General

  • Target

    87fc79a78f848f66db4e3a5743aa4ae7b65d1762156e7ae151e9a765026cb2f9

  • Size

    2.4MB

  • Sample

    240601-g2351ace3y

  • MD5

    5c94ba8fb0eba248e7168710cd366818

  • SHA1

    971181768b179e352aaced2d0d9ed514bde632ce

  • SHA256

    87fc79a78f848f66db4e3a5743aa4ae7b65d1762156e7ae151e9a765026cb2f9

  • SHA512

    8dae47833e8f1a08d094d9c24017b0d8297d367339b1af2c964831b70280a6cd6995ec4076cbd099463cd75ac7dafac85baab6a53688b13397d47c1d71dfcd70

  • SSDEEP

    49152:wQc81KnB/a/hNT/d1Ya8aesY3Ot4N7G/:wDta/hNT/d1n0etD/

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

      87fc79a78f848f66db4e3a5743aa4ae7b65d1762156e7ae151e9a765026cb2f9

    • Size

      2.4MB

    • MD5

      5c94ba8fb0eba248e7168710cd366818

    • SHA1

      971181768b179e352aaced2d0d9ed514bde632ce

    • SHA256

      87fc79a78f848f66db4e3a5743aa4ae7b65d1762156e7ae151e9a765026cb2f9

    • SHA512

      8dae47833e8f1a08d094d9c24017b0d8297d367339b1af2c964831b70280a6cd6995ec4076cbd099463cd75ac7dafac85baab6a53688b13397d47c1d71dfcd70

    • SSDEEP

      49152:wQc81KnB/a/hNT/d1Ya8aesY3Ot4N7G/:wDta/hNT/d1n0etD/

    • 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