General

  • Target

    b0138590f812b9bfc2514e57bce295e0efef99a5b624d95bcdbd762f4ea85752

  • Size

    2.0MB

  • Sample

    240530-vc55ysfe83

  • MD5

    0df8dafc05cbe6effa4a69777557a811

  • SHA1

    26fe66c1e0e42cf58ce4e1410cb935ea128dbd1c

  • SHA256

    b0138590f812b9bfc2514e57bce295e0efef99a5b624d95bcdbd762f4ea85752

  • SHA512

    7637e39b4b36369b0bac7fd718be7bde2d1af22320858cdd070cf25d91964f78076168e28e3e826ff4ad9d3f0a0b60c6ea08905c794eeb0b91cacbb242bbd170

  • SSDEEP

    49152:eqtdPVosJE4z/+VHA58ljrIY+96lJS9bZ:e6d9fJZc7jvedZ

Malware Config

Extracted

Family

stealc

rc4.plain

Extracted

Family

vidar

C2

https://t.me/ta904ek

https://steamcommunity.com/profiles/76561199695752269

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:128.0) Gecko/20100101 Firefox/128.0

Targets

    • Target

      b0138590f812b9bfc2514e57bce295e0efef99a5b624d95bcdbd762f4ea85752

    • Size

      2.0MB

    • MD5

      0df8dafc05cbe6effa4a69777557a811

    • SHA1

      26fe66c1e0e42cf58ce4e1410cb935ea128dbd1c

    • SHA256

      b0138590f812b9bfc2514e57bce295e0efef99a5b624d95bcdbd762f4ea85752

    • SHA512

      7637e39b4b36369b0bac7fd718be7bde2d1af22320858cdd070cf25d91964f78076168e28e3e826ff4ad9d3f0a0b60c6ea08905c794eeb0b91cacbb242bbd170

    • SSDEEP

      49152:eqtdPVosJE4z/+VHA58ljrIY+96lJS9bZ:e6d9fJZc7jvedZ

    • Detect Vidar Stealer

    • Stealc

      Stealc is an infostealer written in C++.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks