GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256b450fe0f63a72c3000eb430f46727f98b3f3392652edda67ec0ead6c84200784
MD509cb08966b55b79f7a8f4624c64a76c8
File Typeexe
Size73.5 KB
First Seen2022-08-30
File Nameb450fe0f63a72c3000eb430f46727f98b3f3392652edda67ec0ead6c84200784
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: b450fe0f63a72c3000eb430f46727f98b3f3392652edda67ec0ead6c84200784
  • MD5: 09cb08966b55b79f7a8f4624c64a76c8

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: b450fe0f63a72c30"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "b450fe0f63a72c3000eb430f46727f98b3f3392652edda67ec0ead6c84200784"
}

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 b450fe0f63a72c3000eb430f46727f98b3f3392652edda67ec0ead6c84200784 # MD5 09cb08966b55b79f7a8f4624c64a76c8
TypeValueNote
sha256 b450fe0f63a72c3000eb430f46727f98b3f3392652edda67ec0ead6c84200784 Sample:GandCrab
md5 09cb08966b55b79f7a8f4624c64a76c8 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi