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Kimsuky Targets Think Tanks and News Media with Social Engineering Attacks

Kimsuky Targets Think Tanks and News Media with Social Engineering Attacks

Jun 08, 2023 Cyber Threat / Hacking
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 Hacker News. "To achieve this, the group distributes emails that lure targeted individuals to log in on the malicious website nknews[.]pro, which masquerades as the authentic NK News site. The login form that is presented to the target is designed to capture entered credentials." NK News , established in 2011, is an American subscription-based news website that provides stories and analysis about North Korea. The disclosure comes days after U.S. and South Korean intelligence agencies  issued an alert  warning of Kimsuky's use of social engineering tactics to strik
North Korea's Kimsuky Group Mimics Key Figures in Targeted Cyber Attacks

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

Jun 02, 2023 Cyber Espionage / APT
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 (previously Thallium), Nickel Kimball, and Velvet Chollima. "North Korea relies heavily on intelligence gained from these spear-phishing campaigns," the agencies  said . "Successful compromises of the targeted individuals enable Kimsuky actors to craft more credible and effective spear-phishing emails that can be leveraged against sensitive, high-value targets." Acting in tandem, South Korea's Ministry of Foreign Affairs (MOFA)  imposed sanctions  on the North Korean hacking group and identified  two cryptocurrency addresses  used by the entity that have rece
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N. Korean ScarCruft Hackers Exploit LNK Files to Spread RokRAT

N. Korean ScarCruft Hackers Exploit LNK Files to Spread RokRAT

Jun 01, 2023 Cyber Threat / Malware
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 maintain persistent control over compromised systems," ThreatMon  said . ScarCruft , active since at least 2012, is a  cyber espionage group  that operates on behalf of the North Korean government, exclusively focusing on targets in its southern counterpart. The group is believed to be a subordinate element within North Korea's Ministry of State Security (MSS). Attack chains mounted by the group have leaned heavily on social engineering to spear-phish victims and deliver payloads onto target networks. This includes exploiting vulnerabilities in Hancom's Hangul Word
N. Korean Kimsuky Hackers Using New Recon Tool ReconShark in Latest Cyberattacks

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

May 05, 2023 Cyber Threat / Malware
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 and Aleksandar Milenkoski  said . Kimsuky  is also known by the names APT43, ARCHIPELAGO, Black Banshee, Emerald Sleet (previously Thallium), Nickel Kimball, and Velvet Chollima. Active since at least 2012, the  prolific   threat actor  has been linked to  targeted   attacks  on non-governmental organizations (NGOs), think tanks, diplomatic agencies, military organizations, economic groups, and research entities across North America, Asia, and Europe. The latest intrusion set documented by SentinelOne leverages geopolitical themes related to North Korea's nuclear proliferat
Lazarus Subgroup Targeting Apple Devices with New RustBucket macOS Malware

Lazarus Subgroup Targeting Apple Devices with New RustBucket macOS Malware

Apr 25, 2023 Endpoint Security / Cyber Attack
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 to a threat actor known as BlueNoroff, a subgroup within the infamous Lazarus cluster that's also tracked under the monikers APT38, Nickel Gladstone, Sapphire Sleet, Stardust Chollima, and TA444. The connections stem from tactical and infrastructure overlaps with a  prior campaign  exposed by Russian cybersecurity company Kaspersky in late December 2022 likely aimed at Japanese financial entities using fake domains impersonating venture capital firms. BlueNoroff, unlike other constituent entities of the Lazarus Group, is known for its  sophisticated   cyber-enabled heists
North Korean APT43 Group Uses Cybercrime to Fund Espionage Operations

North Korean APT43 Group Uses Cybercrime to Fund Espionage Operations

Mar 29, 2023 Cyber Threat / Espionage
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 social engineering to further its objectives. The monetary angle to its attack campaigns is an attempt on the part of the threat actor to generate funds to meet its "primary mission of collecting strategic intelligence." Victimology patterns suggest that targeting is focused on South Korea, the U.S., Japan, and Europe, spanning government, education, research, policy institutes, business services, and manufacturing sectors. The threat actor was also observed straying off course by striking health-related verticals and pharma companies from October 2020
North Korean UNC2970 Hackers Expands Operations with New Malware Families

North Korean UNC2970 Hackers Expands Operations with New Malware Families

Mar 10, 2023 Cyber Attack / Malware
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 email messages to trigger the infection sequence. UNC2970 is the new moniker designated by the threat intelligence firm to a set of North Korean cyber activity that maps to UNC577 (aka Temp.Hermit ), and which also comprises another nascent threat cluster tracked as UNC4034. The UNC4034 activity, as  documented  by Mandiant in September 2022, entailed the use of WhatsApp to socially engineer targets into downloading a  backdoor  called AIRDRY.V2 under the pretext of sharing a skills assessment test. "UNC2970 has a concerted effort towards obfuscation and emp
Lazarus Group Exploits Zero-Day Vulnerability to Hack South Korean Financial Entity

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

Mar 08, 2023 Zero-Day / BYOVD Attack
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 exploitation of a zero-day in the same program. Cybersecurity firm AhnLab Security Emergency Response Center (ASEC)  said  it's refraining from divulging more specifics owing to the fact that "the vulnerability has not been fully verified yet and a software patch has not been released." The adversarial collective, after obtaining an initial foothold by an unknown method, abused the zero-day bug to perform lateral movement, shortly after which the AhnLab V3 anti-malware engine was disabled via a  BYOVD attack . It's worth noting here that the Bring Your Own Vulnerable D
Lazarus Group Likely Using New WinorDLL64 Backdoor to Exfiltrate Sensitive Data

Lazarus Group Likely Using New WinorDLL64 Backdoor to Exfiltrate Sensitive Data

Feb 23, 2023 Cyber Threat / Data Security
A new backdoor associated with a malware downloader named  Wslink  has been discovered, with the tool likely used by the notorious North Korea-aligned Lazarus Group, new findings reveal. The payload, dubbed  WinorDLL64  by ESET, is a fully-featured implant that can exfiltrate, overwrite, and delete files; execute PowerShell commands; and obtain comprehensive information about the underlying machine. Its other features comprise listing active sessions, creating and terminating processes, enumerating drives, and compressing directories. Wslink was  first documented  by the Slovak cybersecurity firm in October 2021, describing it as a "simple yet remarkable" malware loader that's capable of executing received modules in memory. "The Wslink payload can be leveraged later for lateral movement, due to its specific interest in network sessions," ESET researcher Vladislav Hrčka  said . "The Wslink loader listens on a port specified in the configuration and can
North Korean Hackers Turn to Credential Harvesting in Latest Wave of Cyberattacks

North Korean Hackers Turn to Credential Harvesting in Latest Wave of Cyberattacks

Jan 25, 2023 Cryptocurrency / Malware
A North Korean nation-state group notorious for crypto heists has been attributed to a new wave of malicious email attacks as part of a "sprawling" credential harvesting activity targeting a number of industry verticals, marking a significant shift in its strategy. The state-aligned threat actor is being tracked by Proofpoint under the name  TA444 , and by the larger cybersecurity community as APT38,  BlueNoroff , Copernicium, and Stardust Chollima. TA444 is "utilizing a wider variety of delivery methods and payloads alongside blockchain-related lures, fake job opportunities at prestigious firms, and salary adjustments to ensnare victims," the enterprise security firm  said  in a report shared with The Hacker News. The advanced persistent threat is something of an aberration among state-sponsored groups in that its operations are financially motivated and geared towards generating illicit revenue for the Hermit Kingdom as opposed to espionage and data theft. T
BlueNoroff APT Hackers Using New Ways to Bypass Windows MotW Protection

BlueNoroff APT Hackers Using New Ways to Bypass Windows MotW Protection

Dec 27, 2022 Cyber Attack / Windows Security
BlueNoroff , a subcluster of the notorious Lazarus Group, has been observed adopting new techniques into its playbook that enable it to bypass Windows Mark of the Web ( MotW ) protections. This includes the use of optical disk image (.ISO extension) and virtual hard disk (.VHD extension) file formats as part of a novel infection chain, Kaspersky disclosed in a report published today. "BlueNoroff created numerous fake domains impersonating venture capital companies and banks," security researcher Seongsu Park said , adding the new attack procedure was flagged in its telemetry in September 2022. Some of the bogus domains have been found to imitate ABF Capital, Angel Bridge, ANOBAKA, Bank of America, and Mitsubishi UFJ Financial Group, most of which are located in Japan, signalling a "keen interest" in the region. It's worth pointing out that although MotW bypasses have been documented in the wild before, this is the first time they have been incorporated by
North Korea Hackers Using New "Dolphin" Backdoor to Spy on South Korean Targets

North Korea Hackers Using New "Dolphin" Backdoor to Spy on South Korean Targets

Nov 30, 2022
The North Korea-linked  ScarCruft  group has been attributed to a previously undocumented backdoor called Dolphin that the threat actor has used against targets located in its southern counterpart. "The backdoor [...] has a wide range of spying capabilities, including monitoring drives and portable devices and exfiltrating files of interest, keylogging and taking screenshots, and stealing credentials from browsers," ESET researcher Filip Jurčacko  said  in a new report published today. Dolphin is said to be selectively deployed, with the malware using cloud services like Google Drive for data exfiltration as well as command-and-control. The Slovak cybersecurity company said it found the implant deployed as a final-stage payload as part of a watering hole attack in early 2021 directed against a South Korean digital newspaper. The campaign, first uncovered by  Kaspersky  and  Volexity  last year,  entailed  the weaponization of two Internet Explorer flaws ( CVE-2020-1380
North Korean Hackers Targeting Europe and Latin America with Updated DTrack Backdoor

North Korean Hackers Targeting Europe and Latin America with Updated DTrack Backdoor

Nov 17, 2022
Hackers tied to the North Korean government have been observed using an updated version of a backdoor known as Dtrack targeting a wide range of industries in Germany, Brazil, India, Italy, Mexico, Switzerland, Saudi Arabia, Turkey, and the U.S. "Dtrack allows criminals to upload, download, start or delete files on the victim host," Kaspersky researchers Konstantin Zykov and Jornt van der Wiel  said  in a report. The victimology patterns indicate an expansion to Europe and Latin America. Sectors targeted by the malware are education, chemical manufacturing, governmental research centers and policy institutes, IT service providers, utility providers, and telecommunication firms. Dtrack, also called Valefor and Preft, is the handiwork of Andariel, a subgroup of the  Lazarus nation-state threat actor  that's publicly tracked by the broader cybersecurity community using the monikers Operation Troy, Silent Chollima, and Stonefly. Discovered in September 2019, the malware
North Korean Hackers Weaponizing Open-Source Software in Latest Cyber Attacks

North Korean Hackers Weaponizing Open-Source Software in Latest Cyber Attacks

Sep 30, 2022
A "highly operational, destructive, and sophisticated nation-state activity group" with ties to North Korea has been weaponizing open source software in their social engineering campaigns aimed at companies around the world since June 2022. Microsoft's threat intelligence teams, alongside LinkedIn Threat Prevention and Defense, attributed the intrusions with high confidence to Zinc, a threat group affiliated with Lazarus which is also tracked under the name Labyrinth Chollima.  Attacks targeted employees in organizations across multiple industries, including media, defense and aerospace, and IT services in the U.S., the U.K., India, and Russia. The tech giant  said  it observed Zinc leveraging a "wide range of open-source software including PuTTY, KiTTY, TightVNC, Sumatra PDF Reader, and muPDF/Subliminal Recording software installer for these attacks." According to  CrowdStrike , Zinc "has been active since 2009 in operations aimed at collecting polit
North Korea's Lazarus Hackers Targeting macOS Users Interested in Crypto Jobs

North Korea's Lazarus Hackers Targeting macOS Users Interested in Crypto Jobs

Sep 27, 2022
The infamous Lazarus Group has continued its pattern of leveraging unsolicited job opportunities to deploy malware targeting Apple's macOS operating system. In the latest variant of the campaign observed by cybersecurity company SentinelOne last week, decoy documents advertising positions for the Singapore-based cryptocurrency exchange firm Crypto[.]com have been used to mount the attacks. The latest disclosure builds on previous findings from Slovak cybersecurity firm ESET in August, which  delved  into a similar phony job posting for the Coinbase cryptocurrency exchange platform. Both these fake job advertisements are just the latest in a series of attacks dubbed  Operation In(ter)ception , which, in turn, is a constituent of a broader campaign tracked under the name  Operation Dream Job . Although the exact distribution vector for the malware remains unknown, it's suspected that potential targets are singled out via direct messages on the business networking site Linke
U.S. Seizes Cryptocurrency Worth $30 Million Stolen by North Korean Hackers

U.S. Seizes Cryptocurrency Worth $30 Million Stolen by North Korean Hackers

Sep 09, 2022
More than $30 million worth of cryptocurrency plundered by the North Korea-linked Lazarus Group from online video game Axie Infinity has been recovered, marking the first time digital assets stolen by the threat actor have been seized. "The seizures represent approximately 10% of the total funds stolen from Axie Infinity (accounting for price differences between time stolen and seized), and demonstrate that it is becoming more difficult for bad actors to successfully cash out their ill-gotten crypto gains," Erin Plante, senior director of investigations at Chainalysis,  said . The development arrives more than five months after the  crypto hack  resulted in the theft of $620 million from the decentralized finance (DeFi) platform Ronin Network, with the attackers laundering a majority of the proceeds – amounting to $455 million – through the Ethereum-based cryptocurrency tumbler Tornado Cash. The March 2022 cryptocurrency heist resulted in losses totaling 173,600 ETH wort
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