Uncommon DotNet module load relationship

Synopsis

Field	Value
Activation Period	14 Days
Training Period	30 Days
Test Period	N/A (single event)
Deduplication Period	1 Day
Required Data	XDR Agent
ATT&CK Tactic	Stealth (TA0005)
ATT&CK Technique	Reflective Code Loading (T1620)
Severity	Informational

Description

A signed process that usually doesn't use DotNet loaded a common DotNet module.

Attacker's Goals

Adversaries may reflectively load DotNet code into a process to conceal execution of malicious payloads.

Investigative actions

• Investigate the actor process for potential malicious activity.
• Check for recently installed services that may load DotNet modules.