General

  • Target

    5147ab52ccd30899d18c5d3fe05ed49932647a406c8720737bd86032aa27438f

  • Size

    665KB

  • Sample

    240525-blff4she98

  • MD5

    af1dd89780930e377798fc606fd7df41

  • SHA1

    dd5154d050ccbf24656af2bf231b48888fd22028

  • SHA256

    5147ab52ccd30899d18c5d3fe05ed49932647a406c8720737bd86032aa27438f

  • SHA512

    5dd951e220b9b743a49a66bdfd2559cab3082013d8eb0479f26e37a14103cc71f5f646bdfff23d501552cf63c0172da8bbac7704112c0d7580b63f62979aea6c

  • SSDEEP

    12288:YlYifT0paM3B0I+Cvqvfbrfhnfk6FX9gHDXxr67enaXlYt29bAUDqX4R3x7:3iggaBGfHhnLWBr67enwbDQY7

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6791276906:AAFua0cb90JLBIItAyl375Z0CKgcri0i9_k/

Targets

    • Target

      5147ab52ccd30899d18c5d3fe05ed49932647a406c8720737bd86032aa27438f

    • Size

      665KB

    • MD5

      af1dd89780930e377798fc606fd7df41

    • SHA1

      dd5154d050ccbf24656af2bf231b48888fd22028

    • SHA256

      5147ab52ccd30899d18c5d3fe05ed49932647a406c8720737bd86032aa27438f

    • SHA512

      5dd951e220b9b743a49a66bdfd2559cab3082013d8eb0479f26e37a14103cc71f5f646bdfff23d501552cf63c0172da8bbac7704112c0d7580b63f62979aea6c

    • SSDEEP

      12288:YlYifT0paM3B0I+Cvqvfbrfhnfk6FX9gHDXxr67enaXlYt29bAUDqX4R3x7:3iggaBGfHhnLWBr67enwbDQY7

    • 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