Trickbot Malware Activity

calendar Jun 20, 2023 · attack.execution attack.t1559 detection.emerging_threats  ·
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Detects Trickbot malware process tree pattern in which "rundll32.exe" is a parent of "wermgr.exe"

Sigma rule (View on GitHub)

 1title: Trickbot Malware Activity
 2id: 58bf96d9-ff5f-44bd-8dcc-1c4f79bf3a27
 3related:
 4    - id: c37510b8-2107-4b78-aa32-72f251e7a844
 5      type: similar
 6status: stable
 7description: Detects Trickbot malware process tree pattern in which "rundll32.exe" is a parent of "wermgr.exe"
 8references:
 9    - https://twitter.com/swisscom_csirt/status/1331634525722521602?s=20
10    - https://app.any.run/tasks/f74c5157-8508-4ac6-9805-d63fe7b0d399/
11author: Florian Roth (Nextron Systems)
12date: 2020/11/26
13modified: 2021/11/27
14tags:
15    - attack.execution
16    - attack.t1559
17    - detection.emerging_threats
18logsource:
19    category: process_creation
20    product: windows
21detection:
22    selection:
23        Image|endswith: '\wermgr.exe'
24        ParentImage|endswith: '\rundll32.exe'
25        ParentCommandLine|contains: 'DllRegisterServer'
26    condition: selection
27falsepositives:
28    - Unknown
29level: high

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