General

  • Target
    349d7550b23a5c3051faa6981cbead3f.exe
  • Size 541KB
  • Sample210202-yfa667aare
  • SHA256 ca689501b79de8430f0900c86e9a6b5c93b2d7cc68bc0b8921bb6ebb005f6893
  • MD5 SHA1 SHA512

Malware Config

Targets

    • Target
      349d7550b23a5c3051faa6981cbead3f.exe
    • Size 541KB
    • SHA256 ca689501b79de8430f0900c86e9a6b5c93b2d7cc68bc0b8921bb6ebb005f6893
    • MD5 SHA1 SHA512
    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Deletes itself

    • Loads dropped DLL

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • 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.

    • JavaScript code in executable

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Enumerates physical storage devices

      Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

MITRE ATT&CK Enterprise v6

Tasks