HelloKitty | Threat Level: high | Type: Ransomware

Cryptographic Identifiers

SHA256faf379bd44211154301a1a370970a74978e718b80cc117ea5c9d79610b29ba0d
MD53426341929acfd5f963d75d209337802
File Typeexe
Size165.0 KB
First Seen2025-04-10
File Namefaf379bd44211154301a1a370970a74978e718b80cc117ea5c9d79610b29ba0d
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: faf379bd44211154301a1a370970a74978e718b80cc117ea5c9d79610b29ba0d
  • MD5: 3426341929acfd5f963d75d209337802

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: faf379bd44211154"
        threat_level = "high"
        first_seen = "2025-04-10"
    condition:
        hash.sha256(0, filesize) == "faf379bd44211154301a1a370970a74978e718b80cc117ea5c9d79610b29ba0d"
}

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 faf379bd44211154301a1a370970a74978e718b80cc117ea5c9d79610b29ba0d # MD5 3426341929acfd5f963d75d209337802
TypeValueNote
sha256 faf379bd44211154301a1a370970a74978e718b80cc117ea5c9d79610b29ba0d Sample:HelloKitty
md5 3426341929acfd5f963d75d209337802 Sample:HelloKitty
Tags
hellokittyransomwaremalwarehighsha256hash-analizi