Emerging Threathighstable

Trickbot Malware Activity

Detects Trickbot malware process tree pattern in which "rundll32.exe" is a parent of "wermgr.exe"

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Launch
Florian Roth (Nextron Systems)Created Thu Nov 26Updated Sat Nov 2758bf96d9-ff5f-44bd-8dcc-1c4f79bf3a272020
Emerging Threat
Active Threat

Developed to detect an active or emerging threat. Prioritize investigation of any alerts and correlate with threat intelligence.

Log Source
WindowsProcess Creation
ProductWindows← raw: windows
CategoryProcess Creation← raw: process_creation

Events generated when a new process is spawned on the system. Covers command-line arguments, parent/child relationships, and process metadata.

Detection Logic
Detection Logic1 selector
detection:
    selection:
        Image|endswith: '\wermgr.exe'
        ParentImage|endswith: '\rundll32.exe'
        ParentCommandLine|contains: 'DllRegisterServer'
    condition: selection
False Positives
Unknown

False positive likelihood has not been assessed. Additional context may be needed during triage.

MITRE ATT&CK

Other

detection.emerging-threats
Rule Metadata
Rule ID
58bf96d9-ff5f-44bd-8dcc-1c4f79bf3a27
Status
stable
Level
high
Type
Emerging Threat
Created
Thu Nov 26
Modified
Sat Nov 27
Path
rules-emerging-threats/2020/Malware/Trickbot/proc_creation_win_malware_trickbot_wermgr.yml
Raw Tags
attack.executionattack.t1559detection.emerging-threats
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