In the title compound, C(16)H(14)Br(2)N(2)O(2), the dihedral angle between the mean planes of the two benzene rings is 33.4 (2)°. The hydrazine group is twisted slightly, with C-N-N-C and C-C-N-N torsion angles of 167.5 (4) and 177.2 (4)/174.2 (4)°, respectively.