Library / LOLBin
register-cimprovider.exe
WMI · Microsoft Corporation
OriginalFilename
Register-CimProvider2.exe
Differs from file name
Gotchas
- OriginalFilename doesn't match the file name: a rule using
OriginalFileName: register-cimprovider.exenever fires.
Query snippets
logsource:
category: process_creation
product: windows
detection:
selection:
- Image|endswith: '\register-cimprovider.exe'
- OriginalFileName: 'Register-CimProvider2.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="Register-CimProvider2.exe" OR Processes.process_name="register-cimprovider.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~ ("Register-CimProvider2.exe")
or FileName =~ "register-cimprovider.exe"Microsoft Defender XDR advanced hunting. in~ and =~ are case-insensitive.
process where event.type == "start" and
(process.pe.original_file_name in~ ("Register-CimProvider2.exe") or
process.name : "register-cimprovider.exe")ECS process.pe.original_file_name is a keyword field: in~ is case-insensitive, Kibana KQL is not.
['register-cimprovider2.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 |
|---|---|---|---|---|---|---|
| Register-CimProvider2.exe | 8 | x64, x86 | 10.0.10240.16384 → 10.0.26100.1 | Win10 1507 → Win11 25H2 (5) | Host scan, Winbindex | ✓ 2 |
All 8 parsed builds · 28 Windows release groups not verifiable
| SHA256 | Version | Arch | OriginalFilename | Windows releases | Signature | Source | Sysmon |
|---|---|---|---|---|---|---|---|
| f59b5a2847ef… | 10.0.26100.1 | x64 | Register-CimProvider2.exe | Win11 24H2, Win11 25H2 | Signed (Catalog file) | Host scan, Winbindex | ✓ |
| 1b1bb4f05a7e… | 10.0.26100.1 | x86 | Register-CimProvider2.exe | Win11 24H2, Win11 25H2 | Signed (Catalog file) | Host scan, Winbindex | ✓ |
| 9cb89f4d7557… | 10.0.14393.0 | x64 | Register-CimProvider2.exe | Win10 1607 | Unsigned | Winbindex | |
| 08f6185dc430… | 10.0.14393.0 | x86 | Register-CimProvider2.exe | Win10 1607 | Unsigned | Winbindex | |
| b03bdfc5c398… | 10.0.10586.0 | x64 | Register-CimProvider2.exe | Win10 1511 | Unsigned | Winbindex | |
| 2d9e49a6c8af… | 10.0.10586.0 | x86 | Register-CimProvider2.exe | Win10 1511 | Unsigned | Winbindex | |
| c333123c6df4… | 10.0.10240.16384 | x86 | Register-CimProvider2.exe | Win10 1507 | Unsigned | Winbindex | |
| 5638af3f3d4e… | 10.0.10240.16384 | x64 | Register-CimProvider2.exe | Win10 1507 | Unsigned | Winbindex |
Winbindex builds link to the Microsoft symbol server copy that was hashed and parsed.