GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA25650f6f42f6b29ecc491d8e7259f6a8f31a2ccbdfdc7110ddd740f9a087ab481aa
MD51766d0f4d3aa7901ce6d4ecb49dc5401
File Typeexe
Size69.5 KB
First Seen2022-08-30
File Name50f6f42f6b29ecc491d8e7259f6a8f31a2ccbdfdc7110ddd740f9a087ab481aa
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 50f6f42f6b29ecc491d8e7259f6a8f31a2ccbdfdc7110ddd740f9a087ab481aa
  • MD5: 1766d0f4d3aa7901ce6d4ecb49dc5401

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: 50f6f42f6b29ecc4"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "50f6f42f6b29ecc491d8e7259f6a8f31a2ccbdfdc7110ddd740f9a087ab481aa"
}

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 50f6f42f6b29ecc491d8e7259f6a8f31a2ccbdfdc7110ddd740f9a087ab481aa # MD5 1766d0f4d3aa7901ce6d4ecb49dc5401
TypeValueNote
sha256 50f6f42f6b29ecc491d8e7259f6a8f31a2ccbdfdc7110ddd740f9a087ab481aa Sample:GandCrab
md5 1766d0f4d3aa7901ce6d4ecb49dc5401 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi