HelloKitty | Threat Level: high | Type: Ransomware

Cryptographic Identifiers

SHA256a022e86b2bb3ed6b4a8676be8b1688397b6e15c693e69c5093d8eb04396d2905
MD5a169a146571b908a412ba8482adee8f1
File Typeexe
Size473.0 KB
First Seen2025-04-10
File Namea022e86b2bb3ed6b4a8676be8b1688397b6e15c693e69c5093d8eb04396d2905
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: a022e86b2bb3ed6b4a8676be8b1688397b6e15c693e69c5093d8eb04396d2905
  • MD5: a169a146571b908a412ba8482adee8f1

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: a022e86b2bb3ed6b"
        threat_level = "high"
        first_seen = "2025-04-10"
    condition:
        hash.sha256(0, filesize) == "a022e86b2bb3ed6b4a8676be8b1688397b6e15c693e69c5093d8eb04396d2905"
}

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 a022e86b2bb3ed6b4a8676be8b1688397b6e15c693e69c5093d8eb04396d2905 # MD5 a169a146571b908a412ba8482adee8f1
TypeValueNote
sha256 a022e86b2bb3ed6b4a8676be8b1688397b6e15c693e69c5093d8eb04396d2905 Sample:HelloKitty
md5 a169a146571b908a412ba8482adee8f1 Sample:HelloKitty
Tags
hellokittyransomwaremalwarehighsha256hash-analizi