GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256212df6372db3ff5619ecd733adc7e2e592f29fc5828eeaa713a218b3f4a97422
MD5dd889d8661e3b76eb724de0e2a6fc0e0
File Typeexe
Size97.5 KB
First Seen2022-08-30
File Name212df6372db3ff5619ecd733adc7e2e592f29fc5828eeaa713a218b3f4a97422
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 212df6372db3ff5619ecd733adc7e2e592f29fc5828eeaa713a218b3f4a97422
  • MD5: dd889d8661e3b76eb724de0e2a6fc0e0

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: 212df6372db3ff56"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "212df6372db3ff5619ecd733adc7e2e592f29fc5828eeaa713a218b3f4a97422"
}

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 212df6372db3ff5619ecd733adc7e2e592f29fc5828eeaa713a218b3f4a97422 # MD5 dd889d8661e3b76eb724de0e2a6fc0e0
TypeValueNote
sha256 212df6372db3ff5619ecd733adc7e2e592f29fc5828eeaa713a218b3f4a97422 Sample:GandCrab
md5 dd889d8661e3b76eb724de0e2a6fc0e0 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi