General

  • Target
    dfd0237a1df251793d4b1495faadbde233eb50e1b78601978963259a339d4471
  • Size 760KB
  • Sample220118-jfshgsabc2
  • SHA256 dfd0237a1df251793d4b1495faadbde233eb50e1b78601978963259a339d4471
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • vidar

Version
  • 49.7

Botnet
  • 517

C2
  • https://mastodon.online/@prophef1

  • https://koyu.space/@prophef2

Attributes
  • profile_id

    517

Targets

    • Target
      dfd0237a1df251793d4b1495faadbde233eb50e1b78601978963259a339d4471
    • Size 760KB
    • SHA256 dfd0237a1df251793d4b1495faadbde233eb50e1b78601978963259a339d4471
    • MD5 SHA1 SHA512
    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Vidar Stealer

    • Downloads MZ/PE file

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks