GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2566df64a0a921bd65006968d7eb146f7ceb60ffc1345575d39edec0eded41eb4fe
MD57f97b34a113170d02ff8008c2bbc7745
File Typeexe
Size6144.0 KB
First Seen2023-02-19
File Name2023-02-19_7f97b34a113170d02ff8008c2bbc7745_wannacry
TagsGandcrab

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: 6df64a0a921bd65006968d7eb146f7ceb60ffc1345575d39edec0eded41eb4fe
  • MD5: 7f97b34a113170d02ff8008c2bbc7745

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: 6df64a0a921bd650"
        threat_level = "critical"
        first_seen = "2023-02-19"
    condition:
        hash.sha256(0, filesize) == "6df64a0a921bd65006968d7eb146f7ceb60ffc1345575d39edec0eded41eb4fe"
}

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 6df64a0a921bd65006968d7eb146f7ceb60ffc1345575d39edec0eded41eb4fe # MD5 7f97b34a113170d02ff8008c2bbc7745
TypeValueNote
sha256 6df64a0a921bd65006968d7eb146f7ceb60ffc1345575d39edec0eded41eb4fe Sample:GandCrab
md5 7f97b34a113170d02ff8008c2bbc7745 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi