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Category — North Korean hackers
North Korean Group Collaborates with Play Ransomware in Significant Cyber Attack

North Korean Group Collaborates with Play Ransomware in Significant Cyber Attack

Oct 30, 2024 Ransomware / Threat Intelligence
Threat actors linked to North Korea have been implicated in a recent incident that deployed a known ransomware family called Play, underscoring their financial motivations. The activity, observed between May and September 2024, has been attributed to a threat actor tracked as Jumpy Pisces , which is also known as Andariel, APT45, DarkSeoul, Nickel Hyatt, Onyx Sleet (formerly Plutonium), Operation Troy, Silent Chollima, and Stonefly. "We believe with moderate confidence that Jumpy Pisces, or a faction of the group, is now collaborating with the Play ransomware group," Palo Alto Networks Unit 42 said in a new report published today. "This incident is significant because it marks the first recorded collaboration between the Jumpy Pisces North Korean state-sponsored group and an underground ransomware network." Andariel, active since at least 2009, is affiliated with North Korea's Reconnaissance General Bureau (RGB). It has been previously observed deploying ...
North Korean ScarCruft Exploits Windows Zero-Day to Spread RokRAT Malware

North Korean ScarCruft Exploits Windows Zero-Day to Spread RokRAT Malware

Oct 16, 2024 Zero-Day / Windows Security
The North Korean threat actor known as ScarCruft has been linked to the zero-day exploitation of a now-patched security flaw in Windows to infect devices with malware known as RokRAT . The vulnerability in question is CVE-2024-38178 (CVSS score: 7.5), a memory corruption bug in the Scripting Engine that could result in remote code execution when using the Edge browser in Internet Explorer Mode. It was patched by Microsoft as part of its Patch Tuesday updates for August 2024. However, successful exploitation requires an attacker to convince a user to click on a specially crafted URL in order to initiate the execution of malicious code. The AhnLab Security Intelligence Center (ASEC) and the National Cyber Security Center (NCSC) of the Republic of Korea, which were credited with discovering and reporting the shortcoming, have assigned the activity cluster the name Operation Code on Toast. The organizations are tracking ScarCruft under the moniker TA-RedAnt, which was previously...
The Future of Serverless Security in 2025: From Logs to Runtime Protection

The Future of Serverless Security in 2025: From Logs to Runtime Protection

Nov 28, 2024Cloud Security / Threat Detection
Serverless environments, leveraging services such as AWS Lambda, offer incredible benefits in terms of scalability, efficiency, and reduced operational overhead. However, securing these environments is extremely challenging. The core of current serverless security practices often revolves around two key components: log monitoring and static analysis of code or system configuration. But here is the issue with that: 1. Logs Only Tell Part of the Story Logs can track external-facing activities, but they don't provide visibility into the internal execution of functions. For example, if an attacker injects malicious code into a serverless function that doesn't interact with external resources (e.g., external APIs or databases), traditional log-based tools will not detect this intrusion. The attacker may execute unauthorized processes, manipulate files, or escalate privileges—all without triggering log events. 2. Static Misconfiguration Detection is Incomplete Static tools that check ...
North Korean Hackers Using New VeilShell Backdoor in Stealthy Cyber Attacks

North Korean Hackers Using New VeilShell Backdoor in Stealthy Cyber Attacks

Oct 03, 2024 Cyber Espionage / Threat Intelligence
Threat actors with ties to North Korea have been observed delivering a previously undocumented backdoor and remote access trojan (RAT) called VeilShell as part of a campaign targeting Cambodia and likely other Southeast Asian countries. The activity, dubbed SHROUDED#SLEEP by Securonix, is believed to be the handiwork of APT37 , which is also known as InkySquid, Reaper, RedEyes, Ricochet Chollima, Ruby Sleet, and ScarCruft. Active since at least 2012, the adversarial collective is assessed to be part of North Korea's Ministry of State Security (MSS). Like with other state-aligned groups, those affiliated with North Korea, including the Lazarus Group and Kimsuky, vary in their modus operandi and likely have ever-evolving objectives based on state interests. A key malware in its toolbox is RokRAT (aka Goldbackdoor), although the group has also developed custom tools to facilitate covert intelligence gathering. It's currently not known how the first stage payload, a ZIP arc...
cyber security

Creating, Managing and Securing Non-Human Identities

websitePermisoCybersecurity / Identity Security
A new class of identities has emerged alongside traditional human users: non-human identities (NHIs). Permiso Security's new eBook details everything you need to know about managing and securing non-human identities, and strategies to unify identity security without compromising agility.
New PondRAT Malware Hidden in Python Packages Targets Software Developers

New PondRAT Malware Hidden in Python Packages Targets Software Developers

Sep 23, 2024 Software Security / Supply Chain
Threat actors with ties to North Korea have been observed using poisoned Python packages as a way to deliver a new malware called PondRAT as part of an ongoing campaign. PondRAT, according to new findings from Palo Alto Networks Unit 42, is assessed to be a lighter version of POOLRAT (aka SIMPLESEA), a known macOS backdoor that has been previously attributed to the Lazarus Group and deployed in attacks related to the 3CX supply chain compromise last year. Some of these attacks are part of a persistent cyber attack campaign dubbed Operation Dream Job , wherein prospective targets are lured with enticing job offers in an attempt to trick them into downloading malware. "The attackers behind this campaign uploaded several poisoned Python packages to PyPI, a popular repository of open-source Python packages," Unit 42 researcher Yoav Zemah said , linking the activity with moderate confidence to a threat actor called Gleaming Pisces. The adversary is also tracked by the wid...
North Korean Hackers Target Cryptocurrency Users on LinkedIn with RustDoor Malware

North Korean Hackers Target Cryptocurrency Users on LinkedIn with RustDoor Malware

Sep 16, 2024 Financial Security / Malware
Cybersecurity researchers are continuing to warn about North Korean threat actors' attempts to target prospective victims on LinkedIn to deliver malware called RustDoor. The latest advisory comes from Jamf Threat Labs, which said it spotted an attack attempt in which a user was contacted on the professional social network by claiming to be a recruiter for a legitimate decentralized cryptocurrency exchange (DEX) called STON.fi. The malicious cyber activity is part of a multi-pronged campaign unleashed by cyber threat actors backed by the Democratic People's Republic of Korea (DPRK) to infiltrate networks of interest under the pretext of conducting interviews or coding assignments. The financial and cryptocurrency sectors are among the top targets for the state-sponsored adversaries seeking to generate illicit revenues and meet an ever-evolving set of objectives based on the regime's interests. These attacks manifest in the form of "highly tailored, difficult-to-d...
Microsoft Patches Zero-Day Flaw Exploited by North Korea’s Lazarus Group

Microsoft Patches Zero-Day Flaw Exploited by North Korea's Lazarus Group

Aug 19, 2024 Vulnerability / Zero-Day
A newly patched security flaw in Microsoft Windows was exploited as a zero-day by Lazarus Group , a prolific state-sponsored actor affiliated with North Korea. The security vulnerability, tracked as CVE-2024-38193 (CVSS score: 7.8), has been described as a privilege escalation bug in the Windows Ancillary Function Driver (AFD.sys) for WinSock. "An attacker who successfully exploited this vulnerability could gain SYSTEM privileges," Microsoft said in an advisory for the flaw last week. It was addressed by the tech giant as part of its monthly Patch Tuesday update. Credited with discovering and reporting the flaw are Gen Digital researchers Luigino Camastra and Milánek. Gen Digital owns a number of security and utility software brands like Norton, Avast, Avira, AVG, ReputationDefender, and CCleaner. "This flaw allowed them to gain unauthorized access to sensitive system areas," the company disclosed last week, adding it discovered the exploitation in early J...
North Korea-Linked Malware Targets Developers on Windows, Linux, and macOS

North Korea-Linked Malware Targets Developers on Windows, Linux, and macOS

Jul 31, 2024 Malware / Software Development
The threat actors behind an ongoing malware campaign targeting software developers have demonstrated new malware and tactics, expanding their focus to include Windows, Linux, and macOS systems. The activity cluster, dubbed DEV#POPPER and linked to North Korea, has been found to have singled out victims across South Korea, North America, Europe, and the Middle East. "This form of attack is an advanced form of social engineering, designed to manipulate individuals into divulging confidential information or performing actions that they might normally not," Securonix researchers Den Iuzvyk and Tim Peck said in a new report shared with The Hacker News. DEV#POPPER is the moniker assigned to an active malware campaign that tricks software developers into downloading booby-trapped software hosted on GitHub under the guise of a job interview. It shares overlaps with a campaign tracked by Palo Alto Networks Unit 42 under the name Contagious Interview . Signs that the campaign ...
Andariel Hackers Target South Korean Institutes with New Dora RAT Malware

Andariel Hackers Target South Korean Institutes with New Dora RAT Malware

Jun 03, 2024 Malware / Cyber Attack
The North Korea-linked threat actor known as Andariel has been observed using a new Golang-based backdoor called Dora RAT in its attacks targeting educational institutes, manufacturing firms, and construction businesses in South Korea. "Keylogger, Infostealer, and proxy tools on top of the backdoor were utilized for the attacks," the AhnLab Security Intelligence Center (ASEC) said in a report published last week. "The threat actor probably used these malware strains to control and steal data from the infected systems." The attacks are characterized by the use of a vulnerable Apache Tomcat server to distribute the malware, the South Korean cybersecurity firm added, noting the system in question ran the 2013 version of Apache Tomcat, making it susceptible to several vulnerabilities. Andariel, also known by the names Nickel Hyatt, Onyx Sleet, and Silent Chollima, is an advanced persistent threat (APT) group that operates on behalf of North Korea's strategic...
Microsoft Uncovers 'Moonstone Sleet' — New North Korean Hacker Group

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

May 29, 2024 Cyber Espionage / Malware
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 job opportunities to engage with potential targets, employ trojanized versions of legitimate tools, create a malicious game, and deliver a new custom ransomware," the Microsoft Threat Intelligence team said in a new analysis. It also characterized the threat actor as using a combination of tried-and-true techniques used by other North Korean threat actors and unique attack methodologies to meet its strategic objectives. The adversary, hitherto tracked by Redmond under the emerging cluster moniker Storm-1789, is assessed to be a state-aligned group that originally exhibited strong t...
NSA, FBI Alert on N. Korean Hackers Spoofing Emails from Trusted Sources

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

May 03, 2024 Email Security / Malware
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 DPRK [Democratic People's Republic of Korea] leverages these spear-phishing campaigns to collect intelligence on geopolitical events, adversary foreign policy strategies, and any information affecting DPRK interests by gaining illicit access to targets' private documents, research, and communications," the NSA  said . The technique specifically concerns exploiting improperly configured DNS Domain-based Message Authentication, Reporting, and Conformance ( DMARC ) record policies to conceal social engineering attempts. In doing so, the threat actors can send spoofed emails as if...
eScan Antivirus Update Mechanism Exploited to Spread Backdoors and Miners

eScan Antivirus Update Mechanism Exploited to Spread Backdoors and Miners

Apr 24, 2024 Cryptocurrency / Threat Intelligence
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  Kimsuky , which is also known as Black Banshee, Emerald Sleet, and TA427. "GuptiMiner is a highly sophisticated threat that uses an interesting infection chain along with a couple of techniques that include performing DNS requests to the attacker's DNS servers, performing sideloading, extracting payloads from innocent-looking images, signing its payloads with a custom trusted root anchor certification authority, among others," Avast  said . The intricate and elaborate infection chain, at its core, leverages a security shortcoming in the update mechanism of Indian antivi...
Microsoft Warns: North Korean Hackers Turn to AI-Fueled Cyber Espionage

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

Apr 22, 2024 Cryptocurrency / Artificial Intelligence
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 company specifically highlighted a group named  Emerald Sleet  (aka Kimusky or TA427), which has been observed using LLMs to bolster spear-phishing efforts aimed at Korean Peninsula experts. The adversary is also said to have relied on the latest advancements in AI to research vulnerabilities and conduct reconnaissance on organizations and experts focused on North Korea, joining  hacking crews from China , who have turned to AI-generated content for influence operations. It further employed LLMs to troubleshoot technical issues, conduct basic scripting tasks, and draft content fo...
Russian Government Software Backdoored to Deploy Konni RAT Malware

Russian Government Software Backdoored to Deploy Konni RAT Malware

Feb 22, 2024 Malware / Cyber Espionage
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 Konni (aka Opal Sleet, Osmium, or  TA406 ) activity cluster has an established pattern of deploying Konni RAT against Russian entities, with the threat actor also linked to  attacks directed against MID  at least since October 2021. In November 2023, Fortinet FortiGuard Labs  revealed  the use of Russian-language Microsoft Word documents to deliver malware capable of harvesting sensitive information from compromised Windows hosts. DCSO said the packaging of Konni RAT within software installers is a technique  previously adopted  by the group in Octobe...
Kimsuky's New Golang Stealer 'Troll' and 'GoBear' Backdoor Target South Korea

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

Feb 08, 2024 Cyber Espionage / Malware
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 Stealer's links to Kimsuky stem from its similarities to known malware families, such as AppleSeed and AlphaSeed malware that have been attributed to the group. Kimsuky, also tracked under the names APT43, ARCHIPELAGO, Black Banshee, Emerald Sleet (previously Thallium), Nickel Kimball, and Velvet Chollima, is well known for its propensity to steal sensitive, confidential information in offensive cyber operations. In late November 2023, the threat actors were  sanctioned  by the U.S. Treasury Department's Office of Foreign Assets Control (OFAC) for gathering intelligence to further ...
North Korean Hackers Weaponize Research Lures to Deliver RokRAT Backdoor

North Korean Hackers Weaponize Research Lures to Deliver RokRAT Backdoor

Jan 22, 2024 Cyber Attack / Hacking
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 professionals," SentinelOne researchers Aleksandar Milenkoski and Tom Hegel  said  in a report shared with The Hacker News. The North Korea-linked adversary, also known by the name APT37, InkySquid, RedEyes, Ricochet Chollima, and Ruby Sleet, is  assessed  to be part of the Ministry of State Security (MSS), placing it apart from Lazarus Group and Kimsuky, which are elements within the Reconnaissance General Bureau (RGB). The group is  known  for its targeting of governments and defectors, leveraging  spear-phishing lures  to deliver  RokRAT and othe...
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