GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256c25ec11d6368fc1c2b379b693146b7a6ecba7be457e0ed0baa31cf63603ae941
MD5d3e77f5935f1bba9c9a733893b780427
File Typeexe
Size69.5 KB
First Seen2022-08-30
File Namec25ec11d6368fc1c2b379b693146b7a6ecba7be457e0ed0baa31cf63603ae941
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: c25ec11d6368fc1c2b379b693146b7a6ecba7be457e0ed0baa31cf63603ae941
  • MD5: d3e77f5935f1bba9c9a733893b780427

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: c25ec11d6368fc1c"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "c25ec11d6368fc1c2b379b693146b7a6ecba7be457e0ed0baa31cf63603ae941"
}

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 c25ec11d6368fc1c2b379b693146b7a6ecba7be457e0ed0baa31cf63603ae941 # MD5 d3e77f5935f1bba9c9a733893b780427
TypeValueNote
sha256 c25ec11d6368fc1c2b379b693146b7a6ecba7be457e0ed0baa31cf63603ae941 Sample:GandCrab
md5 d3e77f5935f1bba9c9a733893b780427 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi