Post-Macro World Sees Rise in Microsoft OneNote Documents Delivering Malware

In a continuing sign that threat actors are adapting well to a post-macro world, it has emerged that the use of Microsoft OneNote documents to deliver malware via phishing attacks is on the rise. Some of the notable malware families that are being distributed using this method include AsyncRAT,...

Researchers Uncover Packer Used by Several Malware to Evade Detection for 6 Years

A shellcode-based packer dubbed TrickGate has been successfully operating without attracting notice for over six years, while enabling threat actors to deploy a wide range of malware such as TrickBot, Emotet, AZORult, Agent Tesla, FormBook, Cerber, Maze, and REvil over the years. "TrickGate manag...

Threat Roundup for October 7 to October 14

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between Oct. 7 and Oct. 14. As with previous roundups, this post isn't meant to be an in-depth analysis. Instead, this post will summarize the threats we've observed by highlighting key behavioral characteristics,...

Threat Roundup for September 16 to September 23

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between Sept. 16 and Sept. 23. As with previous roundups, this post isn't meant to be an in-depth analysis. Instead, this post will summarize the threats we've observed by highlighting key behavioral...

2021 Top Malware Strains

Summary Immediate Actions You Can Take Now to Protect Against Malware: • Patch all systems and prioritize patching known exploited vulnerabilities. • Enforce multifactor authentication MFA. • Secure Remote Desktop Protocol RDP and other risky services. • Make offline backups of your data. • Provi...

A week in security (March 7 – March 13)

Last week on Malwarebytes Labs: The struggle to reduce bug-fixing time is real Update now! Mozilla patches two actively exploited vulnerabilities Google takes on Docs notification spammers When fake dating profiles try the military approach Azure AutoWarp brings automation headaches RagnarLocker...

FormBook spam campaign targets citizens of Ukraine️

Our Threat Intelligence team has been closely monitoring cyber threats related to the war in Ukraine. Today, we discovered a malicious spam campaign dropping the Formbook stealer specifically targeting Ukrainians. Formbook is part of a long-running malspam operation that we observe on a regular...

Beware of malware offering “Warm greetings from Saudi Aramco”

Recently, the Malwarebytes Threat Intelligence Team found a Formbook campaign targeting oil and gas companies. The campaign they discovered was delivered by a targeted email that contained two attachments, one is a pdf file and the other an Excel document. Formbook The Formbook malware is an...

Unusual ‘Donald Trump’ Packer Malware Delivers RATs, Infostealers

A new .NET malware packer being used to deliver a variety of remote access trojans RATs and infostealers has a fixed password named after Donald Trump, giving the new find its name, “DTPacker.” DTPacker was discovered by researchers at Proofpoint who, since 2020, have observed it being used by...

Attackers bypass Microsoft security patch to drop Formbook malware

By Waqas The patch was issued to prevent the execution of code that downloaded the Microsoft Cabinet archive containing a malicious executable. This is a post from HackRead.com Read the original post: Attackers bypass Microsoft security patch to drop Formbook malware...

New Exploit Lets Malware Attackers Bypass Patch for Critical Microsoft MSHTML Flaw

A short-lived phishing campaign has been observed taking advantage of a novel exploit that bypassed a patch put in place by Microsoft to fix a remote code execution vulnerability affecting the MSHTML component with the goal of delivering Formbook malware. "The attachments represent an escalation ...

This New Stealthy JavaScript Loader Infecting Computers with Malware

Threat actors have been found using a previously undocumented JavaScript malware strain that functions as a loader to distribute an array of remote access Trojans RATs and information stealers. HP Threat Research dubbed the new, evasive loader "RATDispenser," with the malware responsible for...

FormBook Adds Latest Office 365 0-Day Vulnerability (CVE-2021-40444) to Its Arsenal

Trend Micro detected a new campaign using a recent version of the known FormBook infostealer. Newer FormBook variants used the recent Office 365 zero-day vulnerability, CVE-2021-40444...

MacOS Being Picked Apart by $49 XLoader Data Stealer

There’s a new version of the old FormBook form-stealer and keylogger that’s added Mac users to its hit list, and it’s selling like hotcakes on underground markets for as low as $49. It’s not only cheap; it’s easy. The data stealer is distributed in the form of malware-as-a-service MaaS and stands...

Revisiting the NSIS-based crypter

This blog post was authored by hasherezade NSIS Nullsoft Scriptable Install System is a framework dedicated to creating software installers. It allows to bundle various elements of an application together i.e. the main executable, used DLLs, configs, along with a script that controls where are th...

Cybercriminals impersonate World Health Organization to distribute fake coronavirus e-book

The number of scams, threats, and malware campaigns taking advantage of public concern over the coronavirus is increasing each day. As a result, we've been actively monitoring emails within our spam honeypot to flag such threats and make sure our users are protected. Yesterday, we observed a...

MalConfScan - Volatility Plugin For Extracts Configuration Data Of Known Malware

MalConfScan is a Volatility plugin extracts configuration data of known malware. Volatility is an open-source memory forensics framework for incident response and malware analysis. This tool searches for malware in memory images and dumps configuration data. In addition, this tool has a function ...

CB TAU Threat Intelligence Notification: Formbook Harvests Data By Intercepting Clients

Formbook is an information stealer which has been around for the past few years. Formbook acts as a form grabber which harvests credentials, passwords, banking details, key strokes and network requests, by intercepting web browser and other clients such as email and IM. The particular sample...

Threat Roundup for August 2 to August 9

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between Aug. 2 and Aug. 9. As with previous roundups, this post isn't meant to be an in-depth analysis. Instead, this post will summarize the threats we've observed by highlighting key behavioral characteristics,...

New Loader Variant Behind Widespread Malware Attacks

Behind a recent wave of cyberattacks, pelting PCs with FormBook, LokiBot, SmokeLoader malware, is an updated version of a malware-loading technique called TxHollower. It is described as a new “significant threat”, according to researchers, who added, attacks using TxHollower have “spread like...