GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2561a3221518a1c142a394ca8de66a8d79dd6240be37c130f816e724baa324b8eca
MD560ad40e5ca5f58dd9de72decf70a19b1
File Typeexe
Size73.5 KB
First Seen2022-08-30
File Name1a3221518a1c142a394ca8de66a8d79dd6240be37c130f816e724baa324b8eca
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 1a3221518a1c142a394ca8de66a8d79dd6240be37c130f816e724baa324b8eca
  • MD5: 60ad40e5ca5f58dd9de72decf70a19b1

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: 1a3221518a1c142a"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "1a3221518a1c142a394ca8de66a8d79dd6240be37c130f816e724baa324b8eca"
}

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 1a3221518a1c142a394ca8de66a8d79dd6240be37c130f816e724baa324b8eca # MD5 60ad40e5ca5f58dd9de72decf70a19b1
TypeValueNote
sha256 1a3221518a1c142a394ca8de66a8d79dd6240be37c130f816e724baa324b8eca Sample:GandCrab
md5 60ad40e5ca5f58dd9de72decf70a19b1 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi