General

  • Target
    e3e3fab86a5f23fce4ad40791aead7f2558d164a2f40124d217fb391a926c948
  • Size 1.7MB
  • Sample220202-w4cs6abagj
  • SHA256 e3e3fab86a5f23fce4ad40791aead7f2558d164a2f40124d217fb391a926c948
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • vidar

Version
  • 50

Botnet
  • 1148

C2
  • https://mastodon.social/@prophef6

  • https://noc.social/@prophef5

Attributes
  • profile_id

    1148

Targets

    • Target
      e3e3fab86a5f23fce4ad40791aead7f2558d164a2f40124d217fb391a926c948
    • Size 1.7MB
    • SHA256 e3e3fab86a5f23fce4ad40791aead7f2558d164a2f40124d217fb391a926c948
    • 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 Suspicious Zipped Filename in Outbound POST Request (Passwords.txt) M2

      suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt) M2

    • suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (passwords.txt) M2

      suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (passwords.txt) M2

    • 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.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v6

Tasks