GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2566cd83306db3493aa5f6dcac4f6b1dfab2170a4f81d30f7a28a21c8b6264517e2
MD5284408a0979cfe9958dedab54f28b3e6
File Typeexe
Size73.5 KB
First Seen2022-08-30
File Name6cd83306db3493aa5f6dcac4f6b1dfab2170a4f81d30f7a28a21c8b6264517e2
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 6cd83306db3493aa5f6dcac4f6b1dfab2170a4f81d30f7a28a21c8b6264517e2
  • MD5: 284408a0979cfe9958dedab54f28b3e6

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: 6cd83306db3493aa"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "6cd83306db3493aa5f6dcac4f6b1dfab2170a4f81d30f7a28a21c8b6264517e2"
}

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 6cd83306db3493aa5f6dcac4f6b1dfab2170a4f81d30f7a28a21c8b6264517e2 # MD5 284408a0979cfe9958dedab54f28b3e6
TypeValueNote
sha256 6cd83306db3493aa5f6dcac4f6b1dfab2170a4f81d30f7a28a21c8b6264517e2 Sample:GandCrab
md5 284408a0979cfe9958dedab54f28b3e6 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi