Library / LOLBin
offlinescannershell.exe
Windows Defender Offline Shell · Microsoft Corporation
OriginalFilename
OfflineScannerShell.exe
Query snippets
logsource:
category: process_creation
product: windows
detection:
selection:
- Image|endswith: '\offlinescannershell.exe'
- OriginalFileName: 'OfflineScannerShell.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="OfflineScannerShell.exe" OR Processes.process_name="offlinescannershell.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~ ("OfflineScannerShell.exe")
or FileName =~ "offlinescannershell.exe"Microsoft Defender XDR advanced hunting. in~ and =~ are case-insensitive.
process where event.type == "start" and
(process.pe.original_file_name in~ ("OfflineScannerShell.exe") or
process.name : "offlinescannershell.exe")ECS process.pe.original_file_name is a keyword field: in~ is case-insensitive, Kibana KQL is not.
['offlinescannershell.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 |
|---|---|---|---|---|---|---|
| OfflineScannerShell.exe | 11 | x64 | 4.11.15063.0 → 4.18.18362.1 | Win10 1703 → Win11 26H1 (13) | Host scan, Winbindex | ✓ 1 |
All 11 parsed builds · 4 Windows release groups not verifiable
| SHA256 | Version | Arch | OriginalFilename | Windows releases | Signature | Source | Sysmon |
|---|---|---|---|---|---|---|---|
| cbcd8573b042… | 4.18.17763.9020 | x64 | OfflineScannerShell.exe | Win10 1809 | Signed (Overlay) | Winbindex | |
| d63cb622a51c… | 4.18.1907.16384 | x64 | OfflineScannerShell.exe | Win11 26H1 | Signed (Overlay) | Winbindex | |
| c16b8fb0aa82… | 4.18.1907.16384 | x64 | OfflineScannerShell.exe | Win11 21H2 | Signed (Overlay) | Winbindex | |
| a5512ce7f7ce… | 4.18.1907.16384 | x64 | OfflineScannerShell.exe | Win10 21H2 | Signed (Overlay) | Winbindex | |
| cb18a4de52e9… | 4.18.1907.16384 | x64 | OfflineScannerShell.exe | Win10 20H2 … Win10 22H2 (3) | Signed (Overlay) | Winbindex | |
| eef3c6179a74… | 4.18.1907.16384 | x64 | OfflineScannerShell.exe | Win10 2004, Win10 21H1 | Signed (Overlay) | Winbindex | |
| b7d4c33f8704… | 4.18.18362.1 | x64 | OfflineScannerShell.exe | Win10 1903, Win10 1909 | Signed (Overlay) | Winbindex | |
| e4f866ba4a6e… | 4.13.17134.1 | x64 | OfflineScannerShell.exe | Win10 1803 | Signed (Overlay) | Winbindex | |
| 7301188f5fe3… | 4.12.16299.15 | x64 | OfflineScannerShell.exe | Win10 1709 | Signed (Overlay) | Winbindex | |
| 62a7b4c0f237… | 4.11.15063.0 | x64 | OfflineScannerShell.exe | Win10 1703 | Signed (Overlay) | Winbindex | |
| 5d84674faf02… | 4.18.1907.16384 | x64 | OfflineScannerShell.exe | Host scan | ✓ |
Winbindex builds link to the Microsoft symbol server copy that was hashed and parsed.