General

  • Target
    c388db9ca136d19310b76ef81e54fc12
  • Size 734KB
  • Sample220112-mas4lsccek
  • SHA256 bcdcaf81b3d7d4434c2a0caf687317a8b641d0a7f6b32a9130e4ccbf289d2eb6
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • vidar

Version
  • 49.6

Botnet
  • 565

C2
  • https://noc.social/@banda5ker

  • https://mastodon.social/@banda6ker

Attributes
  • profile_id

    565

Targets

    • Target
      c388db9ca136d19310b76ef81e54fc12
    • Size 734KB
    • SHA256 bcdcaf81b3d7d4434c2a0caf687317a8b641d0a7f6b32a9130e4ccbf289d2eb6
    • 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

    • suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil

      suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil

    • suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer HTTP POST Pattern

      suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer HTTP POST Pattern

    • 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