GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2568962e980e4919ab4a67e3a3be9d92652bb803b696b506fb00558947369e050a5
MD51bb1e77f9c50876b48c0a18a9d540e8b
File Typeexe
Size73.5 KB
First Seen2022-08-30
File Name8962e980e4919ab4a67e3a3be9d92652bb803b696b506fb00558947369e050a5
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: 8962e980e4919ab4a67e3a3be9d92652bb803b696b506fb00558947369e050a5
  • MD5: 1bb1e77f9c50876b48c0a18a9d540e8b

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: 8962e980e4919ab4"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "8962e980e4919ab4a67e3a3be9d92652bb803b696b506fb00558947369e050a5"
}

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 8962e980e4919ab4a67e3a3be9d92652bb803b696b506fb00558947369e050a5 # MD5 1bb1e77f9c50876b48c0a18a9d540e8b
TypeValueNote
sha256 8962e980e4919ab4a67e3a3be9d92652bb803b696b506fb00558947369e050a5 Sample:GandCrab
md5 1bb1e77f9c50876b48c0a18a9d540e8b Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi