General

  • Target
    381ba69f104c2a1898b877237049c1de.exe
  • Size 757KB
  • Sample211220-ggbj9aaeej
  • SHA256 199b49aa0652bd1f91218124e488e3f65be1aac33a589626dcd0a24d5b3e56bb
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • vidar

Version
  • 49.1

Botnet
  • 1081

C2
  • https://noc.social/@sergeev46

  • https://c.im/@sergeev47

Attributes
  • profile_id

    1081

Targets

    • Target
      381ba69f104c2a1898b877237049c1de.exe
    • Size 757KB
    • SHA256 199b49aa0652bd1f91218124e488e3f65be1aac33a589626dcd0a24d5b3e56bb
    • 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

    • 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