General

  • Target
    b145481b3a46c0e94f36eb367b4fb547.exe
  • Size 502KB
  • Sample210728-8eb693hafn
  • SHA256 81f0ea7ee9873de0118f7a630ea06da4072c8bd582ed4dc753a0124e1adb1584
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • vidar

Version
  • 39.7

Botnet
  • 921

C2
  • https://shpak125.tumblr.com/

Attributes
  • profile_id

    921

Targets

    • Target
      b145481b3a46c0e94f36eb367b4fb547.exe
    • Size 502KB
    • SHA256 81f0ea7ee9873de0118f7a630ea06da4072c8bd582ed4dc753a0124e1adb1584
    • 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 Vidar/Arkei Stealer Client Data Upload

    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks