Our company was scammed (invoice scam) and talking to police it’s actually easy. They transfer it to another local bank account (normally stolen), then immediately transfer it overseas. At that point it’s more or less gone.
* Australia is part of the "West" here - ironic from a strictly geographic perspective
I am going off-topic here, because Australia is in question here, so perhaps replace my use of "US" with Australia and "American" with "Australian".
You can file an MLAT request
https://en.wikipedia.org/wiki/Mutual_legal_assistance_treaty
But it's a complex, time consuming process usually only done in cases of terrorism or espionage, not run of the mill fraud.