General

  • Target

    31180e8fc96abee8b0a38d49163a51ec0cef3ee1faea65426f5061c72a2e8f48

  • Size

    2.4MB

  • Sample

    240603-fvh1tacf4s

  • MD5

    21687c2f0f47cde039c509a879a32d1b

  • SHA1

    b986dcb5afbe3591ad3dc3d6bfbf4c7f7ea2f05b

  • SHA256

    31180e8fc96abee8b0a38d49163a51ec0cef3ee1faea65426f5061c72a2e8f48

  • SHA512

    c413ef475ff53ac2bf2cdd3262e83148c84499260879275c45e87cdae95a53770636f8c7b6d7af22ef6f30e524d986acaf1469baf5c82ae6719693599ab83537

  • SSDEEP

    49152:wQc81KnB/a/hNT/d9Ya8aesY3Ot4N7G/:wDta/hNT/d9n0etD/

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

      31180e8fc96abee8b0a38d49163a51ec0cef3ee1faea65426f5061c72a2e8f48

    • Size

      2.4MB

    • MD5

      21687c2f0f47cde039c509a879a32d1b

    • SHA1

      b986dcb5afbe3591ad3dc3d6bfbf4c7f7ea2f05b

    • SHA256

      31180e8fc96abee8b0a38d49163a51ec0cef3ee1faea65426f5061c72a2e8f48

    • SHA512

      c413ef475ff53ac2bf2cdd3262e83148c84499260879275c45e87cdae95a53770636f8c7b6d7af22ef6f30e524d986acaf1469baf5c82ae6719693599ab83537

    • SSDEEP

      49152:wQc81KnB/a/hNT/d9Ya8aesY3Ot4N7G/:wDta/hNT/d9n0etD/

    • 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