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:

  • Buer, a new loader emerges in the underground marketplace

    December 4, 2019

    For several years, Proofpoint researchers have been tracking the use of first-stage downloaders, which are used by threat actors to install other forms of malware during and after their malicious email campaigns. In particular, over the last two years, these downloaders have become increasingly robust, providing advanced profiling and targeting capabilities. More importantly, downloaders and other ...

  • FBI warns about snoopy smart TVs spying on you

    December 3, 2019

    She laughed. I laughed. The TV laughed. I shot the TV. “Blasted Decepticons!” That’s how a popular meme went after the Transformer movies hit it big. Today, it’s not so funny. A recent FBI report warned smart TV users that hackers can also take control of your unsecured TV. “At the low end of the risk spectrum, they can ...

  • Android: New StrandHogg vulnerability is being exploited in the wild

    December 2, 2019

    Security researchers from Promon, a Norwegian firm specialized in in-app security protections, said they identified a bug in the Android operating system that lets malicious apps hijack legitimate app, and perform malicious operations on their behalf. In a comprehensive report published today, the research team said the vulnerability can be used to trick users into granting intrusive permissions ...

  • Imminent Monitor – a RAT Down Under

    December 2, 2019

    The availability of “commodity malware” – malware offered for sale – empowers a large population of criminals, who make up for their lack of technical sophistication with an abundance of malicious intent. Rather than looking just at the malware samples and functionality themselves, we’ve taken an interest in the commodity malware ecosystem; especially into the malware ...

  • Mobile Cyberespionage Campaign Distributed Through CallerSpy Mounts Initial Phase of a Targeted Attack

    December 2, 2019

    Trend Micro found a new spyware family disguised as chat apps on a phishing website. We believe that the apps, which exhibit many cyberespionage behaviors, are initially used for a targeted attack campaign. We first came across the threat in May on the site http://goooglepress/, which was advertising a chat app called “Chatrious.” Users can ...

  • Meet PyXie: A Nefarious New Python RAT

    December 2, 2019

    BlackBerry Cylance researchers have recently discovered a previously unnamed Python RAT we’re calling PyXie. PyXie has been observed in the wild since at least 2018 without much attention from the cybersecurity industry. PyXie has been deployed in an ongoing campaign that targets a wide range of industries. It has been seen in conjunction with Cobalt Strike ...