Emerging Threathightest

Potential KamiKakaBot Activity - Winlogon Shell Persistence

Detects changes to the "Winlogon" registry key where a process will set the value of the "Shell" to a value that was observed being used by KamiKakaBot samples in order to achieve persistence.

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Launch
Nasreddine Bencherchali (Nextron Systems), X__JuniorCreated Fri Mar 22c9b86500-1ec2-4de6-9120-d744c8fb5caf2024
Emerging Threat
Active Threat

Developed to detect an active or emerging threat. Prioritize investigation of any alerts and correlate with threat intelligence.

Log Source
WindowsRegistry Set
ProductWindows← raw: windows
CategoryRegistry Set← raw: registry_set
Detection Logic
Detection Logic1 selector
detection:
    selection:
        TargetObject|endswith: '\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell'
        Details|contains|all:
            - '-nop -w h'
            - '$env'
            - 'explorer.exe'
            - 'Start-Process'
    condition: selection
False Positives
Unlikely

False positives are unlikely for most environments. High confidence detection.

Rule Metadata
Rule ID
c9b86500-1ec2-4de6-9120-d744c8fb5caf
Status
test
Level
high
Type
Emerging Threat
Created
Fri Mar 22
Path
rules-emerging-threats/2024/Malware/KamiKakaBot/registry_set_malware_kamikakabot_winlogon_persistence.yml
Raw Tags
attack.privilege-escalationattack.persistenceattack.t1547.001detection.emerging-threats
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