GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2569e9e0f954c3c5707140945cd67eb9fd26c4f131f78bf6048241cb574646010a6
MD54c91f1e72413e88553d1c547cc57157c
File Typeexe
Size97.5 KB
First Seen2022-08-30
File Name9e9e0f954c3c5707140945cd67eb9fd26c4f131f78bf6048241cb574646010a6
Tagsexe, Gandcrab

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: 9e9e0f954c3c5707140945cd67eb9fd26c4f131f78bf6048241cb574646010a6
  • MD5: 4c91f1e72413e88553d1c547cc57157c

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: 9e9e0f954c3c5707"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "9e9e0f954c3c5707140945cd67eb9fd26c4f131f78bf6048241cb574646010a6"
}

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 9e9e0f954c3c5707140945cd67eb9fd26c4f131f78bf6048241cb574646010a6 # MD5 4c91f1e72413e88553d1c547cc57157c
TypeValueNote
sha256 9e9e0f954c3c5707140945cd67eb9fd26c4f131f78bf6048241cb574646010a6 Sample:GandCrab
md5 4c91f1e72413e88553d1c547cc57157c Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi