Malek Ashraf received a request for assistance by the Injuid Abu Ishaq against his cousin Pir Hosayn, following which Malek defeated Pir Hosayn in August 1342, allowing Abu Ishaq to temporarily regain control of Shiraz.
Upon the death of Hasan Kuchak in 1343, the Chobanid lands were at first split between Malek and his uncles Yagi Basti and Surgan.
After having Yagi Basti murdered in 1344, he sent envoys to Kayqubad I of Shirvan in order to secure a marriage alliance, however he refused.
Malek Ashraf raised another puppet named Anushirwan[4] as new Ilkhan in Arran and rode to Tabriz in 1346.
[5] In 1350 he also attempted to wrest Fars from the Injuids at the request of Mozaffarids, but failed to take Isfahan and was forced to settle for tribute.
His only son Temürtas was killed by Hasan Buzurg's successor Shaikh Uvais in 1360, while his daughter Soltanbakht was mentioned as having been in Shiraz.