GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2560504b47a0934ddea71d47d457423b505c972a87b9314b9bfbd28a49e791a1677
MD52d7ec800116f29e8d616483774fbf885
File Typeexe
Size69.5 KB
First Seen2022-08-30
File Name0504b47a0934ddea71d47d457423b505c972a87b9314b9bfbd28a49e791a1677
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 0504b47a0934ddea71d47d457423b505c972a87b9314b9bfbd28a49e791a1677
  • MD5: 2d7ec800116f29e8d616483774fbf885

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: 0504b47a0934ddea"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "0504b47a0934ddea71d47d457423b505c972a87b9314b9bfbd28a49e791a1677"
}

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 0504b47a0934ddea71d47d457423b505c972a87b9314b9bfbd28a49e791a1677 # MD5 2d7ec800116f29e8d616483774fbf885
TypeValueNote
sha256 0504b47a0934ddea71d47d457423b505c972a87b9314b9bfbd28a49e791a1677 Sample:GandCrab
md5 2d7ec800116f29e8d616483774fbf885 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi