GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2563fce609c74c3b66db41d4b562f25dde3dd77889e3873494b58c3d41c9b039cd9
MD5608324c50338f3aa11dc4fee9a99faf8
File Typeexe
Size70.0 KB
First Seen2022-08-30
File Name3fce609c74c3b66db41d4b562f25dde3dd77889e3873494b58c3d41c9b039cd9
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 3fce609c74c3b66db41d4b562f25dde3dd77889e3873494b58c3d41c9b039cd9
  • MD5: 608324c50338f3aa11dc4fee9a99faf8

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: 3fce609c74c3b66d"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "3fce609c74c3b66db41d4b562f25dde3dd77889e3873494b58c3d41c9b039cd9"
}

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 3fce609c74c3b66db41d4b562f25dde3dd77889e3873494b58c3d41c9b039cd9 # MD5 608324c50338f3aa11dc4fee9a99faf8
TypeValueNote
sha256 3fce609c74c3b66db41d4b562f25dde3dd77889e3873494b58c3d41c9b039cd9 Sample:GandCrab
md5 608324c50338f3aa11dc4fee9a99faf8 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi