GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256e25c2fb8f30f9385f2bba61c61d3ee6a06dbc9cfa01d377aa72722b798803ace
MD52eada6253ee9183d7193b937b1c9bc60
File Typeexe
Size73.5 KB
First Seen2022-08-30
File Namee25c2fb8f30f9385f2bba61c61d3ee6a06dbc9cfa01d377aa72722b798803ace
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: e25c2fb8f30f9385f2bba61c61d3ee6a06dbc9cfa01d377aa72722b798803ace
  • MD5: 2eada6253ee9183d7193b937b1c9bc60

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: e25c2fb8f30f9385"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "e25c2fb8f30f9385f2bba61c61d3ee6a06dbc9cfa01d377aa72722b798803ace"
}

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 e25c2fb8f30f9385f2bba61c61d3ee6a06dbc9cfa01d377aa72722b798803ace # MD5 2eada6253ee9183d7193b937b1c9bc60
TypeValueNote
sha256 e25c2fb8f30f9385f2bba61c61d3ee6a06dbc9cfa01d377aa72722b798803ace Sample:GandCrab
md5 2eada6253ee9183d7193b937b1c9bc60 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi