore Author: Kevin Breen <kevin@techanarchy.net>
Source: 00000001.00000002.263955446.0000000003658000.00000004.00000001.sdmp, type: MEMORY	Matched rule: Detetcs the Nanocore RAT Author: Florian Roth
Source: 00000001.00000002.263955446.0000000003658000.00000004.00000001.sdmp, type: MEMORY	Matched rule: NanoCore Author: Kevin Breen <kevin@techanarchy.net>
Source: 00000001.00000002.263784829.0000000003538000.00000004.00000001.sdmp, type: MEMORY	Matched rule: Detetcs the Nanocore RAT Author: Florian Roth
Source: 00000001.00000002.263784829.0000000003538000.00000004.00000001.sdmp, type: MEMORY	Matched rule: NanoCore Author: Kevin Breen <kevin@techanarchy.net>
Source: 00000005.00000002.490006265.0000000005050000.00000004.00000001.sdmp, type: MEMORY	Matched rule: Detetcs the Nanocore RAT Author: Florian Roth
Source: 00000005.00000002.490199362.0000000005250000.00000004.00000001.sdmp, type: MEMORY	Matched rule: Detetcs the Nanocore RAT Author: Florian Roth
Source: 00000005.00000002.486898144.00000000039B9000.00000004.00000001.sdmp, type: MEMORY	Matched rule: NanoCore Author: Kevin Breen <kevin@techanarchy.net>
Source: 00000001.00000002.264154236.0000000003756000.00000004.00000001.sdmp, type: MEMORY	Matched rule: Detetcs the Nanocore RAT Author: Florian Roth
Source: 00000001.00000002.264154236.0000000003756000.00000004.00000001.sdmp, type: MEMORY	Matched rule: NanoCore Author: Kevin Breen <kevin@techanarchy.net>
Source: Process Memory Space: RegAsm.exe PID: 4764, type: MEMORY	Matched rule: Detetcs the Nanocore RAT Author: Florian Roth
Source: Process Memory Space: RegAsm.exe PID: 4764, type: MEMORY	Matched rule: NanoCore Author: Kevin Breen <kevin@techanarchy.net>
Source: Process Memory Space: wmaJOYGy7Q.exe PID: 5344, type: MEMORY	Matched rule: Detetcs the Nanocore RAT Author: Florian Roth
Source: Process Memory Space: wmaJOYGy7Q.exe PID: 5344, type: MEMORY	Matched rule: NanoCore Author: Kevin Breen <kevin@techanarchy.net>
Source: 5.2.RegAsm.exe.39c063c.5.raw.unpack, type: UNPACKEDPE	Matched rule: Detetcs the Nanocore RAT Author: Florian Roth
Source: 5.2.RegAsm.exe.299caf0.2.raw.unpack, type: UNPACKEDPE	Matched rule: Detetcs the Nanocore RAT Author: Florian Roth
Source: 5.2.RegAsm.exe.5250000.8.raw.unpack, type: UNPACKEDPE	Matched rule: Detetcs the Nanocore RAT Author: Florian Roth
Source: 5.2.RegAsm.exe.39bb806.4.raw.unpack, type: UNPACKEDPE	Matched rule: Detetcs the Nanocore RAT Author: Florian Roth
Source: 5.2.RegAsm.exe.39bb806.4.raw.unpack, type: UNPACKEDPE	Matched rule: NanoCore Author: Kevin Breen <kevin@techanarchy.net>
Source: 1.2.wmaJOYGy7Q.exe.3756622.7.unpack, type: UNPACKEDPE	Matched rule: Detetcs the Nanocore RAT Author: Florian Roth
Source: 1.2.wmaJOYGy7Q.exe.3756622.7.unpack, type: UNPACKEDPE	Matched rule: NanoCore Author: Kevin Breen <kevin@techanarchy.net>
Source: 1.2.wmaJOYGy7Q.exe.37892e0.6.unpack, type: UNPACKEDPE	Matched rule: Detetcs the Nanocore RAT Author: Florian Roth
Source: 1.2.wmaJOYGy7Q.exe.37892e0.6.unpack, type: UNPACKEDPE	Matched rule: NanoCore Author: Kevin Breen <kevin@techanarchy.net>
Source: 5.2.RegAsm.exe.400000.0.unpack, type: UNPACKEDPE	Matched rule: Detetcs the Nanocore RAT Author: Florian Roth
Source: 5.2.RegAsm.exe.400000.0.unpack, type: UNPACKEDPE	Matched rule: NanoCore Author: Kevin Breen <kevin@techanarchy.net>
Source: 5.2.RegAsm.exe.39c4c65.3.raw.unpack, type: UNPACKEDPE	Matched rule: Detetcs the Nanocore RAT Author: Florian Roth
Source: 1.2.wmaJOYGy7Q.exe.368b2f2.3.unpack, type: UNPACKEDPE	Matched rule: Detetcs the Nanocore RAT Author: Florian Roth
Source: 1.2.wmaJOYGy7Q.exe.368b2f2.3.unpack, type: UNPACKEDPE	Matched rule: NanoCore Author: Kevin Breen <kevin@techanarchy.net>
Source: 1.2.wmaJOYGy7Q.exe.36f0ca2.5.unpack, type: UNPACKEDPE	Matched rule: Detetcs the Nanocore RAT Author: Florian Roth
Source: 1.2.wmaJOYGy7Q.exe.36f0ca2.5.unpack, type: UNPACKEDPE	Matched rule: NanoCore Author: Kevin Breen <kevin@techanarchy.net>
Source: 1.2.wmaJOYGy7Q.exe.36f0ca2.5.raw.unpack, type: UNPACKEDPE	Matched rule: Detetcs the Nanocore RAT Author: Florian Roth
Source: 1.2.wmaJOYGy7Q.exe.36f0ca2.5.raw.unpack, type: UNPACKEDPE	Matched rule: NanoCore Author: Kevin Breen <kevin@techanarchy.net>
Source: 1.2.wmaJOYGy7Q.exe.37892e0.6.raw.unpack, type: UNPACKEDPE	Matched rule: Detetcs the Nanocore RAT Author: Florian Roth
Source: 1.2.wmaJOYGy7Q.exe.37892e0.6.raw.unpack, type: UNPACKEDPE	Matched rule: NanoCore Author: Kevin Breen <kevin@techanarchy.net>
Source: 5.2.RegAsm.exe.39c063c.5.unpack, type: UNPACKEDPE	Matched rule: Detetcs the Nanocore RAT Author: Florian Roth
Source: 1.2.wmaJOYGy7Q.exe.3539510.2.raw.unpack, type: UNPACKEDPE	Matched rule: Detetcs the Nanocore RAT Author: Florian Roth
Source: 1.2.wmaJOYGy7Q.exe.3539510.2.raw.unpack, type: UNPACKEDPE	Matched rule: NanoCore Author: Kevin Breen <kevin@techanarchy.net>
Source: 5.2.RegAsm.exe.5050000.7.raw.unpack, type: UNPACKEDPE	Matched rule: Detetcs the Nanocore RAT Author: Florian Roth
Source: 5.2.RegAsm.exe.5250000.8.unpack, type: UNPACKEDPE	Matched rule: Detetcs the Nanocore RAT Author: Florian Roth
Source: 1.2.wmaJOYGy7Q.exe.368b2f2.3.raw.unpack, type: UNPACKEDPE	Matched rule: Detetcs the Nanocore RAT Author: Florian Roth
Source: 1.2.wmaJOYGy7Q.exe.368b2f2.3.raw.unpack, type: UNPACKEDPE	Matched rule: NanoCore Author: Kevin Breen <kevin@techanarchy.net>
Source: 5.2.RegAsm.exe.5254629.9.raw.unpack, type: UNPACKEDPE	Matched rule: Detetcs the Nanocore RAT Author: Florian Roth
Source: 1.2.wmaJOYGy7Q.exe.36bdfd2.4.unpack, type: UNPACKEDPE	Matched rule: Detetcs the Nanocore RAT Author: Florian Roth
Source: 1.2.wmaJOYGy7Q.exe.36bdfd2.4.unpack, type: UNPACKEDPE	Matched rule: NanoCore Author: Kevin Breen <kevin@techanarchy.net>
Source: 1.2.wmaJOYGy7Q.exe.36bdfd2.4.raw.unpack, type: UNPACKEDPE	Matched rule: Detetcs the Nanocore RAT Author: Florian Roth
Source: 1.2.wmaJOYGy7Q.exe.36bdfd2.4.raw.unpack, type: UNPACKEDPE	Matched rule: NanoCore Author: Kevin Breen <kevin@techanarchy.net>
Source: 1.2.wmaJOYGy7Q.exe.3756622.7.raw.unpack, type: UNPACKEDPE	Matched rule: Detetcs the Nanocore RAT Author: Florian Roth
Source: 1.2.wmaJOYGy7Q.exe.3756622.7.raw.unpack, type: UNPACKEDPE	Matched rule: NanoCore Author: Kevin Breen <kevin@techanarchy.net>

.NET source code contains very large array initializations

Source: wmaJOYGy7Q.exe, Qb7p/Kg37.cs	Large array initialization: .cctor: array initializer size 2653
Source: wmaJOYGy7Q.exe, e1L/Bs2.cs	Large array initialization: .cctor: array initializer size 2943
Source: 1.0.wmaJOYGy7Q.exe.190000.0.unpack, Qb7p/Kg37.cs	Large array initialization: .cctor: array initializer size 2653
Source: 1.0.wmaJOYGy7Q.exe.190000.0.unpack, e1L/Bs2.cs	Large array initialization: .cctor: array initializer size 2943
Source: 1.2.wmaJOYGy7Q.exe.190000.0.unpack, e1L/Bs2.cs	Large array initialization: .cctor: array initializer size 2943
Source: 1.2.wmaJOYGy7Q.exe.190000.0.unpack, Qb7p/Kg37.cs	Large array initialization: .cctor: array initializer size 2653

Detected potential crypto function

Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe	Code function: 1_2_0247D3C0		1_2_0247D3C0
Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe	Code function: 1_2_0247F140		1_2_0247F140
Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe	Code function: 1_2_02479F90		1_2_02479F90
Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe	Code function: 1_2_02478BC8		1_2_02478BC8
Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe	Code function: 1_2_02479808		1_2_02479808
Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe	Code function: 1_2_062517C0		1_2_062517C0
Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe	Code function: 1_2_06250040		1_2_06250040
Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe	Code function: 1_2_06258489		1_2_06258489
Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe	Code function: 1_2_06258490		1_2_06258490
Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe	Code function: 1_2_06252568		1_2_06252568
Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe	Code function: 1_2_06252558		1_2_06252558
Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe	Code function: 1_2_0625F24F		1_2_0625F24F
Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe	Code function: 1_2_0625F250		1_2_0625F250
Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe	Code function: 1_2_06250006		1_2_06250006
Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe	Code function: 1_2_06257EE0		1_2_06257EE0
Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe	Code function: 1_2_06257ECF		1_2_06257ECF
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe	Code function: 5_2_007A3DFE		5_2_007A3DFE
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe	Code function: 5_2_04E5E480		5_2_04E5E480
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe	Code function: 5_2_04E5E471		5_2_04E5E471
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe	Code function: 5_2_04E5BBD4		5_2_04E5BBD4
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe	Code function: 5_2_04FAF5F8		5_2_04FAF5F8
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe	Code function: 5_2_04FA9788		5_2_04FA9788
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe	Code function: 5_2_04FAA610		5_2_04FAA610
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe	Code function: 5_2_06380040		5_2_06380040
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe	Code function: 10_2_000D3DFE		10_2_000D3DFE

Dropped file seen in connection with other malware

Source: Joe Sandbox View

Dropped File: C:\Users\user\AppData\Local\Temp\RegAsm.exe FFE4480CCC81B061F725C54587E9D1BA96547D27FE28083305D75796F2EB3E74

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

Source: wmaJOYGy7Q.exe, 00000001.00000003.245266726.000000000659F000.00000004.00000001.sdmp	Binary or memory string: OriginalFilenameRegAsm.exeT vs wmaJOYGy7Q.exe
Source: wmaJOYGy7Q.exe, 00000001.00000002.256664574.0000000000990000.00000004.00000020.sdmp	Binary or memory string: OriginalFilenameclr.dllT vs wmaJOYGy7Q.exe
Source: wmaJOYGy7Q.exe, 00000001.00000002.255901642.0000000000234000.00000002.00020000.sdmp	Binary or memory string: OriginalFilenameTest03.exeH vs wmaJOYGy7Q.exe
Source: wmaJOYGy7Q.exe, 00000001.00000002.265944056.0000000005590000.00000004.00000001.sdmp	Binary or memory string: OriginalFilenameSHCore1.dll0 vs wmaJOYGy7Q.exe
Source: wmaJOYGy7Q.exe, 00000001.00000002.257698522.00000000025E2000.00000004.00000001.sdmp	Binary or memory string: OriginalFilenameRunPe6.dll" vs wmaJOYGy7Q.exe
Source: wmaJOYGy7Q.exe, 00000001.00000002.266999737.0000000005FC0000.00000002.00000001.sdmp	Binary or memory string: OriginalFilenamemscorrc.dllT vs wmaJOYGy7Q.exe
Source: wmaJOYGy7Q.exe, 00000001.00000002.266076337.00000000055D0000.00000002.00000001.sdmp	Binary or memory string: OriginalFilenameKernelbase.dll.muij% vs wmaJOYGy7Q.exe
Source: wmaJOYGy7Q.exe	Binary or memory string: OriginalFilenameTest03.exeH vs wmaJOYGy7Q.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

Uses 32bit PE files

Source: wmaJOYGy7Q.exe

Static PE information: 32BIT_MACHINE, EXECUTABLE_IMAGE

Yara signature match

Source: 00000005.00000002.481468397.0000000000402000.00000040.00000001.sdmp, type: MEMORY	Matched rule: Nanocore_RAT_Gen_2 date = 2016-04-22, hash1 = 755f49a4ffef5b1b62f4b5a5de279868c0c1766b528648febf76628f1fe39050, author = Florian Roth, description = Detetcs the Nanocore RAT, license = https://creativecommons.org/licenses/by-nc/4.0/, score = https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Source: 00000005.00000002.481468397.0000000000402000.00000040.00000001.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: 00000001.00000002.263955446.0000000003658000.00000004.00000001.sdmp, type: MEMORY	Matched rule: Nanocore_RAT_Gen_2 date = 2016-04-22, hash1 = 755f49a4ffef5b1b62f4b5a5de279868c0c1766b528648febf76628f1fe39050, author = Florian Roth, description = Detetcs the Nanocore RAT, license = https://creativecommons.org/licenses/by-nc/4.0/, score = https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Source: 00000001.00000002.263955446.0000000003658000.00000004.00000001.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: 00000001.00000002.263784829.0000000003538000.00000004.00000001.sdmp, type: MEMORY	Matched rule: Nanocore_RAT_Gen_2 date = 2016-04-22, hash1 = 755f49a4ffef5b1b62f4b5a5de279868c0c1766b528648febf76628f1fe39050, author = Florian Roth, description = Detetcs the Nanocore RAT, license = https://creativecommons.org/licenses/by-nc/4.0/, score = https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Source: 00000001.00000002.263784829.0000000003538000.00000004.00000001.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: 00000005.00000002.490006265.0000000005050000.00000004.00000001.sdmp, type: MEMORY	Matched rule: Nanocore_RAT_Gen_2 date = 2016-04-22, hash1 = 755f49a4ffef5b1b62f4b5a5de279868c0c1766b528648febf76628f1fe39050, author = Florian Roth, description = Detetcs the Nanocore RAT, license = https://creativecommons.org/licenses/by-nc/4.0/, score = https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Source: 00000005.00000002.490006265.0000000005050000.00000004.00000001.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 = https://creativecommons.org/licenses/by-nc/4.0/
Source: 00000005.00000002.490199362.0000000005250000.00000004.00000001.sdmp, type: MEMORY	Matched rule: Nanocore_RAT_Gen_2 date = 2016-04-22, hash1 = 755f49a4ffef5b1b62f4b5a5de279868c0c1766b528648febf76628f1fe39050, author = Florian Roth, description = Detetcs the Nanocore RAT, license = https://creativecommons.org/licenses/by-nc/4.0/, score = https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Source: 00000005.00000002.490199362.0000000005250000.00000004.00000001.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 = https://creativecommons.org/licenses/by-nc/4.0/
Source: 00000005.00000002.486898144.00000000039B9000.00000004.00000001.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: 00000001.00000002.264154236.0000000003756000.00000004.00000001.sdmp, type: MEMORY	Matched rule: Nanocore_RAT_Gen_2 date = 2016-04-22, hash1 = 755f49a4ffef5b1b62f4b5a5de279868c0c1766b528648febf76628f1fe39050, author = Florian Roth, description = Detetcs the Nanocore RAT, license = https://creativecommons.org/licenses/by-nc/4.0/, score = https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Source: 00000001.00000002.264154236.0000000003756000.00000004.00000001.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: RegAsm.exe PID: 4764, type: MEMORY	Matched rule: Nanocore_RAT_Gen_2 date = 2016-04-22, hash1 = 755f49a4ffef5b1b62f4b5a5de279868c0c1766b528648febf76628f1fe39050, author = Florian Roth, description = Detetcs the Nanocore RAT, license = https://creativecommons.org/licenses/by-nc/4.0/, score = https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Source: Process Memory Space: RegAsm.exe PID: 4764, 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: wmaJOYGy7Q.exe PID: 5344, type: MEMORY	Matched rule: Nanocore_RAT_Gen_2 date = 2016-04-22, hash1 = 755f49a4ffef5b1b62f4b5a5de279868c0c1766b528648febf76628f1fe39050, author = Florian Roth, description = Detetcs the Nanocore RAT, license = https://creativecommons.org/licenses/by-nc/4.0/, score = https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Source: Process Memory Space: wmaJOYGy7Q.exe PID: 5344, 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: 5.2.RegAsm.exe.39c063c.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 = https://creativecommons.org/licenses/by-nc/4.0/, score = https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Source: 5.2.RegAsm.exe.39c063c.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 = https://creativecommons.org/licenses/by-nc/4.0/
Source: 5.2.RegAsm.exe.299caf0.2.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 = https://creativecommons.org/licenses/by-nc/4.0/, score = https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Source: 5.2.RegAsm.exe.299caf0.2.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 = https://creativecommons.org/licenses/by-nc/4.0/
Source: 5.2.RegAsm.exe.5250000.8.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 = https://creativecommons.org/licenses/by-nc/4.0/, score = https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Source: 5.2.RegAsm.exe.5250000.8.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 = https://creativecommons.org/licenses/by-nc/4.0/
Source: 5.2.RegAsm.exe.39bb806.4.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 = https://creativecommons.org/licenses/by-nc/4.0/, score = https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Source: 5.2.RegAsm.exe.39bb806.4.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 = https://creativecommons.org/licenses/by-nc/4.0/
Source: 5.2.RegAsm.exe.39bb806.4.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: 1.2.wmaJOYGy7Q.exe.3756622.7.unpack, type: UNPACKEDPE	Matched rule: Nanocore_RAT_Gen_2 date = 2016-04-22, hash1 = 755f49a4ffef5b1b62f4b5a5de279868c0c1766b528648febf76628f1fe39050, author = Florian Roth, description = Detetcs the Nanocore RAT, license = https://creativecommons.org/licenses/by-nc/4.0/, score = https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Source: 1.2.wmaJOYGy7Q.exe.3756622.7.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 = https://creativecommons.org/licenses/by-nc/4.0/
Source: 1.2.wmaJOYGy7Q.exe.3756622.7.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: 1.2.wmaJOYGy7Q.exe.37892e0.6.unpack, type: UNPACKEDPE	Matched rule: Nanocore_RAT_Gen_2 date = 2016-04-22, hash1 = 755f49a4ffef5b1b62f4b5a5de279868c0c1766b528648febf76628f1fe39050, author = Florian Roth, description = Detetcs the Nanocore RAT, license = https://creativecommons.org/licenses/by-nc/4.0/, score = https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Source: 1.2.wmaJOYGy7Q.exe.37892e0.6.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 = https://creativecommons.org/licenses/by-nc/4.0/
Source: 1.2.wmaJOYGy7Q.exe.37892e0.6.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: 5.2.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 = https://creativecommons.org/licenses/by-nc/4.0/, score = https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Source: 5.2.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 = https://creativecommons.org/licenses/by-nc/4.0/
Source: 5.2.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: 5.2.RegAsm.exe.39c4c65.3.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 = https://creativecommons.org/licenses/by-nc/4.0/, score = https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Source: 5.2.RegAsm.exe.39c4c65.3.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 = https://creativecommons.org/licenses/by-nc/4.0/
Source: 1.2.wmaJOYGy7Q.exe.368b2f2.3.unpack, type: UNPACKEDPE	Matched rule: Nanocore_RAT_Gen_2 date = 2016-04-22, hash1 = 755f49a4ffef5b1b62f4b5a5de279868c0c1766b528648febf76628f1fe39050, author = Florian Roth, description = Detetcs the Nanocore RAT, license = https://creativecommons.org/licenses/by-nc/4.0/, score = https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Source: 1.2.wmaJOYGy7Q.exe.368b2f2.3.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 = https://creativecommons.org/licenses/by-nc/4.0/
Source: 1.2.wmaJOYGy7Q.exe.368b2f2.3.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: 1.2.wmaJOYGy7Q.exe.36f0ca2.5.unpack, type: UNPACKEDPE	Matched rule: Nanocore_RAT_Gen_2 date = 2016-04-22, hash1 = 755f49a4ffef5b1b62f4b5a5de279868c0c1766b528648febf76628f1fe39050, author = Florian Roth, description = Detetcs the Nanocore RAT, license = https://creativecommons.org/licenses/by-nc/4.0/, score = https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Source: 1.2.wmaJOYGy7Q.exe.36f0ca2.5.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 = https://creativecommons.org/licenses/by-nc/4.0/
Source: 1.2.wmaJOYGy7Q.exe.36f0ca2.5.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: 1.2.wmaJOYGy7Q.exe.36f0ca2.5.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 = https://creativecommons.org/licenses/by-nc/4.0/, score = https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Source: 1.2.wmaJOYGy7Q.exe.36f0ca2.5.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 = https://creativecommons.org/licenses/by-nc/4.0/
Source: 1.2.wmaJOYGy7Q.exe.36f0ca2.5.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: 1.2.wmaJOYGy7Q.exe.37892e0.6.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 = https://creativecommons.org/licenses/by-nc/4.0/, score = https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Source: 1.2.wmaJOYGy7Q.exe.37892e0.6.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 = https://creativecommons.org/licenses/by-nc/4.0/
Source: 1.2.wmaJOYGy7Q.exe.37892e0.6.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: 5.2.RegAsm.exe.39c063c.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 = https://creativecommons.org/licenses/by-nc/4.0/, score = https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Source: 5.2.RegAsm.exe.39c063c.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 = https://creativecommons.org/licenses/by-nc/4.0/
Source: 1.2.wmaJOYGy7Q.exe.3539510.2.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 = https://creativecommons.org/licenses/by-nc/4.0/, score = https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Source: 1.2.wmaJOYGy7Q.exe.3539510.2.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 = https://creativecommons.org/licenses/by-nc/4.0/
Source: 1.2.wmaJOYGy7Q.exe.3539510.2.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: 5.2.RegAsm.exe.5050000.7.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 = https://creativecommons.org/licenses/by-nc/4.0/, score = https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Source: 5.2.RegAsm.exe.5050000.7.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 = https://creativecommons.org/licenses/by-nc/4.0/
Source: 5.2.RegAsm.exe.5250000.8.unpack, type: UNPACKEDPE	Matched rule: Nanocore_RAT_Gen_2 date = 2016-04-22, hash1 = 755f49a4ffef5b1b62f4b5a5de279868c0c1766b528648febf76628f1fe39050, author = Florian Roth, description = Detetcs the Nanocore RAT, license = https://creativecommons.org/licenses/by-nc/4.0/, score = https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Source: 5.2.RegAsm.exe.5250000.8.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 = https://creativecommons.org/licenses/by-nc/4.0/
Source: 1.2.wmaJOYGy7Q.exe.368b2f2.3.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 = https://creativecommons.org/licenses/by-nc/4.0/, score = https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Source: 1.2.wmaJOYGy7Q.exe.368b2f2.3.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: 5.2.RegAsm.exe.5254629.9.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 = https://creativecommons.org/licenses/by-nc/4.0/, score = https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Source: 5.2.RegAsm.exe.5254629.9.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 = https://creativecommons.org/licenses/by-nc/4.0/
Source: 1.2.wmaJOYGy7Q.exe.36bdfd2.4.unpack, type: UNPACKEDPE	Matched rule: Nanocore_RAT_Gen_2 date = 2016-04-22, hash1 = 755f49a4ffef5b1b62f4b5a5de279868c0c1766b528648febf76628f1fe39050, author = Florian Roth, description = Detetcs the Nanocore RAT, license = https://creativecommons.org/licenses/by-nc/4.0/, score = https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Source: 1.2.wmaJOYGy7Q.exe.36bdfd2.4.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 = https://creativecommons.org/licenses/by-nc/4.0/
Source: 1.2.wmaJOYGy7Q.exe.36bdfd2.4.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: 1.2.wmaJOYGy7Q.exe.36bdfd2.4.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 = https://creativecommons.org/licenses/by-nc/4.0/, score = https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Source: 1.2.wmaJOYGy7Q.exe.36bdfd2.4.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 = https://creativecommons.org/licenses/by-nc/4.0/
Source: 1.2.wmaJOYGy7Q.exe.36bdfd2.4.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: 1.2.wmaJOYGy7Q.exe.3756622.7.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 = https://creativecommons.org/licenses/by-nc/4.0/, score = https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Source: 1.2.wmaJOYGy7Q.exe.3756622.7.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 = https://creativecommons.org/licenses/by-nc/4.0/
Source: 1.2.wmaJOYGy7Q.exe.3756622.7.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

.NET source code contains calls to encryption/decryption functions

Source: 5.2.RegAsm.exe.400000.0.unpack, u0023u003dqjIje6jGWLd2EOkfZXKqBbgu003du003d.cs	Cryptographic APIs: 'TransformFinalBlock', 'CreateDecryptor'
Source: 5.2.RegAsm.exe.400000.0.unpack, u0023u003dqVxXNKnhAcArgJoGGYXiyyQu003du003d.cs	Cryptographic APIs: 'CreateDecryptor'
Source: 5.2.RegAsm.exe.400000.0.unpack, u0023u003dqVxXNKnhAcArgJoGGYXiyyQu003du003d.cs	Cryptographic APIs: 'TransformFinalBlock'

Classification label

Source: classification engine

Classification label: mal100.troj.evad.winEXE@8/8@3/1

Creates files inside the user directory

Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe

File created: C:\Users\user\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\wmaJOYGy7Q.exe.log

Jump to behavior

Creates mutexes

Source: C:\Windows\System32\conhost.exe	Mutant created: \Sessions\1\BaseNamedObjects\Local\SM0:1240:120:WilError_01
Source: C:\Windows\System32\conhost.exe	Mutant created: \Sessions\1\BaseNamedObjects\Local\SM0:6048:120:WilError_01
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe	Mutant created: \Sessions\1\BaseNamedObjects\Global\{18773cd6-e296-4327-b004-0088e2e894f7}

Creates temporary files

Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe

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

Jump to behavior

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

Source: wmaJOYGy7Q.exe

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

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

Source: C:\Users\user\Desktop\wmaJOYGy7Q.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

Reads software policies

Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe

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

Jump to behavior

Reads the hosts file

Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe	File read: C:\Windows\System32\drivers\etc\hosts			Jump to behavior
Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe	File read: C:\Windows\System32\drivers\etc\hosts			Jump to behavior
Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe	File read: C:\Windows\System32\drivers\etc\hosts			Jump to behavior

Sample is known by Antivirus

Source: wmaJOYGy7Q.exe	Virustotal: Detection: 30%
Source: wmaJOYGy7Q.exe	ReversingLabs: Detection: 22%

Spawns processes

Source: unknown	Process created: C:\Users\user\Desktop\wmaJOYGy7Q.exe 'C:\Users\user\Desktop\wmaJOYGy7Q.exe'
Source: C:\Users\user\Desktop\wmaJOYGy7Q.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\tmp8A08.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: C:\Users\user\Desktop\wmaJOYGy7Q.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\tmp8A08.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

Uses Microsoft Silverlight

Source: C:\Users\user\Desktop\wmaJOYGy7Q.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: wmaJOYGy7Q.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: wmaJOYGy7Q.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: RegAsm.exe, RegAsm.exe.1.dr
Source:	Binary string: RegAsm.pdb4 source: wmaJOYGy7Q.exe, 00000001.00000003.245266726.000000000659F000.00000004.00000001.sdmp, RegAsm.exe, 00000005.00000002.481832170.00000000007A2000.00000002.00020000.sdmp, RegAsm.exe, 0000000A.00000000.265143944.00000000000D2000.00000002.00020000.sdmp, RegAsm.exe.1.dr

Data Obfuscation:

.NET source code contains potential unpacker

Source: 5.2.RegAsm.exe.400000.0.unpack, u0023u003dqjIje6jGWLd2EOkfZXKqBbgu003du003d.cs	.Net Code: #=q_FL69pQf17BUSAFbWYu1SStMAbdu$R1GJ8VY8UL5_EA= System.Reflection.Assembly System.Reflection.Assembly::Load(System.Byte[])
Source: 5.2.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\wmaJOYGy7Q.exe	Code function: 1_2_0019433D push ebx; retf		1_2_0019440B
Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe	Code function: 1_2_00194CB9 pushad ; retf		1_2_00194CC0
Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe	Code function: 1_2_001930BD push ds; retf		1_2_001931D1
Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe	Code function: 1_2_00192FA7 push ds; retf		1_2_001931D1
Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe	Code function: 1_2_001943EE push ebx; retf		1_2_0019440B
Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe	Code function: 1_2_0625C75A push 8BF08BFAh; iretd		1_2_0625C75F
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe	Code function: 5_2_007A4469 push cs; retf		5_2_007A449E
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe	Code function: 5_2_007A44A3 push es; retf		5_2_007A44A4
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe	Code function: 5_2_007A4289 push es; retf		5_2_007A4294
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe	Code function: 5_2_04FA69F8 pushad ; retf		5_2_04FA69F9
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe	Code function: 5_2_04FA6A00 push esp; retf		5_2_04FA6A01
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe	Code function: 10_2_000D4289 push es; retf		10_2_000D4294
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe	Code function: 10_2_000D4469 push cs; retf		10_2_000D449E
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe	Code function: 10_2_000D44A3 push es; retf		10_2_000D44A4

.NET source code contains many randomly named methods

Source: wmaJOYGy7Q.exe, Wk7s/Xb3o.cs	High entropy of concatenated method names: '.ctor', 'Pm5i', 'b3FQ', 'q6Z1', 'f8DT', 's6BP', 'La0j', 'Dz12', 'Zt59', 'e2L8'
Source: 1.0.wmaJOYGy7Q.exe.190000.0.unpack, Wk7s/Xb3o.cs	High entropy of concatenated method names: '.ctor', 'Pm5i', 'b3FQ', 'q6Z1', 'f8DT', 's6BP', 'La0j', 'Dz12', 'Zt59', 'e2L8'
Source: 1.2.wmaJOYGy7Q.exe.190000.0.unpack, Wk7s/Xb3o.cs	High entropy of concatenated method names: '.ctor', 'Pm5i', 'b3FQ', 'q6Z1', 'f8DT', 's6BP', 'La0j', 'Dz12', 'Zt59', 'e2L8'
Source: 5.2.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: 5.2.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\wmaJOYGy7Q.exe

File created: C:\Users\user\AppData\Local\Temp\RegAsm.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\tmp8A08.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\wmaJOYGy7Q.exe	File opened: C:\Users\user\Desktop\wmaJOYGy7Q.exe\:Zone.Identifier read attributes | delete			Jump to behavior
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe	File opened: C:\Users\user\AppData\Local\Temp\RegAsm.exe:Zone.Identifier read attributes | delete			Jump to behavior

Disables application error messsages (SetErrorMode)

Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\wmaJOYGy7Q.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:\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

Malware Analysis System Evasion:

Contains long sleeps (>= 3 min)

Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe	Thread delayed: delay time: 922337203685477			Jump to behavior
Source: C:\Users\user\Desktop\wmaJOYGy7Q.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

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

Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe	Window / User API: threadDelayed 5402			Jump to behavior
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe	Window / User API: threadDelayed 4079			Jump to behavior
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe	Window / User API: foregroundWindowGot 861			Jump to behavior

May sleep (evasive loops) to hinder dynamic analysis

Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe TID: 4604	Thread sleep time: -3689348814741908s >= -30000s			Jump to behavior
Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe TID: 4812	Thread sleep count: 290 > 30			Jump to behavior
Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe TID: 4812	Thread sleep count: 184 > 30			Jump to behavior
Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe TID: 5280	Thread sleep time: -922337203685477s >= -30000s			Jump to behavior
Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe TID: 6124	Thread sleep time: -30000s >= -30000s			Jump to behavior
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe TID: 5548	Thread sleep time: -19369081277395017s >= -30000s			Jump to behavior
Source: C:\Users\user\AppData\Local\Temp\RegAsm.exe TID: 4656	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

Contains medium sleeps (>= 30s)

Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe	Thread delayed: delay time: 922337203685477			Jump to behavior
Source: C:\Users\user\Desktop\wmaJOYGy7Q.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

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

Source: wmaJOYGy7Q.exe, 00000001.00000002.256845416.0000000000A1C000.00000004.00000020.sdmp	Binary or memory string: Hyper-V RAW%SystemRoot%\system32\mswsock.dll-7
Source: wmaJOYGy7Q.exe, 00000001.00000002.266076337.00000000055D0000.00000002.00000001.sdmp, RegAsm.exe, 00000005.00000002.490919069.0000000006990000.00000002.00000001.sdmp	Binary or memory string: A Virtual Machine could not be started because Hyper-V is not installed.
Source: wmaJOYGy7Q.exe, 00000001.00000002.266076337.00000000055D0000.00000002.00000001.sdmp, RegAsm.exe, 00000005.00000002.490919069.0000000006990000.00000002.00000001.sdmp	Binary or memory string: A communication protocol error has occurred between the Hyper-V Host and Guest Compute Service.
Source: wmaJOYGy7Q.exe, 00000001.00000002.266076337.00000000055D0000.00000002.00000001.sdmp, RegAsm.exe, 00000005.00000002.490919069.0000000006990000.00000002.00000001.sdmp	Binary or memory string: The communication protocol version between the Hyper-V Host and Guest Compute Services is not supported.
Source: wmaJOYGy7Q.exe, 00000001.00000002.266076337.00000000055D0000.00000002.00000001.sdmp, RegAsm.exe, 00000005.00000002.490919069.0000000006990000.00000002.00000001.sdmp	Binary or memory string: An unknown internal message was received by the Hyper-V Compute Service.

Queries a list of all running processes

Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe

Process information queried: ProcessInformation

Jump to behavior

Anti Debugging:

Contains functionality to access loader functionality (e.g. LdrGetProcedureAddress)

Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe

Code function: 1_2_0247C460 LdrInitializeThunk,

1_2_0247C460

Enables debug privileges

Source: C:\Users\user\Desktop\wmaJOYGy7Q.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\wmaJOYGy7Q.exe

Memory allocated: page read and write | page guard

Jump to behavior

HIPS / PFW / Operating System Protection Evasion:

Allocates memory in foreign processes

Source: C:\Users\user\Desktop\wmaJOYGy7Q.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\wmaJOYGy7Q.exe

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

Jump to behavior

Writes to foreign memory regions

Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe	Memory written: C:\Users\user\AppData\Local\Temp\RegAsm.exe base: 400000			Jump to behavior
Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe	Memory written: C:\Users\user\AppData\Local\Temp\RegAsm.exe base: 402000			Jump to behavior
Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe	Memory written: C:\Users\user\AppData\Local\Temp\RegAsm.exe base: 420000			Jump to behavior
Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe	Memory written: C:\Users\user\AppData\Local\Temp\RegAsm.exe base: 422000			Jump to behavior
Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe	Memory written: C:\Users\user\AppData\Local\Temp\RegAsm.exe base: 89F008			Jump to behavior

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

Source: C:\Users\user\Desktop\wmaJOYGy7Q.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\tmp8A08.tmp'			Jump to behavior

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

Source: RegAsm.exe, 00000005.00000002.490783177.000000000637D000.00000004.00000001.sdmp	Binary or memory string: Program Manager
Source: RegAsm.exe, 00000005.00000002.484462389.0000000001320000.00000002.00000001.sdmp	Binary or memory string: Shell_TrayWnd
Source: RegAsm.exe, 00000005.00000002.484462389.0000000001320000.00000002.00000001.sdmp	Binary or memory string: Progman
Source: RegAsm.exe, 00000005.00000002.484462389.0000000001320000.00000002.00000001.sdmp	Binary or memory string: Progmanlock
Source: RegAsm.exe, 00000005.00000002.485546104.0000000002AF2000.00000004.00000001.sdmp	Binary or memory string: Program Manager8H

Language, Device and Operating System Detection:

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

Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe	Queries volume information: C:\Users\user\Desktop\wmaJOYGy7Q.exe VolumeInformation			Jump to behavior
Source: C:\Users\user\Desktop\wmaJOYGy7Q.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\wmaJOYGy7Q.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\wmaJOYGy7Q.exe	Queries volume information: C:\Windows\Microsoft.NET\assembly\GAC_32\System.Data\v4.0_4.0.0.0__b77a5c561934e089\System.Data.dll VolumeInformation			Jump to behavior
Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe	Queries volume information: C:\Windows\Microsoft.NET\assembly\GAC_32\System.Data\v4.0_4.0.0.0__b77a5c561934e089\System.Data.dll VolumeInformation			Jump to behavior
Source: C:\Users\user\Desktop\wmaJOYGy7Q.exe	Queries volume information: C:\Windows\Microsoft.NET\assembly\GAC_32\System.Data\v4.0_4.0.0.0__b77a5c561934e089\System.Data.dll VolumeInformation			Jump to behavior
Source: C:\Users\user\Desktop\wmaJOYGy7Q.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\wmaJOYGy7Q.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\wmaJOYGy7Q.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

Queries the cryptographic machine GUID

Source: C:\Users\user\Desktop\wmaJOYGy7Q.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: 00000005.00000002.481468397.0000000000402000.00000040.00000001.sdmp, type: MEMORY
Source: Yara match	File source: 00000001.00000002.263955446.0000000003658000.00000004.00000001.sdmp, type: MEMORY
Source: Yara match	File source: 00000001.00000002.263784829.0000000003538000.00000004.00000001.sdmp, type: MEMORY
Source: Yara match	File source: 00000005.00000002.490199362.0000000005250000.00000004.00000001.sdmp, type: MEMORY
Source: Yara match	File source: 00000005.00000002.486898144.00000000039B9000.00000004.00000001.sdmp, type: MEMORY
Source: Yara match	File source: 00000001.00000002.264154236.0000000003756000.00000004.00000001.sdmp, type: MEMORY
Source: Yara match	File source: 00000005.00000002.484995497.0000000002971000.00000004.00000001.sdmp, type: MEMORY
Source: Yara match	File source: Process Memory Space: RegAsm.exe PID: 4764, type: MEMORY
Source: Yara match	File source: Process Memory Space: wmaJOYGy7Q.exe PID: 5344, type: MEMORY
Source: Yara match	File source: 5.2.RegAsm.exe.39c063c.5.raw.unpack, type: UNPACKEDPE
Source: Yara match	File source: 5.2.RegAsm.exe.5250000.8.raw.unpack, type: UNPACKEDPE
Source: Yara match	File source: 5.2.RegAsm.exe.39bb806.4.raw.unpack, type: UNPACKEDPE
Source: Yara match	File source: 1.2.wmaJOYGy7Q.exe.3756622.7.unpack, type: UNPACKEDPE
Source: Yara match	File source: 1.2.wmaJOYGy7Q.exe.37892e0.6.unpack, type: UNPACKEDPE
Source: Yara match	File source: 5.2.RegAsm.exe.400000.0.unpack, type: UNPACKEDPE
Source: Yara match	File source: 5.2.RegAsm.exe.39c4c65.3.raw.unpack, type: UNPACKEDPE
Source: Yara match	File source: 1.2.wmaJOYGy7Q.exe.368b2f2.3.unpack, type: UNPACKEDPE
Source: Yara match	File source: 1.2.wmaJOYGy7Q.exe.36f0ca2.5.unpack, type: UNPACKEDPE
Source: Yara match	File source: 1.2.wmaJOYGy7Q.exe.36f0ca2.5.raw.unpack, type: UNPACKEDPE
Source: Yara match	File source: 1.2.wmaJOYGy7Q.exe.37892e0.6.raw.unpack, type: UNPACKEDPE
Source: Yara match	File source: 5.2.RegAsm.exe.39c063c.5.unpack, type: UNPACKEDPE
Source: Yara match	File source: 1.2.wmaJOYGy7Q.exe.3539510.2.raw.unpack, type: UNPACKEDPE
Source: Yara match	File source: 5.2.RegAsm.exe.5250000.8.unpack, type: UNPACKEDPE
Source: Yara match	File source: 1.2.wmaJOYGy7Q.exe.368b2f2.3.raw.unpack, type: UNPACKEDPE
Source: Yara match	File source: 5.2.RegAsm.exe.5254629.9.raw.unpack, type: UNPACKEDPE
Source: Yara match	File source: 1.2.wmaJOYGy7Q.exe.36bdfd2.4.unpack, type: UNPACKEDPE
Source: Yara match	File source: 1.2.wmaJOYGy7Q.exe.36bdfd2.4.raw.unpack, type: UNPACKEDPE
Source: Yara match	File source: 1.2.wmaJOYGy7Q.exe.3756622.7.raw.unpack, type: UNPACKEDPE

Remote Access Functionality:

Detected Nanocore Rat

Source: wmaJOYGy7Q.exe, 00000001.00000002.263955446.0000000003658000.00000004.00000001.sdmp	String found in binary or memory: NanoCore.ClientPluginHost
Source: RegAsm.exe, 00000005.00000002.481468397.0000000000402000.00000040.00000001.sdmp	String found in binary or memory: NanoCore.ClientPluginHost
Source: RegAsm.exe, 00000005.00000002.486898144.00000000039B9000.00000004.00000001.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: 00000005.00000002.481468397.0000000000402000.00000040.00000001.sdmp, type: MEMORY
Source: Yara match	File source: 00000001.00000002.263955446.0000000003658000.00000004.00000001.sdmp, type: MEMORY
Source: Yara match	File source: 00000001.00000002.263784829.0000000003538000.00000004.00000001.sdmp, type: MEMORY
Source: Yara match	File source: 00000005.00000002.490199362.0000000005250000.00000004.00000001.sdmp, type: MEMORY
Source: Yara match	File source: 00000005.00000002.486898144.00000000039B9000.00000004.00000001.sdmp, type: MEMORY
Source: Yara match	File source: 00000001.00000002.264154236.0000000003756000.00000004.00000001.sdmp, type: MEMORY
Source: Yara match	File source: 00000005.00000002.484995497.0000000002971000.00000004.00000001.sdmp, type: MEMORY
Source: Yara match	File source: Process Memory Space: RegAsm.exe PID: 4764, type: MEMORY
Source: Yara match	File source: Process Memory Space: wmaJOYGy7Q.exe PID: 5344, type: MEMORY
Source: Yara match	File source: 5.2.RegAsm.exe.39c063c.5.raw.unpack, type: UNPACKEDPE
Source: Yara match	File source: 5.2.RegAsm.exe.5250000.8.raw.unpack, type: UNPACKEDPE
Source: Yara match	File source: 5.2.RegAsm.exe.39bb806.4.raw.unpack, type: UNPACKEDPE
Source: Yara match	File source: 1.2.wmaJOYGy7Q.exe.3756622.7.unpack, type: UNPACKEDPE
Source: Yara match	File source: 1.2.wmaJOYGy7Q.exe.37892e0.6.unpack, type: UNPACKEDPE
Source: Yara match	File source: 5.2.RegAsm.exe.400000.0.unpack, type: UNPACKEDPE
Source: Yara match	File source: 5.2.RegAsm.exe.39c4c65.3.raw.unpack, type: UNPACKEDPE
Source: Yara match	File source: 1.2.wmaJOYGy7Q.exe.368b2f2.3.unpack, type: UNPACKEDPE
Source: Yara match	File source: 1.2.wmaJOYGy7Q.exe.36f0ca2.5.unpack, type: UNPACKEDPE
Source: Yara match	File source: 1.2.wmaJOYGy7Q.exe.36f0ca2.5.raw.unpack, type: UNPACKEDPE
Source: Yara match	File source: 1.2.wmaJOYGy7Q.exe.37892e0.6.raw.unpack, type: UNPACKEDPE
Source: Yara match	File source: 5.2.RegAsm.exe.39c063c.5.unpack, type: UNPACKEDPE
Source: Yara match	File source: 1.2.wmaJOYGy7Q.exe.3539510.2.raw.unpack, type: UNPACKEDPE
Source: Yara match	File source: 5.2.RegAsm.exe.5250000.8.unpack, type: UNPACKEDPE
Source: Yara match	File source: 1.2.wmaJOYGy7Q.exe.368b2f2.3.raw.unpack, type: UNPACKEDPE
Source: Yara match	File source: 5.2.RegAsm.exe.5254629.9.raw.unpack, type: UNPACKEDPE
Source: Yara match	File source: 1.2.wmaJOYGy7Q.exe.36bdfd2.4.unpack, type: UNPACKEDPE
Source: Yara match	File source: 1.2.wmaJOYGy7Q.exe.36bdfd2.4.raw.unpack, type: UNPACKEDPE
Source: Yara match	File source: 1.2.wmaJOYGy7Q.exe.3756622.7.raw.unpack, type: UNPACKEDPE