sigmahighHunting

Script Event Consumer Spawning Process

Detects a suspicious child process of Script Event Consumer (scrcons.exe).

MITRE ATT&CK

execution

Detection Query

selection:
  ParentImage|endswith: \scrcons.exe
  Image|endswith:
    - \svchost.exe
    - \dllhost.exe
    - \powershell.exe
    - \pwsh.exe
    - \wscript.exe
    - \cscript.exe
    - \schtasks.exe
    - \regsvr32.exe
    - \mshta.exe
    - \rundll32.exe
    - \msiexec.exe
    - \msbuild.exe
condition: selection

Author

Sittikorn S

Created

2021-06-21

Data Sources

windowsProcess Creation Events

Platforms

windows

References

Tags

attack.executionattack.t1047

Raw Content

title: Script Event Consumer Spawning Process
id: f6d1dd2f-b8ce-40ca-bc23-062efb686b34
status: test
description: Detects a suspicious child process of Script Event Consumer (scrcons.exe).
references:
    - https://redcanary.com/blog/child-processes/
    - https://docs.paloaltonetworks.com/cortex/cortex-xdr/cortex-xdr-analytics-alert-reference/cortex-xdr-analytics-alert-reference/scrcons-exe-rare-child-process.html
author: Sittikorn S
date: 2021-06-21
modified: 2022-07-14
tags:
    - attack.execution
    - attack.t1047
logsource:
    category: process_creation
    product: windows
detection:
    selection:
        ParentImage|endswith: '\scrcons.exe'
        Image|endswith:
            - '\svchost.exe'
            - '\dllhost.exe'
            - '\powershell.exe'
            - '\pwsh.exe'
            - '\wscript.exe'
            - '\cscript.exe'
            - '\schtasks.exe'
            - '\regsvr32.exe'
            - '\mshta.exe'
            - '\rundll32.exe'
            - '\msiexec.exe'
            - '\msbuild.exe'
    condition: selection
falsepositives:
    - Unknown
level: high