GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2567dbf5c226c252325dc0e94eadef321153fa49c2e9e0003233db2fb01154bd35e
MD51da43c68551241d2257069f9468f4cb4
File Typeexe
Size222.0 KB
First Seen2022-11-30
File Name7ceb5f6064233c706003034603ee6307ebbc9820
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: 7dbf5c226c252325dc0e94eadef321153fa49c2e9e0003233db2fb01154bd35e
  • MD5: 1da43c68551241d2257069f9468f4cb4

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: 7dbf5c226c252325"
        threat_level = "critical"
        first_seen = "2022-11-30"
    condition:
        hash.sha256(0, filesize) == "7dbf5c226c252325dc0e94eadef321153fa49c2e9e0003233db2fb01154bd35e"
}

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 7dbf5c226c252325dc0e94eadef321153fa49c2e9e0003233db2fb01154bd35e # MD5 1da43c68551241d2257069f9468f4cb4
TypeValueNote
sha256 7dbf5c226c252325dc0e94eadef321153fa49c2e9e0003233db2fb01154bd35e Sample:GandCrab
md5 1da43c68551241d2257069f9468f4cb4 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi