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U.S. Hacks QakBot, Quietly Removes Botnet Infections

Krebs on Security

government today announced a coordinated crackdown against QakBot , a complex malware family used by multiple cybercrime groups to lay the groundwork for ransomware infections. Emerging in 2007 as a banking trojan, QakBot (a.k.a. Qakbot/Qbot was once again the top malware loader observed in the wild in the first six months of 2023.

Hacking 254
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Ask Fitis, the Bear: Real Crooks Sign Their Malware

Krebs on Security

This post is a deep dive on “ Megatraffer ,” a veteran Russian hacker who has practically cornered the underground market for malware focused code-signing certificates since 2015. More recently, it appears Megatraffer has been working with ransomware groups to help improve the stealth of their malware. WHO IS MEGATRAFFER?

Malware 243
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Russia-linked APT28 hacked Roundcube email servers of Ukrainian entities

Security Affairs

Russia-linked APT28 group hacked into Roundcube email servers belonging to multiple Ukrainian organizations. The APT28 group (aka Fancy Bear , Pawn Storm , Sofacy Group , Sednit , BlueDelta, and STRONTIUM ) has been active since at least 2007 and it has targeted governments, militaries, and security organizations worldwide.

Hacking 86
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FBI and NSA joint report details APT28’s Linux malware Drovorub

Security Affairs

The FBI and NSA issue joint alert related to new Linux malware dubbed Drovorub that has been used by the Russia-linked APT28 group. The FBI and NSA have published a joint security alert containing technical details about a new piece of Linux malware, tracked as Drovorub , allegedly employed by Russia-linked the APT28 group.

Malware 137
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Sophos linked Entropy ransomware to Dridex malware. Are both linked to Evil Corp?

Security Affairs

The code of the recently-emerged Entropy ransomware has similarities with the one of the infamous Dridex malware. The recently-emerged Entropy ransomware has code similarities with the popular Dridex malware. SecurityAffairs – hacking, Dridex). The post Sophos linked Entropy ransomware to Dridex malware.

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Chinese Antivirus Firm Was Part of APT41 ‘Supply Chain’ Attack

Krebs on Security

Justice Department this week indicted seven Chinese nationals for a decade-long hacking spree that targeted more than 100 high-tech and online gaming companies. The government alleges the men used malware-laced phishing emails and “supply chain” attacks to steal data from companies and their customers. Image: FBI.

Antivirus 357
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Russia-linked APT28 uses COVID-19 lures to deliver Zebrocy malware

Security Affairs

Russia-link cyberespionage APT28 leverages COVID-19 as phishing lures to deliver the Go version of their Zebrocy (or Zekapab) malware. Russia-linked APT28 is leveraging COVID-19 as phishing lures in a new wave of attacks aimed at distributing the Go version of their Zebrocy (or Zekapab) malware. SecurityAffairs – hacking, Zebrocy).

Malware 105