GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256f37976ef6324372e239b714b7f76f2cc7f3ab0a7f7801162ac4d25a247cdf8f9
MD59623b7c847f1930af0b2b2e19c35de74
File Typeexe
Size266.5 KB
First Seen2023-01-24
File Nameapplication.exe
Tagsexe, Gandcrab, Ransomware

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: f37976ef6324372e239b714b7f76f2cc7f3ab0a7f7801162ac4d25a247cdf8f9
  • MD5: 9623b7c847f1930af0b2b2e19c35de74

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: f37976ef6324372e"
        threat_level = "critical"
        first_seen = "2023-01-24"
    condition:
        hash.sha256(0, filesize) == "f37976ef6324372e239b714b7f76f2cc7f3ab0a7f7801162ac4d25a247cdf8f9"
}

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 f37976ef6324372e239b714b7f76f2cc7f3ab0a7f7801162ac4d25a247cdf8f9 # MD5 9623b7c847f1930af0b2b2e19c35de74
TypeValueNote
sha256 f37976ef6324372e239b714b7f76f2cc7f3ab0a7f7801162ac4d25a247cdf8f9 Sample:GandCrab
md5 9623b7c847f1930af0b2b2e19c35de74 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi