GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256307893a08b4808c0da1a3d34ab6aeed66e772bf6dd56e3f96d0e03165f690183
MD501ea7cd278d912155cf2d3cc28a247b4
File Typeexe
Size69.5 KB
First Seen2022-08-30
File Name307893a08b4808c0da1a3d34ab6aeed66e772bf6dd56e3f96d0e03165f690183
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 307893a08b4808c0da1a3d34ab6aeed66e772bf6dd56e3f96d0e03165f690183
  • MD5: 01ea7cd278d912155cf2d3cc28a247b4

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: 307893a08b4808c0"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "307893a08b4808c0da1a3d34ab6aeed66e772bf6dd56e3f96d0e03165f690183"
}

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 307893a08b4808c0da1a3d34ab6aeed66e772bf6dd56e3f96d0e03165f690183 # MD5 01ea7cd278d912155cf2d3cc28a247b4
TypeValueNote
sha256 307893a08b4808c0da1a3d34ab6aeed66e772bf6dd56e3f96d0e03165f690183 Sample:GandCrab
md5 01ea7cd278d912155cf2d3cc28a247b4 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi