GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256e474f66024e18fcb717ef97d3ee48b43feba7d8e7af834583104d238ef1b4cd1
MD50b09d8e2e1e2930e7d35bad671a74c81
File Typeexe
Size70.0 KB
First Seen2022-08-30
File Namee474f66024e18fcb717ef97d3ee48b43feba7d8e7af834583104d238ef1b4cd1
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: e474f66024e18fcb717ef97d3ee48b43feba7d8e7af834583104d238ef1b4cd1
  • MD5: 0b09d8e2e1e2930e7d35bad671a74c81

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: e474f66024e18fcb"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "e474f66024e18fcb717ef97d3ee48b43feba7d8e7af834583104d238ef1b4cd1"
}

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 e474f66024e18fcb717ef97d3ee48b43feba7d8e7af834583104d238ef1b4cd1 # MD5 0b09d8e2e1e2930e7d35bad671a74c81
TypeValueNote
sha256 e474f66024e18fcb717ef97d3ee48b43feba7d8e7af834583104d238ef1b4cd1 Sample:GandCrab
md5 0b09d8e2e1e2930e7d35bad671a74c81 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi