GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256054fc4a4f742402506596bd97c0798dd34fb5c2da682ad67f18362c5eee26aa3
MD531706c868a6ab9662dff0acea795c11d
File Typeexe
Size73.5 KB
First Seen2022-08-30
File Name054fc4a4f742402506596bd97c0798dd34fb5c2da682ad67f18362c5eee26aa3
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 054fc4a4f742402506596bd97c0798dd34fb5c2da682ad67f18362c5eee26aa3
  • MD5: 31706c868a6ab9662dff0acea795c11d

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: 054fc4a4f7424025"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "054fc4a4f742402506596bd97c0798dd34fb5c2da682ad67f18362c5eee26aa3"
}

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 054fc4a4f742402506596bd97c0798dd34fb5c2da682ad67f18362c5eee26aa3 # MD5 31706c868a6ab9662dff0acea795c11d
TypeValueNote
sha256 054fc4a4f742402506596bd97c0798dd34fb5c2da682ad67f18362c5eee26aa3 Sample:GandCrab
md5 31706c868a6ab9662dff0acea795c11d Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi