GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256dd65f9917c7e353145378f9b70cbcbbec7e52436694f277fadcbb654ecafed28
MD55f2e48de5668bc86caec678c0f3c3d8e
File Typeexe
Size170.5 KB
First Seen2022-11-30
File Name30a295a6b157b35fed7187ef68319397be36a3a8
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: dd65f9917c7e353145378f9b70cbcbbec7e52436694f277fadcbb654ecafed28
  • MD5: 5f2e48de5668bc86caec678c0f3c3d8e

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: dd65f9917c7e3531"
        threat_level = "critical"
        first_seen = "2022-11-30"
    condition:
        hash.sha256(0, filesize) == "dd65f9917c7e353145378f9b70cbcbbec7e52436694f277fadcbb654ecafed28"
}

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 dd65f9917c7e353145378f9b70cbcbbec7e52436694f277fadcbb654ecafed28 # MD5 5f2e48de5668bc86caec678c0f3c3d8e
TypeValueNote
sha256 dd65f9917c7e353145378f9b70cbcbbec7e52436694f277fadcbb654ecafed28 Sample:GandCrab
md5 5f2e48de5668bc86caec678c0f3c3d8e Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi