Malicious NotPetya Payload Execution via Rundll32 Ordinal Export from Windows Directory

ATT&CK techniques

Execution

Recon
Resource Dev
Initial Access
Execution
- T1569.002Service Execution
Persistence
Priv Esc
Defense Evasion
Cred Access
Discovery
Lateral Movement
Collection
C2
Exfiltration
Impact

What it detects

This rule detects rundll32 launching a DLL from the Windows root directory by ordinal export number one which matches the NotPetya execution pattern documented by NCC Group. The ransomware was copied into the Windows folder and executed via its first ordinal to encrypt disks and spread laterally.

Reporting behind it

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Malicious NotPetya Payload Execution via Rundll32 Ordinal Export from Windows Directory

Pivot detection · T1569.002 · 9 related

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