Egregor | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256967422de1acc14deb7e7ce803d86aff44e2652bfcd550e3a34c2e37abc883dee
MD5627c2219a80245a25e4fe9843ac2a021
File Typedll
Size705.5 KB
First Seen2020-10-11
File NameKB0018463.bin
Tagsdll, egregor, Loader, MSGLoader, old build

Malware Family: Egregor

Egregor, fidye notunu yazıcıdan bastı.

TypeRansomware
Programming LanguageC++
Target PlatformWindows
C2 Protocol
PurposeYazıcı ransomware
First Seen Year2020

Threat Indicators (IOC)

  • SHA256: 967422de1acc14deb7e7ce803d86aff44e2652bfcd550e3a34c2e37abc883dee
  • MD5: 627c2219a80245a25e4fe9843ac2a021

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: 967422de1acc14de"
        threat_level = "critical"
        first_seen = "2020-10-11"
    condition:
        hash.sha256(0, filesize) == "967422de1acc14deb7e7ce803d86aff44e2652bfcd550e3a34c2e37abc883dee"
}

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 967422de1acc14deb7e7ce803d86aff44e2652bfcd550e3a34c2e37abc883dee # MD5 627c2219a80245a25e4fe9843ac2a021
TypeValueNote
sha256 967422de1acc14deb7e7ce803d86aff44e2652bfcd550e3a34c2e37abc883dee Sample:Egregor
md5 627c2219a80245a25e4fe9843ac2a021 Sample:Egregor
Tags
egregorransomwaremalwarecriticalsha256hash-analizi