General

  • Target
    8aeac5bbea163a66d0dd295f1e56b16a.exe
  • Size 843KB
  • Sample210505-rytg72sez6
  • SHA256 fe2ff75d50ee83ff92a927eb120cd0f5997df50f204d47919e4b7ad3a909ed69
  • MD5 SHA1 SHA512

Malware Config

Targets

    • Target
      8aeac5bbea163a66d0dd295f1e56b16a.exe
    • Size 843KB
    • SHA256 fe2ff75d50ee83ff92a927eb120cd0f5997df50f204d47919e4b7ad3a909ed69
    • 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