China: Rast ransomware gang aiming at domestic government and enterprises


From December 2023 to the present, QiAnXin Threat Intelligence Center observed that a ransomware written in rust language is very active on the Chinese Internet, and a large number of machines in China have been ransomed, with up to more than 20 victimized units only in the terminals of government and enterprises, which the researchers call Rast ransomware.

After a long time of tracking, QiAnXin Threat Intelligence Center have captured three versions of Rast ransomware, and the versions are still iterating. rast ransomware has a very special logic: after the ransomware is completed, it will upload the machine name and unique identifier of the local machine to the remote mysql database. Through reverse analysis the research team got the mysql database account password and statistics of victims in the database, and found that in just ten months more than 6,800 terminals were controlled.

Read more…
Source: QiAnXin Threat Intelligence Center 

Sign up for our Newsletter


Related:

  • In-Depth Analysis of an Obfuscated Web Shell Script

    July 26, 2025

    This analysis is a follow-up to the investigation titled ‘Intrusion into Middle East Critical National Infrastructure’, conducted by the FortiGuard Incident Response Team (FGIR), which investigated a long-term cyber intrusion targeting critical national infrastructure (CNI) in the Middle East. The report revealed that threat actors had installed numerous web shell servers on the compromised system. In ...

  • Allianz Life says ‘majority’ of customers’ personal data stolen in cyberattack

    July 26, 2025

    U.S. insurance giant Allianz Life has confirmed to TechCrunch that hackers stole the personal information of the “majority” of its customers, financial professionals, and employees during a mid-July data breach. When reached by TechCrunch, Allianz Life spokesperson Brett Weinberg confirmed the breach. “On July 16, 2025, a malicious threat actor gained access to a third-party, cloud-based ...

  • Dating safety app Tea breached, exposing 72,000 user images

    July 26, 2025

    Tea, an app that allows women to post anonymous comments about men they’ve supposedly dated, announced Friday that it has suffered a data breach, with hackers gaining access to 72,000 images. That number includes 13,000 selfies and photo IDs submitted for account verification, as well as 59,000 images from posts, comments, and direct messages, the company ...

  • Muddled Libra Threat Assessment: Further-Reaching, Faster, More Impactful

    July 25, 2025

    Unit 42 has tracked and responded to several waves of intrusion operations conducted by the cybercrime group we track as Muddled Libra (aka Scattered Spider, UNC3944) across different sectors in recent months. This article contains observations on Muddled Libra thus far in 2025 based on Unit 42 incident response insights. Unit 42 researchers share defensive recommendations ...

  • ToolShell: a story of five vulnerabilities in Microsoft SharePoint

    July 25, 2025

    On July 19–20, 2025, various security companies and national CERTs published alerts about active exploitation of on-premise SharePoint servers. According to the reports, observed attacks did not require authentication, allowed attackers to gain full control over the infected servers, and were performed using an exploit chain of two vulnerabilities: CVE-2025-49704 and CVE-2025-49706, publicly named “ToolShell”. Additionally, ...

  • Mitel Releases Security Advisories for MiVoice MX-One and MiCollab

    July 24, 2025

    Mitel has released security advisories to address vulnerabilities in Mitel MiVoice MX-ONE and MiCollab, which are cloud-based platforms that help manage business communications. The critical vulnerability, which has no CVE identifier at the time of publishing this Cyber Alert, affects Mitel MiVoice MX-One and is an authentication bypass vulnerability with a CVSSv3 score of 9.4. Successful ...