GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA25675b1e4db5263e127ce2357ded0d884deb8063bc0a386c0bf7bb2b78b890ad97d
MD59fcb5b3890f7f82c8b0b94f2a6e4843a
File Typeexe
Size73.5 KB
First Seen2022-08-30
File Name75b1e4db5263e127ce2357ded0d884deb8063bc0a386c0bf7bb2b78b890ad97d
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 75b1e4db5263e127ce2357ded0d884deb8063bc0a386c0bf7bb2b78b890ad97d
  • MD5: 9fcb5b3890f7f82c8b0b94f2a6e4843a

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: 75b1e4db5263e127"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "75b1e4db5263e127ce2357ded0d884deb8063bc0a386c0bf7bb2b78b890ad97d"
}

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 75b1e4db5263e127ce2357ded0d884deb8063bc0a386c0bf7bb2b78b890ad97d # MD5 9fcb5b3890f7f82c8b0b94f2a6e4843a
TypeValueNote
sha256 75b1e4db5263e127ce2357ded0d884deb8063bc0a386c0bf7bb2b78b890ad97d Sample:GandCrab
md5 9fcb5b3890f7f82c8b0b94f2a6e4843a Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi