Egregor | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2563b13b6f1d7cd14dc4a097a12e2e505c0a4cff495262261e2bfc991df238b9b04
MD556a6ffe6a02941028cc8235204eef31d
File Typedll
Size781.0 KB
First Seen2020-11-18
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: 3b13b6f1d7cd14dc4a097a12e2e505c0a4cff495262261e2bfc991df238b9b04
  • MD5: 56a6ffe6a02941028cc8235204eef31d

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: 3b13b6f1d7cd14dc"
        threat_level = "critical"
        first_seen = "2020-11-18"
    condition:
        hash.sha256(0, filesize) == "3b13b6f1d7cd14dc4a097a12e2e505c0a4cff495262261e2bfc991df238b9b04"
}

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 3b13b6f1d7cd14dc4a097a12e2e505c0a4cff495262261e2bfc991df238b9b04 # MD5 56a6ffe6a02941028cc8235204eef31d
TypeValueNote
sha256 3b13b6f1d7cd14dc4a097a12e2e505c0a4cff495262261e2bfc991df238b9b04 Sample:Egregor
md5 56a6ffe6a02941028cc8235204eef31d Sample:Egregor
Tags
egregorransomwaremalwarecriticalsha256hash-analizi