General

  • Target
    SecuriteInfo.com.Trojan.Siggen32.45684.3076.18531.exe
  • Size 2.1MB
  • Sample260622-3s7mqag12k
  • SHA256 d58de1bcb41688adbb8967b0c5ba83b5c5beae7de4c9fe1b24382db7902c19f1
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • siriusrat

C2
  • 135.136.141.43:4449

Targets

    • Target
      SecuriteInfo.com.Trojan.Siggen32.45684.3076.18531.exe
    • Size 2.1MB
    • SHA256 d58de1bcb41688adbb8967b0c5ba83b5c5beae7de4c9fe1b24382db7902c19f1
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • 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.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • 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