GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256b1601722c802746f69b5ad03d53a59f22367247e1dc4b0890213a39ce01967b8
MD5927ecfa00a13ae23943fdb0681f0211a
File Typeexe
Size69.5 KB
First Seen2022-08-30
File Nameb1601722c802746f69b5ad03d53a59f22367247e1dc4b0890213a39ce01967b8
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: b1601722c802746f69b5ad03d53a59f22367247e1dc4b0890213a39ce01967b8
  • MD5: 927ecfa00a13ae23943fdb0681f0211a

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: b1601722c802746f"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "b1601722c802746f69b5ad03d53a59f22367247e1dc4b0890213a39ce01967b8"
}

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 b1601722c802746f69b5ad03d53a59f22367247e1dc4b0890213a39ce01967b8 # MD5 927ecfa00a13ae23943fdb0681f0211a
TypeValueNote
sha256 b1601722c802746f69b5ad03d53a59f22367247e1dc4b0890213a39ce01967b8 Sample:GandCrab
md5 927ecfa00a13ae23943fdb0681f0211a Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi