GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA25637e5d6bfc3726c163f96b0cff7e110bf120d0186447a19bb3573ae8ff20a54da
MD5bde269e316c6048a3ba0c0c1af1d9d85
File Typeexe
Size69.5 KB
First Seen2022-08-30
File Name37e5d6bfc3726c163f96b0cff7e110bf120d0186447a19bb3573ae8ff20a54da
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 37e5d6bfc3726c163f96b0cff7e110bf120d0186447a19bb3573ae8ff20a54da
  • MD5: bde269e316c6048a3ba0c0c1af1d9d85

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: 37e5d6bfc3726c16"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "37e5d6bfc3726c163f96b0cff7e110bf120d0186447a19bb3573ae8ff20a54da"
}

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 37e5d6bfc3726c163f96b0cff7e110bf120d0186447a19bb3573ae8ff20a54da # MD5 bde269e316c6048a3ba0c0c1af1d9d85
TypeValueNote
sha256 37e5d6bfc3726c163f96b0cff7e110bf120d0186447a19bb3573ae8ff20a54da Sample:GandCrab
md5 bde269e316c6048a3ba0c0c1af1d9d85 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi