Vietcombank sold the dollar at VND24,830, up 0.08% from Wednesday.
The State Bank of Vietnam hiked its reference rate by 0.07% to VND24,167.
The dollar inched up 0.25% on the black market to VND25,065.
Globally the U.S. dollar rose broadly on Thursday, recovering from an earlier tumble in the immediate aftermath of the Federal Reserve's outsized interest rate cut that had been largely priced in by markets, Reuters reported.
It rebounded from a more than one-year low against a basket of currencies in the previous session and was last marginally higher at 101.03.
Against the yen, the greenback gained 0.58% to 143.12. The euro fell 0.04% to $1.1113, away from a three-week high hit in the previous session.