GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256cd28bc1ea9b95b7f13e30ff5737a86a1a004d548b199574c0e63c8d6d47eabf5
MD5d8605e75c6f10fc362f3dc70fa5a9d88
File Typeexe
Size73.5 KB
First Seen2022-08-30
File Namecd28bc1ea9b95b7f13e30ff5737a86a1a004d548b199574c0e63c8d6d47eabf5
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: cd28bc1ea9b95b7f13e30ff5737a86a1a004d548b199574c0e63c8d6d47eabf5
  • MD5: d8605e75c6f10fc362f3dc70fa5a9d88

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: cd28bc1ea9b95b7f"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "cd28bc1ea9b95b7f13e30ff5737a86a1a004d548b199574c0e63c8d6d47eabf5"
}

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 cd28bc1ea9b95b7f13e30ff5737a86a1a004d548b199574c0e63c8d6d47eabf5 # MD5 d8605e75c6f10fc362f3dc70fa5a9d88
TypeValueNote
sha256 cd28bc1ea9b95b7f13e30ff5737a86a1a004d548b199574c0e63c8d6d47eabf5 Sample:GandCrab
md5 d8605e75c6f10fc362f3dc70fa5a9d88 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi