A week in security (May 17 – May 23)

Last week on Malwarebytes Labs, we looked at a banking trojan full of nasty tricks, explained some tips and pointers for using VirusTotal, and dug into how an authentication vulnerability was patched by Pega Infinity. We also explored how a Royal Mail phish deploys evasion tricks to avoid analysi...

CVE-2021-20726

Untrusted search path vulnerability in The Installer of Overwolf 2.168.0.n and earlier allows an attacker to gain privileges and execute arbitrary code with the privilege of the user invoking the installer via a Trojan horse DLL in an unspecified directory...

CVE-2021-20722

Untrusted search path vulnerability in the installers of ScanSnap Manager prior to versions V7.0L20 and the Software Download Installer prior to WinSSInst2JP.exe and WinSSInst2iX1500JP.exe allows an attacker to gain privileges and execute arbitrary code with the privilege of the user invoking the...

CVE-2021-20722

Untrusted search path vulnerability in the installers of ScanSnap Manager prior to versions V7.0L20 and the Software Download Installer prior to WinSSInst2JP.exe and WinSSInst2iX1500JP.exe allows an attacker to gain privileges and execute arbitrary code with the privilege of the user invoking the...

Design/Logic Flaw

Untrusted search path vulnerability in The Installer of Overwolf 2.168.0.n and earlier allows an attacker to gain privileges and execute arbitrary code with the privilege of the user invoking the installer via a Trojan horse DLL in an unspecified directory...

CVE-2021-20726

Untrusted search path vulnerability in The Installer of Overwolf 2.168.0.n and earlier allows an attacker to gain privileges and execute arbitrary code with the privilege of the user invoking the installer via a Trojan horse DLL in an unspecified directory...

Backdoor.Win32.Spirit.12.b Insecure Permissions

Discovery / credits: Malvuln - malvuln.com c 2021 Original source: https://malvuln.com/advisory/2bcd471d9dd0a8d6194f4112c2ee520f.txt Contact: [email protected] Media: twitter.com/malvuln Threat: Backdoor.Win32.Spirit.12.b Vulnerability: Insecure Permissions Description: Trojan Spirit 2001a 1.2...

Email Campaign Spreads StrRAT Fake-Ransomware RAT

An email campaign is delivering a Java-based remote access trojan RAT that can not only steal credentials and take control of systems, but also presents as fake ransomware, Microsoft researchers have discovered. The Microsoft Security Intelligence MSI team has outlined details of a “massive email...

Bizarro Banking Trojan

Bizarro is a new banking trojan that is stealing financial information and crypto wallets. …the program can be delivered in a couple of ways­ -- either via malicious links contained within spam emails, or through a trojanized app. Using these sneaky methods, trojan operators will implant the...

Bizarro: a banking Trojan full of nasty tricks

Researchers have discovered a new banking Trojan that has been found targeting customers of European and South American banks. They have dubbed the new Trojan Bizarro. How does Bizarro spread? The Bizarro malware spreads via Microsoft Installer MSI packages. Identified sources so far have been sp...

70 European and South American Banks Under Attack By Bizarro Banking Malware

A financially motivated cybercrime gang has unleashed a previously undocumented banking trojan, which can steal credentials from customers of 70 banks located in various European and South American countries. Dubbed "Bizarro" by Kaspersky researchers, the Windows malware is "using affiliates or...

Bizarro Banking Trojan Sports Sophisticated Backdoor

A never-before-documented Brazilian banking trojan, dubbed Bizarro, is targeting customers of 70 banks scattered throughout Europe and South America, researchers said. According to an analysis from Kaspersky released Monday, Bizarro is a mobile malware, aimed at capturing online-banking credentia...

Bizarro banking Trojan expands its attacks to Europe

Bizarro is yet another banking Trojan family originating from Brazil that is now found in other regions of the world. We have seen users being targeted in Spain, Portugal, France and Italy. Attempts have now been made to steal credentials from customers of 70 banks from different European and Sou...

TeaBot Trojan Targets Banks via Hijacked Android Handsets

Researchers have discovered an Android trojan that can steal victims’ SMS messages and credentials and completely take over devices. The trojan, dubbed TeaBot, is aimed at committing fraud against at least 60 banks in Europe. Join Threatpost for “Fortifying Your Business Against Ransomware, DDoS ...

Experts warn of a new Android banking trojan stealing users' credentials

Cybersecurity researchers on Monday disclosed a new Android trojan that hijacks users' credentials and SMS messages to facilitate fraudulent activities against banks in Spain, Germany, Italy, Belgium, and the Netherlands. Called "TeaBot" or Anatsa, the malware is said to be in its early stages of...

Code Execution Vulnerability in EmpireCMS v7.5 Backend

EmpireCMS is an open source software program that runs on a PHP MySQL database. A code execution vulnerability exists in the EmpireCMS v7.5 backend, which can be exploited by an attacker to upload Trojan horse files and execute system commands...

Watch out! Android Flubot spyware is spreading fast

Using a proven method of text messages about missed deliveries, an old player on the Android malware stage has returned for an encore. This time it seems to be very active, especially in the UK where Android users are being targeted by text messages containing a link to a particularly nasty piece...

Trojan-Dropper.Win32.Injector.aobl Insecure Permissions

Discovery / credits: Malvuln - malvuln.com c 2021 Original source: https://malvuln.com/advisory/842f6f21a2a83792e98900df90c9340b.txt Contact: [email protected] Media: twitter.com/malvuln Threat: Trojan-Dropper.Win32.Injector.aobl Vulnerability: Insecure Permissions Description: The malware...

Telegram Platform Abused in 'ToxicEye' Malware Campaigns

Hackers are leveraging the popular Telegram messaging app by embedding its code inside a remote access trojan RAT dubbed ToxicEye, new research has found. A victim’s computer infected with the ToxicEye malware is controlled via a hacker-operated Telegram messaging account. The ToxicEye malware ca...

Cybercriminals Using Telegram Messenger to Control ToxicEye Malware

Adversaries are increasingly abusing Telegram as a "command-and-control" system to distribute malware into organizations that could then be used to capture sensitive information from targeted systems. "Even when Telegram is not installed or being used, the system allows hackers to send malicious...