Detectionhighexperimental
RunMRU Registry Key Deletion - Registry
Detects attempts to delete the RunMRU registry key, which stores the history of commands executed via the run dialog. In the clickfix techniques, the phishing lures instruct users to open a run dialog through (Win + R) and execute malicious commands. Adversaries may delete this key to cover their tracks after executing commands.
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Launch
Swachchhanda Shrawan Poudel (Nextron Systems)Created Thu Sep 253a9b8c1e-5b2e-4f7a-9d1c-2a7f3b6e1c55windows
Log Source
WindowsRegistry Delete
ProductWindows← raw: windows
CategoryRegistry Delete← raw: registry_delete
Detection Logic
Detection Logic1 selector
detection:
selection:
TargetObject|endswith: '\Software\Microsoft\Windows\CurrentVersion\Explorer\RunMRU'
condition: selectionFalse 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
Rule ID
3a9b8c1e-5b2e-4f7a-9d1c-2a7f3b6e1c55
Status
experimental
Level
high
Type
Detection
Created
Thu Sep 25
Path
rules/windows/registry/registry_delete/registry_delete_runmru.yml
Raw Tags
attack.defense-evasionattack.t1070.003