The national team, which was expected to be offered a bigger bonus in their second match, has since lost 1-2 to Malaysia in last night's game and needs to win big in their upcoming matches against Laos and Brunei.
The silver medal of Vietnam was secured by archer Chau Kieu Oanh in the women's individual three-string bow event.
Fatin and Nurul Syazhera each hit nines in the shoot-off, before Saritha rediscovered her flawless aim, hitting a 10 to claim Malaysia's first archery gold of the Games. "We came here just wanting to do our best, and thankfully our result has surpassed all our expectations".
Singapore won two bronze medals in archery - in the men's individual and team recurve events - at the previous Games on home soil.
Inspired by the women's success, the men's trio of Mohd Juwaidi Mazuki, Zulfadhli Ruslan and Lee Kin Lip were in control throughout their final, never trailing Singapore before sealing a 228-222 win.
Malaysia are now second in the group, tied on six points with Myanmar whom they will face next, on Monday.
Indonesia led the medal tally after winning two golds in Wednesday's run, followed by Malaysia with a gold, silver and bronze. "I hope all the players will focus game by game...", he said at a pre-match media conference, here today.