GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256128c51ee926d84cb04f1a6ac84e5722df1f88c06800ef1752f8dceb407597dbb
MD5e24ee3bdf267deb3e63058ee3e44b8ab
File Typeexe
Size73.5 KB
First Seen2022-08-30
File Name128c51ee926d84cb04f1a6ac84e5722df1f88c06800ef1752f8dceb407597dbb
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 128c51ee926d84cb04f1a6ac84e5722df1f88c06800ef1752f8dceb407597dbb
  • MD5: e24ee3bdf267deb3e63058ee3e44b8ab

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: 128c51ee926d84cb"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "128c51ee926d84cb04f1a6ac84e5722df1f88c06800ef1752f8dceb407597dbb"
}

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 128c51ee926d84cb04f1a6ac84e5722df1f88c06800ef1752f8dceb407597dbb # MD5 e24ee3bdf267deb3e63058ee3e44b8ab
TypeValueNote
sha256 128c51ee926d84cb04f1a6ac84e5722df1f88c06800ef1752f8dceb407597dbb Sample:GandCrab
md5 e24ee3bdf267deb3e63058ee3e44b8ab Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi