An 83-year-old man had a bucket thrown at him when he intervened to stop two people stealing his car in the early hours of the morning, NT Police said.

NT government crime marketing manager Sita Bacher said in a statement police were looking for information after the attempted robbery at a house in Moulden on Tuesday.

She said that about 4:30am police were told two male offenders allegedly attempted to steal a vehicle on Commelina Crt, Moulden.

The 83-year-old owner confronted the pair, Ms Bacher said, and one of them allegedly threw a bucket at the victim and made verbal threats before running away.

Ms Bacher said the resident sustained minor injuries.

Serious Crime Squad detectives are investigating the incident and are urging residents in the area to review their CCTV and provide information to police on 131 444. You can can also report anonymously through Crime Stoppers.