General

  • Target

    7488790c53f9ce42ee7b8138d93b6952693f3847d4a94f3aed0a535f15a3997f

  • Size

    765KB

  • Sample

    250109-bnr8pa1rat

  • MD5

    cff00ea297618407a3ff1a4800066029

  • SHA1

    d4747b2d2a68020ad71921545688c7baee2c9d42

  • SHA256

    7488790c53f9ce42ee7b8138d93b6952693f3847d4a94f3aed0a535f15a3997f

  • SHA512

    4921d5302ef30481eb2b3053d81b3684c8ec957534981aef2b588116d4a0cf97fee241232e0164549ce6cb37e5e84fd2bb38175c82c084d331451ca635cabacd

  • SSDEEP

    12288:MN9OuEhdaCiBTiwezEgarU5GZ9+m6/GERoKaJo6vrhcst26tCyIaVzaDkR:QO7teTihznOU5GZ9h6/GTlo6zhc76tC8

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5145135161:AAFnBnjYGtIUE_EwGqQ3-YIV1FOEItrzy8c/

Targets

    • Target

      7488790c53f9ce42ee7b8138d93b6952693f3847d4a94f3aed0a535f15a3997f

    • Size

      765KB

    • MD5

      cff00ea297618407a3ff1a4800066029

    • SHA1

      d4747b2d2a68020ad71921545688c7baee2c9d42

    • SHA256

      7488790c53f9ce42ee7b8138d93b6952693f3847d4a94f3aed0a535f15a3997f

    • SHA512

      4921d5302ef30481eb2b3053d81b3684c8ec957534981aef2b588116d4a0cf97fee241232e0164549ce6cb37e5e84fd2bb38175c82c084d331451ca635cabacd

    • SSDEEP

      12288:MN9OuEhdaCiBTiwezEgarU5GZ9+m6/GERoKaJo6vrhcst26tCyIaVzaDkR:QO7teTihznOU5GZ9h6/GTlo6zhc76tC8

    • 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

    • 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