0x3b77783f8952ae8235a873a2ac6757f8ae563de56d0006d3f92fd8d73b45ac58
0x3b77783f8952ae8235a873a2ac6757f8ae563de56d0006d3f92fd8d73b45ac58 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 011025_0x3b77783f8952ae8235a873a2ac6757f8ae563de56d0006d3f92fd8d73b45ac58_FINAL.txt b9264734cdc4bdc0cf0939729194a48b366470539c32b91417a50e3857721956
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 (011025_0x3b77783f8952ae8235a873a2ac6757f8ae563de56d0006d3f92fd8d73b45ac58_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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