Hrabarenka's first International Ice Hockey Federation (IIHF) tournament was the 2008 World U18 Championship, where he represented the Belarusian national under-18 team. Belarus finished ninth and was relegated to Division I for the next year. His next appearance was at the 2009 World U18 Championship Division I. At the 2009 tournament he helped Belarus win their group and earn a promotion to the top division for the following year. He also played at the 2012 World Junior Championship Division I.