GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256712c9d3bee033cf9425e58c4bb8f82ec8cba5805b906225d9ffe014372455303
MD5c5bca8eedddb64faa64384caf1d36785
File Typeexe
Size69.5 KB
First Seen2022-08-30
File Name712c9d3bee033cf9425e58c4bb8f82ec8cba5805b906225d9ffe014372455303
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 712c9d3bee033cf9425e58c4bb8f82ec8cba5805b906225d9ffe014372455303
  • MD5: c5bca8eedddb64faa64384caf1d36785

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: 712c9d3bee033cf9"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "712c9d3bee033cf9425e58c4bb8f82ec8cba5805b906225d9ffe014372455303"
}

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 712c9d3bee033cf9425e58c4bb8f82ec8cba5805b906225d9ffe014372455303 # MD5 c5bca8eedddb64faa64384caf1d36785
TypeValueNote
sha256 712c9d3bee033cf9425e58c4bb8f82ec8cba5805b906225d9ffe014372455303 Sample:GandCrab
md5 c5bca8eedddb64faa64384caf1d36785 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi