Fodhelper.exe UAC bypass

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	Privilege Escalation (TA0004)
ATT&CK Technique	Abuse Elevation Control Mechanism: Bypass User Account Control (T1548.002)
Severity	Medium

Description

Attackers may use Fodhelper.exe to bypass UAC (User Account Control) by having it spawn their malicious process.

Attacker's Goals

Gain higher privileges by bypassing the User Account Control (UAC).

Investigative actions

• Search for a registry event that changes the key Software\Classes\ms-settings.
• Review the process that made the registry key.
• Check whether the executing process is benign and if this was a desired behavior as part of its normal execution flow.