Egregor | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256c3c50adcc0a5cd2b39677f17fb5f2efca52cc4e47ccd2cdbbf38815d426be9e1
MD59b7ccaa2ae6a5b96e3110ebcbc4311f6
File Typedll
Size151.5 KB
First Seen2020-11-07
File Namec3c50adcc0a5cd2b39677f17fb5f2efca52cc4e47ccd2cdbbf38815d426be9e1.dll
Tagsdll, egregor, 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: c3c50adcc0a5cd2b39677f17fb5f2efca52cc4e47ccd2cdbbf38815d426be9e1
  • MD5: 9b7ccaa2ae6a5b96e3110ebcbc4311f6

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: c3c50adcc0a5cd2b"
        threat_level = "critical"
        first_seen = "2020-11-07"
    condition:
        hash.sha256(0, filesize) == "c3c50adcc0a5cd2b39677f17fb5f2efca52cc4e47ccd2cdbbf38815d426be9e1"
}

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 c3c50adcc0a5cd2b39677f17fb5f2efca52cc4e47ccd2cdbbf38815d426be9e1 # MD5 9b7ccaa2ae6a5b96e3110ebcbc4311f6
TypeValueNote
sha256 c3c50adcc0a5cd2b39677f17fb5f2efca52cc4e47ccd2cdbbf38815d426be9e1 Sample:Egregor
md5 9b7ccaa2ae6a5b96e3110ebcbc4311f6 Sample:Egregor
Tags
egregorransomwaremalwarecriticalsha256hash-analizi