Security News > 2020 > September > Japan, France, New Zealand Warn of Sudden Uptick in Emotet Trojan Attacks

Cybersecurity agencies across Asia and Europe have issued multiple security alerts regarding the resurgence of email-based Emotet malware attacks targeting businesses in France, Japan, and New Zealand.

"The emails contain malicious attachments or links that the receiver is encouraged to download," New Zealand's Computer Emergency Response Team said.

The new uptick in Emotet activity coincides with their return on July 17 after a prolonged development period that lasted since February 7 earlier this year, with the malware sending as many as 500,000 emails on all weekdays targeting European organizations.

Typically spread via large-scale phishing email campaigns involving malicious Microsoft Word or password-protected ZIP file attachments, the recent wave of attacks have taken advantage of a technique called email thread hijacking, using it to infect devices with the TrickBot and QakBot banking Trojans.

"Since returning from an extended vacation, TA542 email campaigns are once again the most prevalent by message volume by a large margin, with only a few other actors coming close," Proofpoint said in an exhaustive analysis of Emotet last month.

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