General

  • Target

    8135a3e2d703c14354f8c32dfd4e5b63e8a25029ee733716ec2a41b0da3054aa

  • Size

    1.2MB

  • Sample

    201008-nkapgkn6ga

  • MD5

    a3da27f0a896681f858b41a685a2a961

  • SHA1

    79f36457605a92fa33e9c48502c362223823255c

  • SHA256

    8135a3e2d703c14354f8c32dfd4e5b63e8a25029ee733716ec2a41b0da3054aa

  • SHA512

    65b63b1ec040319a3ba989a1b13b73a12d962f18c7ebf67c9a55787df4399dba2189a8c2a5a3acb59756cbc816b6b33fa63a570951b982cb47ffb7f580901ae3

Malware Config

Targets

    • Target

      8135a3e2d703c14354f8c32dfd4e5b63e8a25029ee733716ec2a41b0da3054aa

    • Size

      1.2MB

    • MD5

      a3da27f0a896681f858b41a685a2a961

    • SHA1

      79f36457605a92fa33e9c48502c362223823255c

    • SHA256

      8135a3e2d703c14354f8c32dfd4e5b63e8a25029ee733716ec2a41b0da3054aa

    • SHA512

      65b63b1ec040319a3ba989a1b13b73a12d962f18c7ebf67c9a55787df4399dba2189a8c2a5a3acb59756cbc816b6b33fa63a570951b982cb47ffb7f580901ae3

    • 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.

    • Modifies service

    • Sets desktop wallpaper using registry

MITRE ATT&CK Enterprise v6

Tasks