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:
- What might authentication attacks look like in a phishing-resistant future?
July 25, 2023
The industry has come a long way in terms of improving how we make user authentication more secure. From the most basic concept of relying on usernames and passwords for authentication to enabling multi-factor authentication (MFA) for additional security, we are now embracing a shift toward passwordless logins and/or passkeys that are designed with security ...
- Cyber attack hits South Korean government institution, $135,000 lost
July 16, 2023
According to Korean media reports, the Institute for Startup Promotion, operating under the Ministry of SMEs and Startups, transferred 175 million won (135,000 USD) to an overseas criminal group after being tricked by a sophisticated e-mail phishing scheme. The unfortunate event serves as a stern reminder of the increasing need for enhanced cybersecurity measures in both ...
- WormGPT, PoisonGPT: How generative AI can become a tool for criminals
July 15, 2023
A cybersecurity firm discovered a new generative artificial intelligence tool called WormGPT that is being sold to criminals. Another firm created a malicious generative AI tool called PoisonGPT to test how the technology can be used to intentionally spread fake news online. These tools are the latest examples of how generative AI can be used by ...
- Turkish intelligence uncovers ‘ghost’ Mossad network
July 3, 2023
After monthslong surveillance, Türkiye’s National Intelligence Organization (MIT) has exposed a “ghost” cell of 56 operatives spying on non-Turkish nationals in the country on behalf of the Israeli intelligence agency Mossad. Documents from MIT revealed that the spies were gathering biographical intelligence on foreign nationals through an online routing method, tracking vehicle movements via GPS, hacking ...
- “.Zip” top-level domains draw potential for information leaks
June 13, 2023
As a result of Google’s announced sale of new TLDs that are also popular file extension formats, there is an increased risk with the deployment of the “.zip” domain that threat actors will develop new vectors for compromising victims. In early May 2023, Google released eight new TLDs, marketing the “.zip” domain as a way ...
- Detecting and mitigating a multi-stage AiTM phishing and BEC campaign
June 8, 2023
Microsoft Defender Experts uncovered a multi-stage adversary-in-the-middle (AiTM) phishing and business email compromise (BEC) attack against banking and financial services organizations. The attack originated from a compromised trusted vendor and transitioned into a series of AiTM attacks and follow-on BEC activity spanning multiple organizations. Read more… Source: Microsoft