GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256834fff4f0195ec39612680d16dabdff9c33fc3d30185d6f69d34ee4e3266cbfa
MD5e6d2b9ec6afce69e5812c6ed9820b323
File Typeexe
Size73.5 KB
First Seen2022-08-30
File Name834fff4f0195ec39612680d16dabdff9c33fc3d30185d6f69d34ee4e3266cbfa
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 834fff4f0195ec39612680d16dabdff9c33fc3d30185d6f69d34ee4e3266cbfa
  • MD5: e6d2b9ec6afce69e5812c6ed9820b323

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: 834fff4f0195ec39"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "834fff4f0195ec39612680d16dabdff9c33fc3d30185d6f69d34ee4e3266cbfa"
}

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 834fff4f0195ec39612680d16dabdff9c33fc3d30185d6f69d34ee4e3266cbfa # MD5 e6d2b9ec6afce69e5812c6ed9820b323
TypeValueNote
sha256 834fff4f0195ec39612680d16dabdff9c33fc3d30185d6f69d34ee4e3266cbfa Sample:GandCrab
md5 e6d2b9ec6afce69e5812c6ed9820b323 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi