Egregor | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256a5989c480ec6506247325652a1f3cb415934675de3877270ae0f65edd9b14d13
MD5520ee511034717f5499fb66f9c0b76a5
File Typedll
Size766.5 KB
First Seen2020-10-28
File Nameq.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: a5989c480ec6506247325652a1f3cb415934675de3877270ae0f65edd9b14d13
  • MD5: 520ee511034717f5499fb66f9c0b76a5

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: a5989c480ec65062"
        threat_level = "critical"
        first_seen = "2020-10-28"
    condition:
        hash.sha256(0, filesize) == "a5989c480ec6506247325652a1f3cb415934675de3877270ae0f65edd9b14d13"
}

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 a5989c480ec6506247325652a1f3cb415934675de3877270ae0f65edd9b14d13 # MD5 520ee511034717f5499fb66f9c0b76a5
TypeValueNote
sha256 a5989c480ec6506247325652a1f3cb415934675de3877270ae0f65edd9b14d13 Sample:Egregor
md5 520ee511034717f5499fb66f9c0b76a5 Sample:Egregor
Tags
egregorransomwaremalwarecriticalsha256hash-analizi