GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256752975cc1b5b8956ad92195a6b9a342184eb788c41296db31ee7da86b8e653ee
MD533bba20a5ffeb19f5d6b6879a10bfadd
File Typeexe
Size73.5 KB
First Seen2022-08-30
File Name752975cc1b5b8956ad92195a6b9a342184eb788c41296db31ee7da86b8e653ee
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 752975cc1b5b8956ad92195a6b9a342184eb788c41296db31ee7da86b8e653ee
  • MD5: 33bba20a5ffeb19f5d6b6879a10bfadd

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: 752975cc1b5b8956"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "752975cc1b5b8956ad92195a6b9a342184eb788c41296db31ee7da86b8e653ee"
}

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 752975cc1b5b8956ad92195a6b9a342184eb788c41296db31ee7da86b8e653ee # MD5 33bba20a5ffeb19f5d6b6879a10bfadd
TypeValueNote
sha256 752975cc1b5b8956ad92195a6b9a342184eb788c41296db31ee7da86b8e653ee Sample:GandCrab
md5 33bba20a5ffeb19f5d6b6879a10bfadd Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi