The agency wrote that it had obtained a previously unpublished digital hit list.
In Ukraine, Fancy Bear attempted to break into at least 545 accounts, including those of President Petro Poroshenko and his son Oleksiy, half a dozen current and former ministers such as Interior Minister Arsen Avakov and as many as two dozen current and former lawmakers.
Among the targets in Russia were oil tycoon-turned-Kremlin foe Mikhail Khodorkovsky and Pussy Riot's Maria Alekhina. Along with them were 100 more civil society figures, including anti-corruption campaigner Alexei Navalny and his lieutenants.
Earlier, the United States accused Fancy Bear of attacks on Montenegro.