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General

  • Target

    2a1c5fb46b33b1403e994e7920a6a5b48c4386d711bf6e0b835c96b827cdee4d

  • Size

    2.1MB

  • Sample

    240625-dbtxvsxapd

  • MD5

    2741b1690b3a1f114ed6ae25eb818bf4

  • SHA1

    1e0570c28bcaf408e23683371b12aca35a4845f7

  • SHA256

    2a1c5fb46b33b1403e994e7920a6a5b48c4386d711bf6e0b835c96b827cdee4d

  • SHA512

    490168edc1aa5cefe33b1693a1345b3d1d0ec898e9f0b8add5061841ebb0db788108576f7f0eacff8a7b934d8fa42afe1879a82d564714d846cf9d6e7c493907

  • SSDEEP

    24576:cC/gyrgOo5VvmUfq+Zc1Fsuqf9sDUfMxVVtes12FxwojKr98YGeGGHzqqikY+rPN:c3xbZcjHDUkxVVChjHZQHzqZ+rPlV

Malware Config

Extracted

Family

vidar

C2

https://t.me/g067n

https://steamcommunity.com/profiles/76561199707802586

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:129.0) Gecko/20100101 Firefox/129.0

Targets

    • Target

      2a1c5fb46b33b1403e994e7920a6a5b48c4386d711bf6e0b835c96b827cdee4d

    • Size

      2.1MB

    • MD5

      2741b1690b3a1f114ed6ae25eb818bf4

    • SHA1

      1e0570c28bcaf408e23683371b12aca35a4845f7

    • SHA256

      2a1c5fb46b33b1403e994e7920a6a5b48c4386d711bf6e0b835c96b827cdee4d

    • SHA512

      490168edc1aa5cefe33b1693a1345b3d1d0ec898e9f0b8add5061841ebb0db788108576f7f0eacff8a7b934d8fa42afe1879a82d564714d846cf9d6e7c493907

    • SSDEEP

      24576:cC/gyrgOo5VvmUfq+Zc1Fsuqf9sDUfMxVVtes12FxwojKr98YGeGGHzqqikY+rPN:c3xbZcjHDUkxVVChjHZQHzqZ+rPlV

    • 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

    • Loads dropped DLL

    • 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