GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA25654fde484649c454e26033fdb1b9884a1fbe96e0792042c49b876c028d2c832f8
MD5f52bd69dc6c19c47364a848b92891d20
File Typeexe
Size69.5 KB
First Seen2022-08-30
File Name54fde484649c454e26033fdb1b9884a1fbe96e0792042c49b876c028d2c832f8
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 54fde484649c454e26033fdb1b9884a1fbe96e0792042c49b876c028d2c832f8
  • MD5: f52bd69dc6c19c47364a848b92891d20

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: 54fde484649c454e"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "54fde484649c454e26033fdb1b9884a1fbe96e0792042c49b876c028d2c832f8"
}

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 54fde484649c454e26033fdb1b9884a1fbe96e0792042c49b876c028d2c832f8 # MD5 f52bd69dc6c19c47364a848b92891d20
TypeValueNote
sha256 54fde484649c454e26033fdb1b9884a1fbe96e0792042c49b876c028d2c832f8 Sample:GandCrab
md5 f52bd69dc6c19c47364a848b92891d20 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi