GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256d7d68634b915dd3611627c62e61e67bb5803e32da482d969b37b8f60b7f9284d
MD58b23a0fe6374a2fb6bf82a7d1c349efe
File Typeexe
Size73.5 KB
First Seen2022-08-30
File Named7d68634b915dd3611627c62e61e67bb5803e32da482d969b37b8f60b7f9284d
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

TypeRansomware
Programming LanguageC
Target PlatformWindows
C2 ProtocolHTTP
PurposeMaaS ransomware
First Seen Year2018

Threat Indicators (IOC)

  • SHA256: d7d68634b915dd3611627c62e61e67bb5803e32da482d969b37b8f60b7f9284d
  • MD5: 8b23a0fe6374a2fb6bf82a7d1c349efe

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: d7d68634b915dd36"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "d7d68634b915dd3611627c62e61e67bb5803e32da482d969b37b8f60b7f9284d"
}

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 d7d68634b915dd3611627c62e61e67bb5803e32da482d969b37b8f60b7f9284d # MD5 8b23a0fe6374a2fb6bf82a7d1c349efe
TypeValueNote
sha256 d7d68634b915dd3611627c62e61e67bb5803e32da482d969b37b8f60b7f9284d Sample:GandCrab
md5 8b23a0fe6374a2fb6bf82a7d1c349efe Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi