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General

  • Target

    924377a0aaee56e994f57c5fee8ff1a36ff4e824255276af4a7f4e3b8bd727dc

  • Size

    1.6MB

  • Sample

    240612-beax2sxcke

  • MD5

    7a72f47332304084eb8dada6d1ea82d0

  • SHA1

    869c5365b46530bdeeb319a2956b2aff284b99e2

  • SHA256

    924377a0aaee56e994f57c5fee8ff1a36ff4e824255276af4a7f4e3b8bd727dc

  • SHA512

    edf4a0357886c02218a4d88d53177f99e26fc46a372c3558ae301055b53ee49c006681024c7e5005a3b8154bc20d4cbb734ba446de5bf03a3bf18d06c7037517

  • SSDEEP

    24576:spM5863IGfTAVpalB1UfMxVVtes12FxwojKr98YGeGG9i:spQLYkTYp6B1UkxVVChjHZQs

Malware Config

Extracted

Family

stealc

rc4.plain

Extracted

Family

vidar

C2

https://t.me/r8z0l

https://steamcommunity.com/profiles/76561199698764354

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:128.0) Gecko/20100101 Firefox/128.0

Targets

    • Target

      924377a0aaee56e994f57c5fee8ff1a36ff4e824255276af4a7f4e3b8bd727dc

    • Size

      1.6MB

    • MD5

      7a72f47332304084eb8dada6d1ea82d0

    • SHA1

      869c5365b46530bdeeb319a2956b2aff284b99e2

    • SHA256

      924377a0aaee56e994f57c5fee8ff1a36ff4e824255276af4a7f4e3b8bd727dc

    • SHA512

      edf4a0357886c02218a4d88d53177f99e26fc46a372c3558ae301055b53ee49c006681024c7e5005a3b8154bc20d4cbb734ba446de5bf03a3bf18d06c7037517

    • SSDEEP

      24576:spM5863IGfTAVpalB1UfMxVVtes12FxwojKr98YGeGG9i:spQLYkTYp6B1UkxVVChjHZQs

    • Detect Vidar Stealer

    • Stealc

      Stealc is an infostealer written in C++.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Downloads MZ/PE file

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • 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