GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2561b48e0202b7bccd978547bf2708613120350458c155c66fe7a4a2291f092a7a3
MD54746362f0c4698a5c52c9f6d71f48163
File Typeexe
Size73.5 KB
First Seen2022-08-30
File Name1b48e0202b7bccd978547bf2708613120350458c155c66fe7a4a2291f092a7a3
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: 1b48e0202b7bccd978547bf2708613120350458c155c66fe7a4a2291f092a7a3
  • MD5: 4746362f0c4698a5c52c9f6d71f48163

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: 1b48e0202b7bccd9"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "1b48e0202b7bccd978547bf2708613120350458c155c66fe7a4a2291f092a7a3"
}

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 1b48e0202b7bccd978547bf2708613120350458c155c66fe7a4a2291f092a7a3 # MD5 4746362f0c4698a5c52c9f6d71f48163
TypeValueNote
sha256 1b48e0202b7bccd978547bf2708613120350458c155c66fe7a4a2291f092a7a3 Sample:GandCrab
md5 4746362f0c4698a5c52c9f6d71f48163 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi