GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2569270a4125d7951a9aa98cb6916020b6c92f2664410cb96d5580e079680642709
MD5c2cc745c38badb76b2df654a32559374
File Typeexe
Size70.0 KB
First Seen2022-08-30
File Name9270a4125d7951a9aa98cb6916020b6c92f2664410cb96d5580e079680642709
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 9270a4125d7951a9aa98cb6916020b6c92f2664410cb96d5580e079680642709
  • MD5: c2cc745c38badb76b2df654a32559374

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: 9270a4125d7951a9"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "9270a4125d7951a9aa98cb6916020b6c92f2664410cb96d5580e079680642709"
}

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 9270a4125d7951a9aa98cb6916020b6c92f2664410cb96d5580e079680642709 # MD5 c2cc745c38badb76b2df654a32559374
TypeValueNote
sha256 9270a4125d7951a9aa98cb6916020b6c92f2664410cb96d5580e079680642709 Sample:GandCrab
md5 c2cc745c38badb76b2df654a32559374 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi