General

  • Target

    242713ef2f372f0d39ca8f01bd09c9f99bcfe850e156621c023dd9e0bfb9bd95

  • Size

    1.2MB

  • Sample

    220201-jr1cgabfc2

  • MD5

    a93bd199d34d21cc9102600c6ce782cf

  • SHA1

    31b50d84aa1af4f0e76a523382caba476f6e45dc

  • SHA256

    242713ef2f372f0d39ca8f01bd09c9f99bcfe850e156621c023dd9e0bfb9bd95

  • SHA512

    642e0cacf80a54ffa8f1bdeebb2a9b9449bb062bc331924ff8b6c93853ade68cdbd23928081d7c5da7bce944f5c553b0c4b05bd90fda525f017415bd891534c2

Malware Config

Targets

    • Target

      242713ef2f372f0d39ca8f01bd09c9f99bcfe850e156621c023dd9e0bfb9bd95

    • Size

      1.2MB

    • MD5

      a93bd199d34d21cc9102600c6ce782cf

    • SHA1

      31b50d84aa1af4f0e76a523382caba476f6e45dc

    • SHA256

      242713ef2f372f0d39ca8f01bd09c9f99bcfe850e156621c023dd9e0bfb9bd95

    • SHA512

      642e0cacf80a54ffa8f1bdeebb2a9b9449bb062bc331924ff8b6c93853ade68cdbd23928081d7c5da7bce944f5c553b0c4b05bd90fda525f017415bd891534c2

    • 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.

    • 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