General

  • Target

    a5acf5f494dfb633706ba31a6afea4707acf168b27ceb7189bcdd66494cb8876

  • Size

    2.0MB

  • Sample

    240603-gkhsqsdg7v

  • MD5

    7ae3d250cba41d77083a9796bec1b9b9

  • SHA1

    52349c32021249892a7fb0138e043a77f7bf4418

  • SHA256

    a5acf5f494dfb633706ba31a6afea4707acf168b27ceb7189bcdd66494cb8876

  • SHA512

    db7ad2807a5ba60d42129168ca72f59b12852a9c4dd85136169c2011642d7319d47765e61cdcbd32020ee5ef842f2414ceaaec6d572504c448f11d5b218f85fc

  • SSDEEP

    49152:eqtdPVosJEkz/+VHA58ljrIY+96lJS9bZ:e6d9fJlc7jvedZ

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

      a5acf5f494dfb633706ba31a6afea4707acf168b27ceb7189bcdd66494cb8876

    • Size

      2.0MB

    • MD5

      7ae3d250cba41d77083a9796bec1b9b9

    • SHA1

      52349c32021249892a7fb0138e043a77f7bf4418

    • SHA256

      a5acf5f494dfb633706ba31a6afea4707acf168b27ceb7189bcdd66494cb8876

    • SHA512

      db7ad2807a5ba60d42129168ca72f59b12852a9c4dd85136169c2011642d7319d47765e61cdcbd32020ee5ef842f2414ceaaec6d572504c448f11d5b218f85fc

    • SSDEEP

      49152:eqtdPVosJEkz/+VHA58ljrIY+96lJS9bZ:e6d9fJlc7jvedZ

    • 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