North Korean Hackers Deploy New Golang Malware ‘Durian’ Against Crypto Firms

The North Korean threat actor tracked as Kimsuky has been observed deploying a previously undocumented Golang-based malware dubbed Durian as part of highly-targeted cyber attacks aimed at two South Korean cryptocurrency firms. “Durian boasts comprehensive backdoor functionality, enabling the execution of delivered commands, additional file downloads, and exfiltration of files,” Kaspersky said in its APT […]

North Korea’s Lazarus Group Deploys New Kaolin RAT via Fake Job Lures

The North Korea-linked threat actor known as Lazarus Group employed its time-tested fabricated job lures to deliver a new remote access trojan called Kaolin RAT as part of attacks targeting specific individuals in the Asia region in summer 2023. The malware could, “aside from standard RAT functionality, change the last write timestamp of a selected […]

Microsoft Warns: North Korean Hackers Turn to AI-Fueled Cyber Espionage

Microsoft has revealed that North Korea-linked state-sponsored cyber actors have begun to use artificial intelligence (AI) to make their operations more effective and efficient. “They are learning to use tools powered by AI large language models (LLM) to make their operations more efficient and effective,” the tech giant said in its latest report on East […]

North Korean Hackers Weaponize Research Lures to Deliver RokRAT Backdoor

Media organizations and high-profile experts in North Korean affairs have been at the receiving end of a new campaign orchestrated by a threat actor known as ScarCruft in December 2023. “ScarCruft has been experimenting with new infection chains, including the use of a technical threat research report as a decoy, likely targeting consumers of threat […]

SpectralBlur: New macOS Backdoor Threat from North Korean Hackers

Cybersecurity researchers have discovered a new Apple macOS backdoor called SpectralBlur that overlaps with a known malware family that has been attributed to North Korean threat actors. “SpectralBlur is a moderately capable backdoor that can upload/download files, run a shell, update its configuration, delete files, hibernate, or sleep, based on commands issued from the [command-and-control […]

North Korea’s Lazarus Group Rakes in $3 Billion from Cryptocurrency Hacks

Threat actors from the Democratic People’s Republic of Korea (DPRK) are increasingly targeting the cryptocurrency sector as a major revenue generation mechanism since at least 2017 to get around sanctions imposed against the country. “Even though movement in and out of and within the country is heavily restricted, and its general population is isolated from […]

North Korean Hackers Pose as Job Recruiters and Seekers in Malware Campaigns

North Korean threat actors have been linked to two campaigns in which they masquerade as both job recruiters and seekers to distribute malware and obtain unauthorized employment with organizations based in the U.S. and other parts of the world. The activity clusters have been codenamed Contagious Interview and Wagemole, respectively, by Palo Alto Networks Unit […]

North Korean Hackers Targeting Crypto Experts with KANDYKORN macOS Malware

State-sponsored threat actors from the Democratic People’s Republic of Korea (DPRK) have been found targeting blockchain engineers of an unnamed crypto exchange platform via Discord with a novel macOS malware dubbed KANDYKORN. Elastic Security Labs said the activity, traced back to April 2023, exhibits overlaps with the infamous adversarial collective Lazarus Group, citing an analysis […]

Microsoft Warns of North Korean Attacks Exploiting JetBrains TeamCity Flaw

North Korean threat actors are actively exploiting a critical security flaw in JetBrains TeamCity to opportunistically breach vulnerable servers, according to Microsoft. The attacks, which entail the exploitation of CVE-2023-42793 (CVSS score: 9.8), have been attributed to Diamond Sleet (aka Labyrinth Chollima) and Onyx Sleet (aka Andariel or Silent Chollima). It’s worth noting that both […]

North Korean Hackers Exploit Zero-Day Bug to Target Cybersecurity Researchers

Threat actors associated with North Korea are continuing to target the cybersecurity community using a zero-day bug in an unspecified software over the past several weeks to infiltrate their machines. The findings come from Google’s Threat Analysis Group (TAG), which found the adversary setting up fake accounts on social media platforms like X (formerly Twitter) […]

North Korean Affiliates Suspected in $40M Cryptocurrency Heist, FBI Warns

The U.S. Federal Bureau of Investigation (FBI) on Tuesday warned that threat actors affiliated with North Korea may attempt to cash out stolen cryptocurrency worth more than $40 million. The law enforcement agency attributed the blockchain activity to an adversary the U.S. government tracks as TraderTraitor, which is also known by the name Jade Sleet. […]

North Korean Nation-State Actors Exposed in JumpCloud Hack After OPSEC Blunder

North Korean nation-state actors affiliated with the Reconnaissance General Bureau (RGB) have been attributed to the JumpCloud hack following an operational security (OPSEC) blunder that exposed their actual IP address. Google-owned threat intelligence firm Mandiant attributed the activity to a threat actor it tracks under the name UNC4899, which likely shares overlaps with clusters already […]

North Korean Hacker Group Andariel Strikes with New EarlyRat Malware

The North Korea-aligned threat actor known as Andariel leveraged a previously undocumented malware called EarlyRat in attacks exploiting the Log4j Log4Shell vulnerability last year. “Andariel infects machines by executing a Log4j exploit, which, in turn, downloads further malware from the command-and-control (C2) server,” Kaspersky said in a new report. Also called Silent Chollima and Stonefly, […]

North Korean Kimsuky Hackers Strike Again with Advanced Reconnaissance Malware

The North Korean advanced persistent threat (APT) group known as Kimsuky has been observed using a piece of custom malware called RandomQuery as part of a reconnaissance and information exfiltration operation. “Lately, Kimsuky has been consistently distributing custom malware as part of reconnaissance campaigns to enable subsequent attacks,” SentinelOne researchers Aleksandar Milenkoski and Tom Hegel […]

North Korea’s ScarCruft Deploys RokRAT Malware via LNK File Infection Chains

The North Korean threat actor known as ScarCruft started experimenting with oversized LNK files as a delivery route for RokRAT malware as early as July 2022, the same month Microsoft began blocking macros across Office documents by default. “RokRAT has not changed significantly over the years, but its deployment methods have evolved, now utilizing archives […]

North Korean Hackers Uncovered as Mastermind in 3CX Supply Chain Attack

Enterprise communications service provider 3CX confirmed that the supply chain attack targeting its desktop application for Windows and macOS was the handiwork of a threat actor with North Korean nexus. The findings are the result of an interim assessment conducted by Google-owned Mandiant, whose services were enlisted after the intrusion came to light late last […]

North Korean APT43 Group Uses Cybercrime to Fund Espionage Operations

A new North Korean nation-state cyber operator has been attributed to a series of campaigns orchestrated to gather strategic intelligence that aligns with Pyongyang’s geopolitical interests since 2018. Google-owned Mandiant, which is tracking the activity cluster under the moniker APT43, said the group’s motives are both espionage- and financially-motivated, leveraging techniques like credential harvesting and […]

North Korean UNC2970 Hackers Expands Operations with New Malware Families

A North Korean espionage group tracked as UNC2970 has been observed employing previously undocumented malware families as part of a spear-phishing campaign targeting U.S. and European media and technology organizations since June 2022. Google-owned Mandiant said the threat cluster shares “multiple overlaps” with a long-running operation dubbed “Dream Job” that employs job recruitment lures in […]

North Korean Hackers Targeting Healthcare with Ransomware to Fund its Operations

State-backed hackers from North Korea are conducting ransomware attacks against healthcare and critical infrastructure facilities to fund illicit activities, U.S. and South Korean cybersecurity and intelligence agencies warned in a joint advisory. The attacks, which demand cryptocurrency ransoms in exchange for recovering access to encrypted files, are designed to support North Korea’s national-level priorities and […]

Patch this Internet Explorer zero day vulnerability (CVE-2022-41128) before North Korean hackers exploit it

A new zero-day vulnerability has been found by Google’s Threat Analysis Group (TAG), and it is being actively exploited by hackers who are aiming their attacks at users in South Korea.During the month of October 2022, the TAG team at Google identified this zero-day vulnerability, and immediately thereafter, the team informed the Microsoft security team […]