GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2567d39433f264b1a3eae8bb16872da648d9972aa745647ac05063a7d3efb7acca3
MD5c87f31bb6c1ed7509b22e1b464804fc9
File Typeexe
Size69.5 KB
First Seen2022-08-30
File Name7d39433f264b1a3eae8bb16872da648d9972aa745647ac05063a7d3efb7acca3
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 7d39433f264b1a3eae8bb16872da648d9972aa745647ac05063a7d3efb7acca3
  • MD5: c87f31bb6c1ed7509b22e1b464804fc9

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: 7d39433f264b1a3e"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "7d39433f264b1a3eae8bb16872da648d9972aa745647ac05063a7d3efb7acca3"
}

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 7d39433f264b1a3eae8bb16872da648d9972aa745647ac05063a7d3efb7acca3 # MD5 c87f31bb6c1ed7509b22e1b464804fc9
TypeValueNote
sha256 7d39433f264b1a3eae8bb16872da648d9972aa745647ac05063a7d3efb7acca3 Sample:GandCrab
md5 c87f31bb6c1ed7509b22e1b464804fc9 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi