Malware

Pierluigi Paganini June 14, 2019
Dissecting NanoCore Crimeware Attack Chain

The Cybaze-Yoroi ZLab analyzed a new sample of Nanocore Remote Administrator Tools (RAT) using a Delphi wrapper to protect its code. Introduction Historically, cyber-criminals adopted one or more layers of encryption and obfuscation to lower their footprint and avoid detection. The usage of cryptors and packers has become a commodity in the contemporary malware landscape, providing the […]

Pierluigi Paganini June 13, 2019
Ransomware paralyzed production for at least a week at ASCO factories

Malware infections could be devastating for production environments, a ransomware infection halts production operations for days at airplane parts manufacturer ASCO. ASCO, is of the world’s largest manufacturers of aerospace components The company has offices and production plants in Belgium, Canada, Germany the US, Brasil, and France. ASCO provides components to Airbus, Boeing, Bombardier Aerospace, […]

Pierluigi Paganini June 12, 2019
FIN8 Hacking Group is back with an improved version of the ShellTea Backdoor

After two years of silence, FIN8 group is back and carried out a new campaign against the hotel-entertainment industry employing the ShellTea/PunchBuggy backdoor. Two years later after the last report, FIN8 group is back and carried out a new campaign against the hotel-entertainment industry using an improved version of the ShellTea/PunchBuggy backdoor. The last time […]

Pierluigi Paganini June 11, 2019
How Ursnif Evolves to Keep Threatening Italy

For months the Italian users have been targeted by waves of malspam delivering infamous Ursnif variants, Yoroi-Cybaze ZLab detailed its evolution. Introduction For months the Italian users have been targeted by waves of malspam delivering infamous Ursnif variants. Yoroi-Cybaze ZLab closely observed these campaigns and analyzed them to track the evolution of the techniques and […]

Pierluigi Paganini June 11, 2019
MuddyWater APT group updated its multi-stage PowerShell backdoor Powerstats

The MuddyWater cyber espionage group has used an updated multi-stage PowerShell backdoor in recent cyber attacks. Security experts at Trend Micro report that the MuddyWater APT group (aka SeedWorm and TEMP.Zagros), has used an updated multi-stage PowerShell backdoor in recent cyber espionage campaigns. The first MuddyWater campaign was observed in late 2017 when targeted entities in the Middle East. The experts called […]

Pierluigi Paganini June 11, 2019
CVE-2019-2725 Oracle WebLogic flaw exploited in cryptojacking campaign

The CVE-2019-2725 vulnerability in Oracle WebLogic recently, addressed by the company, is being exploited in cryptojacking attacks, Trend Micro reports. Experts at Trend Micro reported that the recently patched CVE-2019-2725 vulnerability in Oracle WebLogic is being exploited in cryptojacking attacks. The flaw is a deserialization remote command execution zero-day vulnerability that affects the Oracle WebLogic wls9_async and wls–wsat components. The […]

Pierluigi Paganini June 08, 2019
Hunting the ICEFOG APT group after years of silence

A security researcher found new evidence of activities conducted by the ICEFOG APT group, also tracked by the experts as Fucobha. Chi-en (Ashley) Shen, a senior security researcher at FireEye, collected evidence that demonstrates that China-linked APT group ICEFOG (aka Fucobha) is still active. The activities of the APT group were first uncovered by Kaspersky […]

Pierluigi Paganini June 07, 2019
New GoldBrute Botnet is attempting to infect 1.5 Million RDP Servers

A new botnet tracked as GoldBrute is scanning the web for Windows machines with Remote Desktop Protocol (RDP) connection enabled. A new botnet tracked as GoldBrute has appeared in the threat landscape, it is scanning the web for Windows machines with Remote Desktop Protocol (RDP) connection enabled. The botnet is currently targeting over 1.5 million […]

Pierluigi Paganini June 06, 2019
Platinum APT and leverages steganography to hide C2 communications

The Platinum cyber espionage group uses steganographic technique to hide communications with the Command and Control Servers  (C&C). Experts from Kaspersky have linked the Platinum APT group with cyber attacks involving an elaborate, and new steganographic technique used to hide communications with C2 servers. The APT group was discovered by Microsoft in 2016, it targeted organizations […]

Pierluigi Paganini June 05, 2019
BlackSquid malware uses multiple exploits to drop cryptocurrency miners

A new piece of malware appeared in the threat landscape, dubbed BlackSquid it targets web servers with several exploits to deliver cryptocurrency miners. Security experts at Trend Micro have discovered a new Monero cryptomining miner, dubbed BlackSquid, that is targeting web servers, network drives, and removable drives. The new piece of malware leverages many exploits […]