GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA25633e498cb2abf660aac8a34fd07409ec5d3c25470631d4bdd2f2c872945a16195
MD5bcc84a179c9640f7ce0e898c2d881387
File Typeexe
Size97.5 KB
First Seen2022-08-30
File Name33e498cb2abf660aac8a34fd07409ec5d3c25470631d4bdd2f2c872945a16195
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 33e498cb2abf660aac8a34fd07409ec5d3c25470631d4bdd2f2c872945a16195
  • MD5: bcc84a179c9640f7ce0e898c2d881387

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: 33e498cb2abf660a"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "33e498cb2abf660aac8a34fd07409ec5d3c25470631d4bdd2f2c872945a16195"
}

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 33e498cb2abf660aac8a34fd07409ec5d3c25470631d4bdd2f2c872945a16195 # MD5 bcc84a179c9640f7ce0e898c2d881387
TypeValueNote
sha256 33e498cb2abf660aac8a34fd07409ec5d3c25470631d4bdd2f2c872945a16195 Sample:GandCrab
md5 bcc84a179c9640f7ce0e898c2d881387 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi