Suggested ID based on numerous similar images on https://bie.ala.org.au/species/https://biodiversity.org.au/afd/taxa/5e2a3536-2d8c-40d3-a3af-ce7aa2a241dd#gallery
May well be a Bucolus (it resembles Bucolus convexus at https://www.ento.csiro.au/biology/ladybirds/big_images/species/bucolConvexusDor.jpg ), but some species of Scymnodes and Telsimia are also similar. A safe identification would require close examination of a specimen.