Suspicious Arbitrary File Download Through GfxDownloadWrapper.EXE (via process_creation)

title: Suspicious Arbitrary File Download Through GfxDownloadWrapper.EXE (via process_creation)
id: 37d4f2d0-8328-59d7-a1f1-720138d5553c
status: stable
description: This rule detects execution of GfxDownloadWrapper.exe with a URL as an argument to download file.
references:
    - https://attack.mitre.org/techniques/T1105/
    - https://lolbas-project.github.io/lolbas/HonorableMentions/GfxDownloadWrapper/
author: Huntrule Team
date: 2026-01-14
tags:
    - attack.command-and-control
    - attack.t1105
logsource:
    category: process_creation
    product: windows
detection:
    selection:
        Image|endswith: '\GfxDownloadWrapper.exe'
        CommandLine|contains:
            - 'http://'
            - 'https://'
    filter_main_known_urls:
        CommandLine|contains: 'https://gameplayapi.intel.com/'
    condition: selection and not 1 of filter_main_*
falsepositives:
    - Unknown
level: medium