ClearSky Cyber Security and SentinelLabs have discovered a new wave of Russian information warfare campaign named Doppelgänger NG. “Doppelgänger” (meaning spirit double, an exact but usually invisible replica) is a global information warfare campaign publishing false information on hundreds of fake websites and social media channels.Our research revealed that “Doppelgänger NG” is again fully operational […]
Read More“Homeland Justice” targets Albanian organizations with “No-justice” wiper
This blog post will elaborate on “Homeland justice” group’s background and provide an in-depth analysis of the tools used in the current attack, including reverse engineering of the NACL executable – dubbed “No-Justice Wiper” Read the Full report: No-Justice Wiper
Read MoreFata Morgana: Watering hole attack on shipping and logistics websites
ClearSky Cyber Security has detected a watering hole attack on at least eight Israeli websites. The attack is highly likely to be orchestrated by a nation-state actor from Iran, with a low confidence specific attribution to Tortoiseshell (also called TA456 or Imperial Kitten). The Infected sites collect preliminary user information through a script. We have […]
Read MoreLyceum suicide drone
ClearSky discovered a new malware associated with the Iranian SiameseKitten (Lyceum) group withmedium-high confidence.The file is downloaded from a domain registered on June 6th, and it communicates with a previously unknown command and control server whose IP address is adjacent to that of the domain. This indicates an attacker-controlled at least two IP’s on the […]
Read MoreEvilNominatus Ransomware
As part of our monitoring of malicious files in current use, we detected a malicious BAT file that was uploaded to VirusTotal from Iran. This file executes a ransomware that we associated with the EvilNominatus ransomware, initially exposed at the end of 2021. It seems that the ransomware’s developer is a young Iranian, who bragged […]
Read MoreNew Iranian Espionage Campaign By “Siamesekitten” – Lyceum
At the beginning of May 2021, we detected the first attack by Siamesekitten on an IT company in Israel. Siamesekitten (also named Lyceum/Hexane) is an Iranian APT group active in the Middle east and in Africa that is active in launching supply chain attacks. To this end Siamesekitten established a large infrastructure that enabled them […]
Read MoreAttributing CryptoCore Attacks Against Crypto Exchanges to LAZARUS (North Korea)
CryptoCore is an attack campaign against crypto-exchange companies that has been ongoing for three years and was discovered by ClearSky researchers. This cybercrime campaign is focused mainly on the theft of cryptocurrency wallets, and we estimate that the attackers have already made off with hundreds of millions of dollars. This campaign was also reported by […]
Read MoreCONTI Ransomware – Negotiation and Bitcoin Tracking
Originated by the ‘Wizard Spider’ Russian hacking group, CONTI ransomware is an evolution of one of the group’s most successful ransomware – Ryuk. CONTI is a more accessible version of Ryuk, built for distribution by affiliates in a ‘Ransomware as a service’ model. CONTI ransomware was first spotted by cybersecurity teams in May 2020 and […]
Read More‘Lebanese Cedar’ APT
In early 2020, suspicious network activities and hacking tools were found in a range of companies. Comprehensive forensic research of the infected systems revealed a strong connection to a threat actor we call ‘Lebanese Cedar’, ‘Lebanese Cedar’ APT has been operating since 2012. These operations were first discovered by Check-Point researchers and Kaspersky labs in 2015. […]
Read MoreOperation ‘Kremlin’
Introduction ClearSky researchers identified a malicious “.docx” file that was uploaded to VirusTotal from Russia in mid-December. The file contains an obfuscated URL to a remote template which contains malicious VBA, eventually leading to the execution of VBS on the infected machine. The attack’s purpose is to stealthily exfiltrate information without running any external executables […]
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