General

  • Target

    67d4fb2d096598c55ff4051b094e4316677dd633c9c4e9cfc5490672f7fba4fb

  • Size

    2.4MB

  • Sample

    240607-aepwjafb87

  • MD5

    09282285166a3aab4726c7a1a7a93c67

  • SHA1

    e9de3c009bc2a62e7c1d510a8078f1fb3f2e4174

  • SHA256

    67d4fb2d096598c55ff4051b094e4316677dd633c9c4e9cfc5490672f7fba4fb

  • SHA512

    daa320af3544e81b33e49876e5ffb6bce39b5e0b6a134c042277c49329423aa351017307fcd15651009dc415a3bfd0c2529604f4b94df125a10e37effcad4320

  • SSDEEP

    49152:wQc81KnB/a/hNT/dFYa8aesY3Ot4N7G/:wDta/hNT/dFn0etD/

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

      67d4fb2d096598c55ff4051b094e4316677dd633c9c4e9cfc5490672f7fba4fb

    • Size

      2.4MB

    • MD5

      09282285166a3aab4726c7a1a7a93c67

    • SHA1

      e9de3c009bc2a62e7c1d510a8078f1fb3f2e4174

    • SHA256

      67d4fb2d096598c55ff4051b094e4316677dd633c9c4e9cfc5490672f7fba4fb

    • SHA512

      daa320af3544e81b33e49876e5ffb6bce39b5e0b6a134c042277c49329423aa351017307fcd15651009dc415a3bfd0c2529604f4b94df125a10e37effcad4320

    • SSDEEP

      49152:wQc81KnB/a/hNT/dFYa8aesY3Ot4N7G/:wDta/hNT/dFn0etD/

    • 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