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:

  • Using MITRE ATT&CK to Identify an APT Attack

    December 15, 2020

    Security teams and researchers depend on publicly documented analyses of tools, routines, and behaviors to update themselves on the latest findings in the cybersecurity landscape. Published information serves as a reference for the known tactics, techniques, and procedures (TTPs) to install defenses against advance persistent threats (APTs) and prevent attacks that are likely to occur ...

  • Threat Brief: SolarStorm and SUNBURST Customer Coverage

    December 14, 2020

    On Sunday, Dec. 13, FireEye released information related to a breach and data exfiltration originating from an unknown actor FireEye is calling UNC2452. Unit 42 tracks this and related activity as the group named SolarStorm, and has published an ATOM containing the observed techniques, IOCs and relevant courses of action in the Unit 42 ATOM ...

  • PyMICROPSIA: New Information-Stealing Trojan from AridViper

    December 14, 2020

    Unit 42 researchers have been tracking the threat group AridViper, which has been targeting the Middle Eastern region. As part of this research, a new information-stealing Trojan with relations to the MICROPSIA malware family has been identified, showing that the actor maintains a very active development profile, creating new implants that seek to bypass the ...

  • Highly Evasive Attacker Leverages SolarWinds Supply Chain to Compromise Multiple Global Victims With SUNBURST Backdoor

    December 13, 2020

    Executive Summary We have discovered a global intrusion campaign. We are tracking the actors behind this campaign as UNC2452. FireEye discovered a supply chain attack trojanizing SolarWinds Orion business software updates in order to distribute malware we call SUNBURST. The attacker’s post compromise activity leverages multiple techniques to evade detection and obscure their activity, but these efforts also ...

  • Suspected Russian hackers spied on U.S. Treasury emails – sources

    December 13, 2020

    Hackers believed to be working for Russia have been monitoring internal email traffic at the U.S. Treasury and Commerce departments, according to people familiar with the matter, adding they feared the hacks uncovered so far may be the tip of the iceberg. The hack is so serious it led to a National Security Council meeting at ...

  • Intel’s Habana Labs hacked by Pay2Key ransomware, data stolen

    December 13, 2020

    Intel-owned AI processor developer Habana Labs has suffered a cyberattack where data was stolen and leaked by threat actors. Habana Labs is an Israeli developer of AI processors that accelerate artificial intelligence workloads in the datacenter. Intel purchased the company in December 2019 for approximately $2 billion. Today, the Pay2Key ransomware operation leaked data allegedly stolen from ...