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:
- Ryuk ransomware operation updates hacking techniques
April 17, 2021
Recent attacks from Ryuk ransomware operators show that the actors have a new preference when it comes to gaining initial access to the victim network. The trend observed in attacks this year reveals a predilection towards targeting hosts with remote desktop connections exposed on the public internet. Furthermore, using targeted phishing emails to deliver the malware continues ...
- IcedID Circulates Via Web Forms, Google URLs
April 12, 2021
Website contact forms and Google URLs are being used to spread the IcedID trojan, according to researchers at Microsoft. Attackers are using “contact us” forms on websites to send emails targeting organizations with trumped-up legal threats, researchers said. The messages consistently mention a copyright infringement by a photographer, illustrator or designer, and they contain a link ...
- 2020 Phishing Trends With PDF Files
April 5, 2021
From 2019-20, we noticed a dramatic 1,160% increase in malicious PDF files – from 411,800 malicious files to 5,224,056. PDF files are an enticing phishing vector as they are cross-platform and allow attackers to engage with users, making their schemes more believable as opposed to a text-based email with just a plain link. To lure users ...
- APT Charming Kitten Pounces on Medical Researchers
March 31, 2021
Security researchers have linked a late-2020 phishing campaign aimed at stealing credentials from 25 senior professionals at medical research organizations in the United States and Israel to an advanced persistent threat group with links to Iran called Charming Kitten. The campaign—dubbed BadBlood because of its medical focus and the history of tensions between Iran and Israel–aimed ...
- $4,000 COVID-19 ‘Relief Checks’ Cloak Dridex Malware
March 17, 2021
Cybercriminals have wasted no time in hopping on the American Rescue Plan – the COVID-19 relief legislation just signed into law – as a lure for email-based scams. According to researchers at Cofense, a campaign began circulating in March that capitalized on Americans’ interest in the forthcoming $1,400 relief payments and other aid. The emails impersonate ...
- Fake Google reCAPTCHA Phishing Attack Swipes Office 365 Passwords
March 8, 2021
Microsoft users are being targeted with thousands of phishing emails, in an ongoing attack aiming to steal their Office 365 credentials. The attackers add an air of legitimacy to the campaign by leveraging a fake Google reCAPTCHA system and top-level domain landing pages that include the logos of victims’ companies. According to researchers, at least 2,500 ...