General

  • Target
    BKG#SGN2106728.PDF.rar
  • Size 842KB
  • Sample240418-ltdbtsah2z
  • SHA256 5e8af6bd3e7166efdcb8e65ce8b6fb997b77f5bdebfca4a897ed7d78f474615e
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • agenttesla

Credentials

Targets

    • Target
      BKG#SGN2106728.PDF.exe
    • Size 880KB
    • SHA256 cb06339a87bdd6284086a97545c32dc8a3eb3701c7642543e7c327d0539005f9
    • MD5 SHA1 SHA512 SSDEEP
    • AgentTesla

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

    • 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 data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • 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.

    • Adds Run key to start application

    • 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