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:
- Explained: SMTP smuggling
January 7, 2024
SMTP smuggling is a technique that allows an attacker to send an email from pretty much any address they like. The intended goal is email spoofing—sending emails with false sender addresses. Email spoofing allows criminals to make malicious emails more believable. Let’s take a closer look at what it is exactly, and how cybercriminals can use ...
- Israel’s Cyber Directorate warns of phishing attack by Iran-based hacking squad
December 26, 2023
Israel’s National Cyber Directorate issued a statement Tuesday warning of a phishing attack by Iranian hackers. Posing as American network security conglomerate F5, Iranian hackers sent an email to IT officials in multiple Israeli companies with instructions to download what seems like an update, but is actually malware, said the directorate. Working with an unnamed commercial ...
- The rising threat of phishing attacks with Crypto Drainers
December 22, 2023
A recent investigation by Check Point Research exposes a troubling trend in the cryptocurrency landscape. The cryptocurrency community has been witnessing an alarming increase in sophisticated phishing attacks. These threats are unique in their approach, targeting a wide range of blockchain networks, from Ethereum and Binance Smart Chain to Polygon, Avalanche, and almost 20 other networks ...
- Why Is an Australian Footballer Collecting My Passwords?
December 20, 2023
Unit 42 researchers have observed threat actors using malicious JavaScript samples to steal sensitive information by abusing popular survey sites, low-quality hosting and web chat APIs. In some campaigns, attackers created chatbots that they registered to someone noteworthy such as an Australian footballer. Other malware campaigns they saw included both web skimmers injected into compromised sites ...
- Russian FSB cyber actor Star Blizzard continues worldwide spear-phishing campaigns
December 8, 2023
The Russia-based actor Star Blizzard (formerly known as SEABORGIUM, also known as Callisto Group/TA446/COLDRIVER/TAG-53/BlueCharlie) continues to successfully use spear-phishing attacks against targeted organisations and individuals in the UK, and other geographical areas of interest, for information-gathering activity. The UK National Cyber Security Centre (NCSC), the US Cybersecurity and Infrastructure Security Agency (CISA), the US Federal Bureau ...
- MrAnon Stealer Spreads via Email with Fake Hotel Booking PDF
December 7, 2023
FortiGuard Labs recently identified an email phishing campaign using deceptive booking information to entice victims into clicking on a malicious PDF file. The PDF downloads a .NET executable file created with PowerGUI and then runs a PowerShell script to fetch the final malware, known as MrAnon Stealer. This malware is a Python-based information stealer compressed with ...