GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA25602f5c32fa22fdc43924718b66ff5aec3115f5d0e1d7bb873b1cd2440eee016d6
MD558d6eab3aafd9139a2f1c7606ecd4cef
File Typeexe
Size70.0 KB
First Seen2023-04-23
File Name2023-04-22_58d6eab3aafd9139a2f1c7606ecd4cef_gandcrab
TagsGandcrab, 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: 02f5c32fa22fdc43924718b66ff5aec3115f5d0e1d7bb873b1cd2440eee016d6
  • MD5: 58d6eab3aafd9139a2f1c7606ecd4cef

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: 02f5c32fa22fdc43"
        threat_level = "critical"
        first_seen = "2023-04-23"
    condition:
        hash.sha256(0, filesize) == "02f5c32fa22fdc43924718b66ff5aec3115f5d0e1d7bb873b1cd2440eee016d6"
}

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 02f5c32fa22fdc43924718b66ff5aec3115f5d0e1d7bb873b1cd2440eee016d6 # MD5 58d6eab3aafd9139a2f1c7606ecd4cef
TypeValueNote
sha256 02f5c32fa22fdc43924718b66ff5aec3115f5d0e1d7bb873b1cd2440eee016d6 Sample:GandCrab
md5 58d6eab3aafd9139a2f1c7606ecd4cef Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi