The tier-one capital of the banks, which includes common stock and retained profit, totalled 6.4 billion lei at the end of September, up 43.8% from a year earlier, the BNM said.
Return on assets (ROA) fell to an average 4.04% in September from 4.12% a year earlier. Return on equity (ROE) fell to 23.31% from 25.31% in September 2007.
The share of foreign capital in Moldova's banking system rose to 73.09% at the end of September from 65.22% a year earlier.
Ex-Soviet Moldova has 16 commercial banks.
(1 euro=12.8335 Moldovan lei)