This can be translated in active form. Alternate translation: "the twelve priestly officials weighed out the silver, gold and objects" (See: [[rc://en/ta/man/translate/figs-activepassive]])
Here "the hand of Meremoth" represents Meremoth's care of the silver, gold, and objects. The men weighed those things and gave them to Meremoth to take care of them. (See: [[rc://en/ta/man/translate/figs-metonymy]])