A week in security (January 27 – February 2)

Last week on Malwarebytes Labs, we looked at the strengths and weaknesses of the Zero Trust model, gave you the low-down on spear phishing, and took a delve into the world of securing the managed service provider MSP. Other cybersecurity news UN compromised via Sharepoint hack: An extraordinary...

U.S. Gov Agency Targeted With Malware-Laced Emails

A U.S. government agency was targeted with spear phishing emails harboring several malware strains – including a never-before-seen malware downloader that researchers call “Carrotball.” The campaign, which researchers observed occurring from July to October and code-named “Fractured Statue,”...

The vulnerability of the Office Online Server web server, related to errors in information representation by the user interface, allows attackers to perform spear-phishing attacks.

The vulnerability of the Office Online Server web server is related to errors in information representation by the user interface. Exploiting this vulnerability allows a malicious actor to carry out spoofing attacks using specially crafted requests...

The vulnerability of Internet Explorer and Microsoft Edge browsers, related to bypassing authentication through spoofing, allows attackers to access confidential data.

The vulnerability of Internet Explorer and Microsoft Edge relates to bypassing authentication through spear-phishing tactics. Exploiting this vulnerability allows a malicious actor to gain access to confidential data through a specially created web page...

Threat Analysis Unit (TAU) Threat Intelligence Notification: njRAT

njRAT is a Remote Access Trojan RAT that will silently collect and steal sensitive information such as login credentials. It can also perform keylogger monitoring, remote desktop control, installing additional malicious software, and many other malicious activities on the victim’s computer. In...

RevengeHotels: cybercrime targeting hotel front desks worldwide

RevengeHotels is a targeted cybercrime malware campaign against hotels, hostels, hospitality and tourism companies, mainly, but not exclusively, located in Brazil. We have confirmed more than 20 hotels that are victims of the group, located in eight states in Brazil, but also in other countries...

Threat Analysis Unit (TAU) Threat Intelligence Notification: AsyncRAT

AsyncRAT is a Remote Access Tool RAT designed to remotely monitor and control other computers through a secure encrypted connection. It is an open source remote administration tool, however, it could also be used maliciously because it provides functionality such as keylogger, remote desktop...

New Group of Hackers Targeting Businesses with Financially Motivated Cyber Attacks

Security researchers have tracked down activities of a new group of financially-motivated hackers that are targeting several businesses and organizations in Germany, Italy, and the United States in an attempt to infect them with backdoor, banking Trojan, or ransomware malware. Though the new...

New Group of Hackers Targeting Businesses with Financially Motivated Cyber Attacks

Security researchers have tracked down activities of a new group of financially-motivated hackers that are targeting several businesses and organizations in Germany, Italy, and the United States in an attempt to infect them with backdoor, banking Trojan, or ransomware malware. Though the new...

ENFUSE 2019: Security Regulations, Insider Threats, and IoT Privacy Risks

LAS VEGAS – From insider threats, Internet of Things insecurity, to medical device hacking, ENFUSE 2019 broke down the top privacy and security issues help desks are seeing today. It also tackle what regulatory efforts are being developed to address those threats. Threatpost editor Lindsey...

What’s So Dangerous About Spear Phishing?

Spear phishing is one of the most common and most effective cyberattack vectors seen today. Delivered through email, spear phishing campaigns aim either to infect devices with malware, or to steal important information—like credentials and bank numbers. Spear phishing is targeted at specific grou...

DarkUniverse – the mysterious APT framework #27

In April 2017, ShadowBrokers published their well-known 'Lost in Translation' leak, which, among other things, contained an interesting script that checked for traces of other APTs in the compromised system. In 2018, we found an APT described as the 27th function of this script, which we call...

The vulnerability of Check Point Security Gateway’s security gateway allows attackers to circumvent existing access restrictions and carry out spear-phishing attacks.

The vulnerability of Check Point Security Gateway relates to deficiencies in access control for certain functions. Exploiting this vulnerability allows a malicious actor to bypass existing access restrictions and carry out spear-phishing attacks...

McAfee ATR Analyzes Sodinokibi aka REvil Ransomware-as-a-Service - Crescendo

McAfee ATR Analyzes Sodinokibi aka REvil Ransomware-as-a-Service – Crescendo By Jessica Saavedra-Morales · October 20, 2019 Episode 4: Crescendo This is the final installment of the McAfee Advanced Threat Research ATR analysis of Sodinokibi and its connections to GandGrab, the most prolific...

McAfee ATR Analyzes Sodinokibi aka REvil Ransomware-as-a-Service - Crescendo

McAfee ATR Analyzes Sodinokibi aka REvil Ransomware-as-a-Service – Crescendo By Jessica Saavedra-Morales · October 20, 2019 Episode 4: Crescendo This is the final installment of the McAfee Advanced Threat Research ATR analysis of Sodinokibi and its connections to GandGrab, the most prolific...

The vulnerability of Firefox browsers, caused by display errors in file names in the “Downloads” tab, allows attackers to perform spear-phishing attacks.

The vulnerability of Firefox browsers arises due to errors in the character display in file names within the “Downloads” tab. Exploiting this vulnerability allows a remote attacker to perform spear-phishing attacks...

A Look Into Continuous Efforts By Chinese Hackers to Target Foreign Governments

Phishing is still one of the widely used strategies by cybercriminals and espionage groups to gain an initial foothold on the targeted systems. Though hacking someone with phishing attacks was easy a decade ago, the evolution of threat detection technologies and cyber awareness among people has...

CB TAU Threat Intelligence Notification: Common to Russian Underground Forums, AZORult Aims to Connect to C&C Server, Steal Sensitive Data

AZORult is an info stealing trojan that will steal various sensitive data from the victim's computer. It is commonly sold in Russian underground forums and is often actively being delivered via spear-phishing campaigns or, as in the recent attack, distributed via a fake website, pretending to be...

Emotet is back: botnet springs back to life with new spam campaign

After a fairly long hiatus that lasted nearly four months, Emotet is back with an active spam distribution campaign. For a few weeks, there were signs that the botnet was setting its gears in motion again, as we observed command and control C2 server activity. But this morning, the Trojan started...

North Korean Spear-Phishing Attack Targets U.S. Firms

Researchers have uncovered an ongoing, sophisticated malware campaign aiming at U.S.-based targets with an interest in nuclear deterrence, North Korea’s nuclear submarine program and North Korean economic sanctions. The campaign, which researchers from Prevailion call “Autumn Aperture” and link...