Detectionmediumtest
Suspicious Extrac32 Execution
Download or Copy file with Extrac32
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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 Logic3 selectors
detection:
selection_lolbas:
- CommandLine|contains: extrac32.exe
- Image|endswith: '\extrac32.exe'
- OriginalFileName: 'extrac32.exe'
selection_archive:
CommandLine|contains: '.cab'
selection_options:
CommandLine|contains:
- /C
- /Y
- ' \\\\'
condition: all of selection_*False Positives
Unknown
False positive likelihood has not been assessed. Additional context may be needed during triage.
MITRE ATT&CK
Tactics
Techniques
Rule Metadata
Rule ID
aa8e035d-7be4-48d3-a944-102aec04400d
Status
test
Level
medium
Type
Detection
Created
Fri Nov 26
Modified
Sat Aug 13
Author
Path
rules/windows/process_creation/proc_creation_win_lolbin_extrac32.yml
Raw Tags
attack.command-and-controlattack.t1105