GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2564be3a00a7caad3e71e98e9f9b70ad0aefd32db0ca1d223e069a35ffd4395c57e
MD554595b05789d55e36856ce1d060add27
File Typeexe
Size70.0 KB
First Seen2022-08-30
File Name4be3a00a7caad3e71e98e9f9b70ad0aefd32db0ca1d223e069a35ffd4395c57e
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 4be3a00a7caad3e71e98e9f9b70ad0aefd32db0ca1d223e069a35ffd4395c57e
  • MD5: 54595b05789d55e36856ce1d060add27

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: 4be3a00a7caad3e7"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "4be3a00a7caad3e71e98e9f9b70ad0aefd32db0ca1d223e069a35ffd4395c57e"
}

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 4be3a00a7caad3e71e98e9f9b70ad0aefd32db0ca1d223e069a35ffd4395c57e # MD5 54595b05789d55e36856ce1d060add27
TypeValueNote
sha256 4be3a00a7caad3e71e98e9f9b70ad0aefd32db0ca1d223e069a35ffd4395c57e Sample:GandCrab
md5 54595b05789d55e36856ce1d060add27 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi