Library / Windows
browser_broker.exe
Browser_Broker · Microsoft Corporation
WindowsSysmon-confirmed
OriginalFilename
browser_broker.EXE
Query snippets
logsource:
category: process_creation
product: windows
detection:
selection:
- Image|endswith: '\browser_broker.exe'
- OriginalFileName: 'browser_broker.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="browser_broker.EXE" OR Processes.process_name="browser_broker.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~ ("browser_broker.EXE")
or FileName =~ "browser_broker.exe"Microsoft Defender XDR advanced hunting. in~ and =~ are case-insensitive.
process where event.type == "start" and
(process.pe.original_file_name in~ ("browser_broker.EXE") or
process.name : "browser_broker.exe")ECS process.pe.original_file_name is a keyword field: in~ is case-insensitive, Kibana KQL is not.
['browser_broker.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 |
|---|---|---|---|---|---|---|
| browser_broker.EXE | 1 | x64 | 11.0.26100.8115 | Host scan | ✓ 1 |
All 1 parsed builds
| SHA256 | Version | Arch | OriginalFilename | Windows releases | Signature | Source | Sysmon |
|---|---|---|---|---|---|---|---|
| 2a0229a870c8… | 11.0.26100.8115 | x64 | browser_broker.EXE | Host scan | ✓ |
Winbindex builds link to the Microsoft symbol server copy that was hashed and parsed.