GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256eae8d675873bd846302263fdca95db805b560d3406ec964f76b2d4123f78b59a
MD5dde91b6947d2b726e5bb8f5852cecb76
File Typeexe
Size73.5 KB
First Seen2022-08-30
File Nameeae8d675873bd846302263fdca95db805b560d3406ec964f76b2d4123f78b59a
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: eae8d675873bd846302263fdca95db805b560d3406ec964f76b2d4123f78b59a
  • MD5: dde91b6947d2b726e5bb8f5852cecb76

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: eae8d675873bd846"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "eae8d675873bd846302263fdca95db805b560d3406ec964f76b2d4123f78b59a"
}

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 eae8d675873bd846302263fdca95db805b560d3406ec964f76b2d4123f78b59a # MD5 dde91b6947d2b726e5bb8f5852cecb76
TypeValueNote
sha256 eae8d675873bd846302263fdca95db805b560d3406ec964f76b2d4123f78b59a Sample:GandCrab
md5 dde91b6947d2b726e5bb8f5852cecb76 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi