Regsvr32 Rundll32 Image Loads Abnormal Extension

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This query is looking for regsvr32.exe or rundll32.exe loading DLL images with other extensions than .dll.

Attribute	Value
Type	Hunting Query
Solution	Microsoft Defender XDR
ID	b1f8aac2-766d-47ec-8787-84bc7692ff77
Tactics	DefenseEvasion
Techniques	T1218.010, T1218.011
Required Connectors	MicrosoftThreatProtection
Source	View on GitHub

Tables Used

This content item queries data from the following tables:

Table	Transformations	Ingestion API	Lake-Only
DeviceImageLoadEvents	✓	✗	?
DeviceNetworkEvents	✓	✗	?

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