ChainBleedv0.1 · open intel
← back to feed·BSCFLASHLOAN2023-09-07 · 2y ago
Incident · SLOWMIST

HCT Token

Flash Loan Attack
Estimated loss
VERDICT —UNRATED
Verdict pending. Auto-ingested incidents are reviewed before a public verdict is rendered.
▰ METHOD
FLASHLOAN
FLASHLOANBYTECODE CATCHABLEAI SCANNABLE
Root cause

Root-cause analysis not yet published. The incident description below contains all currently available signal — review the attack transaction directly for definitive forensics.

▰ PROOF OF CONCEPT
DEFIHACKLABS
src/test/2023-09/HCT_exp.sol
view forked test on github ↗

Reproducible Foundry test fork from SunWeb3Sec/DeFiHackLabs. Clone the repo, run forge test against the file path above, and replay the exploit against a mainnet fork at the historical block. Use for reproduction only — not for live targets.

Forensic narrative

We have detected a malicious flash loan on HCT token. BSC: 0x0FDfcfc398Ccc90124a0a41d920d6e2d0bD8CcF5. Approximately 30.5 BNB was lost. 30 BNB has been deposited into Tornado Cash by EOA 0xC89. Attack method (per SlowMist): Flash Loan Attack. Reported loss: 30.5 BNB.

Primary source
https://twitter.com/leo_web3sec/status/1699775506785198499
Sourced from
slowmist
Technical record
chain
bsc
protocol
HCT Token
bug_class
flashloan
date_occurred
2023-09-07
loss_usd
source_id
sm:hct-token::2023-09-07
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