GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2560f5ace8adbaf1f05d0f5765166537ff4b77ea9f038cffbc08c16afd4cc869972
MD56933fffefd94b7e16bcb04a498c82da6
File Typeexe
Size70.0 KB
First Seen2023-03-08
File Name2023-03-07_6933fffefd94b7e16bcb04a498c82da6_gandcrab
TagsGandcrab

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: 0f5ace8adbaf1f05d0f5765166537ff4b77ea9f038cffbc08c16afd4cc869972
  • MD5: 6933fffefd94b7e16bcb04a498c82da6

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: 0f5ace8adbaf1f05"
        threat_level = "critical"
        first_seen = "2023-03-08"
    condition:
        hash.sha256(0, filesize) == "0f5ace8adbaf1f05d0f5765166537ff4b77ea9f038cffbc08c16afd4cc869972"
}

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 0f5ace8adbaf1f05d0f5765166537ff4b77ea9f038cffbc08c16afd4cc869972 # MD5 6933fffefd94b7e16bcb04a498c82da6
TypeValueNote
sha256 0f5ace8adbaf1f05d0f5765166537ff4b77ea9f038cffbc08c16afd4cc869972 Sample:GandCrab
md5 6933fffefd94b7e16bcb04a498c82da6 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi