A number of malicious samples have been created for the Windows Subsystem for Linux (WSL) with the goal of compromising Windows machines, highlighting a sneaky method that allows the operators to stay under the radar and thwart detection by popular anti-malware engines. The "distinct tradecraft" marks the first instance where a threat actor has been found abusing WSL to install … [Read more...] about New Malware Targets Windows Subsystem for Linux to Evade Detection
Malware
This New Malware Family Using CLFS Log Files to Avoid Detection
Cybersecurity researchers have disclosed details about a new malware family that relies on the Common Log File System (CLFS) to hide a second-stage payload in registry transaction files in an attempt to evade detection mechanisms. FireEye's Mandiant Advanced Practices team, which made the discovery, dubbed the malware PRIVATELOG, and its installer, STASHLOG. Specifics about the … [Read more...] about This New Malware Family Using CLFS Log Files to Avoid Detection
Cybercriminals Abusing Internet-Sharing Services to Monetize Malware Campaigns
Threat actors are capitalizing on the growing popularity of proxyware platforms like Honeygain and Nanowire to monetize their own malware campaigns, once again illustrating how attackers are quick to repurpose and weaponize legitimate platforms to their advantage. "Malware is currently leveraging these platforms to monetize the internet bandwidth of victims, similar to how … [Read more...] about Cybercriminals Abusing Internet-Sharing Services to Monetize Malware Campaigns
ShadowPad Malware is Becoming a Favorite Choice of Chinese Espionage Groups
ShadowPad, an infamous Windows backdoor that allows attackers to download further malicious modules or steal data, has been put to use by five different Chinese threat clusters since 2017. "The adoption of ShadowPad significantly reduces the costs of development and maintenance for threat actors," SentinelOne researchers Yi-Jhen Hsieh and Joey Chen said in a detailed overview … [Read more...] about ShadowPad Malware is Becoming a Favorite Choice of Chinese Espionage Groups
Experts Uncover Several C&C Servers Linked to WellMess Malware
Cybersecurity researchers on Friday unmasked new command-and-control (C2) infrastructure belonging to the Russian threat actor tracked as APT29, aka Cozy Bear, that has been spotted actively serving WellMess malware as part of an ongoing attack campaign. More than 30 C2 servers operated by the Russian foreign intelligence have been uncovered, Microsoft-owned cybersecurity … [Read more...] about Experts Uncover Several C&C Servers Linked to WellMess Malware
Hackers Exploit Microsoft Browser Bug to Deploy VBA Malware on Targeted PCs
An unidentified threat actor has been exploiting a now-patched zero-day flaw in Internet Explorer browser to deliver a fully-featured VBA-based remote access trojan (RAT) capable of accessing files stored in compromised Windows systems, and downloading and executing malicious payloads as part of an "unusual" campaign. The backdoor is distributed via a decoy document named … [Read more...] about Hackers Exploit Microsoft Browser Bug to Deploy VBA Malware on Targeted PCs
UBEL is the New Oscorp — Android Credential Stealing Malware Active in the Wild
An Android malware that was observed abusing accessibility services in the device to hijack user credentials from European banking applications has morphed into an entirely new botnet as part of a renewed campaign that began in May 2021. Italy's CERT-AGID, in late January, disclosed details about Oscorp, a mobile malware developed to attack multiple financial targets with the … [Read more...] about UBEL is the New Oscorp — Android Credential Stealing Malware Active in the Wild
Nasty macOS Malware XCSSET Now Targets Google Chrome, Telegram Software
A malware known for targeting macOS operating system has been updated once again to add more features to its toolset that allows it to amass and exfiltrate sensitive data stored in a variety of apps, including apps such as Google Chrome and Telegram, as part of further "refinements in its tactics." XCSSET was uncovered in August 2020, when it was found targeting Mac developers … [Read more...] about Nasty macOS Malware XCSSET Now Targets Google Chrome, Telegram Software
Trickbot Malware Returns with a new VNC Module to Spy on its Victims
Cybersecurity researchers have opened the lid on the continued resurgence of the insidious Trickbot malware, making it clear that the Russia-based transnational cybercrime group is working behind the scenes to revamp its attack infrastructure in response to recent counter efforts from law enforcement. "The new capabilities discovered are used to monitor and gather intelligence … [Read more...] about Trickbot Malware Returns with a new VNC Module to Spy on its Victims
WildPressure APT Emerges With New Malware Targeting Windows and macOS
A malicious campaign that has set its sights on industrial-related entities in the Middle East since 2019 has resurfaced with an upgraded malware toolset to strike both Windows and macOS operating systems, symbolizing an expansion in both its targets and its strategy around distributing threats. Russian cybersecurity firm attributed the attacks to an advanced persistent threat … [Read more...] about WildPressure APT Emerges With New Malware Targeting Windows and macOS