Library / Windows
wmiapsrv.exe
WMI Performance Reverse Adapter · Microsoft Corporation
WindowsSysmon-confirmedSigma refs: 1
OriginalFilename
WmiApSrv.exe
Query snippets
logsource:
category: process_creation
product: windows
detection:
selection:
- Image|endswith: '\wmiapsrv.exe'
- OriginalFileName: 'WmiApSrv.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="WmiApSrv.exe" OR Processes.process_name="wmiapsrv.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~ ("WmiApSrv.exe")
or FileName =~ "wmiapsrv.exe"Microsoft Defender XDR advanced hunting. in~ and =~ are case-insensitive.
process where event.type == "start" and
(process.pe.original_file_name in~ ("WmiApSrv.exe") or
process.name : "wmiapsrv.exe")ECS process.pe.original_file_name is a keyword field: in~ is case-insensitive, Kibana KQL is not.
['wmiapsrv.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 |
|---|---|---|---|---|---|---|
| WmiApSrv.exe | 11 | x64 | 10.0.10240.17797 → 10.0.28000.3231 | Win10 1507 → Win11 26H1 (11) | Host scan, Winbindex | ✓ 1 |
All 11 parsed builds · 9 Windows release groups not verifiable
| SHA256 | Version | Arch | OriginalFilename | Windows releases | Signature | Source | Sysmon |
|---|---|---|---|---|---|---|---|
| 3d39d1a48b33… | 10.0.28000.3231 | x64 | WmiApSrv.exe | Win11 26H1 | Unsigned | Winbindex | |
| 119f1db622ce… | 10.0.26100.9711 | x64 | WmiApSrv.exe | Win11 24H2 | Unsigned | Host scan, Winbindex | ✓ |
| d48e526eb3e3… | 10.0.14393.9611 | x64 | WmiApSrv.exe | Win10 1607 | Unsigned | Winbindex | |
| 44b0d95eea10… | 10.0.10240.17797 | x64 | WmiApSrv.exe | Win10 1507 | Unsigned | Winbindex | |
| 58ee6e28c645… | 10.0.26100.5074 | x64 | WmiApSrv.exe | Win11 24H2, Win11 25H2 | Unsigned | Winbindex | |
| 69b65c337c10… | 10.0.22000.2836 | x64 | WmiApSrv.exe | Win11 21H2 | Unsigned | Winbindex | |
| 700cdc85479c… | 10.0.17134.1 | x64 | WmiApSrv.exe | Win10 1803 | Unsigned | Winbindex | |
| 2a05ea2653ce… | 10.0.19041.610 | x64 | WmiApSrv.exe | Win10 2004 | Unsigned | Winbindex | |
| c1580315758f… | 10.0.16299.402 | x64 | WmiApSrv.exe | Win10 1709 | Unsigned | Winbindex | |
| 5dd61ed60e35… | 10.0.15063.1182 | x64 | WmiApSrv.exe | Win10 1703 | Unsigned | Winbindex | |
| a89817bccbff… | 10.0.10586.0 | x64 | WmiApSrv.exe | Win10 1511 | Unsigned | Winbindex |
Winbindex builds link to the Microsoft symbol server copy that was hashed and parsed.