GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2566b3a9764629af9363e7d7e6afa5af678457e20ba8e981c07bf9badf84c6f3a6a
MD5e3cde43e635e1b365ff1895125381410
File Typedll
Size76.0 KB
First Seen2022-08-30
File Name6b3a9764629af9363e7d7e6afa5af678457e20ba8e981c07bf9badf84c6f3a6a
Tagsdll, 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: 6b3a9764629af9363e7d7e6afa5af678457e20ba8e981c07bf9badf84c6f3a6a
  • MD5: e3cde43e635e1b365ff1895125381410

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: 6b3a9764629af936"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "6b3a9764629af9363e7d7e6afa5af678457e20ba8e981c07bf9badf84c6f3a6a"
}

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 6b3a9764629af9363e7d7e6afa5af678457e20ba8e981c07bf9badf84c6f3a6a # MD5 e3cde43e635e1b365ff1895125381410
TypeValueNote
sha256 6b3a9764629af9363e7d7e6afa5af678457e20ba8e981c07bf9badf84c6f3a6a Sample:GandCrab
md5 e3cde43e635e1b365ff1895125381410 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi