HelloKitty | Threat Level: high | Type: Ransomware

Cryptographic Identifiers

SHA25602c6a36c893f52fd57de1b0b53a2fcd0569d4a64a96578382efa6c6f9dd28513
MD514f5905f9c03471d161d8d1c49e79149
File Typeexe
Size249.5 KB
First Seen2021-12-24
File Name02c6a36c893f52fd57de1b0b53a2fcd0569d4a64a96578382efa6c6f9dd28513.bin
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: 02c6a36c893f52fd57de1b0b53a2fcd0569d4a64a96578382efa6c6f9dd28513
  • MD5: 14f5905f9c03471d161d8d1c49e79149

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: 02c6a36c893f52fd"
        threat_level = "high"
        first_seen = "2021-12-24"
    condition:
        hash.sha256(0, filesize) == "02c6a36c893f52fd57de1b0b53a2fcd0569d4a64a96578382efa6c6f9dd28513"
}

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 02c6a36c893f52fd57de1b0b53a2fcd0569d4a64a96578382efa6c6f9dd28513 # MD5 14f5905f9c03471d161d8d1c49e79149
TypeValueNote
sha256 02c6a36c893f52fd57de1b0b53a2fcd0569d4a64a96578382efa6c6f9dd28513 Sample:HelloKitty
md5 14f5905f9c03471d161d8d1c49e79149 Sample:HelloKitty
Tags
hellokittyransomwaremalwarehighsha256hash-analizi