: The campaign primarily targeted governmental and civilian organizations in Ukraine as part of the Russo-Ukrainian conflict.
: Attackers used compromised email accounts to send malicious archives. These attacks utilized homoglyph attacks , where visually similar characters are used to deceive users into opening malicious files.
: NIST notes that this specific vulnerability can bypass the "Mark-of-the-Web" protection mechanism, which typically warns users when opening files downloaded from the internet. 0NB.7z
While there is no single "official" blog post titled exactly "0NB.7z," recent threat intelligence reports and security blog posts from early 2025 detail a critical exploitation involving archives and a zero-day vulnerability. Security Vulnerability: CVE-2025-0411
If you are looking for information on a specific file named 0NB.7z that you have encountered, it is highly recommended to and scan it with updated security software, as .7z files are a common delivery method for the SmokeLoader malware mentioned in recent security briefs. : The campaign primarily targeted governmental and civilian
Other security-focused blog posts have explored the broader risks associated with archiving tools:
: The vulnerability was used to deploy the SmokeLoader malware, which functions as a loader for further cyberespionage tools. : NIST notes that this specific vulnerability can
: Analysis from ThreatLocker highlights that attackers prefer tools like 7-Zip because they are often pre-approved in corporate environments, making it difficult for standard antivirus software to flag their use as malicious.