General

  • Target

    config.js

  • Size

    4KB

  • Sample

    250218-wmew7avlhx

  • MD5

    b50f09dd1b24a4873bf0f24447ede431

  • SHA1

    4a32f009ae0f2988ccbe0994cd3e8720428891db

  • SHA256

    eb7593118f659dce4e1ef47eef2d465070c8cde955696f1f4925ff0076a54e3e

  • SHA512

    c99cb30f2f894ec9770638d3a0e662941bc5112c226ef0096fdd4b7ceda8541ba572602fa139c335db9cbf113937455170b73d04174cb8ef6674758f99876036

  • SSDEEP

    96:ZqF9oamAr0aIuSg42sEi6EkuzwQYwld9dyLh9gZsLvsFgl:ZqFyQr0jgjs9lhzw8OgiLegl

Malware Config

Extracted

Family

vidar

C2

https://t.me/g02f04

https://steamcommunity.com/profiles/76561199828130190

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

      config.js

    • Size

      4KB

    • MD5

      b50f09dd1b24a4873bf0f24447ede431

    • SHA1

      4a32f009ae0f2988ccbe0994cd3e8720428891db

    • SHA256

      eb7593118f659dce4e1ef47eef2d465070c8cde955696f1f4925ff0076a54e3e

    • SHA512

      c99cb30f2f894ec9770638d3a0e662941bc5112c226ef0096fdd4b7ceda8541ba572602fa139c335db9cbf113937455170b73d04174cb8ef6674758f99876036

    • SSDEEP

      96:ZqF9oamAr0aIuSg42sEi6EkuzwQYwld9dyLh9gZsLvsFgl:ZqFyQr0jgjs9lhzw8OgiLegl

    • Detect Vidar Stealer

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Vidar family

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • 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

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks