HelloKitty | Threat Level: high | Type: Ransomware

Cryptographic Identifiers

SHA2563ae7bedf236d4e53a33f3a3e1e80eae2d93e91b1988da2f7fcb8fde5dcc3a0e9
MD5af568e8a6060812f040f0cb0fd6f5a7b
File Typeexe
Size155.5 KB
First Seen2025-04-10
File Name3ae7bedf236d4e53a33f3a3e1e80eae2d93e91b1988da2f7fcb8fde5dcc3a0e9
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: 3ae7bedf236d4e53a33f3a3e1e80eae2d93e91b1988da2f7fcb8fde5dcc3a0e9
  • MD5: af568e8a6060812f040f0cb0fd6f5a7b

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: 3ae7bedf236d4e53"
        threat_level = "high"
        first_seen = "2025-04-10"
    condition:
        hash.sha256(0, filesize) == "3ae7bedf236d4e53a33f3a3e1e80eae2d93e91b1988da2f7fcb8fde5dcc3a0e9"
}

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 3ae7bedf236d4e53a33f3a3e1e80eae2d93e91b1988da2f7fcb8fde5dcc3a0e9 # MD5 af568e8a6060812f040f0cb0fd6f5a7b
TypeValueNote
sha256 3ae7bedf236d4e53a33f3a3e1e80eae2d93e91b1988da2f7fcb8fde5dcc3a0e9 Sample:HelloKitty
md5 af568e8a6060812f040f0cb0fd6f5a7b Sample:HelloKitty
Tags
hellokittyransomwaremalwarehighsha256hash-analizi