Malicious Quantum Ransomware ttsel Payload Execution via Command Line

ATT&CK techniques

Priv Esc → Defense Evasion

Recon
Resource Dev
Initial Access
Execution
Persistence
Priv Esc
- T1055Process Injection
Defense Evasion
- T1055Process Injection
Cred Access
Discovery
Lateral Movement
Collection
C2
Exfiltration
Impact

What it detects

This rule detects execution of the ttsel.exe payload used during Quantum ransomware intrusions to stage tooling on compromised hosts. The named binary is a meaningful constant tied to this campaign chain that follows IcedID access. Its execution indicates hands-on-keyboard activity progressing toward ransomware deployment.

Reporting behind it

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Malicious Quantum Ransomware ttsel Payload Execution via Command Line

Pivot detection · T1055 · 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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