GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256f36d6537e689d31096888db7d3e0dce1709dd8ed429fc5d3d4d44785021ba04f
MD5bbc746075edb4edd975b3a117ae136b4
File Typeexe
Size93.0 KB
First Seen2023-09-25
File NameDeviceManager.exe
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: f36d6537e689d31096888db7d3e0dce1709dd8ed429fc5d3d4d44785021ba04f
  • MD5: bbc746075edb4edd975b3a117ae136b4

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: f36d6537e689d310"
        threat_level = "critical"
        first_seen = "2023-09-25"
    condition:
        hash.sha256(0, filesize) == "f36d6537e689d31096888db7d3e0dce1709dd8ed429fc5d3d4d44785021ba04f"
}

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 f36d6537e689d31096888db7d3e0dce1709dd8ed429fc5d3d4d44785021ba04f # MD5 bbc746075edb4edd975b3a117ae136b4
TypeValueNote
sha256 f36d6537e689d31096888db7d3e0dce1709dd8ed429fc5d3d4d44785021ba04f Sample:GandCrab
md5 bbc746075edb4edd975b3a117ae136b4 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi