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General

  • Target

    c2ff7f8ca8638a31b5a804d4b6fef4ed652bbef08226644a55afa93a254f4df4

  • Size

    191KB

  • Sample

    221121-rywa4ahd3t

  • MD5

    2150e9d668b9f2ce453de405bfc4615d

  • SHA1

    30b9e251d5587feb2642ba9201b3fa4014c8e829

  • SHA256

    c2ff7f8ca8638a31b5a804d4b6fef4ed652bbef08226644a55afa93a254f4df4

  • SHA512

    46da089906cbb4753a959a61f9087816045a97f99b6659d54aac8f25c65025eca3f8df9d865f088e022840d60bffebee4c59e2b193b652d0fae8911ad2404f8b

  • SSDEEP

    3072:4rBK8fxYY3QxCdax/77OIrthxFK5joutjyAn:uK85B3QUdq/RZM5joSeA

Malware Config

Targets

    • Target

      c2ff7f8ca8638a31b5a804d4b6fef4ed652bbef08226644a55afa93a254f4df4

    • Size

      191KB

    • MD5

      2150e9d668b9f2ce453de405bfc4615d

    • SHA1

      30b9e251d5587feb2642ba9201b3fa4014c8e829

    • SHA256

      c2ff7f8ca8638a31b5a804d4b6fef4ed652bbef08226644a55afa93a254f4df4

    • SHA512

      46da089906cbb4753a959a61f9087816045a97f99b6659d54aac8f25c65025eca3f8df9d865f088e022840d60bffebee4c59e2b193b652d0fae8911ad2404f8b

    • SSDEEP

      3072:4rBK8fxYY3QxCdax/77OIrthxFK5joutjyAn:uK85B3QUdq/RZM5joSeA

    • Modifies firewall policy service

    • Modifies security service

    • Modifies visibility of file extensions in Explorer

    • Modifies visiblity of hidden/system files in Explorer

    • UAC bypass

    • Windows security bypass

    • Disables RegEdit via registry modification

    • Disables Task Manager via registry modification

    • Drops file in Drivers directory

    • Executes dropped EXE

    • Sets file execution options 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

    • Reads user/profile data of web browsers

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

    • Windows security modification

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks