GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2565f746bd65a7be0731f8b055aeee8193c714120f1ba2cb5ea5e80151d61f79a87
MD5d11040fb4d803ec2a992712b3d13ebed
File Typeexe
Size70.0 KB
First Seen2022-08-30
File Name5f746bd65a7be0731f8b055aeee8193c714120f1ba2cb5ea5e80151d61f79a87
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 5f746bd65a7be0731f8b055aeee8193c714120f1ba2cb5ea5e80151d61f79a87
  • MD5: d11040fb4d803ec2a992712b3d13ebed

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: 5f746bd65a7be073"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "5f746bd65a7be0731f8b055aeee8193c714120f1ba2cb5ea5e80151d61f79a87"
}

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 5f746bd65a7be0731f8b055aeee8193c714120f1ba2cb5ea5e80151d61f79a87 # MD5 d11040fb4d803ec2a992712b3d13ebed
TypeValueNote
sha256 5f746bd65a7be0731f8b055aeee8193c714120f1ba2cb5ea5e80151d61f79a87 Sample:GandCrab
md5 d11040fb4d803ec2a992712b3d13ebed Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi