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0x3f35e6fbe1098f0685137ab81189e891939825af

0x3f35e6fbe1098f0685137ab81189e891939825af is a smart contract address that one published source reports in connection with EtherHiding / UNC5342 and unclustered DPRK activity, which public reporting attributes to North Korea (DPRK). It is cited here from Atos Threat Research Center. The report is dated 2026-04-14.

On-chain links

C2 hosts this address pointed malware at, newest first. Dates are when the value was written on-chain, and Transaction opens the one that first wrote it; a row without one is a tie a cited report states. A host whose verdict is decoy was written between real values and is not C2. See the EtherHiding Tracker.

Write transactions

Every transaction that wrote a value to this contract, newest first, as read from Etherscan on 2026-10-20. Values are shown as the operator wrote them; an encrypted one has not been decrypted.

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smart contract address EtherHiding / UNC5342DPRK (cluster unattributed) CURATED

First seen 2026-04-14 · last seen 2026-04-14

Source

• As printed:

  0x3f35e6fbe1098f0685137ab81189e891939825af

  Notes:

  Ethereum contract that EtherRAT reads to find its command-and-control server, listed in Atos's appendix as created 2026-03-06 with 12 setString calls when the appendix was compiled. It stores a mapping from operator wallet to URL: the operator writes the C2 with setString(string) and the implant reads it with getString(address) (selector 0x7d434425). On 2026-10-03 getString(0xbfafba01a34aa6d53adcd1eac5ff5a7ee38a40ad) against a public Ethereum node returned a URL, confirming the contract has this shape; the stored values are not recorded here because operators park the resolver on well-known domains between sessions. Atos names no actor of its own: it repeats Sysdig's link between EtherRAT and the DPRK Contagious Interview tooling and notes code overlap with a tool eSentire attributed to an Iranian group, so this entry is filed under the unattributed DPRK label.

  EtherRAT-appendixes (IoCs/wallets_and_contracts.csv) — Atos Threat Research Center · published 2026-04-14 · pulled 2026-10-03

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