Library / Windows
srtasks.exe
Microsoft® Windows System Protection background tasks. · Microsoft Corporation
WindowsSysmon-confirmedSigma refs: 1
OriginalFilename
srtasks.exe
Query snippets
logsource:
category: process_creation
product: windows
detection:
selection:
- Image|endswith: '\srtasks.exe'
- OriginalFileName: 'srtasks.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="srtasks.exe" OR Processes.process_name="srtasks.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~ ("srtasks.exe")
or FileName =~ "srtasks.exe"Microsoft Defender XDR advanced hunting. in~ and =~ are case-insensitive.
process where event.type == "start" and
(process.pe.original_file_name in~ ("srtasks.exe") or
process.name : "srtasks.exe")ECS process.pe.original_file_name is a keyword field: in~ is case-insensitive, Kibana KQL is not.
['srtasks.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 |
|---|---|---|---|---|---|---|
| srtasks.exe | 11 | x64 | 10.0.10240.18485 → 10.0.28000.2804 | Win10 1507 → Win11 26H1 (15) | Host scan, Winbindex | ✓ 1 |
All 11 parsed builds · 5 Windows release groups not verifiable
| SHA256 | Version | Arch | OriginalFilename | Windows releases | Signature | Source | Sysmon |
|---|---|---|---|---|---|---|---|
| dfa686a10b46… | 10.0.28000.2804 | x64 | srtasks.exe | Win11 26H1 | Unsigned | Winbindex | |
| 93d9e83c15f4… | 10.0.26100.9549 | x64 | srtasks.exe | Win11 24H2 | Unsigned | Host scan, Winbindex | ✓ |
| 2baaf44abf41… | 10.0.17763.1039 | x64 | srtasks.exe | Win10 1809 | Unsigned | Winbindex | |
| d033bacf5d07… | 10.0.14393.3503 | x64 | srtasks.exe | Win10 1607 | Unsigned | Winbindex | |
| 23c5d3da43b7… | 10.0.10240.18485 | x64 | srtasks.exe | Win10 1507 | Unsigned | Winbindex | |
| 693105226758… | 10.0.26100.1 | x64 | srtasks.exe | Win11 24H2, Win11 25H2 | Signed (Catalog file) | Winbindex | |
| 40e27a9039a2… | 10.0.19041.84 | x64 | srtasks.exe | Win10 2004 … Win10 22H2 (5) | Unsigned | Winbindex | |
| 318c7971aca6… | 10.0.17134.1304 | x64 | srtasks.exe | Win10 1803 | Unsigned | Winbindex | |
| e4c3dd2aec47… | 10.0.15063.2283 | x64 | srtasks.exe | Win10 1703 | Unsigned | Winbindex | |
| d8e65f912f81… | 10.0.16299.1685 | x64 | srtasks.exe | Win10 1709 | Unsigned | Winbindex | |
| 17dd14799c76… | 10.0.10586.0 | x64 | srtasks.exe | Win10 1511 | Unsigned | Winbindex |
Winbindex builds link to the Microsoft symbol server copy that was hashed and parsed.