GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256d2c20ab1e54ccdc9e2700198f8f8089a517db68ac84fb3ae84e494bb3ea29f12
MD5e0d0838f64164434c81fc54c91318551
File Typeexe
Size16384.0 KB
First Seen2023-04-28
File Name2023-04-27_e0d0838f64164434c81fc54c91318551_gandcrab
TagsGandcrab

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: d2c20ab1e54ccdc9e2700198f8f8089a517db68ac84fb3ae84e494bb3ea29f12
  • MD5: e0d0838f64164434c81fc54c91318551

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: d2c20ab1e54ccdc9"
        threat_level = "critical"
        first_seen = "2023-04-28"
    condition:
        hash.sha256(0, filesize) == "d2c20ab1e54ccdc9e2700198f8f8089a517db68ac84fb3ae84e494bb3ea29f12"
}

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 d2c20ab1e54ccdc9e2700198f8f8089a517db68ac84fb3ae84e494bb3ea29f12 # MD5 e0d0838f64164434c81fc54c91318551
TypeValueNote
sha256 d2c20ab1e54ccdc9e2700198f8f8089a517db68ac84fb3ae84e494bb3ea29f12 Sample:GandCrab
md5 e0d0838f64164434c81fc54c91318551 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi