GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA25667b3d341d8abc2e1b5daad939b36fcc2e406afc50e59912a6869c1cac8ae22c4
MD5ae9aa3c0d60790066afc3c9bc426b81e
File Typeexe
Size70.0 KB
First Seen2022-08-30
File Name67b3d341d8abc2e1b5daad939b36fcc2e406afc50e59912a6869c1cac8ae22c4
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 67b3d341d8abc2e1b5daad939b36fcc2e406afc50e59912a6869c1cac8ae22c4
  • MD5: ae9aa3c0d60790066afc3c9bc426b81e

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: 67b3d341d8abc2e1"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "67b3d341d8abc2e1b5daad939b36fcc2e406afc50e59912a6869c1cac8ae22c4"
}

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 67b3d341d8abc2e1b5daad939b36fcc2e406afc50e59912a6869c1cac8ae22c4 # MD5 ae9aa3c0d60790066afc3c9bc426b81e
TypeValueNote
sha256 67b3d341d8abc2e1b5daad939b36fcc2e406afc50e59912a6869c1cac8ae22c4 Sample:GandCrab
md5 ae9aa3c0d60790066afc3c9bc426b81e Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi