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    Lazarus APT uses LinkedIn luresSecurity Affairs to target cryptocurrency organizations

     

    North Korea-linked Lazarus APT group targets cryptocurrency organizations with pretend job gives in an ongoing spear-phishing marketing campaign.

    North Korea-linked Lazarus APT group (aka HIDDEN COBRA) has been noticed whereas utilizing LinkedIn lures in a spear-phishing marketing campaign concentrating on the cryptocurrency organizations worldwide, together with in america, the UK, Germany, Singapore, the Netherlands, Japan.

    The exercise of the Lazarus APT group surged in 2014 and 2015, its members used principally custom-tailored malware of their assaults. This menace actor has been lively since at the least 2009, presumably as early as 2007, and it was concerned in each cyber espionage campaigns and sabotage actions aimed to destroy information and disrupt programs.

    The group is taken into account chargeable for the huge WannaCry ransomware assault, a string of SWIFTattacks in 2016, and the Sony Footage hack.

    In line with a report revealed by Kaspersky Lab in January 2020, within the two years the North Korea-linked APT group has continued to focus on cryptocurrency exchanges evolving its TTPs.

    Now F-Safe Labs consultants noticed an ongoing spear-phishing marketing campaign concentrating on a company within the cryptocurrency trade.

    Regardless of the hassle of the group in making onerous the attribution of the assault, F-Safe researchers discovered proof that linked the assault to North Korea.

    “In 2019, F-Safe uncovered technical particulars on Lazarus Group’s1 modus operandi throughout an investigation of an assault on an organisation within the cryptocurrency vertical, hereafter known as “the goal”. The assault
    was linked to a wider, ongoing world phishing marketing campaign.” reads the report revealed by F-Safe.

    “The assault was linked to this wider set of exercise via a number of frequent indicators present in samples from the investigation, open supply repositories, and proprietary intelligence sources”

    F-Safe researchers imagine the assault was superior in nature and is a part of a world phishing marketing campaign operating since at the least January 2018.

    Lazarus Group was in a position to delete traces of its exercise, together with malware employed within the assault in addition to forensic proof.

    “Based mostly on phishing artifacts recovered from Lazarus Group’s assault, F-Safe’s researchers had been in a position to hyperlink the incident to a wider, ongoing marketing campaign that’s been operating since at the least January 2018. In line with the report, comparable artifacts have been utilized in campaigns in at the least 14 international locations: america, China, the UK, Canada, Germany, Russia, South Korea, Argentina, Singapore, Hong Kong, Netherlands, Estonia, Japan, and the Philippines.” states F-Safe’s press launch.

    “Lazarus Group invested vital effort to evade the goal group’s defenses throughout the assault, reminiscent of by disabling anti-virus software program on the compromised hosts, and eradicating the proof of their malicious implants.”

    The assault chain used on this assault employed a maliciously crafted Phrase doc that claimed to be protected by a Basic Information Safety Regulation (GDPR) which requires the goal to allow content material to learn it.

    Upon enabling the content material of the doc, it executes malicious embedded macro that linked to a bit.ly hyperlink and delivers the ultimate payloads. The malware collects data and sends them again to the attackers’ C2 servers.

    Lazarus targets cryptocurrency

    The evaluation of the bit.ly hyperlink revealed it was accessed 73 instances since early Could 2019 from a number of international locations.

    “The primary implants each include the aptitude to obtain extra information, decompress information in reminiscence, provoke C2 communication, execute arbitrary instructions, and steal credentials from a lot of sources.” continues the report. “The implants had been additionally noticed getting used to hook up with the community backdoor implants on different goal hosts.”

    Specialists observed that the Lazarus Group was utilizing a {custom} model of Mimikatz to seize credentials and was disabling Credential Guard on contaminated programs to gather them immediately from the reminiscence.

    “Lazarus Group’s actions are a continued menace: the phishing marketing campaign related to this assault has been noticed persevering with into 2020, elevating the necessity for consciousness and ongoing vigilance amongst organizations working within the focused verticals,” concludes the report.

    “It’s F-Safe’s evaluation that the group will proceed to focus on organizations throughout the cryptocurrency vertical whereas it stays such a worthwhile pursuit, however may broaden to focus on provide chain parts of the vertical to extend returns and longevity of the marketing campaign.”

    Pierluigi Paganini

    (SecurityAffairs – hacking, Lazarus)

     


     

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