General

  • Target
    f834738127238a52e91b35ee95ce880413957710c2381bc741003821690192e8
  • Size 2.2MB
  • Sample211117-ncq8gaggfp
  • SHA256 f834738127238a52e91b35ee95ce880413957710c2381bc741003821690192e8
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • vidar

Version
  • 48.6

Botnet
  • 869

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

  • https://koyu.space/@valhalla

Attributes
  • profile_id

    869

Targets

    • Target
      f834738127238a52e91b35ee95ce880413957710c2381bc741003821690192e8
    • Size 2.2MB
    • SHA256 f834738127238a52e91b35ee95ce880413957710c2381bc741003821690192e8
    • MD5 SHA1 SHA512
    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)

      suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)

    • suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload

      suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload

    • Vidar Stealer

    • Downloads MZ/PE file

    • 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

    • 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