General

  • Target
    0881d50ec07e04e73ed8db5ecf9490ecdaeec167e28d01eb22aeee4f1e77e396.arj
  • Size 637KB
  • Sample240604-bdl9paff4t
  • SHA256 0881d50ec07e04e73ed8db5ecf9490ecdaeec167e28d01eb22aeee4f1e77e396
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • agenttesla

Credentials

Targets

    • Target
      EA1205-24-25607 QUOATATION.exe
    • Size 698KB
    • SHA256 031c712370f6c655fdd1e11f2eecae2065106e3f6588415dd9dfb42914e557ec
    • MD5 SHA1 SHA512 SSDEEP
    • AgentTesla

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

    • Detect packed .NET executables. Mostly AgentTeslaV4.

    • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.

    • Detects executables referencing Windows vault credential objects. Observed in infostealers

    • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers

    • Detects executables referencing many email and collaboration clients. Observed in information stealers

    • Detects executables referencing many file transfer clients. Observed in information stealers

    • 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