General

  • Target
    inquiry EBS# 82785.exe
  • Size 670KB
  • Sample240531-xbrbhsaa23
  • SHA256 4f6463b100f7812cc3d70de6abf38bd48290132ed93bc275fcedc5ef7571ff59
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • agenttesla

Credentials

Targets

    • Target
      inquiry EBS# 82785.exe
    • Size 670KB
    • SHA256 4f6463b100f7812cc3d70de6abf38bd48290132ed93bc275fcedc5ef7571ff59
    • 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.

    • 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