General

  • Target

    empyrean-grabber.zip

  • Size

    448KB

  • Sample

    250331-qgg7gazzdw

  • MD5

    41a2cc8d16f20760c63686f838f0f943

  • SHA1

    e0c2b78fa530231a128acfcdb1f58664b6e51018

  • SHA256

    39be4e8d2228461b42ca590d1da8904ff50e3bb1e4b9bb3208375adc29fc1073

  • SHA512

    750369601ce32a9b9ca232af495dfde4b11b83d118e2a423a631010f0149e7b97d32df243f2b4027e526bc0c5ffe0a89177672cc5b145135512770828f69fe16

  • SSDEEP

    12288:Uis5lzKZRAoNZGeaVK7o9kKf+0LkvxRN0Hm8zWODYbZP:Uis5QRtZGeQi0IvLODYbZP

Malware Config

Targets

    • Target

      empyrean-grabber.zip

    • Size

      448KB

    • MD5

      41a2cc8d16f20760c63686f838f0f943

    • SHA1

      e0c2b78fa530231a128acfcdb1f58664b6e51018

    • SHA256

      39be4e8d2228461b42ca590d1da8904ff50e3bb1e4b9bb3208375adc29fc1073

    • SHA512

      750369601ce32a9b9ca232af495dfde4b11b83d118e2a423a631010f0149e7b97d32df243f2b4027e526bc0c5ffe0a89177672cc5b145135512770828f69fe16

    • SSDEEP

      12288:Uis5lzKZRAoNZGeaVK7o9kKf+0LkvxRN0Hm8zWODYbZP:Uis5QRtZGeQi0IvLODYbZP

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Downloads MZ/PE file

    • 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

    • 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.

    • Enumerates connected drives

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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks