General

  • Target

    90f8d0abc7d1a0ae347d55a554f30c10d025123e834a659da2c3f036af8dddc4

  • Size

    2.0MB

  • Sample

    240530-xcg48shc86

  • MD5

    66e9928a0a8de34da7d3fbfaee49133c

  • SHA1

    7f80fd7852ac96124a4a56d54ef9286f95b61323

  • SHA256

    90f8d0abc7d1a0ae347d55a554f30c10d025123e834a659da2c3f036af8dddc4

  • SHA512

    3f556039eb721c912211206cfea9d3a8a55efa1c22558c5bd39fc99b3c967c86285a72efbab963f1236b5d07355511ba1db7be83bbebb527394b818579fc1027

  • SSDEEP

    49152:eqtdPVosJE0z/+VHA58ljrIY+96lJS9bZ:e6d9fJFc7jvedZ

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

      90f8d0abc7d1a0ae347d55a554f30c10d025123e834a659da2c3f036af8dddc4

    • Size

      2.0MB

    • MD5

      66e9928a0a8de34da7d3fbfaee49133c

    • SHA1

      7f80fd7852ac96124a4a56d54ef9286f95b61323

    • SHA256

      90f8d0abc7d1a0ae347d55a554f30c10d025123e834a659da2c3f036af8dddc4

    • SHA512

      3f556039eb721c912211206cfea9d3a8a55efa1c22558c5bd39fc99b3c967c86285a72efbab963f1236b5d07355511ba1db7be83bbebb527394b818579fc1027

    • SSDEEP

      49152:eqtdPVosJE0z/+VHA58ljrIY+96lJS9bZ:e6d9fJFc7jvedZ

    • 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