GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256d6acd45d436194b8e608537e61adcae5a4e6c422cc49fbcb8266c797e8e7c076
MD502bdc472976b80325ad3f0eb1f62ef0d
File Typeexe
Size70.0 KB
First Seen2023-04-19
File Name2023-04-18_02bdc472976b80325ad3f0eb1f62ef0d_gandcrab
TagsGandcrab

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: d6acd45d436194b8e608537e61adcae5a4e6c422cc49fbcb8266c797e8e7c076
  • MD5: 02bdc472976b80325ad3f0eb1f62ef0d

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: d6acd45d436194b8"
        threat_level = "critical"
        first_seen = "2023-04-19"
    condition:
        hash.sha256(0, filesize) == "d6acd45d436194b8e608537e61adcae5a4e6c422cc49fbcb8266c797e8e7c076"
}

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 d6acd45d436194b8e608537e61adcae5a4e6c422cc49fbcb8266c797e8e7c076 # MD5 02bdc472976b80325ad3f0eb1f62ef0d
TypeValueNote
sha256 d6acd45d436194b8e608537e61adcae5a4e6c422cc49fbcb8266c797e8e7c076 Sample:GandCrab
md5 02bdc472976b80325ad3f0eb1f62ef0d Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi