GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256bc54bbd6ce8e322999866ce2751436adac2d16facd7829312f449ef28f3a61cf
MD52a93b3bdf02145a16c3240289d065b8d
File Typeexe
Size70.0 KB
First Seen2023-03-05
File Name2023-03-01_2a93b3bdf02145a16c3240289d065b8d_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: bc54bbd6ce8e322999866ce2751436adac2d16facd7829312f449ef28f3a61cf
  • MD5: 2a93b3bdf02145a16c3240289d065b8d

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: bc54bbd6ce8e3229"
        threat_level = "critical"
        first_seen = "2023-03-05"
    condition:
        hash.sha256(0, filesize) == "bc54bbd6ce8e322999866ce2751436adac2d16facd7829312f449ef28f3a61cf"
}

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 bc54bbd6ce8e322999866ce2751436adac2d16facd7829312f449ef28f3a61cf # MD5 2a93b3bdf02145a16c3240289d065b8d
TypeValueNote
sha256 bc54bbd6ce8e322999866ce2751436adac2d16facd7829312f449ef28f3a61cf Sample:GandCrab
md5 2a93b3bdf02145a16c3240289d065b8d Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi