We discovered a potential targeted attack that makes use of legitimate script engine AutoHotkey, in combination with malicious script files. This file is distributed as an email attachment and disguised as a legitimate document with the filename “Military Financing.xlsm.” The user would need to enable macro for it to open fully, which would use AutoHotkey in loading the malicious script file to avoid detection.
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We noticed a sudden increase in hack tool installation attempts from various industries in China, Taiwan, Italy and Hong Kong. We found a trojan combining RADMIN and MIMIKATZ to drop a Monero miner by exploiting MS17-010 for propagation, likely taking advantage of the Lunar New Year holidays.
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MuddyWater is a well-known threat actor group that has been active since 2017. They have regularly targeted various organizations in Middle East and Central Asia, primarily using spear phishing emails with malicious attachments. We recently observed a few interesting delivery documents with similarities to the known MuddyWater tools, techniques and procedures.
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The cybercriminal group Lazarus, and particularly its subgroup Bluenoroff, has a history of attacking financial organizations in Asia and Latin America. There seems to be a resurgence of activity from the group, and recent events show how their tools and techniques have evolved. We discovered that they successfully planted their backdoor into several machines of financial institutions across Latin America.
Read More In the process of monitoring changes in the threat landscape, we get a clearer insight into the way threat actors work behind the schemes. In this case we dig deeper into the possible connection between cyberattacks by focusing on the similarities an unnamed threat actor shares with Confucius, Patchwork, and another threat actor called Bahamut. For the sake of this report, we will call this unnamed threat actor “Urpage.”
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