GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2562eb4e7bce553dfbcd00fdaae894919322240f24fa44bd6357ac16e5a2399b759
MD5d548515b245c47c3bc86a76951bc9d5e
File Typeexe
Size97.5 KB
First Seen2022-08-30
File Name2eb4e7bce553dfbcd00fdaae894919322240f24fa44bd6357ac16e5a2399b759
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, en yaygın eski ransomware'dir.

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

Threat Indicators (IOC)

  • SHA256: 2eb4e7bce553dfbcd00fdaae894919322240f24fa44bd6357ac16e5a2399b759
  • MD5: d548515b245c47c3bc86a76951bc9d5e

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: 2eb4e7bce553dfbc"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "2eb4e7bce553dfbcd00fdaae894919322240f24fa44bd6357ac16e5a2399b759"
}

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 2eb4e7bce553dfbcd00fdaae894919322240f24fa44bd6357ac16e5a2399b759 # MD5 d548515b245c47c3bc86a76951bc9d5e
TypeValueNote
sha256 2eb4e7bce553dfbcd00fdaae894919322240f24fa44bd6357ac16e5a2399b759 Sample:GandCrab
md5 d548515b245c47c3bc86a76951bc9d5e Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi