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Detectionmediumtest

Lolbin Unregmp2.exe Use As Proxy

Detect usage of the "unregmp2.exe" binary as a proxy to launch a custom version of "wmpnscfg.exe"

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François HubautCreated Thu Dec 29Updated Tue Jun 04727454c0-d851-48b0-8b89-385611ab0704windows
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_img:
        - Image|endswith: '\unregmp2.exe'
        - OriginalFileName: 'unregmp2.exe'
    selection_cmd:
        CommandLine|contains|windash: ' /HideWMP'
    condition: all of selection_*
False Positives
Unknown

False positive likelihood has not been assessed. Additional context may be needed during triage.

References
1
Resolving title…
lolbas-project.github.io
MITRE ATT&CK
Rule Metadata
Rule ID
727454c0-d851-48b0-8b89-385611ab0704
Status
test
Level
medium
Type
Detection
Created
Thu Dec 29
Modified
Tue Jun 04
Author
François Hubaut
Path
rules/windows/process_creation/proc_creation_win_lolbin_unregmp2.yml
Raw Tags
attack.defense-evasionattack.t1218
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