GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256e41ddb153abf4429fd1faa62a1ad45605ed37373bca99d46b3042c2c4c8dbe09
MD5291c047431f20cf83144608e310bb438
File Typeexe
Size69.5 KB
First Seen2022-08-30
File Namee41ddb153abf4429fd1faa62a1ad45605ed37373bca99d46b3042c2c4c8dbe09
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: e41ddb153abf4429fd1faa62a1ad45605ed37373bca99d46b3042c2c4c8dbe09
  • MD5: 291c047431f20cf83144608e310bb438

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: e41ddb153abf4429"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "e41ddb153abf4429fd1faa62a1ad45605ed37373bca99d46b3042c2c4c8dbe09"
}

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 e41ddb153abf4429fd1faa62a1ad45605ed37373bca99d46b3042c2c4c8dbe09 # MD5 291c047431f20cf83144608e310bb438
TypeValueNote
sha256 e41ddb153abf4429fd1faa62a1ad45605ed37373bca99d46b3042c2c4c8dbe09 Sample:GandCrab
md5 291c047431f20cf83144608e310bb438 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi