GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256042dd79b8468e1a8769dd3f93e38287acd1290eec369c63848d47a337d49802e
MD55b6b3bf82f8672196a69092ab6060d0f
File Typeexe
Size69.5 KB
First Seen2022-08-30
File Name042dd79b8468e1a8769dd3f93e38287acd1290eec369c63848d47a337d49802e
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 042dd79b8468e1a8769dd3f93e38287acd1290eec369c63848d47a337d49802e
  • MD5: 5b6b3bf82f8672196a69092ab6060d0f

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: 042dd79b8468e1a8"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "042dd79b8468e1a8769dd3f93e38287acd1290eec369c63848d47a337d49802e"
}

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 042dd79b8468e1a8769dd3f93e38287acd1290eec369c63848d47a337d49802e # MD5 5b6b3bf82f8672196a69092ab6060d0f
TypeValueNote
sha256 042dd79b8468e1a8769dd3f93e38287acd1290eec369c63848d47a337d49802e Sample:GandCrab
md5 5b6b3bf82f8672196a69092ab6060d0f Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi