GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256a308f0cc317ab6bd8270c19baf515158948db85ba9ba2c79c813d631f9570e9c
MD5961c6b49ee9ed4bbf99deac11d744c56
File Typeexe
Size69.5 KB
First Seen2022-08-30
File Namea308f0cc317ab6bd8270c19baf515158948db85ba9ba2c79c813d631f9570e9c
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: a308f0cc317ab6bd8270c19baf515158948db85ba9ba2c79c813d631f9570e9c
  • MD5: 961c6b49ee9ed4bbf99deac11d744c56

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: a308f0cc317ab6bd"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "a308f0cc317ab6bd8270c19baf515158948db85ba9ba2c79c813d631f9570e9c"
}

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 a308f0cc317ab6bd8270c19baf515158948db85ba9ba2c79c813d631f9570e9c # MD5 961c6b49ee9ed4bbf99deac11d744c56
TypeValueNote
sha256 a308f0cc317ab6bd8270c19baf515158948db85ba9ba2c79c813d631f9570e9c Sample:GandCrab
md5 961c6b49ee9ed4bbf99deac11d744c56 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi