GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2564f8e6a5691750d8a313f78690a5455f1a58bac2ebe408f97473b03c0d706b25b
MD5ceea0a6a1b234047f4d6e5de5bacea30
File Typeexe
Size70.0 KB
First Seen2022-08-30
File Name4f8e6a5691750d8a313f78690a5455f1a58bac2ebe408f97473b03c0d706b25b
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 4f8e6a5691750d8a313f78690a5455f1a58bac2ebe408f97473b03c0d706b25b
  • MD5: ceea0a6a1b234047f4d6e5de5bacea30

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: 4f8e6a5691750d8a"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "4f8e6a5691750d8a313f78690a5455f1a58bac2ebe408f97473b03c0d706b25b"
}

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 4f8e6a5691750d8a313f78690a5455f1a58bac2ebe408f97473b03c0d706b25b # MD5 ceea0a6a1b234047f4d6e5de5bacea30
TypeValueNote
sha256 4f8e6a5691750d8a313f78690a5455f1a58bac2ebe408f97473b03c0d706b25b Sample:GandCrab
md5 ceea0a6a1b234047f4d6e5de5bacea30 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi