GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256756c037e77ead8781f45313c8b3108c9c7ff2909c9eacabe9ca286649bbfb4fc
MD53f3c668dca7a4cf9e53ec6a4187d3664
File Typeexe
Size70.0 KB
First Seen2022-08-30
File Name756c037e77ead8781f45313c8b3108c9c7ff2909c9eacabe9ca286649bbfb4fc
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: 756c037e77ead8781f45313c8b3108c9c7ff2909c9eacabe9ca286649bbfb4fc
  • MD5: 3f3c668dca7a4cf9e53ec6a4187d3664

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: 756c037e77ead878"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "756c037e77ead8781f45313c8b3108c9c7ff2909c9eacabe9ca286649bbfb4fc"
}

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 756c037e77ead8781f45313c8b3108c9c7ff2909c9eacabe9ca286649bbfb4fc # MD5 3f3c668dca7a4cf9e53ec6a4187d3664
TypeValueNote
sha256 756c037e77ead8781f45313c8b3108c9c7ff2909c9eacabe9ca286649bbfb4fc Sample:GandCrab
md5 3f3c668dca7a4cf9e53ec6a4187d3664 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi