The Dunfermline Athletic loanee, 19, who came through the ICT youth system, says his three goals at Cove was his first treble since playing as a kid in Stornoway.
Inverness pull three points clear of the relegation play-off place, while Cove retain second spot and Arbroath stand on the brink of the League One title.
The Inverness defender is chasing a victory at Cove Rangers to help keep his team out of the relegation zone in League One.
Former Inverness defender Hastings also reveals his best team-mate and toughest opponent - and which player in the dressing room had the worst attire.
Scott Kellacher is desperate for Caley Thistle to make a League One-leading shots on target tally count ahead of their visit to Cove Rangers on Saturday.
The former Inverness player and manager has the SPFL and SFA are "supportive" of the club's plight as they bid to secure a new buyer.
