GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256fab3119cb5f3af1aa2cf5bb8df31aa9a10b6c7e8fbbabf654697e83f671ebe0c
MD5151d6fcf9bb1e7820f7c9744c2faa839
File Typeexe
Size73.5 KB
First Seen2022-08-30
File Namefab3119cb5f3af1aa2cf5bb8df31aa9a10b6c7e8fbbabf654697e83f671ebe0c
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, en yaygın eski ransomware'dir.

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

Threat Indicators (IOC)

  • SHA256: fab3119cb5f3af1aa2cf5bb8df31aa9a10b6c7e8fbbabf654697e83f671ebe0c
  • MD5: 151d6fcf9bb1e7820f7c9744c2faa839

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: fab3119cb5f3af1a"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "fab3119cb5f3af1aa2cf5bb8df31aa9a10b6c7e8fbbabf654697e83f671ebe0c"
}

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 fab3119cb5f3af1aa2cf5bb8df31aa9a10b6c7e8fbbabf654697e83f671ebe0c # MD5 151d6fcf9bb1e7820f7c9744c2faa839
TypeValueNote
sha256 fab3119cb5f3af1aa2cf5bb8df31aa9a10b6c7e8fbbabf654697e83f671ebe0c Sample:GandCrab
md5 151d6fcf9bb1e7820f7c9744c2faa839 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi