General

  • Target
    factura.pdf.exe
  • Size 687KB
  • Sample251105-jmaagsyncx
  • SHA256 3b58ece6a12f3fb6798bb73e6109decd2c8901962dc0db9d0cf22a13b87b21b8
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • snakekeylogger

C2
  • https://api.telegram.org/bot8248432977:AAGUzfwTYQOdpFzylKkMVaWWzVDUza8CSEE/sendMessage?chat_id=5769492467

Targets

    • Target
      factura.pdf.exe
    • Size 687KB
    • SHA256 3b58ece6a12f3fb6798bb73e6109decd2c8901962dc0db9d0cf22a13b87b21b8
    • MD5 SHA1 SHA512 SSDEEP
    • Modifies Windows Defender DisableAntiSpyware settings

    • Snake Keylogger

      Keylogger and Infostealer first seen in November 2020.

    • Snake Keylogger payload

    • Snakekeylogger family

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Disables RegEdit via registry modification

    • Disables Task Manager via registry modification

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Reads user/profile data of local email clients

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

    • Reads user/profile data of web browsers

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

    • Accesses Microsoft Outlook profiles

    • Looks up external IP address via web service

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

    • SmartAssembly .NET packer

      Detects SmartAssembly .NET packer.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v16

Tasks