A 30-year-old man was taken by ambulance to Aberdeen Royal Infirmary for treatment following the incident in Alford.
The men forced their way into a property on Littlewood Place between 00.30 and 00.40 am on Tuesday, 8 February. They threatened the occupiers before running off with personal items.
The suspects are only described as wearing dark clothing.
Detective Constable Ewan Simpson, North East CID, said: "Due to fact that Alford is quite rural, we believe the suspects may have used a vehicle to get to the house.
"We have yet to establish why this particular home was targeted. Officers have been carrying out door-to-door enquiries and checking CCTV but would appeal to anyone who has not yet spoken to police or who has any information that will assist the investigation to come forward.
"Details can be passed to officers via 101 quoting referencing number 0094 of Tuesday, 8 February, 2022. Alternatively, Crimestoppers can be called anonymously on 0800 555 111."
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