GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256146029c990f1a6287da06b46ecd352f135622f706267871a72fde662707ccd25
MD551f75935618111b33c6827bfd0498b3b
File Typeexe
Size70.0 KB
First Seen2022-08-30
File Name146029c990f1a6287da06b46ecd352f135622f706267871a72fde662707ccd25
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 146029c990f1a6287da06b46ecd352f135622f706267871a72fde662707ccd25
  • MD5: 51f75935618111b33c6827bfd0498b3b

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: 146029c990f1a628"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "146029c990f1a6287da06b46ecd352f135622f706267871a72fde662707ccd25"
}

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 146029c990f1a6287da06b46ecd352f135622f706267871a72fde662707ccd25 # MD5 51f75935618111b33c6827bfd0498b3b
TypeValueNote
sha256 146029c990f1a6287da06b46ecd352f135622f706267871a72fde662707ccd25 Sample:GandCrab
md5 51f75935618111b33c6827bfd0498b3b Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi