General

  • Target

    https://www.dropbox.com/scl/fi/56blt3d0860v1uhbbybdl/Unlock_Tool.zip?rlkey=b64ioeyp70sp9vgmjg1qe4top&st=ts5zyjii&dl=1

  • Sample

    241013-f86n2a1fpf

Malware Config

Extracted

Family

vidar

Version

11.1

Botnet

23a142269e47ce1692ccc9fb68473bc2

C2

https://steamcommunity.com/profiles/76561199786602107

https://t.me/lpnjoke

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:130.0) Gecko/20100101 Firefox/130.0

Targets

    • Target

      https://www.dropbox.com/scl/fi/56blt3d0860v1uhbbybdl/Unlock_Tool.zip?rlkey=b64ioeyp70sp9vgmjg1qe4top&st=ts5zyjii&dl=1

    • Detect Vidar Stealer

    • 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

    • Loads dropped DLL

    • 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