Egregor | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256c1c4e677b36a2ee6ae858546e727e73cc38c95c9024c724f939178b3c03de906
MD51cce0c0d67fe7f51f335a12138698403
File Typedll
Size767.0 KB
First Seen2020-10-28
File Nameewdk.dll
Tagsdll, egregor, MSGLoader, Ransomware

Malware Family: Egregor

Egregor, fidye notunu yazıcıdan bastı.

TypeRansomware
Programming LanguageC++
Target PlatformWindows
C2 Protocol
PurposeYazıcı ransomware
First Seen Year2020

Threat Indicators (IOC)

  • SHA256: c1c4e677b36a2ee6ae858546e727e73cc38c95c9024c724f939178b3c03de906
  • MD5: 1cce0c0d67fe7f51f335a12138698403

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 Egregor_SHA256 {
    meta:
        description = "Egregor sample: c1c4e677b36a2ee6"
        threat_level = "critical"
        first_seen = "2020-10-28"
    condition:
        hash.sha256(0, filesize) == "c1c4e677b36a2ee6ae858546e727e73cc38c95c9024c724f939178b3c03de906"
}

Egregor — Malware Profile

Egregor, fidye notunu yazıcıdan bastı.

Malware Type
Ransomware
Programming Language
C++
C2 Protocol
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 — Egregor
# SHA256 c1c4e677b36a2ee6ae858546e727e73cc38c95c9024c724f939178b3c03de906 # MD5 1cce0c0d67fe7f51f335a12138698403
TypeValueNote
sha256 c1c4e677b36a2ee6ae858546e727e73cc38c95c9024c724f939178b3c03de906 Sample:Egregor
md5 1cce0c0d67fe7f51f335a12138698403 Sample:Egregor
Tags
egregorransomwaremalwarecriticalsha256hash-analizi