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IcedID Malware Adapts and Expands Threat with Updated BackConnect Module

IcedID Malware Adapts and Expands Threat with Updated BackConnect Module

Jul 28, 2023 Malware / Cyber Threat
The threat actors linked to the malware loader known as IcedID have made updates to the BackConnect (BC) module that's used for post-compromise activity on hacked systems, new findings from Team Cymru reveal. IcedID, also called BokBot , is a strain of malware similar to  Emotet  and  QakBot  that started off as a banking trojan in 2017, before switching to the role of an initial access facilitator for other payloads. Recent versions of the malware have been  observed  removing functionality related to online banking fraud to prioritize ransomware delivery. The BackConnect (BC) module,  first documented  by Netresec in October 2022, relies on a proprietary command-and-control (C2) protocol to exchange commands between a server and the infected host. The protocol, which comes with a VNC component for remote access, has also been identified in other malware such as the now-discontinued  BazarLoader  and QakBot. In December 2022, Team Cymru  reported  the discovery of 11 BC C2s a
Hackers Hijack Email Reply Chains on Unpatched Exchange Servers to Spread Malware

Hackers Hijack Email Reply Chains on Unpatched Exchange Servers to Spread Malware

Mar 28, 2022
A new email phishing campaign has been spotted leveraging the tactic of conversation hijacking to deliver the IcedID info-stealing malware onto infected machines by making use of unpatched and publicly-exposed Microsoft Exchange servers. "The emails use a social engineering technique of conversation hijacking (also known as thread hijacking)," Israeli company Intezer said in a report shared with The Hacker News. "A forged reply to a previous stolen email is being used as a way to convince the recipient to open the attachment. This is notable because it increases the credibility of the phishing email and may cause a high infection rate." The latest wave of attacks, detected in mid-March 2022, is said to have targeted organizations within energy, healthcare, law, and pharmaceutical sectors. IcedID, aka BokBot, like its counterparts TrickBot and  Emotet , is a  banking trojan  that has evolved to become an entry point for more sophisticated threats, including hu
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