Fremantle Detectives are seeking information regarding an incident that occurred near the Aubin Grove Train Station in Atwell on Monday 20 January 2020.
Around 1pm, the female victim was leaving the station when she was approached by a man not known to her.
The man indecently assaulted the woman before running from the area.
Police have released a CCTV image of a man who they believe may be able to assist them with their investigation.
The man is described as: dark skinned, 180-185cm tall, slim build with a distinctive hair style. He was last seen wearing a white button-up shirt, jeans and a pair of slip on shoes.
If you have any information about the identity of this person or details of this offence please contact Crime Stoppers on 1800 333 000 or report online at www.crimestopperswa.com.au. You can remain anonymous if you wish and rewards are available once charges are laid. Please quote Reference Number 9523