GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256cc84b18fa52ede77bc71c45a9213f6f4ce11e596124078a82ff78ce884f3982a
MD5909381a17d4197cb4b4b04600ec88182
File Typeexe
Size69.5 KB
First Seen2022-08-30
File Namecc84b18fa52ede77bc71c45a9213f6f4ce11e596124078a82ff78ce884f3982a
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: cc84b18fa52ede77bc71c45a9213f6f4ce11e596124078a82ff78ce884f3982a
  • MD5: 909381a17d4197cb4b4b04600ec88182

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: cc84b18fa52ede77"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "cc84b18fa52ede77bc71c45a9213f6f4ce11e596124078a82ff78ce884f3982a"
}

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 cc84b18fa52ede77bc71c45a9213f6f4ce11e596124078a82ff78ce884f3982a # MD5 909381a17d4197cb4b4b04600ec88182
TypeValueNote
sha256 cc84b18fa52ede77bc71c45a9213f6f4ce11e596124078a82ff78ce884f3982a Sample:GandCrab
md5 909381a17d4197cb4b4b04600ec88182 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi