GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256451cb144b3af9b1f43383486f099b30802e6011a7c1ea32502c3c704e1f1b126
MD51888038584873d163ecc896dab1b794a
File Typeexe
Size70.0 KB
First Seen2022-08-30
File Name451cb144b3af9b1f43383486f099b30802e6011a7c1ea32502c3c704e1f1b126
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 451cb144b3af9b1f43383486f099b30802e6011a7c1ea32502c3c704e1f1b126
  • MD5: 1888038584873d163ecc896dab1b794a

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: 451cb144b3af9b1f"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "451cb144b3af9b1f43383486f099b30802e6011a7c1ea32502c3c704e1f1b126"
}

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 451cb144b3af9b1f43383486f099b30802e6011a7c1ea32502c3c704e1f1b126 # MD5 1888038584873d163ecc896dab1b794a
TypeValueNote
sha256 451cb144b3af9b1f43383486f099b30802e6011a7c1ea32502c3c704e1f1b126 Sample:GandCrab
md5 1888038584873d163ecc896dab1b794a Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi