General

  • Target
    d2385510f0bc2621a04bbcc6bda24edc
  • Size 584KB
  • Sample210809-jeccwsz8dn
  • SHA256 f90939a50612f3e71e75c355d16b3f2fc41e126900d4db8a33a9db58336b65b8
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • vidar

Version
  • 40

Botnet
  • 828

C2
  • https://lenak513.tumblr.com/

Attributes
  • profile_id

    828

Targets

    • Target
      d2385510f0bc2621a04bbcc6bda24edc
    • Size 584KB
    • SHA256 f90939a50612f3e71e75c355d16b3f2fc41e126900d4db8a33a9db58336b65b8
    • 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

    • 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