Kokomo Finance Hack
What happened
Kokomo Finance was rugpulled for 4,163,392 $USD. Project's social media was removed after an exit scam.
Kokomo Finance is a Lending and Borrowing Protocol running on a layer-2 Optimism chain. $KOKO token deployer conducted malicious actions and drained 4,163,392 $USD worth of assets from various pools. 3,967,779 $USD worth 141 $WBTC was drained after the implementation of the cBTC contract was changed and 7,000 $soWBTC was siphoned out to another EOA address and then swapped to $WTBC.
All the stolen funds this way were transferred through EOA addresses. The rest 195,613 $USD worth of $ETH was drained from KOKO/WETH UniSwap pool by the deployer-related address and almost all of the amount currently stay at the drainer's original address. Project-related social media accounts were removed shortly after an incident.
Scammer addresses:
https://optimistic.etherscan.io/address/0x41be327a…b3310f
https://optimistic.etherscan.io/address/0x5a2d0e3d…0f5716
https://optimistic.etherscan.io/address/0x5c8db6ee…cf7bff
KOKO pool drainer address:
https://optimistic.etherscan.io/address/0xe06b252d…e82f8e
Malicious transactions:
https://optimistic.etherscan.io/tx/0xd751d8b9…b6f20b
https://optimistic.etherscan.io/tx/0x728b3f1d…3da67e
Case & protocol details
Security review history
- 0xGuard Report
Evidence & learning
Sources and on-chain records
- report Report coindesk.com
- report Report twitter.com
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