General

  • Target
    6c905b18c6865b7bfa638c7c46620f59.exe
  • Size 831KB
  • Sample210505-p1a3z3bcfe
  • SHA256 50164e878b632fdf08b4f0de2060872ede8970238cbcfc55e32bfc1f81dfb4e2
  • MD5 SHA1 SHA512

Malware Config

Targets

    • Target
      6c905b18c6865b7bfa638c7c46620f59.exe
    • Size 831KB
    • SHA256 50164e878b632fdf08b4f0de2060872ede8970238cbcfc55e32bfc1f81dfb4e2
    • 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