General

  • Target
    2024-11-12_e69415ca98def8c63e803e2650ade87d_virlock
  • Size 654KB
  • Sample241112-m9e12azphy
  • SHA256 4f5b836dd533c9caa02e08ac7a37f652234f7ca7e5e4c52dd7a3940cb8d18007
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Targets

    • Target
      2024-11-12_e69415ca98def8c63e803e2650ade87d_virlock
    • Size 654KB
    • SHA256 4f5b836dd533c9caa02e08ac7a37f652234f7ca7e5e4c52dd7a3940cb8d18007
    • MD5 SHA1 SHA512 SSDEEP
    • Modifies visibility of file extensions in Explorer

    • UAC bypass

    • Renames multiple (56) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Adds Run key to start application

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks