General

  • Target

    Unlock_Tool_1.2.exe

  • Size

    392KB

  • Sample

    240927-bp1w8azhpa

  • MD5

    737ff738fef9aa060554c69baf94010b

  • SHA1

    6320238ed8ee589ab80fdbf64a9f03a285631e60

  • SHA256

    8bcdb32e024db0917b54e7390172a45be693d52bc5c8bff8d7ba1dce2d2ff4b1

  • SHA512

    8f64f4bd82447a7d27b4b3603bf6221b0156ac115ba04faa08025b18d10cfa3377f8c733414f902526d83dbc7b125c8e90c9aa92b9be6a9168e55e8d7ae8e440

  • SSDEEP

    6144:Zyk+6IpOjjZIhr4rXHiqVz9W4Bn5hDRkoX4RbpUCwiNuu/IQMYHBi:Zyk+rCSryHiA/hDZIRtA8

Malware Config

Extracted

Family

vidar

Version

11

Botnet

962abdb0b49579401d25d63a1f697be6

C2

https://steamcommunity.com/profiles/76561199780418869

https://t.me/ae5ed

Attributes
  • user_agent

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

Targets

    • Target

      Unlock_Tool_1.2.exe

    • Size

      392KB

    • MD5

      737ff738fef9aa060554c69baf94010b

    • SHA1

      6320238ed8ee589ab80fdbf64a9f03a285631e60

    • SHA256

      8bcdb32e024db0917b54e7390172a45be693d52bc5c8bff8d7ba1dce2d2ff4b1

    • SHA512

      8f64f4bd82447a7d27b4b3603bf6221b0156ac115ba04faa08025b18d10cfa3377f8c733414f902526d83dbc7b125c8e90c9aa92b9be6a9168e55e8d7ae8e440

    • SSDEEP

      6144:Zyk+6IpOjjZIhr4rXHiqVz9W4Bn5hDRkoX4RbpUCwiNuu/IQMYHBi:Zyk+rCSryHiA/hDZIRtA8

    • 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.

    • 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