Library / LOLBin
provlaunch.exe
Provisioning package runtime command launching tool · Microsoft Corporation
OriginalFilename
provlaunch
Differs from file name
Gotchas
- OriginalFilename doesn't match the file name: a rule using
OriginalFileName: provlaunch.exenever fires.
Query snippets
logsource:
category: process_creation
product: windows
detection:
selection:
- Image|endswith: '\provlaunch.exe'
- OriginalFileName: 'provlaunch'
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="provlaunch" OR Processes.process_name="provlaunch.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~ ("provlaunch")
or FileName =~ "provlaunch.exe"Microsoft Defender XDR advanced hunting. in~ and =~ are case-insensitive.
process where event.type == "start" and
(process.pe.original_file_name in~ ("provlaunch") or
process.name : "provlaunch.exe")ECS process.pe.original_file_name is a keyword field: in~ is case-insensitive, Kibana KQL is not.
['provlaunch'].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 |
|---|---|---|---|---|---|---|
| provlaunch | 10 | x64, x86 | 10.0.10586.0 → 10.0.28000.1896 | Win10 1511 → Win11 26H1 (7) | Host scan, Winbindex | ✓ 2 |
All 10 parsed builds · 25 Windows release groups not verifiable
| SHA256 | Version | Arch | OriginalFilename | Windows releases | Signature | Source | Sysmon |
|---|---|---|---|---|---|---|---|
| d14e23770e45… | 10.0.28000.1896 | x86 | provlaunch | Win11 26H1 | Unsigned | Winbindex | |
| ccf6eda3be36… | 10.0.28000.1896 | x64 | provlaunch | Win11 26H1 | Winbindex | ||
| 7c68a4e7473f… | 10.0.26100.8521 | x64 | provlaunch | Win11 24H2 | Unsigned | Host scan, Winbindex | ✓ |
| 0a5f73ef1680… | 10.0.26100.8521 | x86 | provlaunch | Win11 24H2 | Unsigned | Host scan, Winbindex | ✓ |
| 1336950ae552… | 10.0.14393.8146 | x64 | provlaunch | Win10 1607 | Unsigned | Winbindex | |
| d411ceeb26a5… | 10.0.26100.3470 | x64 | provlaunch | Win11 24H2, Win11 25H2 | Signed (Catalog file) | Winbindex | |
| 99a922935a8a… | 10.0.26100.3470 | x86 | provlaunch | Win11 24H2, Win11 25H2 | Signed (Catalog file) | Winbindex | |
| 9f74b09f2d24… | 10.0.17763.1 | x64 | provlaunch | Win10 1809 | Unsigned | Winbindex | |
| a61daf3657f2… | 10.0.17134.1 | x64 | provlaunch | Win10 1803 | Unsigned | Winbindex | |
| e8883ac9a0ae… | 10.0.10586.0 | x64 | provlaunch | Win10 1511 | Unsigned | Winbindex |
Winbindex builds link to the Microsoft symbol server copy that was hashed and parsed.