Malicious rundll32 Execution of COLDCOPY DLL via COLDRIVER ClickFix

ATT&CK techniques

Execution → Defense Evasion

Recon
Resource Dev
Initial Access
Execution
- T1204.002Malicious File
Persistence
Priv Esc
Defense Evasion
- T1218.011Rundll32
Cred Access
Discovery
Lateral Movement
Collection
C2
Exfiltration
Impact

What it detects

This rule detects rundll32.exe invoking COLDCOPY DLLs by their known filenames or by the humanCheck and verifyme export names used in COLDRIVER ClickFix lures. Attackers run these exports to launch the YESROBOT and MAYBEROBOT backdoors after tricking a user into pasting a Run dialog command.

Reporting behind it

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Malicious rundll32 Execution of COLDCOPY DLL via COLDRIVER ClickFix

Pivot detection · T1204.002 · 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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