Microsoft Uncovers 'Moonstone Sleet' — New North Korean Hacker Group

A never-before-seen North Korean threat actor codenamed Moonstone Sleet has been attributed as behind cyber attacks targeting individuals and organizations in the software and information technology, education, and defense industrial base sectors with ransomware and bespoke malware previously associated with the infamous Lazarus Group. "Moonstone Sleet is observed to set up fake companies and

NSA, FBI Alert on N. Korean Hackers Spoofing Emails from Trusted Sources

The U.S. government on Thursday published a new cybersecurity advisory warning of North Korean threat actors' attempts to send emails in a manner that makes them appear like they are from legitimate and trusted parties. The joint bulletin was published by the National Security Agency (NSA), the Federal Bureau of Investigation (FBI), and the Department of State. "The

eScan Antivirus Update Mechanism Exploited to Spread Backdoors and Miners

A new malware campaign has been exploiting the updating mechanism of the eScan antivirus software to distribute backdoors and cryptocurrency miners like XMRig through a long-standing threat codenamed GuptiMiner targeting large corporate networks. Cybersecurity firm Avast said the activity is the work of a threat actor with possible connections to a North Korean hacking group dubbed 

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 Asia hacking groups. The

Russian Government Software Backdoored to Deploy Konni RAT Malware

An installer for a tool likely used by the Russian Consular Department of the Ministry of Foreign Affairs (MID) has been backdoored to deliver a remote access trojan called Konni RAT (aka UpDog). The findings come from German cybersecurity company DCSO, which linked the activity as originating from the Democratic People's Republic of Korea (DPRK)-nexus actors targeting Russia. The

Kimsuky's New Golang Stealer 'Troll' and 'GoBear' Backdoor Target South Korea

The North Korea-linked nation-state actor known as Kimsuky is suspected of using a previously undocumented Golang-based information stealer called Troll Stealer. The malware steals "SSH, FileZilla, C drive files/directories, browsers, system information, [and] screen captures" from infected systems, South Korean cybersecurity company S2W said in a new technical report. Troll

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 intelligence like cybersecurity

North Korea's Cyber Heist: DPRK Hackers Stole $600 Million in Cryptocurrency in 2023

Threat actors affiliated with the Democratic People's Republic of Korea (also known as North Korea) have plundered at least $600 million in cryptocurrency in 2023. The DPRK "was responsible for almost a third of all funds stolen in crypto attacks last year, despite a 30% reduction from the USD 850 million haul in 2022," blockchain analytics firm TRM Labs said last week. "Hacks

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 [

U.S. Treasury Sanctions North Korean Kimsuky Hackers and 8 Foreign-Based Agents

The U.S. Department of the Treasury's Office of Foreign Assets Control (OFAC) on Thursday sanctioned the North Korea-linked adversarial collective known as Kimsuky as well as eight foreign-based agents who are alleged to have facilitated sanctions evasion. The agents, the Treasury said, helped in "revenue generation and missile-related technology procurement that support the DPRK's

N. Korean Hackers 'Mixing' macOS Malware Tactics to Evade Detection

The North Korean threat actors behind macOS malware strains such as RustBucket and KANDYKORN have been observed "mixing and matching" different elements of the two disparate attack chains, leveraging RustBucket droppers to deliver KANDYKORN. The findings come from cybersecurity firm SentinelOne, which also tied a third macOS-specific malware called ObjCShellz to the RustBucket campaign

N. Korean Hackers Distribute Trojanized CyberLink Software in Supply Chain Attack

A North Korean state-sponsored threat actor tracked as Diamond Sleet is distributing a trojanized version of a legitimate application developed by a Taiwanese multimedia software developer called CyberLink to target downstream customers via a supply chain attack. "This malicious file is a legitimate CyberLink application installer that has been modified to include malicious code that downloads,

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 42. While the first set of attacks

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) and Mastodon to forge

Researchers Warn of Cyber Weapons Used by Lazarus Group's Andariel Cluster

The North Korean threat actor known as Andariel has been observed employing an arsenal of malicious tools in its cyber assaults against corporations and organizations in the southern counterpart. “One characteristic of the attacks identified in 2023 is that there are numerous malware strains developed in the Go language,” the AhnLab Security Emergency Response Center (ASEC) said in a deep dive

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

Kimsuky Targets Think Tanks and News Media with Social Engineering Attacks

The North Korean nation-state threat actor known as Kimsuky has been linked to a social engineering campaign targeting experts in North Korean affairs with the goal of stealing Google credentials and delivering reconnaissance malware. "Further, Kimsuky's objective extends to the theft of subscription credentials from NK News," cybersecurity firm SentinelOne said in a report shared with The

North Korea's Kimsuky Group Mimics Key Figures in Targeted Cyber Attacks

U.S. and South Korean intelligence agencies have issued a new alert warning of North Korean cyber actors' use of social engineering tactics to strike think tanks, academia, and news media sectors. The "sustained information gathering efforts" have been attributed to a state-sponsored cluster dubbed Kimsuky, which is also known by the names APT43, ARCHIPELAGO, Black Banshee, Emerald Sleet (

N. Korean ScarCruft Hackers Exploit LNK Files to Spread RokRAT

Cybersecurity researchers have offered a closer look at the RokRAT remote access trojan that's employed by the North Korean state-sponsored actor known as ScarCruft. "RokRAT is a sophisticated remote access trojan (RAT) that has been observed as a critical component within the attack chain, enabling the threat actors to gain unauthorized access, exfiltrate sensitive information, and potentially

N. Korean Kimsuky Hackers Using New Recon Tool ReconShark in Latest Cyberattacks

The North Korean state-sponsored threat actor known as Kimsuky has been discovered using a new reconnaissance tool called ReconShark as part of an ongoing global campaign. "[ReconShark] is actively delivered to specifically targeted individuals through spear-phishing emails, OneDrive links leading to document downloads, and the execution of malicious macros," SentinelOne researchers Tom Hegel

Lazarus Subgroup Targeting Apple Devices with New RustBucket macOS Malware

A financially-motivated North Korean threat actor is suspected to be behind a new Apple macOS malware strain called RustBucket. "[RustBucket] communicates with command and control (C2) servers to download and execute various payloads," Jamf Threat Labs researchers Ferdous Saljooki and Jaron Bradley said in a technical report published last week.  The Apple device management company attributed it

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

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

Lazarus Group Exploits Zero-Day Vulnerability to Hack South Korean Financial Entity

The North Korea-linked Lazarus Group has been observed weaponizing flaws in an undisclosed software to breach a financial business entity in South Korea twice within a span of a year. While the first attack in May 2022 entailed the use of a vulnerable version of a certificate software that's widely used by public institutions and universities, the re-infiltration in October 2022 involved the