General

  • Target
    file.exe
  • Size 4.1MB
  • Sample240926-wtql9stdkf
  • SHA256 1d50b6e42d9edb6d7ee41781f32972349ecc4ec2eaaef4692e994c858fb8551d
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • vidar

Version
  • 11

Botnet
  • 8804a4f27e22750a8baa49e881ddca35

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
      file.exe
    • Size 4.1MB
    • SHA256 1d50b6e42d9edb6d7ee41781f32972349ecc4ec2eaaef4692e994c858fb8551d
    • MD5 SHA1 SHA512 SSDEEP
    • 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.

    • Enumerates processes with tasklist

    • Suspicious use of SetThreadContext

    • Target
      OrganisationEstates/Innovative
    • Size 96KB
    • SHA256 285b0808ef9df43736f0c85c276e0e8415c7fad3c5f4b0bc2d25377ecbd1ffef
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10

MITRE ATT&CK Enterprise v15

Tasks