General

  • Target
    78c06b9a03f2d8fcb86e7e0a8cedb5da
  • Size 661KB
  • Sample210902-3msxdabgf9
  • SHA256 aa12ad772adf47f16f71cd07714ee02ed1fddab1fa80551d6dbc5d50589aebfc
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • vidar

Version
  • 40.4

Botnet
  • 937

C2
  • https://romkaxarit.tumblr.com/

Attributes
  • profile_id

    937

Targets

    • Target
      78c06b9a03f2d8fcb86e7e0a8cedb5da
    • Size 661KB
    • SHA256 aa12ad772adf47f16f71cd07714ee02ed1fddab1fa80551d6dbc5d50589aebfc
    • MD5 SHA1 SHA512
    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Vidar Stealer

    • Downloads MZ/PE file

    • Deletes itself

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses 2FA software files, possible credential harvesting

    • 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.

MITRE ATT&CK Enterprise v6

Tasks