A LOLBIN was copied to a different location

Synopsis

Field	Value
Activation Period	14 Days
Training Period	30 Days
Test Period	N/A (single event)
Deduplication Period	6 Hours
Required Data	XDR Agent
ATT&CK Tactic	Stealth (TA0005)
ATT&CK Technique	Masquerading: Rename Legitimate Utilities (T1036.003)
Severity	Informational

Description

To evade detection, attackers may copy a LOLBIN executable to a different location.

Attacker's Goals

Command execution via lolbins and detection avoidance via file rename.

Investigative actions

• Check whether the executing process is benign and if this was a desired behavior as part of its normal execution flow.
• Check the destination path of the lolbin and try to see if it's benign.

Variations

A LOLBIN was copied to a different location using a rare command line

Synopsis

Field	Value
ATT&CK Tactic	Stealth (TA0005)
ATT&CK Technique	Masquerading: Rename Legitimate Utilities (T1036.003)
Severity	High

Description

To evade detection, attackers may copy a LOLBIN executable to a different location.

Attacker's Goals

Command execution via lolbins and detection avoidance via file rename.

Investigative actions

• Check whether the executing process is benign and if this was a desired behavior as part of its normal execution flow.
• Check the destination path of the lolbin and try to see if it's benign.

A LOLBIN was copied to a different location using a rare command line via a commonly used method

Synopsis

Field	Value
ATT&CK Tactic	Stealth (TA0005)
ATT&CK Technique	Masquerading: Rename Legitimate Utilities (T1036.003)
Severity	Low

Description

To evade detection, attackers may copy a LOLBIN executable to a different location.

Attacker's Goals

Command execution via lolbins and detection avoidance via file rename.

Investigative actions

• Check whether the executing process is benign and if this was a desired behavior as part of its normal execution flow.
• Check the destination path of the lolbin and try to see if it's benign.