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@MHaggis MHaggis commented Jan 20, 2026

Storm-0501 Ransomware Analytic Story

Summary

Adds a new analytic story for Storm-0501, a financially motivated RaaS affiliate known for hybrid cloud ransomware attacks targeting government, healthcare, and critical infrastructure sectors.

New Analytic Story

  • stories/storm_0501_ransomware.yml

Tagged Detections (14)

Detection Category
Detect RClone Command-Line Usage Exfiltration
Common Ransomware Notes Impact
WBAdmin Delete System Backups Impact
Suspicious wevtutil Usage Defense Evasion
Disable Windows Behavior Monitoring Defense Evasion
Windows Suspicious C2 Named Pipe Command & Control
Impacket Lateral Movement Commandline Parameters Lateral Movement
Impacket Lateral Movement WMIExec Commandline Parameters Lateral Movement
Detect PsExec With accepteula Flag Lateral Movement
Detect Remote Access Software Usage Process Command & Control
SecretDumps Offline NTDS Dumping Tool Credential Access
NLTest Domain Trust Discovery Discovery
Azure AD New Federated Domain Added Persistence
Azure AD Privileged Role Assigned Privilege Escalation

References

### Summary
Adds a new analytic story for **Storm-0501**, a financially motivated RaaS affiliate known for hybrid cloud ransomware attacks targeting government, healthcare, and critical infrastructure sectors.

### New Analytic Story
- `stories/storm_0501_ransomware.yml`

### Tagged Detections (14)

| Detection | Category |
|-----------|----------|
| Detect RClone Command-Line Usage | Exfiltration |
| Common Ransomware Notes | Impact |
| WBAdmin Delete System Backups | Impact |
| Suspicious wevtutil Usage | Defense Evasion |
| Disable Windows Behavior Monitoring | Defense Evasion |
| Windows Suspicious C2 Named Pipe | Command & Control |
| Impacket Lateral Movement Commandline Parameters | Lateral Movement |
| Impacket Lateral Movement WMIExec Commandline Parameters | Lateral Movement |
| Detect PsExec With accepteula Flag | Lateral Movement |
| Detect Remote Access Software Usage Process | Command & Control |
| SecretDumps Offline NTDS Dumping Tool | Credential Access |
| NLTest Domain Trust Discovery | Discovery |
| Azure AD New Federated Domain Added | Persistence |
| Azure AD Privileged Role Assigned | Privilege Escalation |

### References
- [Microsoft: Storm-0501 Ransomware attacks expanding to hybrid cloud environments](https://www.microsoft.com/en-us/security/blog/2024/09/26/storm-0501-ransomware-attacks-expanding-to-hybrid-cloud-environments/)
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