Section 7. The bond required of a trustee appointed by the supreme judicial or superior court under section five shall be payable to the commonwealth, and shall otherwise be in such form as the court shall require. Such bond may be enforced in the name of the commonwealth by the attorney general, or by any person interested therein and duly authorized to take such action by the court where the bond is filed after notice to the attorney general. Any sums recovered shall be paid over or administered as the court directs.