GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2567ac56faee87e0c2725e1777af84f6415dd245d753f1f55016f4ad59c6734b2f3
MD5229635c8475d233c2406322308c34994
File Typeexe
Size70.0 KB
First Seen2022-08-30
File Name7ac56faee87e0c2725e1777af84f6415dd245d753f1f55016f4ad59c6734b2f3
Tagsexe, Gandcrab

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: 7ac56faee87e0c2725e1777af84f6415dd245d753f1f55016f4ad59c6734b2f3
  • MD5: 229635c8475d233c2406322308c34994

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: 7ac56faee87e0c27"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "7ac56faee87e0c2725e1777af84f6415dd245d753f1f55016f4ad59c6734b2f3"
}

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 7ac56faee87e0c2725e1777af84f6415dd245d753f1f55016f4ad59c6734b2f3 # MD5 229635c8475d233c2406322308c34994
TypeValueNote
sha256 7ac56faee87e0c2725e1777af84f6415dd245d753f1f55016f4ad59c6734b2f3 Sample:GandCrab
md5 229635c8475d233c2406322308c34994 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi