HelloKitty | Threat Level: high | Type: Ransomware

Cryptographic Identifiers

SHA2568f3db63f70fad912a3d5994e80ad9a6d1db6c38d119b38bc04890dfba4c4a2b2
MD51cd2d73098671253243a8457355b8820
File Typeelf
Size56.2 KB
First Seen2021-08-14
File Name8f3db63f70fad912a3d5994e80ad9a6d1db6c38d119b38bc04890dfba4c4a2b2.bin
Tagself, 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: 8f3db63f70fad912a3d5994e80ad9a6d1db6c38d119b38bc04890dfba4c4a2b2
  • MD5: 1cd2d73098671253243a8457355b8820

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: 8f3db63f70fad912"
        threat_level = "high"
        first_seen = "2021-08-14"
    condition:
        hash.sha256(0, filesize) == "8f3db63f70fad912a3d5994e80ad9a6d1db6c38d119b38bc04890dfba4c4a2b2"
}

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 8f3db63f70fad912a3d5994e80ad9a6d1db6c38d119b38bc04890dfba4c4a2b2 # MD5 1cd2d73098671253243a8457355b8820
TypeValueNote
sha256 8f3db63f70fad912a3d5994e80ad9a6d1db6c38d119b38bc04890dfba4c4a2b2 Sample:HelloKitty
md5 1cd2d73098671253243a8457355b8820 Sample:HelloKitty
Tags
hellokittyransomwaremalwarehighsha256hash-analizi