General

  • Target
    AWB 3609 961.pdf.scr.exe
  • Size 752KB
  • Sample240703-gyrmss1bmc
  • SHA256 3a2922837d9ef526c8e44c93e84decbf93f9c0ba34a43241c1f77f9594f26dec
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • agenttesla

Credentials

Targets

    • Target
      AWB 3609 961.pdf.scr.exe
    • Size 752KB
    • SHA256 3a2922837d9ef526c8e44c93e84decbf93f9c0ba34a43241c1f77f9594f26dec
    • MD5 SHA1 SHA512 SSDEEP
    • AgentTesla

      Agent Tesla is a remote access tool (RAT) written in visual basic.

    • Command and Scripting Interpreter: PowerShell

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

    • 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 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.

    • Looks up external IP address via web service

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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks