General

  • Target
    GRAINS.vbs
  • Size 2.2MB
  • Sample241115-tym1tswpfx
  • SHA256 929fbee164997ce91edddfa6eae72cad7afd11955480d2582bfdc964505ccea2
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • agenttesla

Credentials

Targets

    • Target
      GRAINS.vbs
    • Size 2.2MB
    • SHA256 929fbee164997ce91edddfa6eae72cad7afd11955480d2582bfdc964505ccea2
    • MD5 SHA1 SHA512 SSDEEP
    • AgentTesla

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

    • Agenttesla family

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • 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