GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2560a625bc28a1540f9c3798056f333f3fe625b42cccfb5ca4eecc01b4e8a1935f0
MD5e913506fd71611a6cc46629f7c9b25ab
File Typeexe
Size73.5 KB
First Seen2022-08-30
File Name0a625bc28a1540f9c3798056f333f3fe625b42cccfb5ca4eecc01b4e8a1935f0
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 0a625bc28a1540f9c3798056f333f3fe625b42cccfb5ca4eecc01b4e8a1935f0
  • MD5: e913506fd71611a6cc46629f7c9b25ab

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: 0a625bc28a1540f9"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "0a625bc28a1540f9c3798056f333f3fe625b42cccfb5ca4eecc01b4e8a1935f0"
}

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 0a625bc28a1540f9c3798056f333f3fe625b42cccfb5ca4eecc01b4e8a1935f0 # MD5 e913506fd71611a6cc46629f7c9b25ab
TypeValueNote
sha256 0a625bc28a1540f9c3798056f333f3fe625b42cccfb5ca4eecc01b4e8a1935f0 Sample:GandCrab
md5 e913506fd71611a6cc46629f7c9b25ab Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi