GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256444cf2d84382740fdc4d9ed4c0ed952c384aa4fd538b9deaa3d9b8c61c3b7b67
MD5d3fb4d6181c8e99079a9360ef7c680e3
File Typeexe
Size69.5 KB
First Seen2022-08-30
File Name444cf2d84382740fdc4d9ed4c0ed952c384aa4fd538b9deaa3d9b8c61c3b7b67
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

TypeRansomware
Programming LanguageC
Target PlatformWindows
C2 ProtocolHTTP
PurposeMaaS ransomware
First Seen Year2018

Threat Indicators (IOC)

  • SHA256: 444cf2d84382740fdc4d9ed4c0ed952c384aa4fd538b9deaa3d9b8c61c3b7b67
  • MD5: d3fb4d6181c8e99079a9360ef7c680e3

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 GandCrab_SHA256 {
    meta:
        description = "GandCrab sample: 444cf2d84382740f"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "444cf2d84382740fdc4d9ed4c0ed952c384aa4fd538b9deaa3d9b8c61c3b7b67"
}

GandCrab — Malware Profile

GandCrab, 2018-2019 aktif RaaS ailesidir. 1.5 milyar USD hasar. RSA+Salsa20. Haziran 2019 kapandi. REvil oncusu.

Malware Type
Ransomware
Programming Language
C
C2 Protocol
HTTP
Target Systems
Windows

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 — GandCrab
# SHA256 444cf2d84382740fdc4d9ed4c0ed952c384aa4fd538b9deaa3d9b8c61c3b7b67 # MD5 d3fb4d6181c8e99079a9360ef7c680e3
TypeValueNote
sha256 444cf2d84382740fdc4d9ed4c0ed952c384aa4fd538b9deaa3d9b8c61c3b7b67 Sample:GandCrab
md5 d3fb4d6181c8e99079a9360ef7c680e3 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi