1inch-analysis.app — A DPRK Trojan Horse

2025-03-27 pcaversaccio

https://hackmd.io/@pcaversaccio/1inch-analysis-app-a-dprk-trojan-horse

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Paolo Caversaccio analyzed `1inch-analysis.app`, a malicious macOS bundle sent to 1inch cofounder Anton Bukov by the fake security researcher persona Nick L. Franklin. The source attributes the incident with high confidence to the AppleJeus/Citrine Sleet/UNC4736 DPRK cluster, while noting that the original payload URLs had already been removed. Static analysis found a React Native application that contacted `shelfai.io/api/config`, fetched remote configuration and image resources, wrote files into a temporary path, and executed them through native file utilities. The report documents the bundle structure, file hashes, and ShelfAI-themed masquerade used to deliver the suspected macOS payload.

Indicators of Compromise

Type Value First Seen Last Seen
HASH 9d116e406f081c0fc6b1cf2c5f1a993… 2025-03-27 2025-03-27
HASH ee42e36fc2a430e6b254fd7d6c98929… 2025-03-27 2025-03-27
HASH c6777d3fee8540002b9cf4c1df8b809… 2025-03-27 2025-03-27
HASH 563a67f8bb12f1bce73b550b0d89ea6… 2025-03-27 2025-03-27
HASH bacc6033221e91e5f14585574e8aabc0 2025-03-27 2025-03-27
HASH f67ae16fa55346f5f0114ec7471c63a9 2025-03-27 2025-03-27
URL https://shelfai.io/api/img/fdsa… 2025-03-27 2025-03-27
URL https://shelfai.io/api/config 2025-03-27 2025-03-27
URL https://shelfai.io/api/img/1inc… 2025-03-27 2025-03-27
URL https://shelfai.io/api/config` 2025-03-27 2025-03-27
URL https://shelfai.io/api/img/1inc… 2025-03-27 2025-03-27
URL https://shelfai.io/api/img/fdsa… 2025-03-27 2025-03-27
DOMAIN shelfai.io 2025-03-27 2025-03-27

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