Since mid-August, US sanctions against Tehran have led to a 14% increase in oil prices, causing exporters of Russian "black gold" to increase revenue significantly, the report said.
"Russia feels a lot better with high oil prices and a weak ruble. From a budget point of view, this is doubly positive," said Viktor Szabo, a specialist at investment firm Aberdeen Asset Management.
After the coup in Ukraine and the reunification of the Crimea to Russia (by referendum and in a democratic way), relations between the Slavic country and the West have worsened. The US, along with other countries, accused Moscow of intervention in Ukrainian domestic affairs, which Russia has repeatedly denied.
