GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256e2994dca06e6e33107b7f7dbe6a0201993634b8d4768f6fb330e6b768020721e
MD59761cf5ac9c1df9f78ef360718f48241
File Typeexe
Size73.5 KB
First Seen2022-08-30
File Namee2994dca06e6e33107b7f7dbe6a0201993634b8d4768f6fb330e6b768020721e
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: e2994dca06e6e33107b7f7dbe6a0201993634b8d4768f6fb330e6b768020721e
  • MD5: 9761cf5ac9c1df9f78ef360718f48241

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: e2994dca06e6e331"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "e2994dca06e6e33107b7f7dbe6a0201993634b8d4768f6fb330e6b768020721e"
}

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 e2994dca06e6e33107b7f7dbe6a0201993634b8d4768f6fb330e6b768020721e # MD5 9761cf5ac9c1df9f78ef360718f48241
TypeValueNote
sha256 e2994dca06e6e33107b7f7dbe6a0201993634b8d4768f6fb330e6b768020721e Sample:GandCrab
md5 9761cf5ac9c1df9f78ef360718f48241 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi