General

  • Target

    1822020673bc4cf95818ae0f6fdda2a41840377a4d034a6e2bf71be4e72ff2eb

  • Size

    2.2MB

  • Sample

    240628-3far8avelb

  • MD5

    43cd31ebaf2792b396000ceff3977272

  • SHA1

    9372a3fecde67d2d1f36685cab2850f0435024ea

  • SHA256

    1822020673bc4cf95818ae0f6fdda2a41840377a4d034a6e2bf71be4e72ff2eb

  • SHA512

    fa56928175dcd35e15cedff4f51b00b18c9ee290deda894693736c7b0562b8d99173f342a5e025484512c8fe7526024f5bb3860b77f6c7d58be282f806cbc5ef

  • SSDEEP

    49152:qpjNvr9ySAOmw4tHHO+SASagXkJr4MDkUwm:qpjNp7p4tHH8n5A

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

      1822020673bc4cf95818ae0f6fdda2a41840377a4d034a6e2bf71be4e72ff2eb

    • Size

      2.2MB

    • MD5

      43cd31ebaf2792b396000ceff3977272

    • SHA1

      9372a3fecde67d2d1f36685cab2850f0435024ea

    • SHA256

      1822020673bc4cf95818ae0f6fdda2a41840377a4d034a6e2bf71be4e72ff2eb

    • SHA512

      fa56928175dcd35e15cedff4f51b00b18c9ee290deda894693736c7b0562b8d99173f342a5e025484512c8fe7526024f5bb3860b77f6c7d58be282f806cbc5ef

    • SSDEEP

      49152:qpjNvr9ySAOmw4tHHO+SASagXkJr4MDkUwm:qpjNp7p4tHH8n5A

    • 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