Detectives are investigating a break in De Courcy shopping centre in Carrickfergus last week.
The incident happened sometime around midnight between August 27 and 28.
Intruders forced entry and at this stage it is thought they made an attempt to break in to an ATM.
Anyone with information is asked to contact Larne PSNI detectives on 101.
Alternatively, those who would prefer to give information without giving their details can call Crimestoppers on 0800 555 111.