General

  • Target

    de5c622cfe7d68e938956a51427387824c7b6835ce556c2e0d82dc957ac2efe5

  • Size

    889KB

  • Sample

    241122-bw7cks1pa1

  • MD5

    9bec01344238221e7fa48083ecb7339e

  • SHA1

    eb592b4892e0217f0893a6f3556bea78abdb51b8

  • SHA256

    de5c622cfe7d68e938956a51427387824c7b6835ce556c2e0d82dc957ac2efe5

  • SHA512

    f7aaf35ebf91e42742993371ae6001997beb87cca44a0bf8320ba8555eee93f5bc3c2bac489d8b08373d3b04fd7f0b0170859e2bbfb37b0d4a7820b083d10187

  • SSDEEP

    12288:ScsCELA+12Hd5lpvS36pDfi/xN3xNBzqhVzxWWEjZPvp9ZD3K24G0Qvba1y2moMU:wzqfzxWRjZP3ZD3D4lQt6voB

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6050556352:AAE_-mublQ2CllMbT9xkQVBjSBbdvdYR1kM/

Targets

    • Target

      de5c622cfe7d68e938956a51427387824c7b6835ce556c2e0d82dc957ac2efe5

    • Size

      889KB

    • MD5

      9bec01344238221e7fa48083ecb7339e

    • SHA1

      eb592b4892e0217f0893a6f3556bea78abdb51b8

    • SHA256

      de5c622cfe7d68e938956a51427387824c7b6835ce556c2e0d82dc957ac2efe5

    • SHA512

      f7aaf35ebf91e42742993371ae6001997beb87cca44a0bf8320ba8555eee93f5bc3c2bac489d8b08373d3b04fd7f0b0170859e2bbfb37b0d4a7820b083d10187

    • SSDEEP

      12288:ScsCELA+12Hd5lpvS36pDfi/xN3xNBzqhVzxWWEjZPvp9ZD3K24G0Qvba1y2moMU:wzqfzxWRjZP3ZD3D4lQt6voB

    • AgentTesla

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

    • Agenttesla family

    • 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.

    • Accesses Microsoft Outlook profiles

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks