Library / LOLBin
jsc.exe
jsc.exe · Microsoft Corporation
OriginalFilename
jsc.exe
Query snippets
logsource:
category: process_creation
product: windows
detection:
selection:
- Image|endswith: '\jsc.exe'
- OriginalFileName: 'jsc.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="jsc.exe" OR Processes.process_name="jsc.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~ ("jsc.exe")
or FileName =~ "jsc.exe"Microsoft Defender XDR advanced hunting. in~ and =~ are case-insensitive.
process where event.type == "start" and
(process.pe.original_file_name in~ ("jsc.exe") or
process.name : "jsc.exe")ECS process.pe.original_file_name is a keyword field: in~ is case-insensitive, Kibana KQL is not.
['jsc.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 |
|---|---|---|---|---|---|---|
| jsc.exe | 13 | x86 | 14.6.79.0 → 14.8.10001.0 | Win10 1507 → Win11 25H2 (19) | Host scan, Winbindex | ✓ 1 |
All 13 parsed builds
| SHA256 | Version | Arch | OriginalFilename | Windows releases | Signature | Source | Sysmon |
|---|---|---|---|---|---|---|---|
| e3e8a8ea8699… | 14.8.9221.0 | x86 | jsc.exe | Win11 25H2 | Signed (Overlay) | Winbindex | |
| e65ddf09ec95… | 14.8.9032.0 | x86 | jsc.exe | Win11 22H2 … Win11 24H2 (3) | Signed (Overlay) | Winbindex | |
| 39e87f0edcdd… | 14.8.4084.0 | x86 | jsc.exe | Win10 2004 … Win10 22H2 (5) | Signed (Overlay) | Winbindex | |
| ffec0de61d7a… | 14.8.4161.0 | x86 | jsc.exe | Win11 21H2 | Signed (Overlay) | Winbindex | |
| 3bbacdee67a5… | 14.8.3752.0 | x86 | jsc.exe | Win10 1903, Win10 1909 | Signed (Overlay) | Winbindex | |
| 83cfd310dfe2… | 14.7.3190.0 | x86 | jsc.exe | Win10 1809 | Signed (Overlay) | Winbindex | |
| d226cb553a10… | 14.7.3056.0 | x86 | jsc.exe | Win10 1803 | Signed (Overlay) | Winbindex | |
| fccadef3f7e9… | 14.7.2556.0 | x86 | jsc.exe | Win10 1709 | Signed (Overlay) | Winbindex | |
| 6ae37f63f1b4… | 14.7.2046.0 | x86 | jsc.exe | Win10 1703 | Signed (Overlay) | Winbindex | |
| ec6fe59c4981… | 14.6.1586.0 | x86 | jsc.exe | Win10 1607 | Signed (Overlay) | Winbindex | |
| 3744c0e68af2… | 14.6.1038.0 | x86 | jsc.exe | Win10 1511 | Signed (Overlay) | Winbindex | |
| a11f1a7ef47e… | 14.6.79.0 | x86 | jsc.exe | Win10 1507 | Signed (Overlay) | Winbindex | |
| fa59d69720fc… | 14.8.10001.0 | x86 | jsc.exe | Host scan | ✓ |
Winbindex builds link to the Microsoft symbol server copy that was hashed and parsed.