GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256742a63eb7521860098b4d7ab93cb46d3a22ef4fccd4c19bd093034ed7f8f951f
MD5c1d2d4a3f1f463abc6e15a30cd3aadc2
File Typeexe
Size70.0 KB
First Seen2022-08-30
File Name742a63eb7521860098b4d7ab93cb46d3a22ef4fccd4c19bd093034ed7f8f951f
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: 742a63eb7521860098b4d7ab93cb46d3a22ef4fccd4c19bd093034ed7f8f951f
  • MD5: c1d2d4a3f1f463abc6e15a30cd3aadc2

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: 742a63eb75218600"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "742a63eb7521860098b4d7ab93cb46d3a22ef4fccd4c19bd093034ed7f8f951f"
}

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 742a63eb7521860098b4d7ab93cb46d3a22ef4fccd4c19bd093034ed7f8f951f # MD5 c1d2d4a3f1f463abc6e15a30cd3aadc2
TypeValueNote
sha256 742a63eb7521860098b4d7ab93cb46d3a22ef4fccd4c19bd093034ed7f8f951f Sample:GandCrab
md5 c1d2d4a3f1f463abc6e15a30cd3aadc2 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi