GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2563132d77b4169414e2663f9f4729e4d95e675e8d8607db94b736a11ccf1c32418
MD5ecf66cd36796fce3caf40942cc74ca18
File Typeexe
Size69.5 KB
First Seen2022-08-30
File Name3132d77b4169414e2663f9f4729e4d95e675e8d8607db94b736a11ccf1c32418
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: 3132d77b4169414e2663f9f4729e4d95e675e8d8607db94b736a11ccf1c32418
  • MD5: ecf66cd36796fce3caf40942cc74ca18

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: 3132d77b4169414e"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "3132d77b4169414e2663f9f4729e4d95e675e8d8607db94b736a11ccf1c32418"
}

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 3132d77b4169414e2663f9f4729e4d95e675e8d8607db94b736a11ccf1c32418 # MD5 ecf66cd36796fce3caf40942cc74ca18
TypeValueNote
sha256 3132d77b4169414e2663f9f4729e4d95e675e8d8607db94b736a11ccf1c32418 Sample:GandCrab
md5 ecf66cd36796fce3caf40942cc74ca18 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi