Active since 2017, Lyceum group is a state-sponsored Iranian APT group that is known for targeting Middle Eastern organizations in the energy and telecommunication sectors and mostly relying on .NET based malwares. 

Zscaler ThreatLabz recently observed a new campaign where the Lyceum Group was utilizing a newly developed and customized .NET…

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Executive SummaryAoqin Dragon, a threat actor SentinelLabs has been extensively tracking, has operated since 2013 targeting government, education, and telecommunication organizations in Southeast Asia and Australia. Aoqin Dragon seeks initial access primarily through document exploits and the use of fake removable devices. Other techniques the attacker has been observed using include DLL hijacking, Themida-packed files, and DNS tunneling to evade post-compromise detection.…
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Sophisticated loader delivers Cobalt-Strike Beacons

In March 2022, a new malware named “Bumblebee” was discovered and reportedly distributed via spam campaigns. Researchers identified that Bumblebee is a replacement for BazarLoader malware, which has delivered Conti Ransomware in the past. Bumblebee acts as a downloader and delivers known attack frameworks and open-source tools such as Cobalt Strike, Shellcode, Sliver, Meterpreter, etc.…

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Executive Summary

To better detect attacks that affect the actions of signed applications – such as supply-chain attacks, dynamic-link libraries (DLL) hijacking, exploitation and malicious thread injection – we have devised a suite of analytics detectors that are able to detect global statistical anomalies.…

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UNC2165 Overlaps with Evil Corp Activity

OFAC sanctions against Evil Corp in December 2019 were announced in conjunction with the Department of Justice’s (DOJ) unsealing of indictments against individuals for their roles in the Bugat malware operation, updated versions of which were later called DRIDEX. DRIDEX was believed to operate under an affiliate model with multiple actors involved in the distribution of the malware.…

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In a recent blog post by Microsoft, a new Zero-Day vulnerability (CVE-2022-30190) was discussed. This vulnerability affects Microsoft Support Diagnostic Tool (MSDT), and the blog post provides some guidance on mitigating the impact of this vulnerability.

The post mentions that a Remote Code Execution (RCE) vulnerability present in MSDT allows the attackers to execute arbitrary code by exploiting it.…

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Users of WSO2 products are advised to update their respective products and platforms or to apply the temporary mitigation steps immediately.

We observed vulnerability CVE-2022-29464 being exploited in the wild since April, allowing unrestricted file uploads resulting to arbitrary remote code execution (RCE). Disclosed and patched in April, the security gap was ranked Critical at 9.8 and affects a number of WSO2 products.…

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Given the current fluctuations in the energy market and the related rise in prices to consumers, it should be no surprise that threat actors are using lures to exploit the global interest in this issue.

FortiGuard Labs recently discovered an e-mail using this tactic. The message was delivered to a coffee company in Ukraine that was seemingly sent by an oil provider in Saudi Arabia.…

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Nokoyawa is a new Windows ransomware that appeared earlier this year. The earliest samples collected by FortiGuard researchers were compiled in February 2022 and share substantial code similarities with Karma, another ransomware that traces its lineage to Nemty through a long string of variants. Nemty is a ransomware family that FortiGuard Labs researchers reported on back in 2019.…

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ВведениеОбщие сведенияАнализ ВПО и инструментовMyKLoadClientСхема 1Схема 2Тестовый образецПолезная нагрузкаZupdaxПолезная нагрузкаСвязь с RedsipСвязи с Winnti и FF-RATСвязи с Bronze Union и TA428ЗагрузчикиDownloader.Climax.ADownloader.Climax.BRtlShareДроппер rtlstat.dllИнжектор rtlmake.dllПолезная нагрузка rtlmain.dll (rtlmainx64.dll)Использование RtlSharePlugXDemo dropperBH_A006Стадия 0.…
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Summary

Update June 2, 2022:

This Cybersecurity Advisory (CSA) has been updated with additional indicators of compromise (IOCs) and detection signatures, as well as tactics, techniques, and procedures (TTPs) from trusted third parties. 

Update End

The Cybersecurity and Infrastructure Security Agency (CISA) is releasing this CSA to warn organizations that malicious cyber actors, likely advanced persistent threat (APT) actors, are exploiting CVE-2022-22954 and CVE-2022-22960 separately and in combination.…

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ITG23 Crypters Highlight Cooperation Between Cybercriminal Groups

cybercriminal group ITG23, also known as Wizard Spider, DEV-0193, or simply the “Trickbot Group”. The results of this research, along with evidence gained from the disclosure of internal ITG23 chat logs (“Contileaks”), provide new insight into the connections and cooperation between prominent cybercriminal groups whose attacks often lead to ransomware.…

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Trend Micro’s Managed XDR team addressed a Kingminer botnet attack conducted through an SQL exploit. We discuss our findings and analysis in this report.

We observed malicious activities in a client’s SQL server that flagged a potential exploit in one public-facing device. A quick look at the Trend Micro Vision One™ Workbench showed that a Microsoft SQL server process created an obfuscated PowerShell command.…

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