Detectionhightest
RunDLL32 Spawning Explorer
Detects RunDLL32.exe spawning explorer.exe as child, which is very uncommon, often observes Gamarue spawning the explorer.exe process in an unusual way
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Launch
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 Logic2 selectors
detection:
selection:
ParentImage|endswith: '\rundll32.exe'
Image|endswith: '\explorer.exe'
filter:
ParentCommandLine|contains: '\shell32.dll,Control_RunDLL'
condition: selection and not filterFalse Positives
Unknown
False positive likelihood has not been assessed. Additional context may be needed during triage.
References
MITRE ATT&CK
Tactics
Sub-techniques
Rule Metadata
Raw Tags
attack.defense-evasionattack.t1218.011