Using malware, hackers breached the worldwide processors for Rakbank in the United Arab Emirates and the Bank of Muscat in Oman.

WSJ: Anatomy of a global bank cyber theft

The scheme involved attacks on two banks, Rakbank in the United Arab Emirates and the Bank of Muscat in Oman, prosecutors said.

WSJ: Global network of hackers steal $45m from ATMs

To carry out the theft, the cybercrime group allegedly hacked into computer networks for processors of prepaid debit cards provided by the National Bank of Ras Al-Khaimah PSC in the United Arab Emirates and the Bank of Muscat in Oman, prosecutors said.

WSJ: Group Arrested in Alleged Global ATM Cybercrime