GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2560733175f9bad74ab1ce8cb98f6a8112faab7f3b44b3cb796b20d70aa03e21d09
MD5a93bfa5457b5d264497de44929d9d599
File Typeexe
Size69.5 KB
First Seen2022-08-30
File Name0733175f9bad74ab1ce8cb98f6a8112faab7f3b44b3cb796b20d70aa03e21d09
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, en yaygın eski ransomware'dir.

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

Threat Indicators (IOC)

  • SHA256: 0733175f9bad74ab1ce8cb98f6a8112faab7f3b44b3cb796b20d70aa03e21d09
  • MD5: a93bfa5457b5d264497de44929d9d599

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: 0733175f9bad74ab"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "0733175f9bad74ab1ce8cb98f6a8112faab7f3b44b3cb796b20d70aa03e21d09"
}

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 0733175f9bad74ab1ce8cb98f6a8112faab7f3b44b3cb796b20d70aa03e21d09 # MD5 a93bfa5457b5d264497de44929d9d599
TypeValueNote
sha256 0733175f9bad74ab1ce8cb98f6a8112faab7f3b44b3cb796b20d70aa03e21d09 Sample:GandCrab
md5 a93bfa5457b5d264497de44929d9d599 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi