Two men recently jailed over a $2 million money laundering plot using a "cuckoo smurfing" scam are among 11 people already jailed as part of criminal syndicates caught exploiting Commonwealth Bank accounts to wash money.

Arlsan Shaffi and Salman Khan were arrested in May 2015 after laundering money using more than 100 CBA accounts in a complicated money-shifting scam.

The pair was jailed for a scheme involving the transfer of money between associates in separate countries in a manner that avoids the need for these parties to transfer money across borders and raise suspicions.

The pair laundered $1.78 million in cash deposits through 101 CBA bank accounts in 255 separate transactions. Authorities are now investigating the pair over at least another $3 million for offences under money laundering and counter-terrorism financing laws.