HelloKitty | Threat Level: high | Type: Ransomware

Cryptographic Identifiers

SHA2567be901c5f7ffeb8f99e4f5813c259d0227335680380ed06df03fb836a041cb06
MD5a64d79eba40229ae9aaebbd73938b985
File Typeexe
Size247.5 KB
First Seen2025-04-10
File Name7be901c5f7ffeb8f99e4f5813c259d0227335680380ed06df03fb836a041cb06
Tagsexe, HelloKitty, Ransomware

Malware Family: HelloKitty

HelloKitty, CD Projekt Red'e saldırdı.

TypeRansomware
Programming LanguageC++
Target PlatformWindows/Linux
C2 Protocol
PurposeOyun şirketi saldırısı
First Seen Year2020
AliasesFiveHands

Threat Indicators (IOC)

  • SHA256: 7be901c5f7ffeb8f99e4f5813c259d0227335680380ed06df03fb836a041cb06
  • MD5: a64d79eba40229ae9aaebbd73938b985

You can verify all hash values of this sample on VirusTotal.

System Cleanup Guide

  1. Sistemi ağdan DERHAL ayırın — diğer cihazlara yayılmayı durdurun
  2. Do not pay the ransom — there is no guarantee your files will be restored
  3. Quarantine the affected drives
  4. Kullanılan fidye yazılımı ailesini belirleyin (nomoreransom.org)
  5. Try available decryptor tools (the NoMoreRansom project)
  6. Report the incident to the authorities (cybercrime unit)
  7. Temiz bir yedekten kurtarın; yedeğiniz yoksa sürücüyü saklayın

YARA Rule Hints

rule HelloKitty_SHA256 {
    meta:
        description = "HelloKitty sample: 7be901c5f7ffeb8f"
        threat_level = "high"
        first_seen = "2025-04-10"
    condition:
        hash.sha256(0, filesize) == "7be901c5f7ffeb8f99e4f5813c259d0227335680380ed06df03fb836a041cb06"
}

HelloKitty — Malware Profile

HelloKitty (DeathRansom/FiveHands) RaaS. Tor .onion C2. WMI Win32_ShadowCopy silme. VMware ESXi hedefi. CD Projekt Red.

Malware Type
Ransomware
Programming Language
C++
C2 Protocol
Target Systems
Windows/Linux
Also Known As (AKA)
FiveHands

Capabilities & Behavior

Dosya Şifreleme (AES/RSA)
Gölge Kopya Silme
Yedek Kaldırma
Fidye Notu Oluşturma
Kalıcılık Sağlama
Ağ Paylaşımı Şifreleme
Anti-Analiz Teknikleri
Çift Gasp (Data Leak)

IOC List (2 indicators)

IOC — HelloKitty
# SHA256 7be901c5f7ffeb8f99e4f5813c259d0227335680380ed06df03fb836a041cb06 # MD5 a64d79eba40229ae9aaebbd73938b985
TypeValueNote
sha256 7be901c5f7ffeb8f99e4f5813c259d0227335680380ed06df03fb836a041cb06 Sample:HelloKitty
md5 a64d79eba40229ae9aaebbd73938b985 Sample:HelloKitty
Tags
hellokittyransomwaremalwarehighsha256hash-analizi