GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256e30f11b943d728edf1cf0fd36815cd6cb537a8d8dffb40dbe231e7b880374766
MD536ccad74ff6b111624794d49fd391c2d
File Typeexe
Size70.0 KB
First Seen2022-08-30
File Namee30f11b943d728edf1cf0fd36815cd6cb537a8d8dffb40dbe231e7b880374766
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: e30f11b943d728edf1cf0fd36815cd6cb537a8d8dffb40dbe231e7b880374766
  • MD5: 36ccad74ff6b111624794d49fd391c2d

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: e30f11b943d728ed"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "e30f11b943d728edf1cf0fd36815cd6cb537a8d8dffb40dbe231e7b880374766"
}

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 e30f11b943d728edf1cf0fd36815cd6cb537a8d8dffb40dbe231e7b880374766 # MD5 36ccad74ff6b111624794d49fd391c2d
TypeValueNote
sha256 e30f11b943d728edf1cf0fd36815cd6cb537a8d8dffb40dbe231e7b880374766 Sample:GandCrab
md5 36ccad74ff6b111624794d49fd391c2d Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi