GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256cd749202a943989bcfc975eedd577713b8b888c58c542afa5bb021abcdaf3f55
MD5cd13faa3762f954d7054507fa04563f1
File Typeexe
Size70.0 KB
First Seen2022-08-30
File Namecd749202a943989bcfc975eedd577713b8b888c58c542afa5bb021abcdaf3f55
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: cd749202a943989bcfc975eedd577713b8b888c58c542afa5bb021abcdaf3f55
  • MD5: cd13faa3762f954d7054507fa04563f1

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: cd749202a943989b"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "cd749202a943989bcfc975eedd577713b8b888c58c542afa5bb021abcdaf3f55"
}

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 cd749202a943989bcfc975eedd577713b8b888c58c542afa5bb021abcdaf3f55 # MD5 cd13faa3762f954d7054507fa04563f1
TypeValueNote
sha256 cd749202a943989bcfc975eedd577713b8b888c58c542afa5bb021abcdaf3f55 Sample:GandCrab
md5 cd13faa3762f954d7054507fa04563f1 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi