GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256af284e5412b8b69d0d269b3023a88d94d7149f8ba05f190a25ba2cba1c9b8e9f
MD556bbb247164f5099065ccde555aee850
File Typeexe
Size97.5 KB
First Seen2022-08-30
File Nameaf284e5412b8b69d0d269b3023a88d94d7149f8ba05f190a25ba2cba1c9b8e9f
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: af284e5412b8b69d0d269b3023a88d94d7149f8ba05f190a25ba2cba1c9b8e9f
  • MD5: 56bbb247164f5099065ccde555aee850

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: af284e5412b8b69d"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "af284e5412b8b69d0d269b3023a88d94d7149f8ba05f190a25ba2cba1c9b8e9f"
}

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 af284e5412b8b69d0d269b3023a88d94d7149f8ba05f190a25ba2cba1c9b8e9f # MD5 56bbb247164f5099065ccde555aee850
TypeValueNote
sha256 af284e5412b8b69d0d269b3023a88d94d7149f8ba05f190a25ba2cba1c9b8e9f Sample:GandCrab
md5 56bbb247164f5099065ccde555aee850 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi