General

  • Target
    _d41252ddc4fab7295681019cfb2f1c1e899e2f480c306bfad78b24c38165a807.exe
  • Size 3.6MB
  • Sample260622-s2bxases4w
  • SHA256 d41252ddc4fab7295681019cfb2f1c1e899e2f480c306bfad78b24c38165a807
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • siriusrat

C2
  • 135.136.141.43:4449

Targets

    • Target
      _d41252ddc4fab7295681019cfb2f1c1e899e2f480c306bfad78b24c38165a807.exe
    • Size 3.6MB
    • SHA256 d41252ddc4fab7295681019cfb2f1c1e899e2f480c306bfad78b24c38165a807
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Detects SiriusRAT

    • Family: SiriusRAT

      SiriusRAT is a Windows RAT written in C++ with HVNC, offline keylogging, and remote desktop capabilities.

    • Checks computer location settings

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

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • Reads user/profile data of web browsers

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

    • Accesses Microsoft Outlook profiles

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Looks up external IP address via web service

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

MITRE ATT&CK Enterprise v16

Tasks