Exploring a New KimJongRAT Stealer Variant and Its PowerShell Implementation


This article provides a comprehensive analysis of two new variants of the KimJongRAT stealer.

Palo Alto Unit 42 combine new research findings with existing knowledge to provide a comprehensive resource for understanding and combating these new KimJongRAT variants. The KimJongRAT stealer was first described in 2013 by the Malware.lu CERT. Palo Alto researchers documented another variant of this family in 2019. One of the new variants uses a Portable Executable (PE) file and the other uses a PowerShell implementation. The PE and PowerShell variants are both initiated by clicking a Windows shortcut (LNK) file that downloads a dropper file from an attacker-controlled content delivery network (CDN) account.

Read more…
Source: Palo Alto Unit 42


Sign up for our Newsletter
The latest news and insights delivered right to your inbox.


Related:

  • US banks scramble to assess data theft after hackers breach financial tech firm

    November 24, 2025

    Several U.S. banking giants and mortgage lenders are reportedly scrambling to assess how much of their customers’ data was stolen during a cyberattack on a New York financial technology company earlier this month. SitusAMC, which provides technology for over a thousand commercial and real estate financiers, confirmed in a statement over the weekend that it had ...

  • From Extortion to E-commerce: How Ransomware Groups Turn Breaches into Bidding Wars

    November 24, 2025

    Ransomware has evolved from simple digital extortion into a structured, profit-driven criminal enterprise. Over time, it has led to the development of a complex ecosystem where stolen data is not only leveraged for ransom, but also sold to the highest bidder. This trend first gained traction in 2020 when the Pinchy Spider group, better known as ...

  • CISA orders feds to patch Oracle Identity Manager zero-day after signs of abuse

    November 24, 2025

    CISA has ordered US federal agencies to patch against an actively exploited Oracle Identity Manager (OIM) flaw within three weeks – a scramble made more urgent by evidence that attackers may have been abusing the bug months before a fix was released. The flaw, tracked as CVE-2025-61757 and now sitting in CISA’s Known Exploited Vulnerabilities catalog, ...

  • CrowdStrike fires ‘suspicious insider’ who passed information to hackers

    November 21, 2025

    Cybersecurity giant CrowdStrike has confirmed firing a “suspicious insider” last month who allegedly fed information about the company to a notorious hacking group. A hacking collective known as Scattered Lapsus$ Hunters published screenshots late Thursday and Friday morning in a public Telegram channel that allegedly showed insider access to CrowdStrike systems. The screenshots, which TechCrunch has ...

  • WhatsApp security flaw lets experts scrape 3.5 billion user numbers

    November 21, 2025

    WhatsApp users may need to take extra steps to protect their account information following a potentially concerning discovery. A study by researchers at the University of Vienna revealed the app’s contact-discovery system enabled the collection of extensive WhatsApp user data at an unprecedented scale due to insufficient rate-limiting across global endpoints. The researchers were able to ...

  • Logitech Confirms Data Breach After Cl0p, Linked to Oracle E-Business Suite Exploits, Takes Responsibility

    November 20, 2025

    Hardware and software solutions company Logitech has disclosed a data breach that exposed employee, customer, and supplier information. “Logitech International S.A. (“Logitech”) recently experienced a cybersecurity incident relating to the exfiltration of data,” the company stated. Read more… Source: CPO Magazine News Sign up for the Cyber Security Review Newsletter The latest cyber security news and insights delivered right to ...