GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA25616f586c86723fd335f1ec73b0b88a627d12e132634d0876eab56539696fc9dd7
MD528b3d915f847aa13ad27a45c069583eb
File Typeexe
Size69.5 KB
First Seen2022-08-30
File Name16f586c86723fd335f1ec73b0b88a627d12e132634d0876eab56539696fc9dd7
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: 16f586c86723fd335f1ec73b0b88a627d12e132634d0876eab56539696fc9dd7
  • MD5: 28b3d915f847aa13ad27a45c069583eb

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: 16f586c86723fd33"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "16f586c86723fd335f1ec73b0b88a627d12e132634d0876eab56539696fc9dd7"
}

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 16f586c86723fd335f1ec73b0b88a627d12e132634d0876eab56539696fc9dd7 # MD5 28b3d915f847aa13ad27a45c069583eb
TypeValueNote
sha256 16f586c86723fd335f1ec73b0b88a627d12e132634d0876eab56539696fc9dd7 Sample:GandCrab
md5 28b3d915f847aa13ad27a45c069583eb Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi