Emerging Threathightest
Potential COLDSTEEL RAT Windows User Creation
Detects creation of a new user profile with a specific username, seen being used by some variants of the COLDSTEEL RAT.
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Nasreddine Bencherchali (Nextron Systems)Created Tue May 02Updated Thu Aug 1795214813-4c7a-4a50-921b-ee5c538e1d162023
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|contains|all:
- '\SOFTWARE\Microsoft\Windows NT\CurrentVersion\ProfileList\S-1-5-21-'
- '\ProfileImagePath'
Details|contains:
- 'ANONYMOUS'
- '_DomainUser_'
condition: selectionFalse Positives
Unknown
False positive likelihood has not been assessed. Additional context may be needed during triage.
References
MITRE ATT&CK
Tactics
Other
detection.emerging-threats
Rule Metadata
Rule ID
95214813-4c7a-4a50-921b-ee5c538e1d16
Status
test
Level
high
Type
Emerging Threat
Created
Tue May 02
Modified
Thu Aug 17
Path
rules-emerging-threats/2023/Malware/COLDSTEEL/registry_set_malware_coldsteel_created_users.yml
Raw Tags
attack.persistencedetection.emerging-threats