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Emotet strikes again this time in Greece
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Emotet strikes again this time in Greece

After a short break of two weeks, a huge Emotet botnet spam business is underway again. Until recently, most attacks were recorded on users in Greece (17.7%), while an equally significant number of attacks occurred in Japan (16.5%) and Lithuania (15.3%).

Emotet campaign 10 15 2020 10 19 2020 countries - Emotet hits again this time in Greece

According to Forrester, botnets are one of the top cyber threats to look out for in 2020, and with a workforce working remotely in different areas, many organizations can become more vulnerable than ever.

Botnet businesses can become more complex by engaging in a wide range of illegal activities such as collecting browser information, collecting passwords, stealing login credentials from banking sites, or developing ransomware.

Emotet 1 - Emotet hits again this time in Greece

In the recent malware of Emotet, spam usually contains stolen legitimate communication and a general "Please see attached document" lure.

Emotet malspam Lithuania 2 - Emotet hits again this time in Greece

Attached this time is a malicious document detected by ESET as GenScript.KLH. This is a document containing a malicious VBA, identified as VBA / TrojanDownloader.Agent, which is the beginning of a chain infection infection.

Emotet is considered particularly dangerous, as it then installs other malicious programs on the victim's computer, such as Trickbot and QBot. Trickbot and QBot have their own malicious activity, however in turn they can lead to Conti (Trickbot) or Ryuk ransomware attacks.

It is important to note that, despite the huge malicious operation of Emotet botnet, the action of the malicious TrickBot - which, since 2016, has infected over one million computers - remains at a very limited level thanks to the joint effort to stop ESET , Microsoft, Black Lotus Labs Threat Research by Lumen, NTT and others.

trickbot 1 4 - Emotet hits again this time in Greece

Trickbot is known to steal users' credentials from compromised computers and, more recently, it has been observed as a mechanism for carrying out more serious attacks, such as ransomware attacks.

Coordinated global operation intervenes in Trickbot by destroying command and control servers. ESET contributed to the effort by providing technical analysis, statistics, and command and control server IP names and addresses.

Dealing with such a threat may seem like a daunting task, but there are ways in which organizations can protect themselves from botnet attacks.

Businesses also need to ensure that their networks are always up to date recent security updates, preventing cybercriminals from exploiting potential vulnerabilities. In addition, as remote ports can be turned into a hacker entry point, businesses should limit access as much as possible - especially when it comes to an RDP port.

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