The Cluster25 Blog
Cluster25 joins the VirusTotal community
March 16, 2023We are proud to announce that Cluster25 has joined the VirusTotal community, improving its website/domain scanning eng...
An infostealer comes to town: Dissecting a highly evasive malware targeting Italy
December 22, 2022Cluster25 researchers analyzed several campaigns (also publicly reported by CERT-AGID) that used phishing emails to sp...
Sanctioned deals: the Irano-Russian connection under Ankara's supervision. Analysis of the NPPD leak
November 7, 2022On October 22nd, during the usual OSInt monitoring, Cluster25 detected the Farsi speaking hacktivist TA known as Black...
In the footsteps of the Fancy Bear: PowerPoint mouse-over event abused to deliver Graphite implants
September 23, 2022Cluster25 researchers collected and analyzed a lure document used to implant a variant of Graphite malware, uniquely lin...
Erbium InfoStealer Enters the Scene: Characteristics and Origins
September 15, 2022On the 21st of July 2022 on a DWW (Deep/Dark Web) forum, a Russian speaking threat actor created an announcement about t...
LockBit 3.0: “Making the ransomware great again”
July 6, 2022LockBit is a major player in the ransomware scene and has contributed heavily for this cyber-crime model to become one o...
Cozy Smuggled Into the Box: APT29 Abusing Legitimate Software for Targeted Operations in Europe
May 13, 2022Cozy Bear (aka Nobelium, APT29, The Dukes) is a well-resourced, highly dedicated and organized cyberespionage group that...
The strange link between a destructive malware and a ransomware-gang linked custom loader: IsaacWiper vs Vatet
May 3, 2022NOTICE: After additional reviews, the team at Cluster25 has determined that the code commonality identified in the two a...
The Lotus Panda is Awake Again: Analysis of the Last Strike
April 29, 2022NAIKON is the name of an APT (Advanced Persistent Threat) which is believed to originate from China. The Naikon hacker g...
DPRK-NEXUS Adversary Targets South Korean Individuals in a New Chapter of Kitty Phishing Operations
April 11, 2022The research team at Cluster25 traced a recent activity that started in the first days of April 2022 from a DPRK-nexus t...