GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2565686d731062811d268c0a3fce3cdba442de75ba20ec06ed1a391a0afa8860f1b
MD5b9014f1135d7f551aeba5549ca51022c
File Typeexe
Size70.0 KB
First Seen2022-08-30
File Name5686d731062811d268c0a3fce3cdba442de75ba20ec06ed1a391a0afa8860f1b
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 5686d731062811d268c0a3fce3cdba442de75ba20ec06ed1a391a0afa8860f1b
  • MD5: b9014f1135d7f551aeba5549ca51022c

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: 5686d731062811d2"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "5686d731062811d268c0a3fce3cdba442de75ba20ec06ed1a391a0afa8860f1b"
}

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 5686d731062811d268c0a3fce3cdba442de75ba20ec06ed1a391a0afa8860f1b # MD5 b9014f1135d7f551aeba5549ca51022c
TypeValueNote
sha256 5686d731062811d268c0a3fce3cdba442de75ba20ec06ed1a391a0afa8860f1b Sample:GandCrab
md5 b9014f1135d7f551aeba5549ca51022c Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi