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Home > Cybersecurity > North Korean hackers are aiming to steal funds

North Korean hackers are aiming to steal funds

Trellix researchers have noticed several ransomware attacks are linked with North Korea-backed APT38 threat actors.


Rusen Gobel Rusen Gobel
May 4, 2022
1 min read
North Korean Hackers Are Aiming To Steal Funds

According to Christiaan Beek from the security company Trellix, a North Korea-backed gang, named APT38, is seeking funds to steal from financial institutions. The gang is utilizing Beaf, PXJ, ZZZZ, and ChiChi ransomware families to extract the data from the targets.

Similarities in codes

Trellix discovered the connection with the APT38 group while analyzing the codes of the ransomware, which are pretty similar to VHD. They used Hilbert curve mapping to visualize the code; noticing source code and functional similarities of PXJ, Beaf, and ZZZZ ransomware with VHD and flower, which is linked to another North Korean APT group, Lazarus. As you can the see from the Hilbert curve mapping below, Beaf and ZZZZ are almost the same:

Christiaan Beek, lead scientist and senior principal engineer of Trellix
Christiaan Beek, lead scientist and senior principal engineer of Trellix

ChiChi’s codebase looks vastly different from VHD. However, Beek from Trellix has noticed the e-mail address in the ransom notes in ChiChi and ZZZZ were the same. Those ransomware strains were utilized in targeting APAC (Asia-Pacific) regions. According to Trellix, the hackers have managed to collect only small amounts of funds.

« Besides global banks, blockchain providers and users from South Korea were also attacked and infiltrated using spear-phishing emails, fake mobile applications, and even fake companies. Since these attacks were predominantly observed targeting the APAC region with targets in Japan and Malaysia for example, we anticipate these attacks might have been executed to discover if ransomware is a valuable way of gaining income »

See more Cybersecurity News


Tags: Trellix
Rusen Gobel

Rusen Gobel

Rusen Gobel is a news editor at Cloud7 News. With more than 10 years of experience, Rusen worked as a hardware and software news editor for technology sites such as Shiftdelete, Teknokolis, Hardware Plus, BT Haber. In addition, Rusen publishes consumer product reviews on his YouTube channel. While consumer electronics has been his main focus for years, now Rusen is more interested in WordPress and software development. He had contributed different web application projects in his professional career. Rusen had graduated from Istanbul University, department of Computer Engineering. Rusen has a very high passion for learning and writing for every kind of technology. That's why he has been working as a tech editor for more than ten years on several different technology magazines and online news portals.

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