Egregor | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2566713403015feb8959093f5d007bcbdbb3be9eec96dd62f517786b67506067251
MD5460cb38e14fcadef06e267047ce9d69e
File Typedll
Size733.0 KB
First Seen2020-11-18
File Namesentinel.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: 6713403015feb8959093f5d007bcbdbb3be9eec96dd62f517786b67506067251
  • MD5: 460cb38e14fcadef06e267047ce9d69e

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: 6713403015feb895"
        threat_level = "critical"
        first_seen = "2020-11-18"
    condition:
        hash.sha256(0, filesize) == "6713403015feb8959093f5d007bcbdbb3be9eec96dd62f517786b67506067251"
}

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 6713403015feb8959093f5d007bcbdbb3be9eec96dd62f517786b67506067251 # MD5 460cb38e14fcadef06e267047ce9d69e
TypeValueNote
sha256 6713403015feb8959093f5d007bcbdbb3be9eec96dd62f517786b67506067251 Sample:Egregor
md5 460cb38e14fcadef06e267047ce9d69e Sample:Egregor
Tags
egregorransomwaremalwarecriticalsha256hash-analizi