GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2568afc05da9d9a17bb27b20029f1612b62b944604161bbaf48dcb3a06fc604f5c5
MD589a5afaf8321ad030f19624bee738f3d
File Typeexe
Size73.5 KB
First Seen2022-08-30
File Name8afc05da9d9a17bb27b20029f1612b62b944604161bbaf48dcb3a06fc604f5c5
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: 8afc05da9d9a17bb27b20029f1612b62b944604161bbaf48dcb3a06fc604f5c5
  • MD5: 89a5afaf8321ad030f19624bee738f3d

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: 8afc05da9d9a17bb"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "8afc05da9d9a17bb27b20029f1612b62b944604161bbaf48dcb3a06fc604f5c5"
}

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 8afc05da9d9a17bb27b20029f1612b62b944604161bbaf48dcb3a06fc604f5c5 # MD5 89a5afaf8321ad030f19624bee738f3d
TypeValueNote
sha256 8afc05da9d9a17bb27b20029f1612b62b944604161bbaf48dcb3a06fc604f5c5 Sample:GandCrab
md5 89a5afaf8321ad030f19624bee738f3d Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi