HelloKitty | Threat Level: high | Type: Ransomware

Cryptographic Identifiers

SHA256192acfe0d55eef4c49cb7c803e7130d2f5ecd6bdee446f1c065ea6dee489ea6c
MD516153e9582cfe94a06fc670a5d851ed9
File Typeexe
Size477.5 KB
First Seen2025-04-10
File Name192acfe0d55eef4c49cb7c803e7130d2f5ecd6bdee446f1c065ea6dee489ea6c
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: 192acfe0d55eef4c49cb7c803e7130d2f5ecd6bdee446f1c065ea6dee489ea6c
  • MD5: 16153e9582cfe94a06fc670a5d851ed9

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: 192acfe0d55eef4c"
        threat_level = "high"
        first_seen = "2025-04-10"
    condition:
        hash.sha256(0, filesize) == "192acfe0d55eef4c49cb7c803e7130d2f5ecd6bdee446f1c065ea6dee489ea6c"
}

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 192acfe0d55eef4c49cb7c803e7130d2f5ecd6bdee446f1c065ea6dee489ea6c # MD5 16153e9582cfe94a06fc670a5d851ed9
TypeValueNote
sha256 192acfe0d55eef4c49cb7c803e7130d2f5ecd6bdee446f1c065ea6dee489ea6c Sample:HelloKitty
md5 16153e9582cfe94a06fc670a5d851ed9 Sample:HelloKitty
Tags
hellokittyransomwaremalwarehighsha256hash-analizi