GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256933220c94cade9d67877f5353a8d3ef8b2029121504d32874f53ecdbe3af9152
MD5e6d9046db39b94fa261296ffc80924b8
File Typeexe
Size70.0 KB
First Seen2022-08-30
File Name933220c94cade9d67877f5353a8d3ef8b2029121504d32874f53ecdbe3af9152
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 933220c94cade9d67877f5353a8d3ef8b2029121504d32874f53ecdbe3af9152
  • MD5: e6d9046db39b94fa261296ffc80924b8

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: 933220c94cade9d6"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "933220c94cade9d67877f5353a8d3ef8b2029121504d32874f53ecdbe3af9152"
}

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 933220c94cade9d67877f5353a8d3ef8b2029121504d32874f53ecdbe3af9152 # MD5 e6d9046db39b94fa261296ffc80924b8
TypeValueNote
sha256 933220c94cade9d67877f5353a8d3ef8b2029121504d32874f53ecdbe3af9152 Sample:GandCrab
md5 e6d9046db39b94fa261296ffc80924b8 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi