HelloKitty | Threat Level: high | Type: Ransomware

Cryptographic Identifiers

SHA256fa722d0667418d68c4935e1461010a8f730f02fa1f595ee68bd0768fd5d1f8bb
MD585cd7c6931b44a14f4899dfd0039e8b4
File Typeexe
Size157.0 KB
First Seen2021-02-09
File Namefa722d0667418d68c4935e1461010a8f730f02fa1f595ee68bd0768fd5d1f8bb
TagsHelloKitty, old, 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: fa722d0667418d68c4935e1461010a8f730f02fa1f595ee68bd0768fd5d1f8bb
  • MD5: 85cd7c6931b44a14f4899dfd0039e8b4

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: fa722d0667418d68"
        threat_level = "high"
        first_seen = "2021-02-09"
    condition:
        hash.sha256(0, filesize) == "fa722d0667418d68c4935e1461010a8f730f02fa1f595ee68bd0768fd5d1f8bb"
}

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 fa722d0667418d68c4935e1461010a8f730f02fa1f595ee68bd0768fd5d1f8bb # MD5 85cd7c6931b44a14f4899dfd0039e8b4
TypeValueNote
sha256 fa722d0667418d68c4935e1461010a8f730f02fa1f595ee68bd0768fd5d1f8bb Sample:HelloKitty
md5 85cd7c6931b44a14f4899dfd0039e8b4 Sample:HelloKitty
Tags
hellokittyransomwaremalwarehighsha256hash-analizi