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Potentially Suspicious Child Process Of ClickOnce Application
Detects potentially suspicious child processes of a ClickOnce deployment application
Detection Query
selection:
ParentImage|contains: \AppData\Local\Apps\2.0\
Image|endswith:
- \calc.exe
- \cmd.exe
- \cscript.exe
- \explorer.exe
- \mshta.exe
- \net.exe
- \net1.exe
- \nltest.exe
- \notepad.exe
- \powershell.exe
- \pwsh.exe
- \reg.exe
- \regsvr32.exe
- \rundll32.exe
- \schtasks.exe
- \werfault.exe
- \wscript.exe
condition: selection
Author
Nasreddine Bencherchali (Nextron Systems)
Created
2023-06-12
Data Sources
windowsProcess Creation Events
Platforms
windows
Tags
attack.executionattack.defense-evasion
Raw Content
title: Potentially Suspicious Child Process Of ClickOnce Application
id: 67bc0e75-c0a9-4cfc-8754-84a505b63c04
status: test
description: Detects potentially suspicious child processes of a ClickOnce deployment application
references:
- https://posts.specterops.io/less-smartscreen-more-caffeine-ab-using-clickonce-for-trusted-code-execution-1446ea8051c5
author: Nasreddine Bencherchali (Nextron Systems)
date: 2023-06-12
tags:
- attack.execution
- attack.defense-evasion
logsource:
category: process_creation
product: windows
detection:
selection:
ParentImage|contains: '\AppData\Local\Apps\2.0\'
Image|endswith:
# Add more suspicious processes
- '\calc.exe'
- '\cmd.exe'
- '\cscript.exe'
- '\explorer.exe'
- '\mshta.exe'
- '\net.exe'
- '\net1.exe'
- '\nltest.exe'
- '\notepad.exe'
- '\powershell.exe'
- '\pwsh.exe'
- '\reg.exe'
- '\regsvr32.exe'
- '\rundll32.exe'
- '\schtasks.exe'
- '\werfault.exe'
- '\wscript.exe'
condition: selection
falsepositives:
- Unknown
level: medium