The goal lifted the Terps to a weekend sweep of the Scarlet Knights.
Despite outshooting the Wolverines 13-6, the Terps couldn't find a goal.
Wolverines goalkeeper Anna Spieker made five saves.
Bibi Donraat scored the winner in the 58th minute.
Barraco made seven saves for the Nittany Lions as the Terps dropped their second straight game.
The Terps didn't reach the national title game for the first time since 2016.
“She did her time as a redshirt. She’s now got the groove, and she knows what it takes.”
Goalkeeper Noelle Frost posted 11 saves, but the Terps were unable to stymie the Cavaliers' attack in overtime.
The Hawks entered the day averaging the most goals per game in Division I.
The Hawks average nearly four goals a game, which leads the country.