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Alert: WhatsApp Phishing Campaign Delivers Malware

A new phishing campaign is using WhatsApp messages to deliver malware, according to researchers at Microsoft. The attackers are attempting to trick users into installing malicious Visual Basic Script (VBS) files.

“The campaign relies on a combination of social engineering and living-off-the-land techniques,” Microsoft says. “It uses renamed Windows utilities to blend into normal system activity, retrieves payloads from trusted cloud services such as AWS, Tencent Cloud, and Backblaze B2, and installs malicious Microsoft Installer (MSI) packages to maintain control of the system. By combining trusted platforms with legitimate tools, the threat actor reduces visibility and increases the likelihood of successful execution.”

If a user falls for the phishing attack, the malicious VBS file creates a hidden folder on the infected system and creates renamed versions of legitimate Windows utilities to evade detection.

Microsoft offers the following advice to help organizations thwart these attacks:

  • “Strengthen Endpoint Controls: Block or restrict execution of script hosts (wscript, cscript, mshta) in untrusted paths, and monitor for renamed or hidden Windows utilities being executed with unusual flags.
  • “Enhance Cloud Traffic Monitoring” Inspect and filter traffic to cloud services like AWS, Tencent Cloud, and Backblaze B2, ensuring malicious payload downloads are detected even when hosted on trusted platforms.
  • “Detect Persistence Techniques: Continuously monitor registry changes under HKLMSoftwareMicrosoftWin and flag repeated tampering with User Account Control (UAC) settings as indicators of compromise.
  • “Block direct access to known C2 infrastructure where possible, informed by your organization’s threat‑intelligence sources.
  • “Educate Users on Social Engineering: Train employees to recognize suspicious WhatsApp attachments and unexpected messages, reinforcing that even familiar platforms can be exploited for malware delivery.”

New-school security awareness training can give your organization an essential layer of defense against social engineering attacks. KnowBe4 enables your workforce to make smarter security decisions every day. Over 65,000 organizations worldwide trust the KnowBe4 platform to strengthen their security culture and reduce human risk.

Microsoft has the story.

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Early Results From KnowBe4’s AI Agents Show Easier Administration and Lower Cyber Risk

You often hear companies touting that they are AI enabled. But most do not give you the results of how that new AI stacks up with their previous non-AI offerings. We have some early data and want to share it.

KnowBe4 was the first Human Risk Management (HRM) vendor to use AI. While our competitors have been touting the use of AI only since 2023 at the earliest, we have been using machine learning (ML), the backbone workhorse of AI, since early 2016 – for a decade! We were also the first HRM vendor to have multiple active AI agents in the market available for customers to use without requiring complicated hand-holding with customer support technicians. Today, we have over a dozen AI agents and more coming all the time.

A few months ago, we launched KnowBe4’s Artificial Intelligence Defense Agents (AIDA), and specifically, the AIDA Orchestration (AO) agent. It allows admins to successfully manage human risk with the power and efficiency of AI. Customers can choose to allow AI to orchestrate the management and running of our human risk management (HRM) platform. If enabled, AIDA will pick the training, pick the simulated phishing emails and messages to send, pick the landing pages, and send the remedial training, if needed, and more. You enable AO, and it does the rest. 

It was in testing for a long time, learning, consuming data, and improving. We recently released it so that all of our customers can use it. The data from early users shows that letting AIDA take over your HRM program results in similar or better outcomes with less effort. Here is the data. 

First, although we have over 70,000 customer organizations, only 810 of them have so far tried AO, although the numbers are steadily headed up. We expect a majority of our customers to enable AO over time as awareness of its existence and trust in it grows.

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