- The film is a remake/reimagining of director Anthony DiBlasi’s earlier 2014 film Last Shift (2014).
- Principal photography took place on location in an abandoned prison in downtown Louisville, Kentucky, from August to September 2022.
- Malum was released theatrically in the United States on March 31, 2023, by Welcome Villain Films. The film was released on video-on-demand (VOD) and digital platforms on May 16, 2023.