Spoofed IT Tools Distribute EtherRAT in Highly Stealthy Campaign Suspected Linked to DPRK APT

2026-04-08 Phatom Candle

https://medium.com/@phatomcandle/spoofed-it-tools-distribute-etherrat-in-highly-stealthy-campaign-suspected-linked-to-dprk-apt-1aa6beab7dcb

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PhatomCandle tracked EtherRAT distribution through malicious MSI installers disguised as common IT administration tools, with TTP overlap to an APT group suspected of association with the DPRK. The lures targeted administrators and support personnel by spoofing utilities such as RDCMan, DelProf2, Disk2vhd, Autoruns, Procmon, Bitvise SSH Client, AzCopy, Kusto.Explorer, Autologon, and PsTools. The infection chain decrypts staged payloads using XOR or AES-CBC, installs a Node.js environment, writes a Node.js EtherRAT payload to registry AutoRun persistence, and then retrieves C2 information from Ethereum blockchain data. EtherRAT's EtherHiding approach stores active C2 server details in blockchain transactions or smart-contract storage and uses CDN-like beaconing to blend traffic and allow infrastructure rotation. Listed indicators include MD5 hashes and C2 domains such as publisherresolution[.]com, luminer[.]work, gateway001kir[.]com, solidactivate[.]com, 4apcnbr[.]microsoft[.]com, footballoff[.]com, and bermanlawrsk[.]com.

Indicators of Compromise

Type Value First Seen Last Seen
HASH 21a55a482d99d56288fb2aa31711ebb… 2026-04-08 2026-04-08
HASH 5d1f8a998829345e533a7cc79c90b6a… 2026-04-08 2026-04-08
HASH 80b50c2406bdd5db5479e6e3da67b8d… 2026-04-08 2026-04-08
HASH 3cdab9081a7a6019b80fb9f2a9d8900… 2026-04-08 2026-04-08
DOMAIN publisherresolution.com 2026-04-08 2026-04-08
DOMAIN solidactivate.com 2026-04-08 2026-04-08
DOMAIN gateway001kir.com 2026-04-08 2026-04-08
DOMAIN bermanlawrsk.com 2026-04-08 2026-04-08
DOMAIN footballoff.com 2026-04-08 2026-04-08

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