GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2568e47a8e40b7c09312ed4d7d8e5d71e3b1f8174bff242184f79f55797621581f5
MD5ffbde92181ee94b828c744c01cec6d77
File Typeexe
Size70.0 KB
First Seen2022-08-30
File Name8e47a8e40b7c09312ed4d7d8e5d71e3b1f8174bff242184f79f55797621581f5
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 8e47a8e40b7c09312ed4d7d8e5d71e3b1f8174bff242184f79f55797621581f5
  • MD5: ffbde92181ee94b828c744c01cec6d77

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: 8e47a8e40b7c0931"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "8e47a8e40b7c09312ed4d7d8e5d71e3b1f8174bff242184f79f55797621581f5"
}

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 8e47a8e40b7c09312ed4d7d8e5d71e3b1f8174bff242184f79f55797621581f5 # MD5 ffbde92181ee94b828c744c01cec6d77
TypeValueNote
sha256 8e47a8e40b7c09312ed4d7d8e5d71e3b1f8174bff242184f79f55797621581f5 Sample:GandCrab
md5 ffbde92181ee94b828c744c01cec6d77 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi