0x4ff108d057d6e62ec110a5c8a85b1b404aa0bf6299d63ee9a7679d858c981f0f
0x4ff108d057d6e62ec110a5c8a85b1b404aa0bf6299d63ee9a7679d858c981f0f is a transaction hash
that one published source reports
in connection with EtherHiding / UNC5342 and Contagious Interview activity, which public reporting
attributes to North Korea (DPRK).
It is cited here from Ransom-ISAC.
The report is dated 2025-12-08.
transaction hash EtherHiding / UNC5342Contagious Interview CURATED
Source
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DEV#POPPER.JS RAT VARIATIONS 011225_0x4ff108d057d6e62ec110a5c8a85b1b404aa0bf6299d63ee9a7679d858c981f0f_FINAL.txt e37ef036d36de9697c551139d0d8a4c6a401dd332a4f5872c1f21ab755f969ef
BNB Smart Chain transaction whose input field carries an encrypted JavaScript stage that the malware fetches with eth_getTransactionByHash: named in the file name of a deobfuscated DEV#POPPER.JS RAT variant in Ransom-ISAC's part 4 indicator table (011225_0x4ff108d057d6e62ec110a5c8a85b1b404aa0bf6299d63ee9a7679d858c981f0f_FINAL.txt), which the post lists among payload transactions from wallet 0x9bc1355344b54dedf3e44296916ed15653844509. Recorded from the cited indicator table; this site has not decrypted the calldata. Ransom-ISAC, which calls the technique Cross-Chain TxDataHiding (XCTDH), says the targeting and operational priorities strongly suggest a DPRK-affiliated actor, and its part 4, written with Crystal Intelligence, reports funding traced to addresses involved in other DPRK thefts. The first part of the series rests on infrastructure and targeting rather than on a named cluster, so this entry carries the Contagious Interview label and no UNC cluster.
Cross-Chain TxDataHiding Crypto Heist: A Very (Very) Chainful Process (Part 4) — Ransom-ISAC
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