GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2565ec6cbf1b50d83e7b1229f948c9ae6e04d9a46335b467065ad536271e188888d
MD5a021fe19d4b5b55221525e902bb6150c
File Typeexe
Size70.0 KB
First Seen2022-08-30
File Name5ec6cbf1b50d83e7b1229f948c9ae6e04d9a46335b467065ad536271e188888d
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 5ec6cbf1b50d83e7b1229f948c9ae6e04d9a46335b467065ad536271e188888d
  • MD5: a021fe19d4b5b55221525e902bb6150c

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: 5ec6cbf1b50d83e7"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "5ec6cbf1b50d83e7b1229f948c9ae6e04d9a46335b467065ad536271e188888d"
}

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 5ec6cbf1b50d83e7b1229f948c9ae6e04d9a46335b467065ad536271e188888d # MD5 a021fe19d4b5b55221525e902bb6150c
TypeValueNote
sha256 5ec6cbf1b50d83e7b1229f948c9ae6e04d9a46335b467065ad536271e188888d Sample:GandCrab
md5 a021fe19d4b5b55221525e902bb6150c Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi