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Crypto Attack cryptocurrency engineers Cyber Attacks Cybersecurity KandyKorn Lazarus hacking group MacOS Malware Tech

Cryptocurrency Engineers Targeted by New macOS Malware 'KandyKorn'

 

A newly identified macOS malware called 'KandyKorn' has been discovered in a cyber campaign linked to the North Korean hacking group Lazarus. The targets of this attack are blockchain engineers associated with a cryptocurrency exchange platform.

The attackers are using Discord channels to pose as members of the cryptocurrency community and distribute Python-based modules. These modules initiate a complex KandyKorn infection process.

Elastic Security, the organization that uncovered the attack, has linked it to Lazarus based on similarities with their previous campaigns, including techniques used, network infrastructure, code-signing certificates, and custom detection methods for Lazarus activity. 

The attack starts with social engineering on Discord, where victims are tricked into downloading a malicious ZIP archive named 'Cross-platform Bridges.zip.' This archive contains a Python script ('Main.py') that imports 13 modules, triggering the first payload, 'Watcher.py.' 

Watcher.py downloads and executes another Python script called 'testSpeed.py' and a file named 'FinderTools' from a Google Drive URL. FinderTools then fetches and runs an obfuscated binary named 'SugarLoader,' which appears as both .sld and .log Mach-O executables.

SugarLoader establishes a connection with a command and control server to load the final payload, KandyKorn, into memory.

In the final stage, a loader known as HLoader is used. It impersonates Discord and employs macOS binary code-signing techniques seen in previous Lazarus campaigns. HLoader ensures persistence for SugarLoader by manipulating the real Discord app on the compromised system.

KandyKorn serves as the advanced final-stage payload, allowing Lazarus to access and steal data from the infected computer. It operates discreetly in the background, awaiting commands from the command and control server, and takes steps to minimize its trace on the system.

KandyKorn supports a range of commands, including terminating processes, gathering system information, listing directory contents, uploading and exfiltrating files, securely deleting files, and executing system commands, among others.

The Lazarus group primarily targets the cryptocurrency sector for financial gain, rather than engaging in espionage. The presence of KandyKorn highlights that macOS systems are also vulnerable to Lazarus' attacks, showcasing the group's ability to create sophisticated and inconspicuous malware tailored for Apple computers.
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Apple MacOS Cryptocurrency exchange KandyKorn KandyKorn malware lazarus Lazarus Group malware North Korean Hackers Unibot

KandyKorn: Apple MacOS Malware Targets Blockchain Engineers of Crypto Exchange Platform


A new malware linked to the North Korean threat group Lazarus was discovered on Apple’s macOS, and it appears that it was intended for the blockchain engineers of a crypto exchange platform. 

KandyKorn Malware 

According to a study conducted by Elastic Security Labs, the malware, dubbed as ‘KandyKorn’ is a sophisticated backdoor that could be used to steal data, directory listing, file upload/download, secure deletion, process termination, and command execution.

At first, the attackers used Discord channels to propagate Python-based modules by pretending to be active members of the community.

Apparently, the social engineering attacks pose as an arbitrage bot intended to generate automatic profits by coercing its members into downloading a malicious ZIP archive called “Cross=platform Bridges.zip.” However, there are 13 malicious modules that are being imported by the file to work together in order to steal and alter the stolen information. 

The report reads, “We observed the threat actor adopting a technique we have not previously seen them use to achieve persistence on macOS, known as execution flow hijacking.”

Users of Unibot were notified by blockchain analytics company Scopescan about an ongoing hack, which was subsequently verified by an official source:

“We experienced a token approval exploit from our new router and have paused our router to contain the issue.” Later, Unibot guaranteed that it would compensate all the victims who lost their funds in the exploit. 

Lazarus Group/ Lazarus is a North Korean state-sponsored cyber threat group, linked to the Reconnaissance General Bureau that operates out of North Korea. As part of a campaign called Operation Blockbuster by Novetta, the group, which has been operating since at least 2009, is said to have been behind the devastating wiper attack against Sony Pictures Entertainment in November 2014. The malware that Lazarus Group uses is consistent with other known campaigns, such as DarkSeoul, Operation Flame, Operation 1Mission, Operation Troy, and Ten Days of Rain.

However, in certain definitions of the North Korean group, security researchers apparently report all North Korean state-sponsored cyber activities under the term Lazarus Group instead of tracking clusters or subgroups like Andariel, APT37, APT38, and Kimsuky.

The crypto industry remains a main target for Lazarus, with a primary motivation of profit rather than espionage, which is their second primary operational focus.

The fact that KandyKorn exists proves that macOS is well within Lazarus's target range and highlights the threat group's amazing ability to create subtle and sophisticated malware specifically designed for Apple devices.  

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