GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256eb1968d6ee8eb2f9f172572c23dd502e617e739d1c8e0fe405f84e83a8f6f5ac
MD5eb58b748c1a06526eb37cdd6f2cf2e27
File Typeexe
Size73.5 KB
First Seen2022-08-30
File Nameeb1968d6ee8eb2f9f172572c23dd502e617e739d1c8e0fe405f84e83a8f6f5ac
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: eb1968d6ee8eb2f9f172572c23dd502e617e739d1c8e0fe405f84e83a8f6f5ac
  • MD5: eb58b748c1a06526eb37cdd6f2cf2e27

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: eb1968d6ee8eb2f9"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "eb1968d6ee8eb2f9f172572c23dd502e617e739d1c8e0fe405f84e83a8f6f5ac"
}

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 eb1968d6ee8eb2f9f172572c23dd502e617e739d1c8e0fe405f84e83a8f6f5ac # MD5 eb58b748c1a06526eb37cdd6f2cf2e27
TypeValueNote
sha256 eb1968d6ee8eb2f9f172572c23dd502e617e739d1c8e0fe405f84e83a8f6f5ac Sample:GandCrab
md5 eb58b748c1a06526eb37cdd6f2cf2e27 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi