General

  • Target

    8e7a5f13e7cc6110d9cfc68bd932fb48a92984550582f11614f461189b783598

  • Size

    678KB

  • Sample

    240523-clm2maac23

  • MD5

    027af2711f9ac25642b5d35a4e0491f4

  • SHA1

    447839ee8142d51c63b67f27e7a057fa47fe9099

  • SHA256

    8e7a5f13e7cc6110d9cfc68bd932fb48a92984550582f11614f461189b783598

  • SHA512

    e1fef4c8d46ed385f8c41a7742f7ec35cfb57d5d209b2c401e1abd52dfec6db66ecc64a454770b924b801a7fa355f022030bb6c60f12f2853f8c8c72ef464981

  • SSDEEP

    12288:XgueWFm+HPlfi1CEZTiHsAVTXgzMX5UZNs8qs38FUCvgP1WM:LRFm+HdfbsyXQMXGUFAh

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6819366124:AAFmt8iHeyL-Gkq1Ms_U4l51RW3zg-Mopn8/

Targets

    • Target

      8e7a5f13e7cc6110d9cfc68bd932fb48a92984550582f11614f461189b783598

    • Size

      678KB

    • MD5

      027af2711f9ac25642b5d35a4e0491f4

    • SHA1

      447839ee8142d51c63b67f27e7a057fa47fe9099

    • SHA256

      8e7a5f13e7cc6110d9cfc68bd932fb48a92984550582f11614f461189b783598

    • SHA512

      e1fef4c8d46ed385f8c41a7742f7ec35cfb57d5d209b2c401e1abd52dfec6db66ecc64a454770b924b801a7fa355f022030bb6c60f12f2853f8c8c72ef464981

    • SSDEEP

      12288:XgueWFm+HPlfi1CEZTiHsAVTXgzMX5UZNs8qs38FUCvgP1WM:LRFm+HdfbsyXQMXGUFAh

    • 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 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