GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA25672dbed0bb6cc168837f0319a635251353c56a0d4d6f05dd45eb2771533888a58
MD5d9d508b61a571d0c0fb7d0add33b5439
File Typeexe
Size69.5 KB
First Seen2022-08-30
File Name72dbed0bb6cc168837f0319a635251353c56a0d4d6f05dd45eb2771533888a58
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 72dbed0bb6cc168837f0319a635251353c56a0d4d6f05dd45eb2771533888a58
  • MD5: d9d508b61a571d0c0fb7d0add33b5439

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: 72dbed0bb6cc1688"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "72dbed0bb6cc168837f0319a635251353c56a0d4d6f05dd45eb2771533888a58"
}

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 72dbed0bb6cc168837f0319a635251353c56a0d4d6f05dd45eb2771533888a58 # MD5 d9d508b61a571d0c0fb7d0add33b5439
TypeValueNote
sha256 72dbed0bb6cc168837f0319a635251353c56a0d4d6f05dd45eb2771533888a58 Sample:GandCrab
md5 d9d508b61a571d0c0fb7d0add33b5439 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi