Potentially Suspicious Child Process Of ClickOnce Application

 1title: Potentially Suspicious Child Process Of ClickOnce Application
 2id: 67bc0e75-c0a9-4cfc-8754-84a505b63c04
 3status: test
 4description: Detects potentially suspicious child processes of a ClickOnce deployment application
 5references:
 6    - https://posts.specterops.io/less-smartscreen-more-caffeine-ab-using-clickonce-for-trusted-code-execution-1446ea8051c5
 7author: Nasreddine Bencherchali (Nextron Systems)
 8date: 2023-06-12
 9tags:
10    - attack.execution
11    - attack.defense-evasion
12logsource:
13    category: process_creation
14    product: windows
15detection:
16    selection:
17        ParentImage|contains: '\AppData\Local\Apps\2.0\'
18        Image|endswith:
19            # Add more suspicious processes
20            - '\calc.exe'
21            - '\cmd.exe'
22            - '\cscript.exe'
23            - '\explorer.exe'
24            - '\mshta.exe'
25            - '\net.exe'
26            - '\net1.exe'
27            - '\nltest.exe'
28            - '\notepad.exe'
29            - '\powershell.exe'
30            - '\pwsh.exe'
31            - '\reg.exe'
32            - '\regsvr32.exe'
33            - '\rundll32.exe'
34            - '\schtasks.exe'
35            - '\werfault.exe'
36            - '\wscript.exe'
37    condition: selection
38falsepositives:
39    - Unknown
40level: medium