General

  • Target

    a6df222572f57fabf6896d7dd6cca8e9ed8941e896b3094f7707ad9a700696c3

  • Size

    1.3MB

  • Sample

    220306-bkpy6ahga3

  • MD5

    b9b5c6c4e7704fddd39f46d293f2ca08

  • SHA1

    7f8d2d8af69405bc5feab6621aea70bc34dd8eb4

  • SHA256

    a6df222572f57fabf6896d7dd6cca8e9ed8941e896b3094f7707ad9a700696c3

  • SHA512

    aee5caaa7fc5c94741fc44f8a1615fe874c70d95a6be4249433d403d669e1f03fd0dbcfa9926b8897d4237d91ca8714cf9a95a239ff26bb8a2024b91e2a83fe6

Malware Config

Targets

    • Target

      a6df222572f57fabf6896d7dd6cca8e9ed8941e896b3094f7707ad9a700696c3

    • Size

      1.3MB

    • MD5

      b9b5c6c4e7704fddd39f46d293f2ca08

    • SHA1

      7f8d2d8af69405bc5feab6621aea70bc34dd8eb4

    • SHA256

      a6df222572f57fabf6896d7dd6cca8e9ed8941e896b3094f7707ad9a700696c3

    • SHA512

      aee5caaa7fc5c94741fc44f8a1615fe874c70d95a6be4249433d403d669e1f03fd0dbcfa9926b8897d4237d91ca8714cf9a95a239ff26bb8a2024b91e2a83fe6

    • 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