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A threat actor called Water Curupira has been observed actively distributing the PikaBot loader malware as part of spam campaigns in 2023.
“PikaBot’s operators ran phishing campaigns, targeting victims via its two components — a loader and a core module — which enabled unauthorized remote access and allowed the execution of arbitrary commands through an established connection with
A new wave of phishing messages distributing the QakBot malware has been observed, more than three months after a law enforcement effort saw its infrastructure dismantled by infiltrating its command-and-control (C2) network.
Microsoft, which made the discovery, described it as a low-volume campaign that began on December 11, 2023, and targeted the hospitality industry.
"Targets
Microsoft has warned of a new wave of CACTUS ransomware attacks that leverage malvertising lures to deploy DanaBot as an initial access vector.
The DanaBot infections led to "hands-on-keyboard activity by ransomware operator Storm-0216 (Twisted Spider, UNC2198), culminating in the deployment of CACTUS ransomware," the Microsoft Threat Intelligence team said in a series of posts on X (
The U.S. Department of Justice (DOJ) and the FBI recently collaborated in a multinational operation to dismantle the notorious Qakbot malware and botnet. While the operation was successful in disrupting this long-running threat, concerns have arisen as it appears that Qakbot may still pose a danger in a reduced form. This article discusses the aftermath of the takedown, provides mitigation
Phishing campaigns delivering malware families such as DarkGate and PikaBot are following the same tactics previously used in attacks leveraging the now-defunct QakBot trojan.
“These include hijacked email threads as the initial infection, URLs with unique patterns that limit user access, and an infection chain nearly identical to what we have seen with QakBot delivery,” Cofense said in a report
Despite the disruption to its infrastructure, the threat actors behind the QakBot malware have been linked to an ongoing phishing campaign since early August 2023 that led to the delivery of Ransom Knight (aka Cyclops) ransomware and Remcos RAT.
This indicates that “the law enforcement operation may not have impacted Qakbot operators’ spam delivery infrastructure but rather only their
A coordinated law enforcement effort codenamed Operation Duck Hunt has felled QakBot, a notorious Windows malware family that's estimated to have compromised over 700,000 computers globally and facilitated financial fraud as well as ransomware.
To that end, the U.S. Justice Department (DoJ) said the malware is "being deleted from victim computers, preventing it from doing any more harm," adding
The operators associated with the QakBot (aka QBot) malware have set up 15 new command-and-control (C2) servers as of late June 2023.
The findings are a continuation of the malware's infrastructure analysis from Team Cymru, and arrive a little over two months after Lumen Black Lotus Labs revealed that 25% of its C2 servers are only active for a single day.
"QakBot has a history of taking an
An analysis of the "evasive and tenacious" malware known as QBot has revealed that 25% of its command-and-control (C2) servers are merely active for a single day.
What's more, 50% of the servers don't remain active for more than a week, indicating the use of an adaptable and dynamic C2 infrastructure, Lumen Black Lotus Labs said in a report shared with The Hacker News.
"This botnet has adapted
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