GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2561c16b204dd52d4d3fab6113f20a43c29ff74db2746798b88bfd8f4214ac95cc5
MD5d8029e1465ce1c847c658c71f7711bde
File Typeexe
Size145.5 KB
First Seen2024-09-30
File Namefile
Tagsexe, Gandcrab, Ransomware

Malware Family: GandCrab

GandCrab, en yaygın eski ransomware'dir.

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

Threat Indicators (IOC)

  • SHA256: 1c16b204dd52d4d3fab6113f20a43c29ff74db2746798b88bfd8f4214ac95cc5
  • MD5: d8029e1465ce1c847c658c71f7711bde

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: 1c16b204dd52d4d3"
        threat_level = "critical"
        first_seen = "2024-09-30"
    condition:
        hash.sha256(0, filesize) == "1c16b204dd52d4d3fab6113f20a43c29ff74db2746798b88bfd8f4214ac95cc5"
}

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 1c16b204dd52d4d3fab6113f20a43c29ff74db2746798b88bfd8f4214ac95cc5 # MD5 d8029e1465ce1c847c658c71f7711bde
TypeValueNote
sha256 1c16b204dd52d4d3fab6113f20a43c29ff74db2746798b88bfd8f4214ac95cc5 Sample:GandCrab
md5 d8029e1465ce1c847c658c71f7711bde Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi