General

  • Target

    8525216ca0f0f91a7d585e21ddf4de5b73706a485738ca72a1b2f583ab9d77b4

  • Size

    1.5MB

  • Sample

    240628-ak9swszgqh

  • MD5

    693c1ff2dd4cb667bbb7568ca04fe6a2

  • SHA1

    f34b649c2e8718aa61d7fa4a7a541351eb1923f4

  • SHA256

    8525216ca0f0f91a7d585e21ddf4de5b73706a485738ca72a1b2f583ab9d77b4

  • SHA512

    9215fc8f08e68d9be6ff52e2633394dcfd9ede7dbf2544f1692143c6315818a39e55bc2f1bd8bd94f6585493bca01f8a0b687c1d2b64bd3bf5defa0e85b9f06f

  • SSDEEP

    24576:BXc46Crf8fyhacHps+/qASfmBgXk/xrADOv1xvF87uLwmnq:BXl8ahHHO+SASagXkJr4MDkUwm

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

      8525216ca0f0f91a7d585e21ddf4de5b73706a485738ca72a1b2f583ab9d77b4

    • Size

      1.5MB

    • MD5

      693c1ff2dd4cb667bbb7568ca04fe6a2

    • SHA1

      f34b649c2e8718aa61d7fa4a7a541351eb1923f4

    • SHA256

      8525216ca0f0f91a7d585e21ddf4de5b73706a485738ca72a1b2f583ab9d77b4

    • SHA512

      9215fc8f08e68d9be6ff52e2633394dcfd9ede7dbf2544f1692143c6315818a39e55bc2f1bd8bd94f6585493bca01f8a0b687c1d2b64bd3bf5defa0e85b9f06f

    • SSDEEP

      24576:BXc46Crf8fyhacHps+/qASfmBgXk/xrADOv1xvF87uLwmnq:BXl8ahHHO+SASagXkJr4MDkUwm

    • 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