Library / Windows
svchost.exe
Host Process for Windows Services · Microsoft Corporation
WindowsSysmon-confirmedLOLRMM: OverlordSigma refs: 38
OriginalFilename
svchost.exe
Name reused by an RMM tool
Gotchas
- LOLRMM lists Overlord as shipping a file named
svchost.exe. That's a different binary reusing the name; this page covers the one parsed below. Rename detection on OriginalFilename separates them.
Query snippets
logsource:
category: process_creation
product: windows
detection:
selection:
- Image|endswith: '\svchost.exe'
- OriginalFileName: 'svchost.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="svchost.exe" OR Processes.process_name="svchost.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~ ("svchost.exe")
or FileName =~ "svchost.exe"Microsoft Defender XDR advanced hunting. in~ and =~ are case-insensitive.
process where event.type == "start" and
(process.pe.original_file_name in~ ("svchost.exe") or
process.name : "svchost.exe")ECS process.pe.original_file_name is a keyword field: in~ is case-insensitive, Kibana KQL is not.
['svchost.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 |
|---|---|---|---|---|---|---|
| svchost.exe | 22 | x64, x86 | 10.0.10240.19235 → 10.0.28000.1896 | Win10 1507 → Win11 26H1 (13) | Host scan, Winbindex | ✓ 2 |
All 22 parsed builds · 14 Windows release groups not verifiable
| SHA256 | Version | Arch | OriginalFilename | Windows releases | Signature | Source | Sysmon |
|---|---|---|---|---|---|---|---|
| 42e1dafde109… | 10.0.28000.1896 | x64 | svchost.exe | Win11 26H1 | Signed (Overlay) | Winbindex | |
| 2b404387f97f… | 10.0.28000.1896 | x86 | svchost.exe | Win11 26H1 | Signed (Overlay) | Winbindex | |
| 3abd5dca193d… | 10.0.26100.8737 | x86 | svchost.exe | Win11 24H2 | Signed (Overlay) | Host scan, Winbindex | ✓ |
| 1222a44a5fdb… | 10.0.26100.8737 | x64 | svchost.exe | Win11 24H2 | Signed (Overlay) | Host scan, Winbindex | ✓ |
| 74c8dfd7bb0d… | 10.0.14393.8864 | x64 | svchost.exe | Win10 1607 | Signed (Overlay) | Winbindex | |
| 49b88247f7e1… | 10.0.14393.8864 | x86 | svchost.exe | Win10 1607 | Signed (Overlay) | Winbindex | |
| c0053ec8fad2… | 10.0.26100.5074 | x86 | svchost.exe | Win11 24H2, Win11 25H2 | Signed (Overlay) | Winbindex | |
| 53a39b900e3b… | 10.0.26100.5074 | x64 | svchost.exe | Win11 24H2, Win11 25H2 | Signed (Overlay) | Winbindex | |
| 77117870a582… | 10.0.10240.19235 | x64 | svchost.exe | Win10 1507 | Signed (Overlay) | Winbindex | |
| 09080e344200… | 10.0.10240.19235 | x86 | svchost.exe | Win10 1507 | Signed (Overlay) | Winbindex | |
| 196512d0985f… | 10.0.22000.527 | x86 | svchost.exe | Win11 21H2 | Signed (Overlay) | Winbindex | |
| 0ad27dc6b692… | 10.0.22000.527 | x64 | svchost.exe | Win11 21H2 | Signed (Overlay) | Winbindex | |
| e9c5a42bdcca… | 10.0.17763.2989 | x64 | svchost.exe | Win10 1809 | Signed (Overlay) | Winbindex | |
| df18cd20b8a1… | 10.0.17763.2989 | x86 | svchost.exe | Win10 1809 | Signed (Overlay) | Winbindex | |
| f3feb95e7bcf… | 10.0.19041.1566 | x64 | svchost.exe | Win10 20H2 | Signed (Overlay) | Winbindex | |
| e488bb5672b1… | 10.0.19041.1566 | x86 | svchost.exe | Win10 20H2 | Signed (Overlay) | Winbindex | |
| 643ec58e82e0… | 10.0.19041.546 | x64 | svchost.exe | Win10 2004 … Win10 21H2 (4) | Signed (Overlay) | Winbindex | |
| 5c3257b277f1… | 10.0.19041.546 | x86 | svchost.exe | Win10 2004 … Win10 21H2 (4) | Signed (Overlay) | Winbindex | |
| 9be0f20bb5f3… | 10.0.17134.1276 | x64 | svchost.exe | Win10 1803 | Signed (Overlay) | Winbindex | |
| 59f4d42056bc… | 10.0.17134.1276 | x86 | svchost.exe | Win10 1803 | Signed (Overlay) | Winbindex | |
| 9f9425fe5725… | 10.0.10586.0 | x86 | svchost.exe | Win10 1511 | Signed (Overlay) | Winbindex | |
| 5d00bbeb147e… | 10.0.10586.0 | x64 | svchost.exe | Win10 1511 | Signed (Overlay) | Winbindex |
Winbindex builds link to the Microsoft symbol server copy that was hashed and parsed.