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Russian Infrastructure Plays Crucial Role in North Korean Cybercrime Operations

2025-04-23, TrendMicro
https://www.trendmicro.com/en_us/research/25/d/russian-infrastructure-north-korean-cybercrime.html
#BeaverTail #FrostyFerret #VoidDokkaebi

Contents

Cyber Threats
Russian Infrastructure Plays Crucial Role in North Korean Cybercrime Operations
In this blog entry, we discuss how North Korea's significant role in cybercrime – including campaigns attributed to Void Dokkaebi – is facilitated by extensive use of anonymization networks and the use of Russian IP ranges.
Summary
- Trend Research has identified multiple IP address ranges in Russia that are being used for cybercrime activities aligned with North Korea. These activities are associated with a cluster of campaigns related to the Void Dokkaebi intrusion set, also known as Famous Chollima.
- The Russian IP address ranges, which are concealed by a large anonymization network that uses commercial VPN services, proxy servers, and numerous VPS servers with RDP, are assigned to two companies in Khasan and Khabarovsk. Khasan is a mile from the North Korea-Russia border, and Khabarovsk is known for its economic and cultural ties with North Korea.
- Trend Research assesses that North …

IoC

83.234.227.0
167.88.39.141
80.237.84.0
175.45.176.21
188.43.33.249
188.43.136.0
95.164.18.177
83.234.227.255
80.237.87.0
188.43.33.251
188.43.33.253
188.43.33.250
188.43.136.255
188.43.136.115
80.237.84.255
175.45.176.0
175.45.176.22
188.43.33.252
188.43.136.116
80.237.87.255