General

  • Target
    a0e32603876c3035d76a78e35d5f89576ded2475451b4d27e19331bf9e6abfc3
  • Size 762KB
  • Sample210503-xcsqnygewx
  • SHA256 a0e32603876c3035d76a78e35d5f89576ded2475451b4d27e19331bf9e6abfc3
  • MD5 SHA1 SHA512

Malware Config

Targets

    • Target
      a0e32603876c3035d76a78e35d5f89576ded2475451b4d27e19331bf9e6abfc3
    • Size 762KB
    • SHA256 a0e32603876c3035d76a78e35d5f89576ded2475451b4d27e19331bf9e6abfc3
    • MD5 SHA1 SHA512
    • Deletes Windows Defender Definitions

      Uses mpcmdrun utility to delete all AV definitions.

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Disables Task Manager via registry modification

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies file permissions

    • Reads local data of messenger clients

      Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

    • 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

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

MITRE ATT&CK Enterprise v6

Tasks