The bank's financial report shows its after-tax profits were VND41 billion ($1.76 million), down from VND171 billion ($7.33 million) in the same period last year.
Net interest income and net income from its foreign exchange business saw the biggest declines: 40 percent and 15 percent.
ANZ Vietnam was one of the few lenders in the country to report negative credit growth, with loans outstanding edging down to VND12.6 trillion ($540 million) at the end of the second quarter.
In the first half return on equity was only 25 percent of the rate a year earlier.
But the poor performance notwithstanding, at the end of the first half its assets increased by 16 percent against the beginning of the year as deposits with the State Bank of Vietnam went up by VND320 billion ($13.72 million) and deposits with and loans to other credit institutions increased by VND4.15 trillion ($178 million).
South Korea’s Shinhan Bank last year acquired ANZ’s retail business in Vietnam. The latter had around 125,000 individual customers, more than $231 million in loans outstanding and more than $578 million in deposits.
According to the General Department of Taxation, the bank was the 156th biggest taxpayer in the country last year.