Library / Windows
wudfhost.exe
Windows Driver Foundation - User-mode Driver Framework Host Process · Microsoft Corporation
WindowsSysmon-confirmedSigma refs: 1
OriginalFilename
WUDFHost.exe
Query snippets
logsource:
category: process_creation
product: windows
detection:
selection:
- Image|endswith: '\wudfhost.exe'
- OriginalFileName: 'WUDFHost.exe'
condition: selectionprocess_creation logsource. Sigma string matching is case-insensitive.
| tstats summariesonly=false count values(Processes.original_file_name) as original_file_name
from datamodel=Endpoint.Processes
where (Processes.original_file_name="WUDFHost.exe" OR Processes.process_name="wudfhost.exe")
by Processes.dest Processes.process_name Processes.process_path Processes.process
| rename Processes.* as *Endpoint.Processes data model. On raw Sysmon events the field is OriginalFileName.
DeviceProcessEvents
| where ProcessVersionInfoOriginalFileName in~ ("WUDFHost.exe")
or FileName =~ "wudfhost.exe"Microsoft Defender XDR advanced hunting. in~ and =~ are case-insensitive.
process where event.type == "start" and
(process.pe.original_file_name in~ ("WUDFHost.exe") or
process.name : "wudfhost.exe")ECS process.pe.original_file_name is a keyword field: in~ is case-insensitive, Kibana KQL is not.
['wudfhost.exe'].includes(String(OriginalFileName || '').toLowerCase())Filter expression (JavaScript) for events carrying Sysmon's OriginalFileName field.
Values across builds
| OriginalFilename | Builds | Arch | File version | Windows releases | Source | Sysmon |
|---|---|---|---|---|---|---|
| WUDFHost.exe | 10 | x64 | 10.0.10240.21161 → 10.0.28000.3231 | Win10 1507 → Win11 26H1 (12) | Host scan, Winbindex | ✓ 1 |
All 10 parsed builds · 8 Windows release groups not verifiable
| SHA256 | Version | Arch | OriginalFilename | Windows releases | Signature | Source | Sysmon |
|---|---|---|---|---|---|---|---|
| 3c6d332a8c92… | 10.0.28000.3231 | x64 | WUDFHost.exe | Win11 26H1 | Signed (Overlay) | Winbindex | |
| 0780aef80d43… | 10.0.26100.9711 | x64 | WUDFHost.exe | Win11 24H2 | Signed (Overlay) | Host scan, Winbindex | ✓ |
| 62c949c18805… | 10.0.17763.9376 | x64 | WUDFHost.exe | Win10 1809 | Unsigned | Winbindex | |
| eab59553aecd… | 10.0.14393.8519 | x64 | WUDFHost.exe | Win10 1607 | Unsigned | Winbindex | |
| 2d97146e7fdf… | 10.0.26100.5074 | x64 | WUDFHost.exe | Win11 24H2, Win11 25H2 | Signed (Overlay) | Winbindex | |
| 3a8f266c8d0d… | 10.0.10240.21161 | x64 | WUDFHost.exe | Win10 1507 | Unsigned | Winbindex | |
| 28cb4ebd5994… | 10.0.19041.1865 | x64 | WUDFHost.exe | Win10 20H2 … Win10 22H2 (3) | Unsigned | Winbindex | |
| bb4dd2c216c7… | 10.0.18362.2158 | x64 | WUDFHost.exe | Win10 1909 | Unsigned | Winbindex | |
| 007712752e50… | 10.0.15063.0 | x64 | WUDFHost.exe | Win10 1703 | Unsigned | Winbindex | |
| 22bb28675ffa… | 10.0.10586.0 | x64 | WUDFHost.exe | Win10 1511 | Unsigned | Winbindex |
Winbindex builds link to the Microsoft symbol server copy that was hashed and parsed.