GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2564b147f9047b9014265220d4bfdb36a04d4455b26303d40040beeebdbd3cd5fde
MD5476fcf4511a66c910d1b4c9a2bad60ff
File Typeexe
Size70.0 KB
First Seen2022-08-30
File Name4b147f9047b9014265220d4bfdb36a04d4455b26303d40040beeebdbd3cd5fde
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 4b147f9047b9014265220d4bfdb36a04d4455b26303d40040beeebdbd3cd5fde
  • MD5: 476fcf4511a66c910d1b4c9a2bad60ff

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: 4b147f9047b90142"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "4b147f9047b9014265220d4bfdb36a04d4455b26303d40040beeebdbd3cd5fde"
}

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 4b147f9047b9014265220d4bfdb36a04d4455b26303d40040beeebdbd3cd5fde # MD5 476fcf4511a66c910d1b4c9a2bad60ff
TypeValueNote
sha256 4b147f9047b9014265220d4bfdb36a04d4455b26303d40040beeebdbd3cd5fde Sample:GandCrab
md5 476fcf4511a66c910d1b4c9a2bad60ff Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi