General

  • Target

    81127b1fa7fcaf3ca205eb1a4405147a8965d4f7a58804527b986f18f9a3b8cc

  • Size

    783KB

  • Sample

    241126-bb1pasvrb1

  • MD5

    ad8f76fe71ffc8129c50a47214104d59

  • SHA1

    527281d452ce11334196c052049b929bdd7c8032

  • SHA256

    81127b1fa7fcaf3ca205eb1a4405147a8965d4f7a58804527b986f18f9a3b8cc

  • SHA512

    c480d80d931e60c0ea9406dc031353fd8410743b0692813081755d302b478cb5b6bcad5a3453373773669bbe9534b8bcbc0fa41320210b1134ed3d6a7c72d76c

  • SSDEEP

    12288:C761wOyrC4dtJHekiIPlHB1GzVoFB6UCBmdquf0qyoOCJUp+1EwOjo4snLM9TxBu:C7M1iJHJT1DGh9idqu8HoHUp+JUsLau

Malware Config

Targets

    • Target

      81127b1fa7fcaf3ca205eb1a4405147a8965d4f7a58804527b986f18f9a3b8cc

    • Size

      783KB

    • MD5

      ad8f76fe71ffc8129c50a47214104d59

    • SHA1

      527281d452ce11334196c052049b929bdd7c8032

    • SHA256

      81127b1fa7fcaf3ca205eb1a4405147a8965d4f7a58804527b986f18f9a3b8cc

    • SHA512

      c480d80d931e60c0ea9406dc031353fd8410743b0692813081755d302b478cb5b6bcad5a3453373773669bbe9534b8bcbc0fa41320210b1134ed3d6a7c72d76c

    • SSDEEP

      12288:C761wOyrC4dtJHekiIPlHB1GzVoFB6UCBmdquf0qyoOCJUp+1EwOjo4snLM9TxBu:C7M1iJHJT1DGh9idqu8HoHUp+JUsLau

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Event Triggered Execution: Image File Execution Options Injection

    • Modifies Windows Firewall

    • Checks computer location settings

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

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies system executable filetype association

    • Adds Run key to start application

    • Blocklisted process makes network request

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Checks whether UAC is enabled

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks