HelloKitty | Threat Level: high | Type: Ransomware

Cryptographic Identifiers

SHA2569de32eb152480c5acd6683b4471ebb10fd5b10af638ef571eb3813330fb25cf0
MD57ffaaaef5bcaf94756352b1fc866ef3d
File Typeexe
Size261.0 KB
First Seen2025-04-10
File Name9de32eb152480c5acd6683b4471ebb10fd5b10af638ef571eb3813330fb25cf0
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: 9de32eb152480c5acd6683b4471ebb10fd5b10af638ef571eb3813330fb25cf0
  • MD5: 7ffaaaef5bcaf94756352b1fc866ef3d

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: 9de32eb152480c5a"
        threat_level = "high"
        first_seen = "2025-04-10"
    condition:
        hash.sha256(0, filesize) == "9de32eb152480c5acd6683b4471ebb10fd5b10af638ef571eb3813330fb25cf0"
}

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 9de32eb152480c5acd6683b4471ebb10fd5b10af638ef571eb3813330fb25cf0 # MD5 7ffaaaef5bcaf94756352b1fc866ef3d
TypeValueNote
sha256 9de32eb152480c5acd6683b4471ebb10fd5b10af638ef571eb3813330fb25cf0 Sample:HelloKitty
md5 7ffaaaef5bcaf94756352b1fc866ef3d Sample:HelloKitty
Tags
hellokittyransomwaremalwarehighsha256hash-analizi