GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2568ed8d1de67a12037e4a46e8e01f07776327efd6668343871f9268682b8e9d9ff
MD52f7edd736ad9016cba360007289e0568
File Typeexe
Size69.5 KB
First Seen2022-08-30
File Name8ed8d1de67a12037e4a46e8e01f07776327efd6668343871f9268682b8e9d9ff
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: 8ed8d1de67a12037e4a46e8e01f07776327efd6668343871f9268682b8e9d9ff
  • MD5: 2f7edd736ad9016cba360007289e0568

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: 8ed8d1de67a12037"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "8ed8d1de67a12037e4a46e8e01f07776327efd6668343871f9268682b8e9d9ff"
}

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 8ed8d1de67a12037e4a46e8e01f07776327efd6668343871f9268682b8e9d9ff # MD5 2f7edd736ad9016cba360007289e0568
TypeValueNote
sha256 8ed8d1de67a12037e4a46e8e01f07776327efd6668343871f9268682b8e9d9ff Sample:GandCrab
md5 2f7edd736ad9016cba360007289e0568 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi