GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256fa1364b764ca11cb3870bc5598303b96bb569b22463730fc1cd0c6cc0e14cb90
MD5a6abd31f5fedbb9609b8b6c0682caf8a
File Typeexe
Size70.0 KB
First Seen2022-08-30
File Namefa1364b764ca11cb3870bc5598303b96bb569b22463730fc1cd0c6cc0e14cb90
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: fa1364b764ca11cb3870bc5598303b96bb569b22463730fc1cd0c6cc0e14cb90
  • MD5: a6abd31f5fedbb9609b8b6c0682caf8a

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: fa1364b764ca11cb"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "fa1364b764ca11cb3870bc5598303b96bb569b22463730fc1cd0c6cc0e14cb90"
}

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 fa1364b764ca11cb3870bc5598303b96bb569b22463730fc1cd0c6cc0e14cb90 # MD5 a6abd31f5fedbb9609b8b6c0682caf8a
TypeValueNote
sha256 fa1364b764ca11cb3870bc5598303b96bb569b22463730fc1cd0c6cc0e14cb90 Sample:GandCrab
md5 a6abd31f5fedbb9609b8b6c0682caf8a Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi