GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA25623957fe15214a4ac28e94dad16707e3dc3e9447fcea7ea4affc87a9f4a2f8b05
MD5bd4b74e1a336925ea9f1f652b3c42fc0
File Typeexe
Size73.5 KB
First Seen2022-08-30
File Name23957fe15214a4ac28e94dad16707e3dc3e9447fcea7ea4affc87a9f4a2f8b05
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 23957fe15214a4ac28e94dad16707e3dc3e9447fcea7ea4affc87a9f4a2f8b05
  • MD5: bd4b74e1a336925ea9f1f652b3c42fc0

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: 23957fe15214a4ac"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "23957fe15214a4ac28e94dad16707e3dc3e9447fcea7ea4affc87a9f4a2f8b05"
}

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 23957fe15214a4ac28e94dad16707e3dc3e9447fcea7ea4affc87a9f4a2f8b05 # MD5 bd4b74e1a336925ea9f1f652b3c42fc0
TypeValueNote
sha256 23957fe15214a4ac28e94dad16707e3dc3e9447fcea7ea4affc87a9f4a2f8b05 Sample:GandCrab
md5 bd4b74e1a336925ea9f1f652b3c42fc0 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi