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2023-02-02 01:00:00 | APT groups use ransomware TTPs as cover for intelligence gathering and sabotage (lien direct) | State-sponsored threat groups increasingly use ransomware-like attacks as cover to hide more insidious activities. Russian advanced persistent threat (APT) group Sandworm used ransomware programs to destroy data multiple times over the past six months while North Korea's Lazarus group used infrastructure previously associated with a ransomware group for intelligence gathering campaigns.At the same time, some Chinese APTs that were traditionally targeting entities in Asia shifted their focus to European companies, while Iran-based groups that traditionally targeted Israeli companies started going after their foreign subsidiaries. At least one North Korean group that was focused on South Korea and Russia has started using English in its operations. All these operational changes suggest organizations and companies from Western countries are at increased risk from APT activity.To read this article in full, please click here | Ransomware Threat Medical | APT 38 | ★★ |
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2022-10-05 12:15:00 | North Korea\'s Lazarus group uses vulnerable Dell driver to blind security solutions (lien direct) | The notorious North Korean state-sponsored hacker group Lazarus has begun exploiting a known vulnerability in an OEM driver developed by Dell to evade detection by security solutions. This is a prime example of why it's important to always keep third-party PC manufacturer software, which is often neglected, up to date, as well as to add vulnerable versions to blocklists.“The most notable tool delivered by the attackers was a user-mode module that gained the ability to read and write kernel memory due to the CVE-2021-21551 vulnerability in a legitimate Dell driver,” security researchers from antivirus firm ESET said in a recent report. “This is the first ever recorded abuse of this vulnerability in the wild. The attackers then used their kernel memory write access to disable seven mechanisms the Windows operating system offers to monitor its actions, like registry, file system, process creation, event tracing etc., basically blinding security solutions in a very generic and robust way.”To read this article in full, please click here | Tool Vulnerability | APT 38 | |
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2022-09-08 14:14:00 | North Korean state-sponsored hacker group Lazarus adds new RAT to its malware toolset (lien direct) | Security researchers have discovered a new remote access Trojan (RAT) being used in attack campaigns this year by Lazarus, a threat actor tied to the North Korean government. The new RAT has been used alongside other malware implants attributed to Lazarus and it's mainly used in the first stages of an attack.Dubbed MagicRAT, the new Lazarus malware program was developed using Qt, a framework commonly used to develop graphical user interfaces for cross-platform applications. Since the Trojan doesn't have a GUI, researchers from Cisco Talos believe the reason for using Qt was to make detection harder.To read this article in full, please click here | Malware Threat | APT 38 | |
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2022-08-24 12:34:00 | WannaCry explained: A perfect ransomware storm (lien direct) | What is WannaCry? WannaCry is a ransomware worm that spread rapidly through across a number of computer networks in May of 2017. After infecting a Windows computer, it encrypts files on the PC's hard drive, making them impossible for users to access, then demands a ransom payment in bitcoin in order to decrypt them.A number of factors made the initial spread of WannaCry particularly noteworthy: it struck a number of important and high-profile systems, including many in Britain's National Health Service; it exploited a Windows vulnerability that was suspected to have been first discovered by the United States National Security Agency; and it was tentatively linked by Symantec and other security researchers to the Lazarus Group, a cybercrime organization that may be connected to the North Korean government.To read this article in full, please click here | Ransomware Vulnerability Medical | Wannacry Wannacry APT 38 | |
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2022-05-17 08:44:00 | BrandPost: DDos Extortion Takes VoIP Providers Offline (lien direct) | Threat actors are continually innovating and rethinking their attack patterns – as well as who they target with attacks. This is clearly seen in their targeting of Voice over Internet Protocol (VoIP) providers, as highlighted in NETSCOUT's 2H 2021 Threat Report. Why target VoIP providers? The short answer is financial gain. Attackers know bringing down VoIP providers that service a large number of customers causes a lot of pain and therefore is ripe for extortion.Cyber attackers launched three worldwide distributed denial-of-service (DDoS) extortion attack campaigns in 2021 – a startling new achievement carried out by a REvil copycat, Lazarus Bear Armada (LBA), and Fancy Lazarus. But threat actors did more than simply increase such global attacks.To read this article in full, please click here | Threat | APT 38 | |
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2018-11-06 08:56:00 | Worst malware and threat actors of 2018 so far (lien direct) | What's the worst malware so far into 2018? The worst botnets and banking trojans, according to Webroot, were Emotet, Trickbot, and Zeus Panda. Crysis/Dharma, GandCrab, and SamSam were the worst among ransomware. The top three in cryptomining/cryptojacking were GhostMiner, Wanna Mine, and Coinhive.And included in the list of top 10 threat actors so far this year, we find Lazarus Group, Sofacy and MuddyWater coming in the top three spots, according to AlienVault. Lazarus Group took the top spot from Sofacy this year. The reported locations for the top 10 threat actors are North Korea, with two groups; Russia, with three groups; Iran, with two groups; China, with two groups; and India, with one. Microsoft Office was the most exploited application, but Adobe Flash, WebLogic, Microsoft Windows, Drupal and GPON routers were also listed in the top 10. | Malware Threat Medical | APT 38 |
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