GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256589e188602c4a24c68bc095c1105894a5e97e1df6218eaead89b7ab9a4e88eac
MD5768f77e57ea0ebe6c13060b74653b32f
File Typeexe
Size233.0 KB
First Seen2025-03-16
File Namehello.bin.exe
Tagsexe, Gandcrab, trojan

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: 589e188602c4a24c68bc095c1105894a5e97e1df6218eaead89b7ab9a4e88eac
  • MD5: 768f77e57ea0ebe6c13060b74653b32f

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: 589e188602c4a24c"
        threat_level = "critical"
        first_seen = "2025-03-16"
    condition:
        hash.sha256(0, filesize) == "589e188602c4a24c68bc095c1105894a5e97e1df6218eaead89b7ab9a4e88eac"
}

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 589e188602c4a24c68bc095c1105894a5e97e1df6218eaead89b7ab9a4e88eac # MD5 768f77e57ea0ebe6c13060b74653b32f
TypeValueNote
sha256 589e188602c4a24c68bc095c1105894a5e97e1df6218eaead89b7ab9a4e88eac Sample:GandCrab
md5 768f77e57ea0ebe6c13060b74653b32f Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi