General

  • Target

    226e17cfbb96351f5685baa039c1c4d2cb4d3d94172ea3bb0cfb7238a91abaf6

  • Size

    1.2MB

  • Sample

    220305-wn55rsggh8

  • MD5

    82ad6beb400743eab16ff8f9d5a0f8ba

  • SHA1

    82f6d54c4f49746b0387803165171222d0ae1c44

  • SHA256

    226e17cfbb96351f5685baa039c1c4d2cb4d3d94172ea3bb0cfb7238a91abaf6

  • SHA512

    b386ecf6174347c2fe55c97137b14a83fdf0a5c54af901c641ad568154ffb1e9f38f01c1b47f46ddcf0d3cb3bf6aad2e146eda8d48dfd4cbd629963ebf32774d

Malware Config

Targets

    • Target

      226e17cfbb96351f5685baa039c1c4d2cb4d3d94172ea3bb0cfb7238a91abaf6

    • Size

      1.2MB

    • MD5

      82ad6beb400743eab16ff8f9d5a0f8ba

    • SHA1

      82f6d54c4f49746b0387803165171222d0ae1c44

    • SHA256

      226e17cfbb96351f5685baa039c1c4d2cb4d3d94172ea3bb0cfb7238a91abaf6

    • SHA512

      b386ecf6174347c2fe55c97137b14a83fdf0a5c54af901c641ad568154ffb1e9f38f01c1b47f46ddcf0d3cb3bf6aad2e146eda8d48dfd4cbd629963ebf32774d

    • Matrix Ransomware

      Targeted ransomware with information collection and encryption functionality.

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Modifies boot configuration data using bcdedit

    • Drops file in Drivers directory

    • Executes dropped EXE

    • Modifies extensions of user files

      Ransomware generally changes the extension on encrypted files.

    • Sets service image path in registry

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Checks computer location settings

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

    • Loads dropped DLL

    • Modifies file permissions

    • Reads user/profile data of web browsers

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

    • Drops desktop.ini file(s)

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Sets desktop wallpaper using registry

MITRE ATT&CK Enterprise v6

Tasks