Beosin: Sonne attacker borrowed VELO through flash loans and created new contracts to conduct multiple attacks

Odaily News According to Beosin Alert monitoring and early warning, the Sonne Finance protocol on the Optimism chain was attacked by hackers through flash loans. The attackers attacked multiple times, causing a total loss of about 20 million US dollars. The Beosin security team analyzed and found that the attacker borrowed VELO Token through flash loans, and sent it to the soVELO contract through transfer, created new contracts many times, borrowed various tokens of the Sonne Finance protocol in the new contracts, and redeemed VELO Token tokens. This repeated operation stole all the funds. At present, the attacker mainly saves funds in the following addresses: 0x02FA2625825917E9b1F8346a465dE1bBC150C5B9, 0x5D0D99e9886581ff8fCB01F35804317f5eD80BBb, 0xae4A7cDe7C99fb98B0D5fA414aa40F0300531F43. Beosin Trace will continue to monitor the movement of the stolen funds.