General

  • Target

    drvupdate-amd64.exe

  • Size

    12.5MB

  • Sample

    241029-1pzrla1rgk

  • MD5

    d412865db372ff51f4237c496025639b

  • SHA1

    9cd5409d3ecf569b61beac788215ff3711c0f6fc

  • SHA256

    af48efac2b7d97cc0b70559a0a2be8cfeae961306ed16f0c91706a3bef6d61fc

  • SHA512

    661532765f49d56ff41119217b29719837f9773c396ba6d9efa95d21dcfabd3d7c89c2e688b7da9b9a984d760bc505d980be3ba2ad14b1359423a891c34508b1

  • SSDEEP

    393216:aqFZIAAa93h999999lvnMv+HmtFgWWgaxraJT4a:aPAN93h999999lMvmKgWKuTV

Malware Config

Targets

    • Target

      drvupdate-amd64.exe

    • Size

      12.5MB

    • MD5

      d412865db372ff51f4237c496025639b

    • SHA1

      9cd5409d3ecf569b61beac788215ff3711c0f6fc

    • SHA256

      af48efac2b7d97cc0b70559a0a2be8cfeae961306ed16f0c91706a3bef6d61fc

    • SHA512

      661532765f49d56ff41119217b29719837f9773c396ba6d9efa95d21dcfabd3d7c89c2e688b7da9b9a984d760bc505d980be3ba2ad14b1359423a891c34508b1

    • SSDEEP

      393216:aqFZIAAa93h999999lvnMv+HmtFgWWgaxraJT4a:aPAN93h999999lMvmKgWKuTV

    • Server Software Component: Terminal Services DLL

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • 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

    • Adds Run key to start application

    • Drops desktop.ini file(s)

    • 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