Egregor | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256765327e1dc0888c69c92203d90037c5154db9787f54d3fc8f1097830be8c76ab
MD50de24cec66ef9d1042be7cf12b87cfc4
File Typedll
Size767.5 KB
First Seen2020-11-05
File Namemsvc.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: 765327e1dc0888c69c92203d90037c5154db9787f54d3fc8f1097830be8c76ab
  • MD5: 0de24cec66ef9d1042be7cf12b87cfc4

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: 765327e1dc0888c6"
        threat_level = "critical"
        first_seen = "2020-11-05"
    condition:
        hash.sha256(0, filesize) == "765327e1dc0888c69c92203d90037c5154db9787f54d3fc8f1097830be8c76ab"
}

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 765327e1dc0888c69c92203d90037c5154db9787f54d3fc8f1097830be8c76ab # MD5 0de24cec66ef9d1042be7cf12b87cfc4
TypeValueNote
sha256 765327e1dc0888c69c92203d90037c5154db9787f54d3fc8f1097830be8c76ab Sample:Egregor
md5 0de24cec66ef9d1042be7cf12b87cfc4 Sample:Egregor
Tags
egregorransomwaremalwarecriticalsha256hash-analizi