GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256e4da2a49164c8c181d394b6c77dc9f014e26d655c94208669fa1f0575ca14483
MD545addac28b0bb46990f5e56670250915
File Typeexe
Size73.5 KB
First Seen2022-08-30
File Namee4da2a49164c8c181d394b6c77dc9f014e26d655c94208669fa1f0575ca14483
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

TypeRansomware
Programming LanguageC
Target PlatformWindows
C2 ProtocolHTTP
PurposeMaaS ransomware
First Seen Year2018

Threat Indicators (IOC)

  • SHA256: e4da2a49164c8c181d394b6c77dc9f014e26d655c94208669fa1f0575ca14483
  • MD5: 45addac28b0bb46990f5e56670250915

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: e4da2a49164c8c18"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "e4da2a49164c8c181d394b6c77dc9f014e26d655c94208669fa1f0575ca14483"
}

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 e4da2a49164c8c181d394b6c77dc9f014e26d655c94208669fa1f0575ca14483 # MD5 45addac28b0bb46990f5e56670250915
TypeValueNote
sha256 e4da2a49164c8c181d394b6c77dc9f014e26d655c94208669fa1f0575ca14483 Sample:GandCrab
md5 45addac28b0bb46990f5e56670250915 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi