KiloEX exchange exploiter returns $5.5M days after $7.5M hack

The hacker behind the $7.5 million KiloEx exploit returned $5.5 million worth of cryptocurrency four days after the attack.Decentralized exchange (DEX) KiloEx suspended platform operations after suffering a $7.5 million exploit, Cointelegraph reported on April 15.In a surprising turn of events, the wallet address behind the exploit has returned $5.5 million worth of cryptocurrency to the DEX.KiloEX exploiter returns $5.5m. Source: PeckShieldAlert#KiloEx exploiter -labeled addresses have returned ~$5.5M worth of cryptos to #KiloEx, according to an April 18 X post from blockchain security platform PeckShieldAlert.Related: Mantra OM token crash exposes critical liquidity issues in cryptoThe unexpected repayment occurred after KiloEx offered the hacker a $750,000 white hat bounty 10% of the stolen amount if they returned 90% of the looted assets.The platform said it was working with law enforcement and cybersecurity firms, including Seal-911, SlowMist and Sherlock, to uncover more about the hackers activity and identity.The initial attack may have been caused due to a price oracle issue, where the information used by a smart contract to determine the price of an asset is manipulated or inaccurate, leading to the exploit, PeckShield said in an April 14 X post.Related: Top 100 DeFi Hacks: Offchain attack vectors account for 57% of lossesThis is a developing story, and further information will be added as it becomes available.