Malware

Pierluigi Paganini August 15, 2022
SOVA Android malware now also encrypts victims’ files

Security researchers from Cleafy reported that the SOVA Android banking malware is back and is rapidly evolving. The SOVA Android banking trojan was improved, it has a new ransomware feature that encrypts files on Android devices, Cleafy researchers report. The malware has been active since 2021 and evolves over time. The latest version of the […]

Pierluigi Paganini August 15, 2022
A new PyPI Package was found delivering fileless Linux Malware

Security Researchers discovered a new PyPI Package designed to drop fileless cryptominer to Linux systems. Sonatype researchers have discovered a new PyPI package named ‘secretslib‘ that drops fileless cryptominer to the memory of Linux machine systems. The package describes itself as “secrets matching and verification made easy,” it has a total of 93 downloads since […]

Pierluigi Paganini August 15, 2022
Iron Tiger APT is behind a supply chain attack that employed messaging app MiMi

China-linked threat actors Iron Tiger backdoored a version of the cross-platform messaging app MiMi to infect systems. Trend Micro researchers uncovered a new campaign conducted by a China-linked threat actor Iron Tiger that employed a  backdoored version of the cross-platform messaging app MiMi Chat App to infect Windows, Mac, and Linux systems. The Iron Tiger APT (aka Panda Emissary, […]

Pierluigi Paganini August 14, 2022
CISA, FBI shared a joint advisory to warn of Zeppelin ransomware attacks

The US Cybersecurity and Infrastructure Security Agency (CISA) and the FBI are warning of Zeppelin ransomware attacks. The US Cybersecurity and Infrastructure Security Agency (CISA) and the Federal Bureau of Investigation (FBI) have published a joint advisory to warn of Zeppelin ransomware attacks. The Zeppelin ransomware first appeared on the threat landscape in November 2019 […]

Pierluigi Paganini August 12, 2022
BazarCall attacks have revolutionized ransomware operations

The Conti ransomware gang is using BazarCall phishing attacks as an initial attack vector to access targeted networks. BazarCall attack, aka call back phishing, is an attack vector that utilizes targeted phishing methodology and was first used by the Ryuk ransomware gang in 2020/2021. The BazarCall attack chain is composed of the following stages: Stage […]

Pierluigi Paganini August 10, 2022
Cisco was hacked by the Yanluowang ransomware gang

Cisco discloses a security breach, the Yanluowang ransomware group breached its corporate network in late May and stole internal data. Cisco disclosed a security breach, the Yanluowang ransomware group breached its corporate network in late May and stole internal data. The investigation conducted by Cisco Security Incident Response (CSIRT) and Cisco Talos revealed that threat […]

Pierluigi Paganini August 10, 2022
Experts found 10 malicious packages on PyPI used to steal developers’ data

10 packages have been removed from the Python Package Index (PyPI) because they were found harvesting data. Check Point researchers have discovered ten malicious packages on the Python Package Index (PyPI). The packages install info-stealers that allow threat actors to steal the private data and personal credentials of the developers. The researchers provide details about […]

Pierluigi Paganini August 09, 2022
Experts linked Maui ransomware to North Korean Andariel APT

Cybersecurity researchers from Kaspersky linked the Maui ransomware to the North Korea-backed Andariel APT group. Kaspersky linked with medium confidence the Maui ransomware operation to the North Korea-backed APT group Andariel, which is considered a division of the Lazarus APT Group,  North Korean nation-state actors used Maui ransomware to encrypt servers providing healthcare services, including electronic […]

Pierluigi Paganini August 09, 2022
Malicious file analysis – Example 01

Cyber Security Specialist Zoziel Pinto Freire shows an example of malicious file analysis presented during his lecture on BSides-Vitória 2022. My objective with this series of articles is to show examples of malicious file analysis that I presented during my lecture on BSides-Vitória 2022. For this first one, I’ll briefly introduce some crucial topics to […]

Pierluigi Paganini August 08, 2022
Orchard botnet uses Bitcoin Transaction info to generate DGA domains

Experts spotted a new botnet named Orchard using Bitcoin creator Satoshi Nakamoto’s account information to generate malicious domains. 360 Netlab researchers recently discovered a new botnet named Orchard that uses Satoshi Nakamoto’s Bitcoin account (1A1zP1eP5QGefi2DMPTfTL5SLmv7DivfNa) transaction information to generate DGA domain name. “Another change relates to the use of the DGA algorithm employed in the […]