Emerging Threatcriticaltest
SNAKE Malware Service Persistence
Detects the creation of a service named "WerFaultSvc" which seems to be used by the SNAKE malware as a persistence mechanism as described by CISA in their report
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Launch
Emerging Threat
Active Threat
Developed to detect an active or emerging threat. Prioritize investigation of any alerts and correlate with threat intelligence.
Log Source
Windowssystem
ProductWindows← raw: windows
Servicesystem← raw: system
Detection Logic
Detection Logic1 selector
detection:
selection:
Provider_Name: 'Service Control Manager'
EventID: 7045
ServiceName|contains: 'WerFaultSvc' # Note: The report contains a "," in the name ("WerFaultSvc,"). Since we can't confirm if its a typo or not we don't use it
ImagePath|startswith: 'C:\Windows\WinSxS\'
ImagePath|endswith: '\WerFault.exe'
condition: selectionFalse Positives
Unknown
False positive likelihood has not been assessed. Additional context may be needed during triage.
References
MITRE ATT&CK
Tactics
Other
detection.emerging-threats
Rule Metadata
Rule ID
b2e60816-96b2-45bd-ba91-b63578c03ef6
Status
test
Level
critical
Type
Emerging Threat
Created
Wed May 10
Path
rules-emerging-threats/2023/Malware/SNAKE/win_system_malware_snake_persistence_service.yml
Raw Tags
attack.persistencedetection.emerging-threats