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Threat Group Cards: A Threat Actor Encyclopedia

Permanent link Tool: HELLOKITTY

NamesHELLOKITTY
HelloKitty
KittyCrypt
CategoryMalware
TypeRansomware, Big Game Hunting
Description(FireEye) HELLOKITTY ransomware—used to target Polish video game developer CD Projekt Red—is reportedly built from DEATHRANSOM.
HELLOKITTY is named after a mutex named ‘HELLOKITTYMutex,’ used when the malware executable is launched
Information<https://www.fireeye.com/blog/threat-research/2021/04/unc2447-sombrat-and-fivehands-ransomware-sophisticated-financial-threat.html>
<https://www.bleepingcomputer.com/news/security/HELLOKITTY-ransomware-behind-cd-projekt-red-cyberattack-data-theft/>
<https://www.bleepingcomputer.com/news/security/hellokitty-ransomware-is-targeting-vulnerable-sonicwall-devices/>
<https://www.ic3.gov/Media/News/2021/211029.pdf>
<https://www.bleepingcomputer.com/news/security/hellokitty-ransomware-source-code-leaked-on-hacking-forum/>
<https://blog.barracuda.com/2024/04/24/hellokitty--hellogookie--hello--lockbit>
MITRE ATT&CK<https://attack.mitre.org/software/S0617/>
Malpedia<https://malpedia.caad.fkie.fraunhofer.de/details/win.hellokitty>
<https://malpedia.caad.fkie.fraunhofer.de/details/elf.hellokitty>
Playbook<https://pan-unit42.github.io/playbook_viewer/?pb=hellokitty-ransomware>

Last change to this tool card: 18 June 2024

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All groups using tool HELLOKITTY

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APT groups

 UNC2447[Unknown]2020 

1 group listed (1 APT, 0 other, 0 unknown)

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