Egregor | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256605c2047be7c4a17823ad1fa5c1f94fd105721fce3621dc9148cd3baf352938e
MD5d1bd2fed0f6947dcb23e4c3da98a772e
File Typedll
Size766.5 KB
First Seen2020-10-28
File Namep.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: 605c2047be7c4a17823ad1fa5c1f94fd105721fce3621dc9148cd3baf352938e
  • MD5: d1bd2fed0f6947dcb23e4c3da98a772e

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: 605c2047be7c4a17"
        threat_level = "critical"
        first_seen = "2020-10-28"
    condition:
        hash.sha256(0, filesize) == "605c2047be7c4a17823ad1fa5c1f94fd105721fce3621dc9148cd3baf352938e"
}

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 605c2047be7c4a17823ad1fa5c1f94fd105721fce3621dc9148cd3baf352938e # MD5 d1bd2fed0f6947dcb23e4c3da98a772e
TypeValueNote
sha256 605c2047be7c4a17823ad1fa5c1f94fd105721fce3621dc9148cd3baf352938e Sample:Egregor
md5 d1bd2fed0f6947dcb23e4c3da98a772e Sample:Egregor
Tags
egregorransomwaremalwarecriticalsha256hash-analizi