GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256f2a5b0372db7cdf35972f54357a912f2a015f7597a1d509105017e22789a79ac
MD58e1a143087bca0309a4a35485c2da03c
File Typeexe
Size70.0 KB
First Seen2022-08-30
File Namef2a5b0372db7cdf35972f54357a912f2a015f7597a1d509105017e22789a79ac
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: f2a5b0372db7cdf35972f54357a912f2a015f7597a1d509105017e22789a79ac
  • MD5: 8e1a143087bca0309a4a35485c2da03c

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: f2a5b0372db7cdf3"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "f2a5b0372db7cdf35972f54357a912f2a015f7597a1d509105017e22789a79ac"
}

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 f2a5b0372db7cdf35972f54357a912f2a015f7597a1d509105017e22789a79ac # MD5 8e1a143087bca0309a4a35485c2da03c
TypeValueNote
sha256 f2a5b0372db7cdf35972f54357a912f2a015f7597a1d509105017e22789a79ac Sample:GandCrab
md5 8e1a143087bca0309a4a35485c2da03c Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi