GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2562942841f850c59c1f7bedd1922aca54c886bad1eb51b90b32af7d6b6b6e5cab4
MD549f8142aaabbb1b95deaeed7d0307b6f
File Typeexe
Size69.5 KB
First Seen2022-08-30
File Name2942841f850c59c1f7bedd1922aca54c886bad1eb51b90b32af7d6b6b6e5cab4
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, en yaygın eski ransomware'dir.

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

Threat Indicators (IOC)

  • SHA256: 2942841f850c59c1f7bedd1922aca54c886bad1eb51b90b32af7d6b6b6e5cab4
  • MD5: 49f8142aaabbb1b95deaeed7d0307b6f

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: 2942841f850c59c1"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "2942841f850c59c1f7bedd1922aca54c886bad1eb51b90b32af7d6b6b6e5cab4"
}

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 2942841f850c59c1f7bedd1922aca54c886bad1eb51b90b32af7d6b6b6e5cab4 # MD5 49f8142aaabbb1b95deaeed7d0307b6f
TypeValueNote
sha256 2942841f850c59c1f7bedd1922aca54c886bad1eb51b90b32af7d6b6b6e5cab4 Sample:GandCrab
md5 49f8142aaabbb1b95deaeed7d0307b6f Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi