GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256d6efeba5ab49ef3498ac48a39bd6ff9725b41682befda4072379e4dde662e930
MD58e781fe93039a62e7fa13affff3f41ce
File Typeexe
Size248.0 KB
First Seen2022-11-30
File Name1bd18b310db3a832cd9af6c5aa9ad784b70976b8
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: d6efeba5ab49ef3498ac48a39bd6ff9725b41682befda4072379e4dde662e930
  • MD5: 8e781fe93039a62e7fa13affff3f41ce

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: d6efeba5ab49ef34"
        threat_level = "critical"
        first_seen = "2022-11-30"
    condition:
        hash.sha256(0, filesize) == "d6efeba5ab49ef3498ac48a39bd6ff9725b41682befda4072379e4dde662e930"
}

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 d6efeba5ab49ef3498ac48a39bd6ff9725b41682befda4072379e4dde662e930 # MD5 8e781fe93039a62e7fa13affff3f41ce
TypeValueNote
sha256 d6efeba5ab49ef3498ac48a39bd6ff9725b41682befda4072379e4dde662e930 Sample:GandCrab
md5 8e781fe93039a62e7fa13affff3f41ce Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi