GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2566c26f59f5f4471640e61c9c9817e8433ad8cc1e5f58323ff32636c0f046bb581
MD524dda59ac04734b5049f16ea9118c1bf
File Typeexe
Size69.5 KB
First Seen2022-08-30
File Name6c26f59f5f4471640e61c9c9817e8433ad8cc1e5f58323ff32636c0f046bb581
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 6c26f59f5f4471640e61c9c9817e8433ad8cc1e5f58323ff32636c0f046bb581
  • MD5: 24dda59ac04734b5049f16ea9118c1bf

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: 6c26f59f5f447164"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "6c26f59f5f4471640e61c9c9817e8433ad8cc1e5f58323ff32636c0f046bb581"
}

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 6c26f59f5f4471640e61c9c9817e8433ad8cc1e5f58323ff32636c0f046bb581 # MD5 24dda59ac04734b5049f16ea9118c1bf
TypeValueNote
sha256 6c26f59f5f4471640e61c9c9817e8433ad8cc1e5f58323ff32636c0f046bb581 Sample:GandCrab
md5 24dda59ac04734b5049f16ea9118c1bf Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi