GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2569e69f48f25521069a71a0fa05b2911ce72013fc537d7fb27d5885310db78947c
MD504140f1a4ee25904a2501d8105e33655
File Typeexe
Size69.5 KB
First Seen2022-08-30
File Name9e69f48f25521069a71a0fa05b2911ce72013fc537d7fb27d5885310db78947c
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: 9e69f48f25521069a71a0fa05b2911ce72013fc537d7fb27d5885310db78947c
  • MD5: 04140f1a4ee25904a2501d8105e33655

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: 9e69f48f25521069"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "9e69f48f25521069a71a0fa05b2911ce72013fc537d7fb27d5885310db78947c"
}

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 9e69f48f25521069a71a0fa05b2911ce72013fc537d7fb27d5885310db78947c # MD5 04140f1a4ee25904a2501d8105e33655
TypeValueNote
sha256 9e69f48f25521069a71a0fa05b2911ce72013fc537d7fb27d5885310db78947c Sample:GandCrab
md5 04140f1a4ee25904a2501d8105e33655 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi