In Sukabumi, Hoegeng listed to Koto Kaisatsu Gakko course, a course for anyone who already trained in the police. Before graduation, Hoegeng and his friends thought that they would be promoted to higher rank named Junsabucho. On the contrary, their rank were to be lowered to Minarai Junsabucho. They protested heavily of the decision until General Harada of Sixteenth Army visited the place to calm them down. In 1944, Hoegeng graduated and with his three friends, Soetrisno, Noto Darsono, and Soenarto, were assigned to Chiang Bu (security department) of Semarang. Hoegeng and Soenarto held the Koto Kei Satsuka (intelligence division) post, while Noto and Soetrisno respectively were given position at Keimu Ka (general affairs) and Keiza Ka (economic affairs). After several weeks in Semarang, Hoegeng was promoted to Kei Bu Ho II. In the next several months, Hoegeng once again were promoted, this time to Kei Bu Ho I. Shortly before Japanese surrendered to Allied forces, Hoegeng were reassigned to Keibi Ka Cho (custody division) under the leadership of R. Soekarno Djojonegoro and was promoted again.