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:

  • Decoy Dog malware toolkit found after analyzing 70 billion DNS queries

    April 23, 2023

    A new enterprise-targeting malware toolkit called ‘Decoy Dog’ has been discovered after inspecting anomalous DNS traffic that is distinctive from regular internet activity. Decoy Dog helps threat actors evade standard detection methods through strategic domain aging and DNS query dribbling, aiming to establish a good reputation with security vendors before switching to facilitating cybercrime operations. Read more… Source: ...

  • X_Trader Supply Chain Attack Affects Critical Infrastructure Organizations in U.S. and Europe

    April 21, 2023

    The X_Trader software supply chain attack affected more organizations than 3CX. Initial investigation by Symantec’s Threat Hunter Team has, to date, found that among the victims are two critical infrastructure organizations in the energy sector, one in the U.S. and the other in Europe. In addition to this, two other organizations involved in financial trading ...

  • CISA Releases Malware Analysis Report on ICONICSTEALER

    April 20, 2023

    CISA has released a new Malware Analysis Report (MAR) on an infostealer known as ICONICSTEALER. This trojan has been identified as a variant of malware used in the supply chain attack against 3CX’s Desktop App. CISA recommends users and administrators to review the following resources for more information, and hunt for the listed indicators of compromise ...

  • Ransomware Attack Hits Marinette Marine Shipyard, Results in Short-Term Delay of Frigate, Freedom LCS Construction

    April 20, 2023

    The Wisconsin shipyard that builds the U.S. Navy’s Freedom-class Littoral Combat Ship and the Constellation-class guided-missile frigate suffered a ransomware attack last week that delayed production across the shipyard, USNI News has learned. Fincantieri Marinette Marine experienced the attack in the early morning hours of April 12, when large chunks of data on the shipyard’s network ...

  • Medusa ransomware crew brags about spreading Bing, Cortana source code

    April 20, 2023

    The Medusa ransomware gang has put online what it claims is a massive leak of internal Microsoft materials, including Bing and Cortana source code. “This leak is of more interest to programmers, since it contains the source codes of the following Bing products, Bing Maps and Cortana,” the crew wrote on its website, which was screenshotted ...

  • CISA and Partners Release Cybersecurity Best Practices for Smart Cities

    April 19, 2023

    Today, CISA, NSA, FBI, NCSC-UK, ACSC, CCCS and NCSC-NZ released a joint guide: Cybersecurity Best Practices for Smart Cities. Smart cities may create safer, more efficient, resilient communities through technological innovation and data-driven decision making. However, this opportunity also introduces potential vulnerabilities and weaknesses that—if exploited—could impact national security, economic security, public health and safety, and ...