HelloKitty | Threat Level: high | Type: Ransomware

Cryptographic Identifiers

SHA256e94064401b54c399d3f844fdf08f880cb8c5d74c34de9dc28733dd22dabba678
MD5c45f5895c255c5bb59b2aa4947412753
File Typeexe
Size249.5 KB
First Seen2025-04-10
File Namee94064401b54c399d3f844fdf08f880cb8c5d74c34de9dc28733dd22dabba678
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: e94064401b54c399d3f844fdf08f880cb8c5d74c34de9dc28733dd22dabba678
  • MD5: c45f5895c255c5bb59b2aa4947412753

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: e94064401b54c399"
        threat_level = "high"
        first_seen = "2025-04-10"
    condition:
        hash.sha256(0, filesize) == "e94064401b54c399d3f844fdf08f880cb8c5d74c34de9dc28733dd22dabba678"
}

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 e94064401b54c399d3f844fdf08f880cb8c5d74c34de9dc28733dd22dabba678 # MD5 c45f5895c255c5bb59b2aa4947412753
TypeValueNote
sha256 e94064401b54c399d3f844fdf08f880cb8c5d74c34de9dc28733dd22dabba678 Sample:HelloKitty
md5 c45f5895c255c5bb59b2aa4947412753 Sample:HelloKitty
Tags
hellokittyransomwaremalwarehighsha256hash-analizi