Sudan holds a strategic position in the Nile Basin. By controlling water that flows into the Nile, Sudan can exert leverage over Egypt, whose 115 million people are almost entirely dependent on the river for food and water security. A dependent, leashed Egypt allows Israel to do whatever they want in Gaza.
Sudan is also in the midst of its own Civil War which has been going on basically since their independence. Sudanese come to work in Australia and send money back home to help with the victims of the Civil War.
These remittances play a significant role in Sudan’s economy: in 2021, funds sent to Sudan totaled about US $12 billion equivalent to 23.9% of the country’s GDP.