The official statement by the Russian Foreign Ministry came in response to ‘false’ media reports about the non-payment of insurance funds.
Weeks before, Minval published what it said was a leaked audio recording of Russian officers ordering the plane to be fired upon.
Discussing the lawsuit, President Ilham Aliyev referenced the 2014 shooting down of MH17, which international courts have found Russia was responsible for.
The last 24 hours have seen a widening of the conflict between Azerbaijan and Russia, with arrests in both countries.
The pro-government Azerbaijani media outlet APA said that Russia has yet to release any details of its investigation into the crash.
The two foreign ministers also discussed increased cooperation in regional organisations.
Azerbaijan has previously accused Russia of shooting down the flight by accident.
