malware

Pierluigi Paganini March 11, 2019
STOP ransomware encrypts files and steals victim’s data

Experts observed the STOP ransomware installing the Azorult password-stealing Trojan to steal account credentials, cryptocurrency wallets, and more. The STOP ransomware made the headlines because it is installing password-stealing Trojans on the victims’ machines. Experts observed the ransomware also installing the dreaded Azorult password-stealing Trojan on victim’s machine to steal account credentials, cryptocurrency wallets, documents […]

Pierluigi Paganini March 08, 2019
Evading AV with JavaScript Obfuscation

A few days ago, Cybaze-Yoroi ZLAB researchers spotted a suspicious JavaScript file that implemented several techniques to evade detection of all AV solutions. Introduction A few days ago, Cybaze-Yoroi ZLAB researchers spotted a suspicious JavaScript file needing further attention: it leveraged several techniques in order to evade all AV detection and no one of the […]

Pierluigi Paganini March 07, 2019
StealthWorker Malware Uses Windows, Linux Bots to Hack Websites

Security experts at FortiGuard uncovered a new malware campaign aimed at delivering the StealthWorker brute-force malware. The malicious code targets both Windows and Linux systems, compromised systems are used to carry out brute force attacks along with other infected systems. The malicious code was first discovered by Malwarebytes at the end of February and tracked […]

Pierluigi Paganini March 06, 2019
Cybaz-Yoroi ZLAB shed the light on Op. ‘Pistacchietto’: An Italian Job

In the past weeks, a new strange campaign emerged in the cyber threat Italian landscape, it has been tracked as “Operation Pistacchietto.” Introduction In the past weeks, a new strange campaign emerged in the Italian landscape. It has been baptized “Operation Pistacchietto” from a username extracted from a Github account used to serve some part […]

Pierluigi Paganini March 04, 2019
Experts collect more evidence that link Op ‘Sharpshooter’ to North Korea

Security researchers at McAfee have linked the Op. Sharpshooter with the North Korea-linked Lazarus APT group after analyzing code from a command and control (C2) server. Security experts at McAfee analyzed the code of a C2 server involved in the cyber espionage campaign tracked as Op. Sharpshooter and linked it with the North Korea-linked APT […]

Pierluigi Paganini March 04, 2019
Necurs Botnet adopts a new strategy to evade detection

The Necurs Botnet continues to evolve, a new strategy aims at hiding in the shadows, and leverages new payloads to recruits new bots. Necurs botnet is currently the second largest spam botnet, it has been active since at least 2012 and was involved in massive campaigns spreading malware such as the Locky ransomware, the Scarab ransomware, […]

Pierluigi Paganini March 04, 2019
Threat actors using FrameworkPOS malware in POS attacks

Security experts at Morphisec observed a wave of attacks against point-of-sale (PoS) thin clients using card data scraping malware and the Cobalt Strike beacon. Over the past 8-10 weeks, security experts at Morphisec observed multiple sophisticated attacks targeting PoS thin clients worldwide.  Most of the indicators collected by the experts point to the FIN6 hacking […]

Pierluigi Paganini March 02, 2019
[SI-LAB] FlawedAmmyy Leveraging Undetected XLM Macros as an Infection Vehicle

SI-LAB captured a piece of the FlawedAmmyy malware that leverages undetected XLM macros as an Infection Vehicle to compromise user’s devices. In February 2019, SI-LAB captured multiple samples of phishing campaigns using an Office Excel document carrying a malicious Excel 4.0 macro, also known as XLM macro, and used to download and execute a final […]

Pierluigi Paganini March 01, 2019
Emissary Panda updated its weapons for attacks in the past 2 years

Experts analyzed tools and intrusion methods used by theChina-linked cyber-espionage group Emissary Panda in attacks over the past 2 years. This morning I wrote about a large-scale cyber attack that hit the International Civil Aviation Organization (ICAO) in November 2016, Emissary Panda was suspected to be the culprit. Experts at Secureworks reports who investigated the […]

Pierluigi Paganini February 28, 2019
Ransomware, Trojan and Miner together against “PIK-Group”

Security expert Marco Ramilli analyzed a new piece of malware apparently designed to target PIK-Group that implements ransomware, Trojan, and Miner capabilities. When an unknown sender suggests me to click on a super wired url, dropping a ZIP file straight in my box, by saying it’s getting the next targeted attack on a huge company, […]