RedCurl QWCrypt Ransomware Execution with Hyper-V Targeting Flags

ATT&CK techniques

Impact

Recon
Resource Dev
Initial Access
Execution
Persistence
Priv Esc
Defense Evasion
Cred Access
Discovery
Lateral Movement
Collection
C2
Exfiltration
Impact
- T1486Data Encrypted for Impact
- T1490Inhibit System Recovery

What it detects

This rule detects the QWCrypt ransomware binary launched with its distinctive command line flags that target Hyper-V virtual machines while excluding gateway hosts and disabling shadow copies during encryption.

Reporting behind it

Related detections9 linkedT1486 — drag to rearrange

Malicious Azure Deletion of Resource Locks and Immutability Policies

Malicious BitLocker Encryption With Shadow Copy Removal via manage-bde (via process_creation)

Malicious Azure Storage and Compute Destruction via Key Listing and Snapshot Deletion

Windows process activity matching WannaCry executables and ransom note text

Malicious Shadow Copy and Backup Catalog Deletion (via process_creation)

Malicious Boot Recovery Disabled via Bcdedit (via process_creation)

Possible Akira Ransomware Note or Encrypted Extension Creation

Malicious Storm-2603 Ransom Note File Creation

Possible Ransomware Note or Encrypted File Extension Creation

RedCurl QWCrypt Ransomware Execution with Hyper-V Targeting Flags

Pivot detection · T1486 · 9 related

Detection content is published as a reviewed draft. Tune thresholds and exclusions against your own telemetry before enabling this rule for alerting.

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