Malware

Pierluigi Paganini August 30, 2023
Chinese GREF APT distributes spyware via trojanized Signal and Telegram apps on Google Play and Samsung Galaxy stores

China-linked APT group GREF is behind a malware campaign distributing spyware via trojanized Signal and Telegram apps on Google Play ESET researchers uncovered a cyberespionage campaign carried out by the China-linked APT group known as GREF that is distributing spyware via trojanized Signal and Telegram apps on Google Play and Samsung Galaxy stores. The malware […]

Pierluigi Paganini August 30, 2023
FBI: Operation ‘Duck Hunt’ dismantled the Qakbot botnet

FBI coordinated an international law enforcement operation, named Operation ‘Duck Hunt’, that dismantled the Qakbot botnet. The FBI announced that the Qakbot botnet has been dismantled as a result of an international law enforcement operation named Operation ‘Duck Hunt.’ Qakbot, also known as QBot, QuackBot and Pinkslipbot, is an info-stealing malware that has been active […]

Pierluigi Paganini August 29, 2023
Japan’s JPCERT warns of new ‘MalDoc in PDF’ attack technique

Japan’s JPCERT warns of a new recently detected ‘MalDoc in PDF’ attack that embeds malicious Word files into PDFs. Japan’s computer emergency response team (JPCERT) has recently observed a new attack technique, called ‘MalDoc in PDF’, that bypasses detection by embedding a malicious Word file into a PDF file. The researchers explained that a file […]

Pierluigi Paganini August 28, 2023
Rhysida ransomware group claims the hack of Prospect Medical

The Rhysida ransomware group claimed to have hacked Prospect Medical Holdings and sensitive information from the company. In early August, a cyberattack disrupted the computer systems of multiple hospitals operated by Prospect Medical Holdings, which are located in multiple states, including California, Texas, Connecticut, Rhode Island, and Pennsylvania. Some emergency rooms in multiple hospitals in […]

Pierluigi Paganini August 28, 2023
Updated Kmsdx botnet targets IoT devices

Researchers spotted an updated version of the KmsdBot botnet that is now targeting Internet of Things (IoT) devices. The Akamai Security Intelligence Response Team (SIRT) discovered a new version of the KmsdBot botnet that employed an updated Kmsdx binary targeting Internet of Things (IoT) devices. KmsdBot is an evasive Golang-based malware that was first detected by […]

Pierluigi Paganini August 27, 2023
Leaked LockBit 3.0 ransomware builder used by multiple threat actors

The leak of the source code of the LockBit 3.0 ransomware builder in 2022 allowed threat actors to create new variants of the threat. Lockbit v3, aka Lockbit Black, was detected in June 2022, but in September 2022 a builder for this variant was leaked online. The availability of the builder allowed anyone to create their own […]

Pierluigi Paganini August 25, 2023
Whiffy Recon malware triangulates the position of infected systems via Wi-Fi

Experts observed the SmokeLoader malware delivering a new Wi-Fi scanning malware strain dubbed Whiffy Recon. Secureworks Counter Threat Unit (CTU) researchers observed the Smoke Loader botnet dropping a new Wi-Fi scanning malware named Whiffy Recon. The malicious code triangulates the positions of the infected systems using nearby Wi-Fi access points as a data point for Google’s […]

Pierluigi Paganini August 24, 2023
Lazarus APT exploits Zoho ManageEngine flaw to target an Internet backbone infrastructure provider

The North Korea-linked Lazarus group exploits a critical flaw in Zoho ManageEngine ServiceDesk Plus to deliver the QuiteRAT malware. The North Korea-linked APT group Lazarus has been exploiting a critical vulnerability, tracked as CVE-2022-47966, in Zoho’s ManageEngine ServiceDesk in attacks aimed at the Internet backbone infrastructure provider and healthcare organizations. The state-sponsored hackers targeted entities […]

Pierluigi Paganini August 23, 2023
Carderbee APT targets Hong Kong orgs via supply chain attacks

A previously unknown APT group, tracked as Carderbee, was behind a supply chain attack against Hong Kong organizations. Symantec Threat Hunter Team reported that a previously unknown APT group, tracked as Carderbee, used a malware-laced version of the legitimate Cobra DocGuard software to carry out a supply chain attack aimed at organizations in Hong Kong. […]

Pierluigi Paganini August 22, 2023
Akira ransomware gang spotted targeting Cisco VPN products to hack organizations

The Akira ransomware gang targets Cisco VPN products to gain initial access to corporate networks and steal their data. The Akira ransomware has been active since March 2023, the threat actors behind the malware claim to have already hacked multiple organizations in multiple industries, including education, finance, and real estate. Like other ransomware gangs, the […]