GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256f04a82901448ccaa8131906e2ea10c0370c4c3b575ae5cdfbbbfbbb5d9358ebf
MD5874ac3a6b3d84491bb237d3c3e45836d
File Typeexe
Size70.0 KB
First Seen2022-08-30
File Namef04a82901448ccaa8131906e2ea10c0370c4c3b575ae5cdfbbbfbbb5d9358ebf
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: f04a82901448ccaa8131906e2ea10c0370c4c3b575ae5cdfbbbfbbb5d9358ebf
  • MD5: 874ac3a6b3d84491bb237d3c3e45836d

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: f04a82901448ccaa"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "f04a82901448ccaa8131906e2ea10c0370c4c3b575ae5cdfbbbfbbb5d9358ebf"
}

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 f04a82901448ccaa8131906e2ea10c0370c4c3b575ae5cdfbbbfbbb5d9358ebf # MD5 874ac3a6b3d84491bb237d3c3e45836d
TypeValueNote
sha256 f04a82901448ccaa8131906e2ea10c0370c4c3b575ae5cdfbbbfbbb5d9358ebf Sample:GandCrab
md5 874ac3a6b3d84491bb237d3c3e45836d Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi