GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256c929d4694312eb9a819022b0934dd4128ad304ee5a316f5a1e5e96a0d0756be8
MD5be2a12b71d9b4b871fa496921cf98715
File Typeexe
Size69.5 KB
First Seen2022-08-30
File Namec929d4694312eb9a819022b0934dd4128ad304ee5a316f5a1e5e96a0d0756be8
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: c929d4694312eb9a819022b0934dd4128ad304ee5a316f5a1e5e96a0d0756be8
  • MD5: be2a12b71d9b4b871fa496921cf98715

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: c929d4694312eb9a"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "c929d4694312eb9a819022b0934dd4128ad304ee5a316f5a1e5e96a0d0756be8"
}

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 c929d4694312eb9a819022b0934dd4128ad304ee5a316f5a1e5e96a0d0756be8 # MD5 be2a12b71d9b4b871fa496921cf98715
TypeValueNote
sha256 c929d4694312eb9a819022b0934dd4128ad304ee5a316f5a1e5e96a0d0756be8 Sample:GandCrab
md5 be2a12b71d9b4b871fa496921cf98715 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi