Uncommon GetClipboardData API function invocation of a possible information stealer

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 with eXtended Threat Hunting (XTH)
ATT&CK Tactic	Collection (TA0009)
ATT&CK Technique	Clipboard Data (T1115)
Severity	Informational

Description

An unpopular process accessed clipboard content by calling the GetClipboardData API function. This behavior may indicate potential threats such as a keylogger or a RAT.

Attacker's Goals

Attackers can monitor the clipboard as another way for credential gathering or to collect more user data over time for espionage purposes.

Investigative actions

• Check if the process has a user interface (a visible window).
• Check if the process is a known user application that was updated recently.