GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2564b0046a8073f9e31d0df712fa91ae39aa7788b8f060ab4856315f1353210d8eb
MD58eb606ac3150c7f23eea7ccba17f00e4
File Typeexe
Size70.0 KB
First Seen2022-08-30
File Name4b0046a8073f9e31d0df712fa91ae39aa7788b8f060ab4856315f1353210d8eb
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 4b0046a8073f9e31d0df712fa91ae39aa7788b8f060ab4856315f1353210d8eb
  • MD5: 8eb606ac3150c7f23eea7ccba17f00e4

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: 4b0046a8073f9e31"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "4b0046a8073f9e31d0df712fa91ae39aa7788b8f060ab4856315f1353210d8eb"
}

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 4b0046a8073f9e31d0df712fa91ae39aa7788b8f060ab4856315f1353210d8eb # MD5 8eb606ac3150c7f23eea7ccba17f00e4
TypeValueNote
sha256 4b0046a8073f9e31d0df712fa91ae39aa7788b8f060ab4856315f1353210d8eb Sample:GandCrab
md5 8eb606ac3150c7f23eea7ccba17f00e4 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi