GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256c51386abd04523cd4182b96f190c471b3f817939221ccf54128f46a18f2d2d6c
MD5d85e12135f520e0e51f3e93d0e403c87
File Typeexe
Size69.5 KB
First Seen2022-08-30
File Namec51386abd04523cd4182b96f190c471b3f817939221ccf54128f46a18f2d2d6c
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: c51386abd04523cd4182b96f190c471b3f817939221ccf54128f46a18f2d2d6c
  • MD5: d85e12135f520e0e51f3e93d0e403c87

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: c51386abd04523cd"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "c51386abd04523cd4182b96f190c471b3f817939221ccf54128f46a18f2d2d6c"
}

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 c51386abd04523cd4182b96f190c471b3f817939221ccf54128f46a18f2d2d6c # MD5 d85e12135f520e0e51f3e93d0e403c87
TypeValueNote
sha256 c51386abd04523cd4182b96f190c471b3f817939221ccf54128f46a18f2d2d6c Sample:GandCrab
md5 d85e12135f520e0e51f3e93d0e403c87 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi