Node Process Executions

Hunt Hypothesis

Detects the execution of other scripts using the Node executable packaged with Adobe Creative Cloud

Detection Rule

Sigma (Original)

title: Node Process Executions
id: df1f26d3-bea7-4700-9ea2-ad3e990cf90e
status: test
description: Detects the execution of other scripts using the Node executable packaged with Adobe Creative Cloud
references:
    - https://twitter.com/mttaggart/status/1511804863293784064
author: Max Altgelt (Nextron Systems)
date: 2022-04-06
tags:
    - attack.execution
    - attack.stealth
    - attack.t1127
    - attack.t1059.007
logsource:
    category: process_creation
    product: windows
detection:
    selection:
        Image|endswith: '\Adobe Creative Cloud Experience\libs\node.exe'
    filter:
        CommandLine|contains: 'Adobe Creative Cloud Experience\js' # Folder where Creative Cloud's JS resources are located
    condition: selection and not filter
falsepositives:
    - Unknown
level: medium

KQL (Azure Sentinel)

imProcessCreate
| where TargetProcessName endswith "\\Adobe Creative Cloud Experience\\libs\\node.exe" and (not(TargetProcessCommandLine contains "Adobe Creative Cloud Experience\\js"))

Required Data Sources

False Positive Guidance

• Unknown

MITRE ATT&CK Context

• Tactic: Execution
• Technique: T1127 — T1127
• Technique: T1059.007 — T1059.007

References

• https://twitter.com/mttaggart/status/1511804863293784064
• SigmaHQ Rule