GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256d1c1502c3c7267f83258b9c091aeff70447f0a58cd1d4d0db1611229e8b8fcf9
MD5b1c752030026da954e795d934eb57567
File Typeexe
Size69.5 KB
First Seen2022-08-30
File Named1c1502c3c7267f83258b9c091aeff70447f0a58cd1d4d0db1611229e8b8fcf9
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: d1c1502c3c7267f83258b9c091aeff70447f0a58cd1d4d0db1611229e8b8fcf9
  • MD5: b1c752030026da954e795d934eb57567

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: d1c1502c3c7267f8"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "d1c1502c3c7267f83258b9c091aeff70447f0a58cd1d4d0db1611229e8b8fcf9"
}

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 d1c1502c3c7267f83258b9c091aeff70447f0a58cd1d4d0db1611229e8b8fcf9 # MD5 b1c752030026da954e795d934eb57567
TypeValueNote
sha256 d1c1502c3c7267f83258b9c091aeff70447f0a58cd1d4d0db1611229e8b8fcf9 Sample:GandCrab
md5 b1c752030026da954e795d934eb57567 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi