The couple was arrested late last evening on suspicion that they withdrew 110,643 ringgit (USD 34,850) from the bank accounts of two Malaysian and two Chinese victims.
The two accused, who were remanded until Sunday, had no previous criminal record, said Commercial CID chief Assistant Comm Izany Abd Ghani.
Police were also looking for a Pakistani man believed to be involved in the fraudulent withdrawals, Ghani added.
According to The Star, the cash was withdrawn in July from four HSBC accounts, and following an internal inquiry a police complaint was logged on August 2.
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Initial police investigation also revealed that from the 110,643 ringgit, a sum of 35,000 ringgit was transferred into a fifth account through Internet banking.
Zainuddin said the investigation revealed that the 35,000 ringgit was transferred to the Pakistani's bank account.
Police officials have also advised families of passengers of MH370 to monitor their (passengers') bank statements just to be vigilant.