Suspicious msdt Execution of Audio Diagnostic via UNC1069 ClickFix

ATT&CK techniques

Execution → Defense Evasion

Recon
Resource Dev
Initial Access
Execution
- T1204.004Malicious Copy and Paste
Persistence
Priv Esc
Defense Evasion
- T1218.005Mshta
Cred Access
Discovery
Lateral Movement
Collection
C2
Exfiltration
Impact

What it detects

This rule detects msdt.exe launching the AudioPlaybackDiagnostic troubleshooter which UNC1069 abuses in ClickFix lures alongside mshta to execute payloads. Attackers use the Microsoft diagnostic tool as a living off the land execution proxy after socially engineering the victim.

Reporting behind it

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Malicious Mshta Spawned by WMI or WinRM Provider via process_creation

Suspicious mshta.exe Executing Embedded JavaScript from LNK Chain (via process_creation)

Suspicious msdt Execution of Audio Diagnostic via UNC1069 ClickFix

Pivot detection · T1218.005 · 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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