July 30, 2024
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Malware, Mint, and Misdirection: Bittensor, ETHTrustFund_, CGPT, and WMRP Hit in $10M+ Exploits

A rogue Python release drained $8M from Bittensor wallets. Fake ETHTrustFund_ lost $2M to a treasury key compromise. CGPT impersonators rugged users for $20K. A subtle WMRP reentrancy bug cost $10K. Social engineering and unchecked dependencies remain critical attack vectors.

In Brief

  • Fake ETHTrustFund_ lost $2M due to a private key compromise.
  • MRP Token suffered a $10K reentrancy attack.
  • Malicious python package costs Bittensor $8M.
  • CGPT was targeted in a $20K attack.

Hacks Analysis

Fake ETHTrustFund_ | Amount Lost: $2M’

On July 21st, the Fake ETHTrustFund_ exploit on the Base Chain resulted in a $2M loss. The root cause was the compromise of Fake ETHTrustFund_’s treasury wallet. The exploiter drained 3.2M BRETT coins and 477 ETH in two separate transactions. The stolen assets were later funneled into Tornado Cash and Railgun.

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Exploit Contract (on Base): 0x532f27101965dd16442e59d40670faf5ebb142e4

Transaction Hash: 0x2a7af282f777253ae4aa43679ba79658a77c45502040ea14fcae4bb183f88091

MRP Token | Amount Lost: $10K

On July 2nd, the MRP token expoit on the BNB chain resulted in a $10K loss. The root cause was a reentrancy vulnerability in the WMRP wrapped-token contract’s transfer() function. The attacker transferred WMRP tokens to themselves with a value of 0, triggering the fallback function during liquidity removal. This manipulation allowed the attacker to re-enter the receive function and transfer BNB to the WMRP contract.

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Exploit Contract (on BNB Chain): 0x35F5cEf517317694DF8c50C894080caA8c92AF7D

Transaction Hash: 0x4353a6d37e95a0844f511f0ea9300ef3081130b24f0cf7a4bd1cae26ec393101

Bittensor | Amount Lost: $8M

On July 2nd, the Bittensor exploit resulted in a $8M loss. The root cause was a malicious Python package in version 6.12.2 of Bittensor, which contained code to steal unencrypted coldkey details. When users downloaded this package and decrypted their coldkeys, the information was sent to a remote server controlled by the attacker, leading to the unauthorized transfer of 32,000 TAO tokens. The Bittensor team swiftly responded by putting the chain into “safe mode,” halting all transactions.

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Exploit Contract (on Bittensor Network): 5HHWXozwYUqYHZSrfDCaZSdhNrvDgkPha48zCgvEddeqR66x

Transaction Hash: 0x321bd115b2485b14656b83adbfd9ef575ea5a2b663b260e4d1da046307c944a5

CGPT | Amount Lost: $20K

On June 21st, the CGPT rug pull on the BNB chain resulted in a $20K loss. The exploiters impersonated ChainGPT, which is another decentralized platform, to deceive users. Both the CGPT Twitter account and website are now inaccessible.

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Exploit Contract (on BNB Chain): 0xc6f688cf2694298667830de83c020b16eeae5a45

Transaction Hash: 0x70de56f67d330a1749c5527f1427b1efb766f3fc5f005a4234ec546b786b2d1d

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  1. Follow-up: Conduct a follow-up review to ensure that the remediation steps were effective and that the smart contract is now secure.
  2. Follow-up: Conduct a follow-up review to ensure that the remediation steps were effective and that the smart contract is now secure.

In Brief

  • Remitano suffered a $2.7M loss due to a private key compromise.
  • GAMBL’s recommendation system was exploited.
  • DAppSocial lost $530K due to a logic vulnerability.
  • Rocketswap’s private keys were inadvertently deployed on the server.

Hacks

Hacks Analysis

Huobi  |  Amount Lost: $8M

On September 24th, the Huobi Global exploit on the Ethereum Mainnet resulted in a $8 million loss due to the compromise of private keys. The attacker executed the attack in a single transaction by sending 4,999 ETH to a malicious contract. The attacker then created a second malicious contract and transferred 1,001 ETH to this new contract. Huobi has since confirmed that they have identified the attacker and has extended an offer of a 5% white hat bounty reward if the funds are returned to the exchange.

Exploit Contract: 0x2abc22eb9a09ebbe7b41737ccde147f586efeb6a

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