General

  • Target

    c31dc041210fac01b6f96f192cccf0398f697858cd26d32ff2ab9c519ae0ca02

  • Size

    2.0MB

  • Sample

    240603-gtc9lsfc83

  • MD5

    36df87ed6608a7f342c894d66d898b35

  • SHA1

    3b1afbcecac71e4886b8c08ed5d35729eb449dec

  • SHA256

    c31dc041210fac01b6f96f192cccf0398f697858cd26d32ff2ab9c519ae0ca02

  • SHA512

    de2ef2345ad0447c0999e7675b2fd4952947536cdeee93399851728d8cb757e7331fd69834b4386b45419b85e9c9a98129a0dc03833e56fe394ab1f259dc12ac

  • SSDEEP

    49152:eqtdPVosJEEz/+VHA58ljrIY+96lJS9bZ:e6d9fJdc7jvedZ

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

      c31dc041210fac01b6f96f192cccf0398f697858cd26d32ff2ab9c519ae0ca02

    • Size

      2.0MB

    • MD5

      36df87ed6608a7f342c894d66d898b35

    • SHA1

      3b1afbcecac71e4886b8c08ed5d35729eb449dec

    • SHA256

      c31dc041210fac01b6f96f192cccf0398f697858cd26d32ff2ab9c519ae0ca02

    • SHA512

      de2ef2345ad0447c0999e7675b2fd4952947536cdeee93399851728d8cb757e7331fd69834b4386b45419b85e9c9a98129a0dc03833e56fe394ab1f259dc12ac

    • SSDEEP

      49152:eqtdPVosJEEz/+VHA58ljrIY+96lJS9bZ:e6d9fJdc7jvedZ

    • 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

    • Loads dropped DLL

    • 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