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Hack Track: Analysis of Harmony's Horizon Bridge Exploit

2022-07-14, Merklescience
https://blog.merklescience.com/hacktrack/hacktrack-analysis-horizon-bridge-exploit
#Cryptocurrency #Harmony

Contents

Hack Track: Analysis of Harmony's Horizon Bridge Exploit
Merkle Science
[Update 2022.07.10]
Our previous analysis showed that the exploiter had transferred the stolen crypto assets from the Horizon bridge to an address controlled by him via 9 transactions. Following that, the exploiter started swapping crypto assets such as WETH, SUSHI, AAVE, DAI, etc. into ETH via multiple smart contract calls. The exploiter then broke down 18k+ of the swapped ETH into smaller amounts and dispersed it into multiple wallets. Subsequently, he started moving funds into Tornado Cash.
As of July 10, 2022, the exploiter has moved roughly 85,700 ETH to Tornado. Cash: Router from 14 different addresses which were linked to the Harmony Bridge Exploit
Figure 1: Funds transferred to Tornado Cash by the Hacker
Depositing Stolen Funds into Tornado Cash
According to our analysis, the stolen funds were routed to Tornado Cash’s 100 ETH (T100) contract. We came to this conclusion by examining the spike in …

IoC

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