Detectionhighexperimental
Suspicious Speech Runtime Binary Child Process
Detects suspicious Speech Runtime Binary Execution by monitoring its child processes. Child processes spawned by SpeechRuntime.exe could indicate an attempt for lateral movement via COM & DCOM hijacking.
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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:
ParentImage|endswith: '\SpeechRuntime.exe'
condition: selectionFalse Positives
Unlikely.
References
MITRE ATT&CK
Rule Metadata
Rule ID
78f10490-f2f4-4d19-a75b-4e0683bf3b8d
Status
experimental
Level
high
Type
Detection
Created
Thu Oct 23
Author
Path
rules/windows/process_creation/proc_creation_win_speechruntime_child_process.yml
Raw Tags
attack.defense-evasionattack.lateral-movementattack.t1021.003attack.t1218