General

  • Target
    76483adfe01810b5472d71bf6b50a699.exe
  • Size 663KB
  • Sample210902-zag4e9bt4a
  • SHA256 e671deac46898cd1ce138deb64f63c2a7d09f40b593213e2337b0ffa08aab8e7
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • vidar

Version
  • 40.3

Botnet
  • 1008

C2
  • https://lenko349.tumblr.com/

Attributes
  • profile_id

    1008

Targets

    • Target
      76483adfe01810b5472d71bf6b50a699.exe
    • Size 663KB
    • SHA256 e671deac46898cd1ce138deb64f63c2a7d09f40b593213e2337b0ffa08aab8e7
    • 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