Ransomware Group: SILENT

VICTIM NAME: Advanced Simulation Technology inc[.] (ASTi)

NOTE: No files or stolen information are [exfiltrated/downloaded/taken/hosted/seen/reposted/disclosed] by RedPacket Security. Any legal issues relating to the content of the files should be directed at the attackers directly, not RedPacket Security. This blog is simply posting an editorial news post informing that a company has fallen victim to a ransomware attack. RedPacket Security is in no way affiliated or aligned with any ransomware threat actors or groups and will not host infringing content. The information on this page is fully automated and redacted whilst being scraped directly from the SILENT Onion Dark Web Tor Blog page.

AI Generated Summary of the Ransomware Leak Page

The ransomware leak pertains to Advanced Simulation Technology Inc., a company based in the United States operating within the technology sector. The attack date is recorded as April 25, 2025, coinciding closely with the discovery date of the breach. The incident involved the exfiltration of sensitive information from the victim’s systems. Details suggest the presence of infostealers, specifically RedLine malware, which points to targeted data extraction activities. The company’s approximate revenue is reported at 11.8 million USD, with a workforce of around 36 employees. The leak page includes a screenshot of compromised systems, indicating the attacker’s focus on showcasing their access and data exfiltration capability.

The leak page includes a claim URL linked to an onion site, which the attackers use to communicate or validate their claims further. It also highlights that at least one user account was involved in the breach, and the attack occurred within the company’s operational infrastructure. The incident appears linked to a group known as “silent,” which is associated with targeted technological attacks. The public-facing leak indicates that data was leaked or may be available for download, although specific files are not detailed. The presence of screenshots and technical information underscores the importance of strict security measures for organizations within the industry to prevent similar breaches in the future.