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LOTSを活用して進化を続けるKimJongRAT

ID: 9f770377-844c-5054-b566-4751ac3a2d6a

STIX ID: report--9f770377-844c-5054-b566-4751ac3a2d6a

Feed Name: IIJ Security Diary

Threat Score
88/100

Date Published: 2026-06-25

Date Updated: 2026-07-15

Author: Naoki Takayama

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This report documents a May 2026 multi-stage attack attributed to the Kimsuky APT that distributed KimJongRAT via malicious LNK/HTA files hosted on GitHub Releases and Google Drive; it explains execution flows for DLL and PowerShell variants, newly observed features (dynamic C2 retrieval and MeshAgent deployment), takedown activity on GitHub, and includes file and network IoCs to support detection and response.

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