General

  • Target

    windows.ps1

  • Size

    1KB

  • Sample

    250302-lgkkda1pz3

  • MD5

    ce557fb254b9dd992b073351e1b43e24

  • SHA1

    c1c8a4ce65c9f71bf0d43beed54394ac8ddcb717

  • SHA256

    b30e7cf92bdb26c05c226e0d5c82ce839a90cbef61a7a5305bd3fae87905090f

  • SHA512

    2244ae3182e92aa064567eceb0adf840aa6aa9c51b799aec4a56099131298f2ac5d3377628ce003cdf76be16cd5564296c20c8e1f5a0310483787cd0cf8a4b08

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

https://vx-events.com/build.exe

Extracted

Family

vidar

Botnet

ir7am

C2

https://t.me/l793oy

https://steamcommunity.com/profiles/76561199829660832

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) Chrome/131.0.0.0 Safari/537.36 OPR/116.0.0.0

Targets

    • Target

      windows.ps1

    • Size

      1KB

    • MD5

      ce557fb254b9dd992b073351e1b43e24

    • SHA1

      c1c8a4ce65c9f71bf0d43beed54394ac8ddcb717

    • SHA256

      b30e7cf92bdb26c05c226e0d5c82ce839a90cbef61a7a5305bd3fae87905090f

    • SHA512

      2244ae3182e92aa064567eceb0adf840aa6aa9c51b799aec4a56099131298f2ac5d3377628ce003cdf76be16cd5564296c20c8e1f5a0310483787cd0cf8a4b08

    • Detect Vidar Stealer

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Vidar family

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Uses browser remote debugging

      Can be used control the browser and steal sensitive information such as credentials and session cookies.

    • 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.

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • 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