GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2561203165204643bf6dc4e3ffcc4314561c6a9d1ff3a3f6adc2538b613c3ac55d8
MD5fd55ffb8cfc315ba52c19e9b59154685
File Typeexe
Size70.0 KB
First Seen2022-08-30
File Name1203165204643bf6dc4e3ffcc4314561c6a9d1ff3a3f6adc2538b613c3ac55d8
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: 1203165204643bf6dc4e3ffcc4314561c6a9d1ff3a3f6adc2538b613c3ac55d8
  • MD5: fd55ffb8cfc315ba52c19e9b59154685

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: 1203165204643bf6"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "1203165204643bf6dc4e3ffcc4314561c6a9d1ff3a3f6adc2538b613c3ac55d8"
}

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 1203165204643bf6dc4e3ffcc4314561c6a9d1ff3a3f6adc2538b613c3ac55d8 # MD5 fd55ffb8cfc315ba52c19e9b59154685
TypeValueNote
sha256 1203165204643bf6dc4e3ffcc4314561c6a9d1ff3a3f6adc2538b613c3ac55d8 Sample:GandCrab
md5 fd55ffb8cfc315ba52c19e9b59154685 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi