Not Hymenorus, which is an American genus. This may be family Scraptiidae. See https://inaturalist.ala.org.au/observations/326280340 , identified as "Scraptiidae".
Numerous Australian Dermestidae previously assigned to genus Trogoderma have been transferred to Eurhopalus, leaving only one (introduced) species in Trogoderma - see https://biodiversity.org.au/afd/taxa/DERMESTIDAE .
This species has been identified online as "Pseudolycus sp." (in family Oedemeridae). However, there have been taxonomic changes in this family, and it may have been assigned to a different genus.