General

  • Target

    8f18cbbab7e70501ff317d7f89c4e8234c8355e1ff277aafda1b93556e341856

  • Size

    820KB

  • Sample

    240519-bmxrsaaf2x

  • MD5

    66ab154cb5a1445e8c44543bd672c4e1

  • SHA1

    4dd7ce4a5f3332b402b45e2dd5b9ed745fdadba6

  • SHA256

    8f18cbbab7e70501ff317d7f89c4e8234c8355e1ff277aafda1b93556e341856

  • SHA512

    2490a09022b89e59e8356f645874f0d9f06a060895eb02e9776067695ae0124543fe235f3eaa2ed25b2c686cbd9f873c69db61d5908a3e7460e54be026e462b0

  • SSDEEP

    24576:V5leJSNI9Gfw8sRyF6iClzXCHy8VHzI7R0nDdWfLfq:rlAaIwfwJTlzXCH9xI7R6ALC

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6833369348:AAHv0Ph_km_t-hYM5WR9L_rTG08B_UxNTUA/

Targets

    • Target

      8f18cbbab7e70501ff317d7f89c4e8234c8355e1ff277aafda1b93556e341856

    • Size

      820KB

    • MD5

      66ab154cb5a1445e8c44543bd672c4e1

    • SHA1

      4dd7ce4a5f3332b402b45e2dd5b9ed745fdadba6

    • SHA256

      8f18cbbab7e70501ff317d7f89c4e8234c8355e1ff277aafda1b93556e341856

    • SHA512

      2490a09022b89e59e8356f645874f0d9f06a060895eb02e9776067695ae0124543fe235f3eaa2ed25b2c686cbd9f873c69db61d5908a3e7460e54be026e462b0

    • SSDEEP

      24576:V5leJSNI9Gfw8sRyF6iClzXCHy8VHzI7R0nDdWfLfq:rlAaIwfwJTlzXCH9xI7R6ALC

    • 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.

    • 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