GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256fb10e795c0524ae59fe3f3c7e234c0f2a3650ea9a92e8774dc8225ede9e0bf70
MD52c0e47233b4fe591cd7f40d8cf4dc497
File Typeexe
Size73.5 KB
First Seen2024-01-15
File NameGBFDMZ.exe
Tagsexe, Gandcrab, mz

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: fb10e795c0524ae59fe3f3c7e234c0f2a3650ea9a92e8774dc8225ede9e0bf70
  • MD5: 2c0e47233b4fe591cd7f40d8cf4dc497

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: fb10e795c0524ae5"
        threat_level = "critical"
        first_seen = "2024-01-15"
    condition:
        hash.sha256(0, filesize) == "fb10e795c0524ae59fe3f3c7e234c0f2a3650ea9a92e8774dc8225ede9e0bf70"
}

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 fb10e795c0524ae59fe3f3c7e234c0f2a3650ea9a92e8774dc8225ede9e0bf70 # MD5 2c0e47233b4fe591cd7f40d8cf4dc497
TypeValueNote
sha256 fb10e795c0524ae59fe3f3c7e234c0f2a3650ea9a92e8774dc8225ede9e0bf70 Sample:GandCrab
md5 2c0e47233b4fe591cd7f40d8cf4dc497 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi