General

  • Target

    5f156e7a8c86f7760b4448e314394c8e6e98cad8e385ec32a047c5b86ead953f

  • Size

    1.3MB

  • Sample

    220731-wymfeaahd7

  • MD5

    7bedd0c5e4d5c7a6f5ad69898598b526

  • SHA1

    c0263f12b942d370260cf23eddcbd34abaf8b08e

  • SHA256

    5f156e7a8c86f7760b4448e314394c8e6e98cad8e385ec32a047c5b86ead953f

  • SHA512

    68e4e99155bc17e72b04ce5af4a6b86eab66ef6efae138dcdea420e93b2ccd3a01e5c1dfea278d37a0e6426c656fe5cacd008b983b24740595c647260808fc29

Malware Config

Targets

    • Target

      5f156e7a8c86f7760b4448e314394c8e6e98cad8e385ec32a047c5b86ead953f

    • Size

      1.3MB

    • MD5

      7bedd0c5e4d5c7a6f5ad69898598b526

    • SHA1

      c0263f12b942d370260cf23eddcbd34abaf8b08e

    • SHA256

      5f156e7a8c86f7760b4448e314394c8e6e98cad8e385ec32a047c5b86ead953f

    • SHA512

      68e4e99155bc17e72b04ce5af4a6b86eab66ef6efae138dcdea420e93b2ccd3a01e5c1dfea278d37a0e6426c656fe5cacd008b983b24740595c647260808fc29

    • Matrix Ransomware

      Targeted ransomware with information collection and encryption functionality.

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • 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