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:

  • CISA and Partners Release Update to Malware Analysis Report BRICKSTORM Backdoor

    December 19, 2025

    Today, the Cybersecurity and Infrastructure Security Agency (CISA), National Security Agency, and Canadian Centre for Cyber Security released an update to the Malware Analysis Report BRICKSTORM Backdoor with indicators of compromise (IOCs) and detection signatures for additional BRICKSTORM samples. This update provides information on additional samples, including Rust-based samples. These samples demonstrate advanced persistence and defense ...

  • UK Foreign Office was victim of cyberattack

    December 19, 2025

    The UK Foreign Office was hacked in October, a minister has admitted, raising fears that thousands of confidential documents and data may have been compromised. While ministers are “pretty confident” that visa applicants’ details have not been accessed, they have admitted that they are not confident about the identity of the hacker. Sources told The Sun ...

  • FBI: Senior U.S. Officials Continue to be Impersonated in Malicious Messaging Campaign

    December 19, 2025

    This is an update to Public Service Announcement I-051525-PSA, released May 15, 2025, which can be found here. Activity dating back to 2023 reveals malicious actors have impersonated senior U.S. state government, White House, and Cabinet level officials, as well as members of Congress to target individuals, including officials’ family members and personal acquaintances. If ...

  • Police arrest suspect over Microsoft 365 cyber attack

    December 19, 2025

    The Nigeria Police Force National Cybercrime Centre (NPF-NCCC) has apprehended a suspected cyber fraudster linked to coordinated attacks on Microsoft 365 email platforms used by corporate organisations. The arrest followed an intelligence-led investigation triggered by credible information from Microsoft Corporation in the United States, conveyed through the Federal Bureau of Investigation (FBI). The intelligence exposed the ...

  • UK: NHS GP software supplier hit by cyber attack

    December 19, 2025

    DXS International which provides healthcare technology for the NHS has disclosed a cyber attack, which has led to data being stolen. The UK-based company provides software that helps to reduce costs for doctors and primary care physicians and is used by around 2,000 GPs which oversee the care of around 17 million patients. In a filing ...

  • Denmark blames Russia for cyberattacks on water utility and local government websites

    December 18, 2025

    The Danish government has accused Russia of being behind two “destructive and disruptive” cyber-attacks in what it describes as “very clear evidence” of a hybrid war. The Danish Defence Intelligence Service (DDIS) announced on Thursday that Moscow was behind a cyber-attack on a Danish water utility in 2024 and a series of distributed denial-of-service (DDoS) attacks ...