GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2568bb6aca4c4e10bffca8faa44252be00cd03add6b0fb054a4302fb2d2793e8451
MD565b4a301f614dec90c2653ad60912623
File Typeexe
Size69.5 KB
First Seen2022-08-30
File Name8bb6aca4c4e10bffca8faa44252be00cd03add6b0fb054a4302fb2d2793e8451
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 8bb6aca4c4e10bffca8faa44252be00cd03add6b0fb054a4302fb2d2793e8451
  • MD5: 65b4a301f614dec90c2653ad60912623

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: 8bb6aca4c4e10bff"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "8bb6aca4c4e10bffca8faa44252be00cd03add6b0fb054a4302fb2d2793e8451"
}

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 8bb6aca4c4e10bffca8faa44252be00cd03add6b0fb054a4302fb2d2793e8451 # MD5 65b4a301f614dec90c2653ad60912623
TypeValueNote
sha256 8bb6aca4c4e10bffca8faa44252be00cd03add6b0fb054a4302fb2d2793e8451 Sample:GandCrab
md5 65b4a301f614dec90c2653ad60912623 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi