It again denied any role in the breach of tens of thousands of confidential Sony emails and business files.
An unnamed spokesman of North Korea's foreign ministry on Sunday accused the U.S. of "groundlessly" stirring up hostility toward Pyongyang and claimed that the new sanctions would not weaken the country's military might.
North Korea has expressed fury over the Sony comedy flick "The Interview," which depicts the fictional assassination of leader Kim Jong Un. However, it denied involvement in the cyberattack against Sony, which later escalated to threats of terrorist attacks against movie theatres. The film was released in limited theatres and online.