Egregor | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256ee06c557f1acd5c4948b1df0413e49f3885f8ac96185a9d986b91a1231444541
MD5427105821263afeeccca05b43ea8dac4
File Typedll
Size784.0 KB
First Seen2020-11-16
File Namefasm.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: ee06c557f1acd5c4948b1df0413e49f3885f8ac96185a9d986b91a1231444541
  • MD5: 427105821263afeeccca05b43ea8dac4

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: ee06c557f1acd5c4"
        threat_level = "critical"
        first_seen = "2020-11-16"
    condition:
        hash.sha256(0, filesize) == "ee06c557f1acd5c4948b1df0413e49f3885f8ac96185a9d986b91a1231444541"
}

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 ee06c557f1acd5c4948b1df0413e49f3885f8ac96185a9d986b91a1231444541 # MD5 427105821263afeeccca05b43ea8dac4
TypeValueNote
sha256 ee06c557f1acd5c4948b1df0413e49f3885f8ac96185a9d986b91a1231444541 Sample:Egregor
md5 427105821263afeeccca05b43ea8dac4 Sample:Egregor
Tags
egregorransomwaremalwarecriticalsha256hash-analizi