Knockaround Guys (2001)

The four sons (Diesel, Green, Pepper, Davoli) of major Brooklyn mobsters have to team up to retrieve a bag of cash in a small Montana town ruled by a corrupt sheriff. Specifically, the story gets started when Matt Demaret (Pepper) goes on a job to deliver the money for his mob father (Hopper) on the advice of his uncle (Malkovich). Things don't go as planned though...