Detectionhightest
Suspicious HWP Sub Processes
Detects suspicious Hangul Word Processor (Hanword) sub processes that could indicate an exploitation
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Florian Roth (Nextron Systems)Created Thu Oct 24Updated Sat Nov 27023394c4-29d5-46ab-92b8-6a534c6f447bwindows
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: '\Hwp.exe'
Image|endswith: '\gbb.exe'
condition: selectionFalse Positives
Unknown
False positive likelihood has not been assessed. Additional context may be needed during triage.
MITRE ATT&CK
Rule Metadata
Rule ID
023394c4-29d5-46ab-92b8-6a534c6f447b
Status
test
Level
high
Type
Detection
Created
Thu Oct 24
Modified
Sat Nov 27
Path
rules/windows/process_creation/proc_creation_win_hwp_exploits.yml
Raw Tags
attack.initial-accessattack.t1566.001attack.executionattack.t1203attack.t1059.003attack.g0032