Emerging Threathightest
Potential Baby Shark Malware Activity
Detects activity that could be related to Baby Shark malware
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Launch
Florian Roth (Nextron Systems)Created Sun Feb 24Updated Wed Mar 082b30fa36-3a18-402f-a22d-bf4ce2189f352019
Emerging Threat
Active Threat
Developed to detect an active or emerging threat. Prioritize investigation of any alerts and correlate with threat intelligence.
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:
- CommandLine|contains|all:
- 'powershell.exe mshta.exe http'
- '.hta'
- CommandLine|contains:
- 'reg query "HKEY_CURRENT_USER\Software\Microsoft\Terminal Server Client\Default"'
- 'cmd.exe /c taskkill /im cmd.exe'
- "(New-Object System.Net.WebClient).UploadFile('http"
condition: selectionFalse Positives
Unknown
False positive likelihood has not been assessed. Additional context may be needed during triage.
MITRE ATT&CK
Techniques
Other
detection.emerging-threats
Rule Metadata
Rule ID
2b30fa36-3a18-402f-a22d-bf4ce2189f35
Status
test
Level
high
Type
Emerging Threat
Created
Sun Feb 24
Modified
Wed Mar 08
Path
rules-emerging-threats/2019/Malware/BabyShark/proc_creation_win_malware_babyshark.yml
Raw Tags
attack.executionattack.defense-evasionattack.discoveryattack.t1012attack.t1059.003attack.t1059.001attack.t1218.005detection.emerging-threats