GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256ad53f0a8f48af53a6587cc39c3c1ed31724e15864cdfaf0e8a57b5d1504b43a1
MD5a78bcaaad610a182bc6da8966849f651
File Typeexe
Size70.0 KB
First Seen2022-08-30
File Namead53f0a8f48af53a6587cc39c3c1ed31724e15864cdfaf0e8a57b5d1504b43a1
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: ad53f0a8f48af53a6587cc39c3c1ed31724e15864cdfaf0e8a57b5d1504b43a1
  • MD5: a78bcaaad610a182bc6da8966849f651

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: ad53f0a8f48af53a"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "ad53f0a8f48af53a6587cc39c3c1ed31724e15864cdfaf0e8a57b5d1504b43a1"
}

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 ad53f0a8f48af53a6587cc39c3c1ed31724e15864cdfaf0e8a57b5d1504b43a1 # MD5 a78bcaaad610a182bc6da8966849f651
TypeValueNote
sha256 ad53f0a8f48af53a6587cc39c3c1ed31724e15864cdfaf0e8a57b5d1504b43a1 Sample:GandCrab
md5 a78bcaaad610a182bc6da8966849f651 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi