GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256464aab6cde782fd49bf03c4b28072f8ebb4c19f0f9900483351142b7a9474899
MD574d023c83b730a62f9ac6355e7d88f23
File Typeexe
Size70.0 KB
First Seen2022-08-30
File Name464aab6cde782fd49bf03c4b28072f8ebb4c19f0f9900483351142b7a9474899
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 464aab6cde782fd49bf03c4b28072f8ebb4c19f0f9900483351142b7a9474899
  • MD5: 74d023c83b730a62f9ac6355e7d88f23

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: 464aab6cde782fd4"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "464aab6cde782fd49bf03c4b28072f8ebb4c19f0f9900483351142b7a9474899"
}

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 464aab6cde782fd49bf03c4b28072f8ebb4c19f0f9900483351142b7a9474899 # MD5 74d023c83b730a62f9ac6355e7d88f23
TypeValueNote
sha256 464aab6cde782fd49bf03c4b28072f8ebb4c19f0f9900483351142b7a9474899 Sample:GandCrab
md5 74d023c83b730a62f9ac6355e7d88f23 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi