THE THREAT

eSentire has observed a recent and significant increase in SolarMarker infections delivered through drive-by download attacks. These attacks rely on social engineering techniques to persuade users to execute malware disguised as document templates. SolarMarker is a modular information-stealing malware; infections may result in the theft of sensitive data including user credentials.…

Read More

The parasitic Water Labbu capitalizes on the social engineering schemes of other scammers, injecting malicious JavaScript code into their malicious decentralized application websites to steal cryptocurrency.

We discovered a threat actor we named Water Labbu that was targeting cryptocurrency scam websites. Typically, cryptocurrency scammers use social engineering techniques,  interacting with victims to gain their trust and then manipulating them into providing the permissions needed to transfer cryptocurrency assets.…

Read More
New Drive-by Download Campaign Spying on Users

SocGholish is a JavaScript malware framework that has been active since 2017. The term “Soc” in “SocGholish” refers to the use of social engineering toolkits masquerading as software updates to deploy malware on a victim’s system.

This malware framework uses several social engineering themes that impersonate browser and program updates such as Chrome/Firefox, Flash Player, and Microsoft Teams.…

Read More
Key TakeawaysIn mid-2022, TA453 deployed a social engineering impersonation technique informally called Multi-Persona Impersonation in which the threat actor uses at least two actor-controlled personas on a single email thread to convince targets of the legitimacy of the campaign. This is an intriguing technique because it requires more resources be used per target—potentially burning more personas—and a coordinated approach among the various personalities in use by TA453.…
Read More

Recent studies show that more than 85% of financial institutions in Central and Western Africa have repeatedly been victimized in multiple, damaging cyberattacks. In a quarter of these cases, intrusions into network systems resulted in the worst possible outcomes for the financial and banking sector: information leaks, identity theft, money transfer fraud, and bank withdrawals on false checks.…

Read More

Raspberry Robin and Dridex: Two Birds of a Feather

IBM Security Managed Detection and Response (MDR) observations coupled with IBM Security X-Force malware research sheds additional light on the mysterious objectives of the operators behind the Raspberry Robin worm. Based on a comparative analysis between a downloaded Raspberry Robin DLL and a Dridex malware loader, the results show that they are similar in structure and functionality.…

Read More

Summary

Actions for ZCS administrators to take today to mitigate malicious cyber activity:

• Patch all systems and prioritize patching known exploited vulnerabilities.

• Deploy detection signatures and hunt for indicators of compromise (IOCs).

• If ZCS was compromised, remediate malicious activity.

Updated November 10, 2022: This product was written by the Cybersecurity and Infrastructure Security Agency (CISA) and the Multi-State Information Sharing and Analysis Center (MS-ISAC) with contributions by the Federal Bureau of Investigation (FBI).…

Read More
Background

Over the last year Mandiant has been tracking UNC3890, a cluster of activity targeting Israeli shipping, government, energy and healthcare organizations via social engineering lures and a potential watering hole. Mandiant assesses with moderate confidence this actor is linked to Iran, which is notable given the strong focus on shipping and the ongoing naval conflict between Iran and Israel.…

Read More

In late August 2020, we published an overview of DeathStalker’s profile and malicious activities, including their Janicab, Evilnum and PowerSing campaigns (PowerPepper was later documented in 2020). Notably, we exposed why we believe the threat actor may fit a group of mercenaries, offering hack-for-hire services, or acting as an information broker to support competitive and financial intelligence efforts.…

Read More
Continuing our initiative of sharing VirusTotal’s visibility to help researchers, security practitioners and the general public better understand the nature of malicious attacks, we are proud to announce our “Deception at scale: How malware abuses trust” report. 

This time, we focused on different techniques used by malware to bypass defenses and make social engineering attacks more effective.…
Read More

Adversaries don’t work 9-5 and neither do we. At eSentire, our 24/7 SOCs are staffed with Elite Threat Hunters and Cyber Analysts who hunt, investigate, contain and respond to threats within minutes.

We have discovered some of the most dangerous threats and nation state attacks in our space – including the Kaseya MSP breach and the more_eggs malware.…

Read More
Summary

Since May 2022, ThreatLabz has been closely monitoring the activities of a threat actor which targets users in various US-based organizations with malicious voicemail-notification-themed emails in an attempt to steal their Office365 and Outlook credentials. The tactics, techniques, and procedures (TTPs) of this threat actor have a high overlap with a previous voicemail campaign that ThreatLabz analyzed in July 2020.…

Read More
Table of Contents

A new remote code execution vulnerability called “Follina” has been found lurking in most Microsoft products. In this blog, we examine a potential attack vector as well as technical details of Follina, and chart the ability to detect this new vulnerability using both Qualys Multi-Vector EDR and Qualys Context XDR.…

Read More

Malware authors and distributors are following the ebbs and flow of the threat landscape. One campaign we have tracked for a numbers of years recently introduced a new scheme to possibly completely move away from drive-by downloads via exploit kit.

In this quick blog post, we will look at this new attack chain and link it with previous activity from what we believe are the same threat actors.…

Read More
Introduction

LuoYu is a lesser-known threat actor that has been active since 2008. It primarily goes after targets located in China, such as foreign diplomatic organizations established in the country, members of the academic community, or companies from the defense, logistics and telecommunications sectors. In their initial disclosures on this threat actor, TeamT5 identified three malware families: SpyDealer, Demsty and WinDealer.…

Read More

By: Jason Reaves and Joshua Platt

SocGholish AKA FAKEUPDATES was first reported in 2017. While the initial analysis and reporting did not gain much attention, over time the actor(s) behind the activity continued to expand and develop their operations. Partnering with Evil Corp, the FAKEUPDATE / SOCGHOLISH framework has become a major corporate initial access vector.…

Read More