GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256f0b64d68e3a24e02858b8f42218b4d6efe1fc9e76fd6a96e62aaec7850e1e10a
MD54a441fc58c0b89a8610e273242a69e59
File Typeexe
Size70.0 KB
First Seen2022-08-30
File Namef0b64d68e3a24e02858b8f42218b4d6efe1fc9e76fd6a96e62aaec7850e1e10a
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: f0b64d68e3a24e02858b8f42218b4d6efe1fc9e76fd6a96e62aaec7850e1e10a
  • MD5: 4a441fc58c0b89a8610e273242a69e59

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: f0b64d68e3a24e02"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "f0b64d68e3a24e02858b8f42218b4d6efe1fc9e76fd6a96e62aaec7850e1e10a"
}

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 f0b64d68e3a24e02858b8f42218b4d6efe1fc9e76fd6a96e62aaec7850e1e10a # MD5 4a441fc58c0b89a8610e273242a69e59
TypeValueNote
sha256 f0b64d68e3a24e02858b8f42218b4d6efe1fc9e76fd6a96e62aaec7850e1e10a Sample:GandCrab
md5 4a441fc58c0b89a8610e273242a69e59 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi