General

  • Target

    681d9888e7c5557d61e57964e513e8469bfff3506979e24cadd3181bfc624422

  • Size

    2.2MB

  • Sample

    240628-p9mrzs1bjb

  • MD5

    e7182aba3ff137887476f4dca65998df

  • SHA1

    69258a336b2d7f37ce498dcd411fbc6cb0a021ca

  • SHA256

    681d9888e7c5557d61e57964e513e8469bfff3506979e24cadd3181bfc624422

  • SHA512

    7c556d8dbae67a62bb27cbbdc941dedd7d95690c868331f3885134844d640ef89a6fd081acd784c7c0566188e76108b1f2545d01810d82149c35e897f62e2a10

  • SSDEEP

    49152:qpjNvr9ySAOmw4NHHO+SASagXkJr4MDkUwm:qpjNp7p4NHH8n5A

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

      681d9888e7c5557d61e57964e513e8469bfff3506979e24cadd3181bfc624422

    • Size

      2.2MB

    • MD5

      e7182aba3ff137887476f4dca65998df

    • SHA1

      69258a336b2d7f37ce498dcd411fbc6cb0a021ca

    • SHA256

      681d9888e7c5557d61e57964e513e8469bfff3506979e24cadd3181bfc624422

    • SHA512

      7c556d8dbae67a62bb27cbbdc941dedd7d95690c868331f3885134844d640ef89a6fd081acd784c7c0566188e76108b1f2545d01810d82149c35e897f62e2a10

    • SSDEEP

      49152:qpjNvr9ySAOmw4NHHO+SASagXkJr4MDkUwm:qpjNp7p4NHH8n5A

    • 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.

    • 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