GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2565e9528fc6f0aa642a02e5cc493bddfe243bd4e4cc6f012bf3d6b705fad07bd1b
MD57e903a7e506dd99d7bf37cc5b99b88f1
File Typeexe
Size70.0 KB
First Seen2022-08-30
File Name5e9528fc6f0aa642a02e5cc493bddfe243bd4e4cc6f012bf3d6b705fad07bd1b
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 5e9528fc6f0aa642a02e5cc493bddfe243bd4e4cc6f012bf3d6b705fad07bd1b
  • MD5: 7e903a7e506dd99d7bf37cc5b99b88f1

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: 5e9528fc6f0aa642"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "5e9528fc6f0aa642a02e5cc493bddfe243bd4e4cc6f012bf3d6b705fad07bd1b"
}

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 5e9528fc6f0aa642a02e5cc493bddfe243bd4e4cc6f012bf3d6b705fad07bd1b # MD5 7e903a7e506dd99d7bf37cc5b99b88f1
TypeValueNote
sha256 5e9528fc6f0aa642a02e5cc493bddfe243bd4e4cc6f012bf3d6b705fad07bd1b Sample:GandCrab
md5 7e903a7e506dd99d7bf37cc5b99b88f1 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi