Analysis Report faktura_POfk.exe

Overview

General Information

Sample Name: faktura_POfk.exe
Analysis ID: 392258
MD5: afc152f879700d92a9eefa03f5e455b9
SHA1: cf18af51aefaa2589a4a016ed6dfeba9f55737cc
SHA256: 389faf1c0ff21042f461a7780ada634cd612b8cf4876b3ed41a98e31c246858c
Tags: GuLoader
Infos:

Most interesting Screenshot:

Detection

AgentTesla GuLoader
Score: 100
Range: 0 - 100
Whitelisted: false
Confidence: 100%

Signatures

Found malware configuration
Multi AV Scanner detection for submitted file
Potential malicious icon found
Sigma detected: RegAsm connects to smtp port
Yara detected AgentTesla
Yara detected GuLoader
C2 URLs / IPs found in malware configuration
Detected RDTSC dummy instruction sequence (likely for instruction hammering)
Hides threads from debuggers
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Tries to detect Any.run
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to steal Mail credentials (via file access)
Writes to foreign memory regions
Checks if the current process is being debugged
Contains functionality for execution timing, often used to detect debuggers
Contains functionality to access loader functionality (e.g. LdrGetProcedureAddress)
Contains functionality to call native functions
Contains functionality to query CPU information (cpuid)
Contains functionality to read the PEB
Contains long sleeps (>= 3 min)
Creates a process in suspended mode (likely to inject code)
Detected TCP or UDP traffic on non-standard ports
Detected potential crypto function
Enables debug privileges
Found a high number of Window / User specific system calls (may be a loop to detect user behavior)
Internet Provider seen in connection with other malware
JA3 SSL client fingerprint seen in connection with other malware
May sleep (evasive loops) to hinder dynamic analysis
Monitors certain registry keys / values for changes (often done to protect autostart functionality)
PE file contains strange resources
Queries sensitive processor information (via WMI, Win32_Processor, often done to detect virtual machines)
Queries the volume information (name, serial number etc) of a device
Sample execution stops while process was sleeping (likely an evasion)
Sample file is different than original file name gathered from version info
Tries to load missing DLLs
Uses 32bit PE files
Uses SMTP (mail sending)
Uses code obfuscation techniques (call, push, ret)
Yara detected Credential Stealer

Classification

AV Detection:

barindex
Found malware configuration
Source: 00000003.00000002.467242209.0000000000B01000.00000040.00000001.sdmp Malware Configuration Extractor: GuLoader {"Payload URL": "https://drive.google.com/uc?export=download&id=163Z2wAbbuss9WV_lMGQhSMyvIRqk02oq", "Injection Process": ["RegAsm.exe", "RegSvcs.exe", "MSBuild.exe"]}
Source: RegAsm.exe.3704.3.memstr Malware Configuration Extractor: Agenttesla {"Username: ": "Kz6StgI", "URL: ": "https://kgxZr9SNdkYE806O36R.com", "To: ": "paulpogba4687@gmail.com", "ByHost: ": "mail.felgui.pt:587", "Password: ": "=0Ab7YuNYukAG7", "From: ": "anapereira@felgui.pt"}
Multi AV Scanner detection for submitted file
Source: faktura_POfk.exe Virustotal: Detection: 55% Perma Link
Source: faktura_POfk.exe Metadefender: Detection: 29% Perma Link
Source: faktura_POfk.exe ReversingLabs: Detection: 72%

Compliance:

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Uses 32bit PE files
Source: faktura_POfk.exe Static PE information: LOCAL_SYMS_STRIPPED, 32BIT_MACHINE, EXECUTABLE_IMAGE, LINE_NUMS_STRIPPED, RELOCS_STRIPPED
Source: unknown HTTPS traffic detected: 172.217.19.97:443 -> 192.168.2.3:49713 version: TLS 1.2

Networking:

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C2 URLs / IPs found in malware configuration
Source: Malware configuration extractor URLs: https://drive.google.com/uc?export=download&id=163Z2wAbbuss9WV_lMGQhSMyvIRqk02oq
Source: Malware configuration extractor URLs: https://kgxZr9SNdkYE806O36R.com
Detected TCP or UDP traffic on non-standard ports
Source: global traffic TCP traffic: 192.168.2.3:49753 -> 185.31.158.175:587
Internet Provider seen in connection with other malware
Source: Joe Sandbox View ASN Name: ONILisbonPortugalPT ONILisbonPortugalPT
JA3 SSL client fingerprint seen in connection with other malware
Source: Joe Sandbox View JA3 fingerprint: 37f463bf4616ecd445d4a1937da06e19
Uses SMTP (mail sending)
Source: global traffic TCP traffic: 192.168.2.3:49753 -> 185.31.158.175:587
Source: unknown DNS traffic detected: queries for: doc-0s-7c-docs.googleusercontent.com
Source: RegAsm.exe, 00000003.00000002.475025452.000000001D6A1000.00000004.00000001.sdmp String found in binary or memory: http://127.0.0.1:HTTP/1.1
Source: RegAsm.exe, 00000003.00000002.475025452.000000001D6A1000.00000004.00000001.sdmp String found in binary or memory: http://DynDns.comDynDNS
Source: RegAsm.exe, 00000003.00000002.475025452.000000001D6A1000.00000004.00000001.sdmp String found in binary or memory: http://UugnHJ.com
Source: RegAsm.exe, 00000003.00000002.466981864.0000000000A85000.00000004.00000001.sdmp String found in binary or memory: http://crl.comodoca.com/AAACertificateServices.crl04
Source: RegAsm.exe, 00000003.00000002.466981864.0000000000A85000.00000004.00000001.sdmp String found in binary or memory: http://crl.comodoca.com/AAACertificateServices.crl06
Source: RegAsm.exe, 00000003.00000002.466981864.0000000000A85000.00000004.00000001.sdmp String found in binary or memory: http://crl.comodoca.com/COMODORSACertificationAuthority.crl0q
Source: RegAsm.exe, 00000003.00000002.466981864.0000000000A85000.00000004.00000001.sdmp String found in binary or memory: http://crl.comodoca.com/cPanelIncCertificationAuthority.crl0
Source: RegAsm.exe, 00000003.00000002.475681369.000000001D957000.00000004.00000001.sdmp String found in binary or memory: http://felgui.pt
Source: RegAsm.exe, 00000003.00000002.475681369.000000001D957000.00000004.00000001.sdmp String found in binary or memory: http://mail.felgui.pt
Source: RegAsm.exe, 00000003.00000002.466981864.0000000000A85000.00000004.00000001.sdmp String found in binary or memory: http://ocsp.comodoca.com0
Source: RegAsm.exe String found in binary or memory: https://drive.google.com/uc?export=download&id=163Z2wAbbuss9WV_lMGQhSMyvIRqk02oq
Source: RegAsm.exe, 00000003.00000002.467242209.0000000000B01000.00000040.00000001.sdmp String found in binary or memory: https://drive.google.com/uc?export=download&id=163Z2wAbbuss9WV_lMGQhSMyvIRqk02oq8
Source: RegAsm.exe, 00000003.00000002.475025452.000000001D6A1000.00000004.00000001.sdmp String found in binary or memory: https://kgxZr9SNdkYE806O36R.com
Source: RegAsm.exe, 00000003.00000002.466981864.0000000000A85000.00000004.00000001.sdmp String found in binary or memory: https://sectigo.com/CPS0
Source: RegAsm.exe, 00000003.00000002.475025452.000000001D6A1000.00000004.00000001.sdmp String found in binary or memory: https://www.theonionrouter.com/dist.torproject.org/torbrowser/9.5.3/tor-win32-0.4.3.6.zip%tordir%%ha
Source: unknown Network traffic detected: HTTP traffic on port 49713 -> 443
Source: unknown Network traffic detected: HTTP traffic on port 443 -> 49713
Source: unknown HTTPS traffic detected: 172.217.19.97:443 -> 192.168.2.3:49713 version: TLS 1.2

System Summary:

barindex
Potential malicious icon found
Source: initial sample Icon embedded in PE file: bad icon match: 20047c7c70f0e004
Contains functionality to call native functions
Source: C:\Users\user\Desktop\faktura_POfk.exe Code function: 0_2_020C36A5 NtResumeThread, 0_2_020C36A5
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 3_2_00B036A5 NtQueryInformationProcess, 3_2_00B036A5
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 3_2_00B03260 NtProtectVirtualMemory, 3_2_00B03260
Detected potential crypto function
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 3_2_1C8BC8F8 3_2_1C8BC8F8
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 3_2_1C8B2D50 3_2_1C8B2D50
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 3_2_1C8B2618 3_2_1C8B2618
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 3_2_1C8B1FE0 3_2_1C8B1FE0
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 3_2_1C8BAB70 3_2_1C8BAB70
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 3_2_1C945DB8 3_2_1C945DB8
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 3_2_1C940114 3_2_1C940114
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 3_2_1C94C2F8 3_2_1C94C2F8
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 3_2_1C946ECB 3_2_1C946ECB
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 3_2_1C946F78 3_2_1C946F78
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 3_2_1C97A860 3_2_1C97A860
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 3_2_1C97C1B0 3_2_1C97C1B0
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 3_2_1C97691A 3_2_1C97691A
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 3_2_1C97BA08 3_2_1C97BA08
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 3_2_1C972FD4 3_2_1C972FD4
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 3_2_1C97A058 3_2_1C97A058
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 3_2_1C994E60 3_2_1C994E60
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 3_2_1C996580 3_2_1C996580
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 3_2_1C99B0E8 3_2_1C99B0E8
PE file contains strange resources
Source: faktura_POfk.exe Static PE information: Resource name: RT_ICON type: GLS_BINARY_LSB_FIRST
Sample file is different than original file name gathered from version info
Source: faktura_POfk.exe, 00000000.00000002.249424652.0000000002090000.00000002.00000001.sdmp Binary or memory string: OriginalFilenameuser32j% vs faktura_POfk.exe
Source: faktura_POfk.exe, 00000000.00000002.249171582.0000000000412000.00000002.00020000.sdmp Binary or memory string: OriginalFilenameHidings1.exe vs faktura_POfk.exe
Source: faktura_POfk.exe, 00000000.00000002.250122095.0000000002970000.00000004.00000001.sdmp Binary or memory string: OriginalFilenameHidings1.exeFE2XADP vs faktura_POfk.exe
Source: faktura_POfk.exe Binary or memory string: OriginalFilenameHidings1.exe vs faktura_POfk.exe
Tries to load missing DLLs
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Section loaded: sfc.dll Jump to behavior
Uses 32bit PE files
Source: faktura_POfk.exe Static PE information: LOCAL_SYMS_STRIPPED, 32BIT_MACHINE, EXECUTABLE_IMAGE, LINE_NUMS_STRIPPED, RELOCS_STRIPPED
Source: classification engine Classification label: mal100.rans.troj.spyw.evad.winEXE@6/1@3/2
Source: C:\Windows\System32\conhost.exe Mutant created: \Sessions\1\BaseNamedObjects\Local\SM0:1092:120:WilError_01
Source: faktura_POfk.exe Static PE information: Section: .text IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_READ
Source: C:\Users\user\Desktop\faktura_POfk.exe Section loaded: C:\Windows\SysWOW64\msvbvm60.dll Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Section loaded: C:\Windows\assembly\NativeImages_v4.0.30319_32\mscorlib\a152fe02a317a77aeee36903305e8ba6\mscorlib.ni.dll Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe WMI Queries: IWbemServices::CreateInstanceEnum - root\cimv2 : Win32_Processor
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe WMI Queries: IWbemServices::ExecQuery - root\cimv2 : SELECT * FROM Win32_Processor
Source: C:\Users\user\Desktop\faktura_POfk.exe Key opened: HKEY_CURRENT_USER\Software\Policies\Microsoft\Windows\Safer\CodeIdentifiers Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe File read: C:\Windows\System32\drivers\etc\hosts Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe File read: C:\Windows\System32\drivers\etc\hosts Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe File read: C:\Windows\System32\drivers\etc\hosts Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe File read: C:\Windows\System32\drivers\etc\hosts Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe File read: C:\Windows\System32\drivers\etc\hosts Jump to behavior
Source: faktura_POfk.exe Virustotal: Detection: 55%
Source: faktura_POfk.exe Metadefender: Detection: 29%
Source: faktura_POfk.exe ReversingLabs: Detection: 72%
Source: unknown Process created: C:\Users\user\Desktop\faktura_POfk.exe 'C:\Users\user\Desktop\faktura_POfk.exe'
Source: C:\Users\user\Desktop\faktura_POfk.exe Process created: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe 'C:\Users\user\Desktop\faktura_POfk.exe'
Source: C:\Users\user\Desktop\faktura_POfk.exe Process created: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe 'C:\Users\user\Desktop\faktura_POfk.exe'
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process created: C:\Windows\System32\conhost.exe C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
Source: C:\Users\user\Desktop\faktura_POfk.exe Process created: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe 'C:\Users\user\Desktop\faktura_POfk.exe' Jump to behavior
Source: C:\Users\user\Desktop\faktura_POfk.exe Process created: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe 'C:\Users\user\Desktop\faktura_POfk.exe' Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Key value queried: HKEY_LOCAL_MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CF4CC405-E2C5-4DDD-B3CE-5E7582D8C9FA}\InprocServer32 Jump to behavior
Source: Window Recorder Window detected: More than 3 window changes detected
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe File opened: C:\Windows\Microsoft.NET\Framework\v4.0.30319\mscorrc.dll Jump to behavior

Data Obfuscation:

barindex
Yara detected GuLoader
Source: Yara match File source: 00000003.00000002.467242209.0000000000B01000.00000040.00000001.sdmp, type: MEMORY
Source: Yara match File source: Process Memory Space: RegAsm.exe PID: 3704, type: MEMORY
Uses code obfuscation techniques (call, push, ret)
Source: C:\Users\user\Desktop\faktura_POfk.exe Code function: 0_2_00406C7A push ss; iretd 0_2_00406CC0
Source: C:\Users\user\Desktop\faktura_POfk.exe Code function: 0_2_00405B9B pushad ; iretd 0_2_00405B9C
Source: C:\Users\user\Desktop\faktura_POfk.exe Code function: 0_2_020C0022 push esp; ret 0_2_020C0023
Source: C:\Users\user\Desktop\faktura_POfk.exe Code function: 0_2_020C305F push ecx; ret 0_2_020C3060
Source: C:\Users\user\Desktop\faktura_POfk.exe Code function: 0_2_020C1CD7 push edi; iretd 0_2_020C1CD9
Source: C:\Users\user\Desktop\faktura_POfk.exe Code function: 0_2_020C1F03 push 5CE4906Ch; retf 0_2_020C1F10
Source: C:\Users\user\Desktop\faktura_POfk.exe Code function: 0_2_020C355F push ebp; retf 0_2_020C356E
Source: C:\Users\user\Desktop\faktura_POfk.exe Code function: 0_2_020C0981 push ds; iretd 0_2_020C0A0E
Source: C:\Users\user\Desktop\faktura_POfk.exe Code function: 0_2_020C13C3 push cs; ret 0_2_020C13C4
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 3_2_1C8B7A37 push edi; retn 0000h 3_2_1C8B7A39
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 3_2_1C9494D4 push esi; iretd 3_2_1C9494D5
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 3_2_1C94D09A push ss; iretd 3_2_1C94D09C
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 3_2_1C94D0A2 push ss; iretd 3_2_1C94D0A7
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 3_2_1C990DD0 push 3C1C98CBh; retf 3_2_1C990DD5

Hooking and other Techniques for Hiding and Protection:

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Monitors certain registry keys / values for changes (often done to protect autostart functionality)
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Registry key monitored for changes: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\AutoUpdate Jump to behavior
Source: C:\Users\user\Desktop\faktura_POfk.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\faktura_POfk.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\faktura_POfk.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\conhost.exe Process information set: NOOPENFILEERRORBOX Jump to behavior

Malware Analysis System Evasion:

barindex
Detected RDTSC dummy instruction sequence (likely for instruction hammering)
Source: C:\Users\user\Desktop\faktura_POfk.exe RDTSC instruction interceptor: First address: 00000000020C1897 second address: 00000000020C1897 instructions: 0x00000000 rdtsc 0x00000002 xor eax, eax 0x00000004 inc eax 0x00000005 cpuid 0x00000007 popad 0x00000008 call 00007FA9E8A0E888h 0x0000000d lfence 0x00000010 mov edx, dword ptr [7FFE0014h] 0x00000016 lfence 0x00000019 ret 0x0000001a sub edx, esi 0x0000001c ret 0x0000001d pop ecx 0x0000001e test dx, bx 0x00000021 add edi, edx 0x00000023 dec ecx 0x00000024 cmp ecx, 00000000h 0x00000027 jne 00007FA9E8A0E85Ch 0x00000029 push ecx 0x0000002a pushad 0x0000002b mov dx, 901Ch 0x0000002f cmp dx, 901Ch 0x00000034 jne 00007FA9E8A0D24Fh 0x0000003a popad 0x0000003b test dx, ax 0x0000003e call 00007FA9E8A0E89Eh 0x00000043 call 00007FA9E8A0E898h 0x00000048 lfence 0x0000004b mov edx, dword ptr [7FFE0014h] 0x00000051 lfence 0x00000054 ret 0x00000055 mov esi, edx 0x00000057 pushad 0x00000058 rdtsc
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe WMI Queries: IWbemServices::CreateInstanceEnum - root\cimv2 : Win32_BaseBoard
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe WMI Queries: IWbemServices::CreateInstanceEnum - root\cimv2 : Win32_NetworkAdapterConfiguration
Tries to detect Any.run
Source: C:\Users\user\Desktop\faktura_POfk.exe File opened: C:\Program Files\Qemu-ga\qemu-ga.exe Jump to behavior
Source: C:\Users\user\Desktop\faktura_POfk.exe File opened: C:\Program Files\qga\qga.exe Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe File opened: C:\Program Files\Qemu-ga\qemu-ga.exe Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe File opened: C:\Program Files\qga\qga.exe Jump to behavior
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Source: RegAsm.exe, 00000003.00000002.467242209.0000000000B01000.00000040.00000001.sdmp Binary or memory string: C:\PROGRAM FILES\QEMU-GA\QEMU-GA.EXE`
Source: RegAsm.exe Binary or memory string: C:\PROGRAM FILES\QEMU-GA\QEMU-GA.EXE
Tries to detect virtualization through RDTSC time measurements
Source: C:\Users\user\Desktop\faktura_POfk.exe RDTSC instruction interceptor: First address: 00000000020C1897 second address: 00000000020C1897 instructions: 0x00000000 rdtsc 0x00000002 xor eax, eax 0x00000004 inc eax 0x00000005 cpuid 0x00000007 popad 0x00000008 call 00007FA9E8A0E888h 0x0000000d lfence 0x00000010 mov edx, dword ptr [7FFE0014h] 0x00000016 lfence 0x00000019 ret 0x0000001a sub edx, esi 0x0000001c ret 0x0000001d pop ecx 0x0000001e test dx, bx 0x00000021 add edi, edx 0x00000023 dec ecx 0x00000024 cmp ecx, 00000000h 0x00000027 jne 00007FA9E8A0E85Ch 0x00000029 push ecx 0x0000002a pushad 0x0000002b mov dx, 901Ch 0x0000002f cmp dx, 901Ch 0x00000034 jne 00007FA9E8A0D24Fh 0x0000003a popad 0x0000003b test dx, ax 0x0000003e call 00007FA9E8A0E89Eh 0x00000043 call 00007FA9E8A0E898h 0x00000048 lfence 0x0000004b mov edx, dword ptr [7FFE0014h] 0x00000051 lfence 0x00000054 ret 0x00000055 mov esi, edx 0x00000057 pushad 0x00000058 rdtsc
Source: C:\Users\user\Desktop\faktura_POfk.exe RDTSC instruction interceptor: First address: 00000000020C1971 second address: 00000000020C1971 instructions: 0x00000000 rdtsc 0x00000002 lfence 0x00000005 shl edx, 20h 0x00000008 or edx, eax 0x0000000a ret 0x0000000b mov esi, edx 0x0000000d pushad 0x0000000e xor eax, eax 0x00000010 inc eax 0x00000011 cpuid 0x00000013 bt ecx, 1Fh 0x00000017 jc 00007FA9E88745D9h 0x0000001d popad 0x0000001e call 00007FA9E88733A6h 0x00000023 lfence 0x00000026 rdtsc
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe RDTSC instruction interceptor: First address: 0000000000B01971 second address: 0000000000B01971 instructions: 0x00000000 rdtsc 0x00000002 lfence 0x00000005 shl edx, 20h 0x00000008 or edx, eax 0x0000000a ret 0x0000000b mov esi, edx 0x0000000d pushad 0x0000000e xor eax, eax 0x00000010 inc eax 0x00000011 cpuid 0x00000013 bt ecx, 1Fh 0x00000017 jc 00007FA9E8A0FAD9h 0x0000001d popad 0x0000001e call 00007FA9E8A0E8A6h 0x00000023 lfence 0x00000026 rdtsc
Contains functionality for execution timing, often used to detect debuggers
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 3_2_00B01DBC rdtsc 3_2_00B01DBC
Contains long sleeps (>= 3 min)
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\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:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Window / User API: threadDelayed 3983 Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Window / User API: threadDelayed 5779 Jump to behavior
May sleep (evasive loops) to hinder dynamic analysis
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe TID: 4672 Thread sleep time: -22136092888451448s >= -30000s Jump to behavior
Queries sensitive processor information (via WMI, Win32_Processor, often done to detect virtual machines)
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe WMI Queries: IWbemServices::CreateInstanceEnum - root\cimv2 : Win32_Processor
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe WMI Queries: IWbemServices::ExecQuery - root\cimv2 : SELECT * FROM Win32_Processor
Sample execution stops while process was sleeping (likely an evasion)
Source: C:\Windows\System32\conhost.exe Last function: Thread delayed
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Thread delayed: delay time: 922337203685477 Jump to behavior
Source: RegAsm.exe, 00000003.00000002.467242209.0000000000B01000.00000040.00000001.sdmp Binary or memory string: C:\Program Files\Qemu-ga\qemu-ga.exe`
Source: RegAsm.exe Binary or memory string: C:\Program Files\Qemu-ga\qemu-ga.exe
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information queried: ProcessInformation Jump to behavior

Anti Debugging:

barindex
Hides threads from debuggers
Source: C:\Users\user\Desktop\faktura_POfk.exe Thread information set: HideFromDebugger Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Thread information set: HideFromDebugger Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Thread information set: HideFromDebugger Jump to behavior
Checks if the current process is being debugged
Source: C:\Users\user\Desktop\faktura_POfk.exe Process queried: DebugPort Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process queried: DebugPort Jump to behavior
Contains functionality for execution timing, often used to detect debuggers
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 3_2_00B01DBC rdtsc 3_2_00B01DBC
Contains functionality to access loader functionality (e.g. LdrGetProcedureAddress)
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 3_2_00B01BBB LdrInitializeThunk, 3_2_00B01BBB
Contains functionality to read the PEB
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 3_2_00B027FF mov eax, dword ptr fs:[00000030h] 3_2_00B027FF
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 3_2_00B017C4 mov eax, dword ptr fs:[00000030h] 3_2_00B017C4
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 3_2_00B02A12 mov eax, dword ptr fs:[00000030h] 3_2_00B02A12
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 3_2_00B02E5F mov eax, dword ptr fs:[00000030h] 3_2_00B02E5F
Enables debug privileges
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process token adjusted: Debug Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Memory allocated: page read and write | page guard Jump to behavior

HIPS / PFW / Operating System Protection Evasion:

barindex
Writes to foreign memory regions
Source: C:\Users\user\Desktop\faktura_POfk.exe Memory written: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe base: B00000 Jump to behavior
Creates a process in suspended mode (likely to inject code)
Source: C:\Users\user\Desktop\faktura_POfk.exe Process created: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe 'C:\Users\user\Desktop\faktura_POfk.exe' Jump to behavior
Source: C:\Users\user\Desktop\faktura_POfk.exe Process created: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe 'C:\Users\user\Desktop\faktura_POfk.exe' Jump to behavior
Source: RegAsm.exe, 00000003.00000002.468271202.0000000001250000.00000002.00000001.sdmp Binary or memory string: Program Manager
Source: RegAsm.exe, 00000003.00000002.468271202.0000000001250000.00000002.00000001.sdmp Binary or memory string: Shell_TrayWnd
Source: RegAsm.exe, 00000003.00000002.468271202.0000000001250000.00000002.00000001.sdmp Binary or memory string: Progman
Source: RegAsm.exe, 00000003.00000002.468271202.0000000001250000.00000002.00000001.sdmp Binary or memory string: Progmanlock

Language, Device and Operating System Detection:

barindex
Contains functionality to query CPU information (cpuid)
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 3_2_00B02A90 cpuid 3_2_00B02A90
Queries the volume information (name, serial number etc) of a device
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Queries volume information: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe VolumeInformation Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\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:\Windows\Microsoft.NET\Framework\v4.0.30319\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:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Queries volume information: C:\Windows\Microsoft.NET\assembly\GAC_32\CustomMarshalers\v4.0_4.0.0.0__b03f5f7f11d50a3a\CustomMarshalers.dll VolumeInformation Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Queries volume information: C:\Windows\Microsoft.NET\assembly\GAC_32\CustomMarshalers\v4.0_4.0.0.0__b03f5f7f11d50a3a\CustomMarshalers.dll VolumeInformation Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Queries volume information: C:\Windows\Microsoft.NET\assembly\GAC_32\CustomMarshalers\v4.0_4.0.0.0__b03f5f7f11d50a3a\CustomMarshalers.dll VolumeInformation Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.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:\Windows\Microsoft.NET\Framework\v4.0.30319\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:\Windows\Microsoft.NET\Framework\v4.0.30319\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:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Key value queried: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Cryptography MachineGuid Jump to behavior

Stealing of Sensitive Information:

barindex
Yara detected AgentTesla
Source: Yara match File source: 00000003.00000002.475025452.000000001D6A1000.00000004.00000001.sdmp, type: MEMORY
Source: Yara match File source: Process Memory Space: RegAsm.exe PID: 3704, type: MEMORY
Tries to harvest and steal browser information (history, passwords, etc)
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe File opened: C:\Users\user\AppData\Roaming\Mozilla\Firefox\profiles.ini Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe File opened: C:\Users\user\AppData\Local\Google\Chrome\User Data\Default\Login Data Jump to behavior
Tries to harvest and steal ftp login credentials
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe File opened: C:\Users\user\AppData\Roaming\SmartFTP\Client 2.0\Favorites\Quick Connect\ Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe File opened: C:\Users\user\AppData\Roaming\FileZilla\recentservers.xml Jump to behavior
Tries to steal Mail credentials (via file access)
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe File opened: C:\Users\user\AppData\Roaming\Thunderbird\profiles.ini Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe File opened: C:\Users\user\AppData\Roaming\Thunderbird\profiles.ini Jump to behavior
Yara detected Credential Stealer
Source: Yara match File source: 00000003.00000002.475025452.000000001D6A1000.00000004.00000001.sdmp, type: MEMORY
Source: Yara match File source: Process Memory Space: RegAsm.exe PID: 3704, type: MEMORY

Remote Access Functionality:

barindex
Yara detected AgentTesla
Source: Yara match File source: 00000003.00000002.475025452.000000001D6A1000.00000004.00000001.sdmp, type: MEMORY
Source: Yara match File source: Process Memory Space: RegAsm.exe PID: 3704, type: MEMORY
windows-stand
Hide Legend

Legend:

  • Process
  • Signature
  • Created File
  • DNS/IP Info
  • Is Dropped
  • Is Windows Process
  • Number of created Registry Values
  • Number of created Files
  • Visual Basic
  • Delphi
  • Java
  • .Net C# or VB.NET
  • C, C++ or other language
  • Is malicious
  • Internet
behaviorgraph top1 signatures2 2 Behavior Graph ID: 392258 Sample: faktura_POfk.exe Startdate: 19/04/2021 Architecture: WINDOWS Score: 100 24 Potential malicious icon found 2->24 26 Found malware configuration 2->26 28 Multi AV Scanner detection for submitted file 2->28 30 5 other signatures 2->30 7 faktura_POfk.exe 2->7         started        process3 signatures4 32 Writes to foreign memory regions 7->32 34 Detected RDTSC dummy instruction sequence (likely for instruction hammering) 7->34 36 Tries to detect Any.run 7->36 38 2 other signatures 7->38 10 RegAsm.exe 9 7->10         started        14 RegAsm.exe 7->14         started        process5 dnsIp6 18 felgui.pt 185.31.158.175, 49753, 587 ONILisbonPortugalPT Portugal 10->18 20 mail.felgui.pt 10->20 22 2 other IPs or domains 10->22 40 Tries to steal Mail credentials (via file access) 10->40 42 Tries to harvest and steal ftp login credentials 10->42 44 Tries to harvest and steal browser information (history, passwords, etc) 10->44 52 2 other signatures 10->52 16 conhost.exe 10->16         started        46 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 14->46 48 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 14->48 50 Tries to detect virtualization through RDTSC time measurements 14->50 signatures7 process8
  • No. of IPs < 25%
  • 25% < No. of IPs < 50%
  • 50% < No. of IPs < 75%
  • 75% < No. of IPs

Contacted Public IPs

IP Domain Country Flag ASN ASN Name Malicious
172.217.19.97
 googlehosted.l.googleusercontent.com United States
15169 GOOGLEUS false
185.31.158.175
 felgui.pt Portugal
9186 ONILisbonPortugalPT true

Contacted Domains

Name IP Active
felgui.pt 185.31.158.175 true
googlehosted.l.googleusercontent.com 172.217.19.97 true
mail.felgui.pt unknown unknown
doc-0s-7c-docs.googleusercontent.com unknown unknown

Contacted URLs

Name Malicious Antivirus Detection Reputation
https://kgxZr9SNdkYE806O36R.com true
  • Avira URL Cloud: safe
 unknown