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Analysis

  • max time kernel
    144s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/02/2023, 18:30

General

  • Target

    Profoma Invoice.exe

  • Size

    301KB

  • MD5

    07a7565fcf8ba9b08b5e83e94489e4b1

  • SHA1

    8cee31beae3baabf4c1e71a114a3b2623c798ca8

  • SHA256

    7b5951f5bf8b74c9e9f377c59ad305a671735c9f7c6cf9f3def654c5989619ec

  • SHA512

    3f2e0a04c995d7e0a209fda8ce908b83415244259195ee7fde2acdce9c8a7cb37509503a61e2f46cc6c40db44144b79461960dc670c9d60b474e63f00eea3e9b

  • SSDEEP

    6144:4e9Z6dubKLoGWi3xCeLy4Im5Q1FoFVjOMix6S2:f6dubKLoxeGnRklhTS

Malware Config

Extracted

Family

snakekeylogger

Credentials
C2

https://api.telegram.org/bot6192832133:AAF7C5Hu2cAny_oozlOAGw_7DWfvYVumEbE/sendMessage?chat_id=2021395706

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 1 IoCs
  • Disables Task Manager via registry modification
  • Drops startup file 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Profoma Invoice.exe
    "C:\Users\Admin\AppData\Local\Temp\Profoma Invoice.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:5064
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe
      "Powershell.exe" -ExecutionPolicy Bypass -command Copy-Item 'C:\Users\Admin\AppData\Local\Temp\Profoma Invoice.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\pdf.exe'
      2⤵
      • Drops startup file
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1492
    • C:\Users\Admin\AppData\Local\Temp\Profoma Invoice.exe
      "C:\Users\Admin\AppData\Local\Temp\Profoma Invoice.exe"
      2⤵
      • Executes dropped EXE
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:4680

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\Profoma Invoice.exe

    Filesize

    301KB

    MD5

    07a7565fcf8ba9b08b5e83e94489e4b1

    SHA1

    8cee31beae3baabf4c1e71a114a3b2623c798ca8

    SHA256

    7b5951f5bf8b74c9e9f377c59ad305a671735c9f7c6cf9f3def654c5989619ec

    SHA512

    3f2e0a04c995d7e0a209fda8ce908b83415244259195ee7fde2acdce9c8a7cb37509503a61e2f46cc6c40db44144b79461960dc670c9d60b474e63f00eea3e9b

  • memory/1492-146-0x00000000075E0000-0x0000000007676000-memory.dmp

    Filesize

    600KB

  • memory/1492-148-0x0000000006B40000-0x0000000006B62000-memory.dmp

    Filesize

    136KB

  • memory/1492-147-0x0000000006AC0000-0x0000000006ADA000-memory.dmp

    Filesize

    104KB

  • memory/1492-137-0x0000000002CA0000-0x0000000002CD6000-memory.dmp

    Filesize

    216KB

  • memory/1492-138-0x0000000005890000-0x0000000005EB8000-memory.dmp

    Filesize

    6.2MB

  • memory/1492-139-0x0000000005730000-0x0000000005752000-memory.dmp

    Filesize

    136KB

  • memory/1492-140-0x00000000057D0000-0x0000000005836000-memory.dmp

    Filesize

    408KB

  • memory/1492-145-0x0000000005390000-0x00000000053AE000-memory.dmp

    Filesize

    120KB

  • memory/1492-141-0x0000000005FB0000-0x0000000006016000-memory.dmp

    Filesize

    408KB

  • memory/4680-143-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/4680-149-0x0000000006970000-0x0000000006B32000-memory.dmp

    Filesize

    1.8MB

  • memory/4680-150-0x00000000066D0000-0x00000000066DA000-memory.dmp

    Filesize

    40KB

  • memory/5064-133-0x0000000005260000-0x0000000005804000-memory.dmp

    Filesize

    5.6MB

  • memory/5064-134-0x0000000004D50000-0x0000000004DE2000-memory.dmp

    Filesize

    584KB

  • memory/5064-132-0x0000000000340000-0x0000000000390000-memory.dmp

    Filesize

    320KB

  • memory/5064-135-0x0000000004EF0000-0x0000000004F8C000-memory.dmp

    Filesize

    624KB