Malware

Pierluigi Paganini July 29, 2024
Belarus-linked APT Ghostwriter targeted Ukraine with PicassoLoader malware

Belarus-linked APT group GhostWriter targeted Ukrainian organizations with a malware family known as PicassoLoader, used to deliver various malicious payloads. The Ukrainian Government’s Computer Emergency Response Team (CERT-UA) reported a surge in activity associated with the APT group UAC-0057 (aka GhostWriter) group between July 12 and 18, 2024. Threat actors distributed documents containing macros designed […]

Pierluigi Paganini July 28, 2024
French authorities launch disinfection operation to eradicate PlugX malware from infected hosts

French authorities and Europol are conducting a “disinfection operation” targeting hosts compromised by the PlugX malware. The French authorities, with the help of Europol, have launched on July 18, 2024, a “disinfection operation” to clean hosts infected with the PlugX malware. Following a report by the cybersecurity firm Sekoia.io, the Paris Public Prosecutor’s Office launched […]

Pierluigi Paganini July 28, 2024
Security Affairs Malware Newsletter – Round 4

Security Affairs Malware newsletter includes a collection of the best articles and research on malware in the international landscape. Play Ransomware Group’s New Linux Variant Targets ESXi, Shows Ties With Prolific Puma Fake Browser Updates Lead to BOINC Volunteer Computing Software      Impact of FrostyGoop ICS Malware on Connected OT Systems A Novel Static Analysis […]

Pierluigi Paganini July 25, 2024
Hackers exploit Microsoft Defender SmartScreen bug CVE-2024-21412 to deliver ACR, Lumma, and Meduza Stealers

The CVE-2024-21412 flaw in the Microsoft Defender SmartScreen has been exploited to deliver information stealers such as ACR Stealer, Lumma, and Meduza. Fortinet FortiGuard Labs researchers observed a malware campaign exploiting the vulnerability CVE-2024-21412 (CVSS score: 8.1) to spread information stealer, such as ACR Stealer, Lumma, and Meduza. The CVE-2024-21412 is an Internet Shortcut Files Security Feature Bypass Vulnerability. The flaw […]

Pierluigi Paganini July 24, 2024
China-linked APT group uses new Macma macOS backdoor version

China-linked APT group Daggerfly (aka Evasive Panda, Bronze Highland) Evasive Panda has been spotted using an updated version of the macOS backdoor Macma. The China-linked APT group Daggerfly (aka Evasive Panda or Bronze Highland) has significantly updated its malware arsenal, adding a new malware family based on the MgBot framework and an updated Macma macOS backdoor. […]

Pierluigi Paganini July 23, 2024
FrostyGoop ICS malware targets Ukraine

In April 2024, Dragos researchers spotted the malware FrostyGoop that interacts with Industrial Control Systems (ICS) using the Modbus protocol. In April 2024, Dragos researchers discovered a new ICS malware named FrostyGoop that interacts with Industrial Control Systems using the Modbus protocol. FrostyGoop is the ninth ICS malware that was discovered an that a nation-state […]

Pierluigi Paganini July 23, 2024
Hackers abused swap files in e-skimming attacks on Magento sites

Threat actors abused swap files in compromised Magento websites to hide credit card skimmer and harvest payment information. Security researchers from Sucuri observed threat actors using swap files in compromised Magento websites to conceal a persistent software skimmer and harvest payment information. The attackers used this tactic to maintain persistence and allowing the malware to […]

Pierluigi Paganini July 22, 2024
SocGholish malware used to spread AsyncRAT malware

The JavaScript downloader SocGholish (aka FakeUpdates) is being used to deliver the AsyncRAT and the legitimate open-source project BOINC. Huntress researchers observed the JavaScript downloader malware SocGholish (aka FakeUpdates) that is being used to deliver remote access trojan AsyncRAT and the legitimate open-source project BOINC (Berkeley Open Infrastructure Network Computing Client). The BOINC project is […]

Pierluigi Paganini July 21, 2024
Security Affairs Malware Newsletter – Round 3

Security Affairs Malware newsletter includes a collection of the best articles and research on malware in the international landscape. Hardening of HardBit    10,000 Victims a Day: Infostealer Garden of Low-Hanging Fruit This Meeting Should Have Been an Email   Ransomware Detection Model Based on Adaptive Graph Neural Network Learning SEXi ransomware rebrands to APT INC, continues […]

Pierluigi Paganini July 20, 2024
Threat actors attempted to capitalize CrowdStrike incident

CrowdStrike warns that threat actors are exploiting the recent IT outage caused by their faulty update to distribute Remcos RAT malware. CrowdStrike spotted threat actors attempting to benefit from the recent IT outage caused by the faulty update of the cybersecurity firm to distribute Remcos RAT malware. The threat actors attempted to distribute the Remcos […]