Egregor | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256af538ab1b8bdfbf5b7f1548d72c0d042eb14d0011d796cab266f0671720abb4d
MD5b196bc4d3bea5b7922b98d9ba9eb8e2b
File Typedll
Size768.0 KB
First Seen2020-10-28
File Nameclang.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: af538ab1b8bdfbf5b7f1548d72c0d042eb14d0011d796cab266f0671720abb4d
  • MD5: b196bc4d3bea5b7922b98d9ba9eb8e2b

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: af538ab1b8bdfbf5"
        threat_level = "critical"
        first_seen = "2020-10-28"
    condition:
        hash.sha256(0, filesize) == "af538ab1b8bdfbf5b7f1548d72c0d042eb14d0011d796cab266f0671720abb4d"
}

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 af538ab1b8bdfbf5b7f1548d72c0d042eb14d0011d796cab266f0671720abb4d # MD5 b196bc4d3bea5b7922b98d9ba9eb8e2b
TypeValueNote
sha256 af538ab1b8bdfbf5b7f1548d72c0d042eb14d0011d796cab266f0671720abb4d Sample:Egregor
md5 b196bc4d3bea5b7922b98d9ba9eb8e2b Sample:Egregor
Tags
egregorransomwaremalwarecriticalsha256hash-analizi