GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256826731bc83cf9b3467347394f1dea211d83c5df9591de70f4e1a344b89d3af82
MD5ceef69117f90ff406f6b16c825d1cf42
File Typeexe
Size70.0 KB
First Seen2022-08-30
File Name826731bc83cf9b3467347394f1dea211d83c5df9591de70f4e1a344b89d3af82
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 826731bc83cf9b3467347394f1dea211d83c5df9591de70f4e1a344b89d3af82
  • MD5: ceef69117f90ff406f6b16c825d1cf42

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: 826731bc83cf9b34"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "826731bc83cf9b3467347394f1dea211d83c5df9591de70f4e1a344b89d3af82"
}

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 826731bc83cf9b3467347394f1dea211d83c5df9591de70f4e1a344b89d3af82 # MD5 ceef69117f90ff406f6b16c825d1cf42
TypeValueNote
sha256 826731bc83cf9b3467347394f1dea211d83c5df9591de70f4e1a344b89d3af82 Sample:GandCrab
md5 ceef69117f90ff406f6b16c825d1cf42 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi