Beginning April 24, 2024 and continuing daily for about a week, Proofpoint observed high-volume campaigns with millions of messages facilitated by the Phorpiex botnet and delivering LockBit Black ransomware.
This is the first time Proofpoint researchers have observed samples of LockBit Black ransomware (aka LockBit 3.0) being delivered via Phorpiex in such high volumes. The LockBit Black sample from this campaign was likely built from the LockBit builder that was leaked during the summer of 2023. Messages were from “Jenny Green” with the email address of Jenny @gsd[.]com. The emails contained an attached ZIP file with an executable (.exe). This executable was observed downloading the LockBit Black payload from Phorpiex botnet infrastructure.
Read more…
Source: Proofpoint
Related:
- Luna Moth Callback Phishing Campaign
November 21, 2022
Unit 42 investigated several incidents related to the Luna Moth/Silent Ransom Group callback phishing extortion campaign targeting businesses in multiple sectors including legal and retail. This campaign leverages extortion without encryption, has cost victims hundreds of thousands of dollars and is expanding in scope. By design, this style of social engineering attack leaves very few artifacts ...
- QBot phishing abuses Windows Control Panel EXE to infect devices
November 17, 2022
Phishing emails distributing the QBot malware are using a DLL hijacking flaw in the Windows 10 Control Panel to infect computers, likely as an attempt to evade detection by security software. DLL hijacking is a common attack method that takes advantage of how Dynamic Link Libraries (DLLs) are loaded in Windows. When a Windows executable is launched, ...
- DEV-0569 finds new ways to deliver Royal ransomware, various payloads
November 17, 2022
Recent activity from the threat actor that Microsoft tracks as DEV-0569, known to distribute various payloads, has led to the deployment of the Royal ransomware, which first emerged in September 2022 and is being distributed by multiple threat actors. Observed DEV-0569 attacks show a pattern of continuous innovation, with regular incorporation of new discovery techniques, ...
- Phishing drops IceXLoader malware on thousands of home, corporate devices
November 10, 2022
A ongoing phishing campaign has infected thousands of home and corporate users with a new version of the ‘IceXLoader’ malware. The authors of IceXLoader, a malware loader first spotted in the wild this summer, have released version 3.3.3, enhancing the tool’s functionality and introducing a multi-stage delivery chain. The discovery of the Nim-based malware came in June ...
- Emotet coming in hot
November 8, 2022
Emotet is a ubiquitous and well-known banking trojan that has evolved over the years to become a very successful modular botnet capable of dropping a variety of other threats. Even after a global takedown campaign in early 2021 disrupted the botnet, it reemerged later that year, rebuilding its infrastructure and becoming highly active in a ...
- LockBit affiliate uses Amadey Bot malware to deploy ransomware
November 8, 2022
A LockBit 3.0 ransomware affiliate is using phishing emails that install the Amadey Bot to take control of a device and encrypt devices. According to a new AhnLab report, the threat actor targets companies using phishing emails with lures pretending to be job application offers or copyright infringement notices. The LockBit 3.0 payload used in this attack ...