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General

  • Target

    b8bcf7f99b2403289f47c07a9103c9dbf8c8f3d797eb3c1f3f0dcfb193f0267f

  • Size

    439KB

  • Sample

    221020-n71emachd6

  • MD5

    42526338eba2dea6bbe3e733cca203d0

  • SHA1

    ef858b005e62f3200c9cbf71ad4fd3e9fc18e77b

  • SHA256

    b8bcf7f99b2403289f47c07a9103c9dbf8c8f3d797eb3c1f3f0dcfb193f0267f

  • SHA512

    d964d83eeb99031f1ee6cbcc6098b388aedf6bae26c3c1d78d4431924faea174e78f67d79d53dd6960f69091ffc9bbb657c0280da6f5641f7cf082c287c17ec1

  • SSDEEP

    12288:WwYIGAYrF06GhThvMikc/5cv7K3LJx9ahDFXyGCrHV:WwYIGA3ThLLmKd7ahMGCrH

Malware Config

Targets

    • Target

      b8bcf7f99b2403289f47c07a9103c9dbf8c8f3d797eb3c1f3f0dcfb193f0267f

    • Size

      439KB

    • MD5

      42526338eba2dea6bbe3e733cca203d0

    • SHA1

      ef858b005e62f3200c9cbf71ad4fd3e9fc18e77b

    • SHA256

      b8bcf7f99b2403289f47c07a9103c9dbf8c8f3d797eb3c1f3f0dcfb193f0267f

    • SHA512

      d964d83eeb99031f1ee6cbcc6098b388aedf6bae26c3c1d78d4431924faea174e78f67d79d53dd6960f69091ffc9bbb657c0280da6f5641f7cf082c287c17ec1

    • SSDEEP

      12288:WwYIGAYrF06GhThvMikc/5cv7K3LJx9ahDFXyGCrHV:WwYIGA3ThLLmKd7ahMGCrH

    • Modifies visibility of file extensions in Explorer

    • UAC bypass

    • Executes dropped EXE

    • Modifies extensions of user files

      Ransomware generally changes the extension on encrypted files.

    • Checks computer location settings

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

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v6

Tasks