GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA25623bc1f175ffeb73fc50eae1015eeddfb7790f8509a5b80996321a57b458e412b
MD5d8982d28872f2e0cda32bdd981847234
File Typeexe
Size70.0 KB
First Seen2022-08-30
File Name23bc1f175ffeb73fc50eae1015eeddfb7790f8509a5b80996321a57b458e412b
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 23bc1f175ffeb73fc50eae1015eeddfb7790f8509a5b80996321a57b458e412b
  • MD5: d8982d28872f2e0cda32bdd981847234

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: 23bc1f175ffeb73f"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "23bc1f175ffeb73fc50eae1015eeddfb7790f8509a5b80996321a57b458e412b"
}

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 23bc1f175ffeb73fc50eae1015eeddfb7790f8509a5b80996321a57b458e412b # MD5 d8982d28872f2e0cda32bdd981847234
TypeValueNote
sha256 23bc1f175ffeb73fc50eae1015eeddfb7790f8509a5b80996321a57b458e412b Sample:GandCrab
md5 d8982d28872f2e0cda32bdd981847234 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi