Egregor | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256932778732711cd18d5c4aabc507a65180bf1d4bd2b7d2d4e5506be4b8193596e
MD5ac33fea4c2a9bbca3559142838441f84
File Typedll
Size795.5 KB
First Seen2020-11-14
File Name932778732711cd18d5c4aabc507a65180bf1d4bd2b7d2d4e5506be4b8193596e.bin.sample
Tagsegregor, MSGLoader

Malware Family: Egregor

Egregor, fidye notunu yazıcıdan bastı.

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

Threat Indicators (IOC)

  • SHA256: 932778732711cd18d5c4aabc507a65180bf1d4bd2b7d2d4e5506be4b8193596e
  • MD5: ac33fea4c2a9bbca3559142838441f84

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: 932778732711cd18"
        threat_level = "critical"
        first_seen = "2020-11-14"
    condition:
        hash.sha256(0, filesize) == "932778732711cd18d5c4aabc507a65180bf1d4bd2b7d2d4e5506be4b8193596e"
}

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 932778732711cd18d5c4aabc507a65180bf1d4bd2b7d2d4e5506be4b8193596e # MD5 ac33fea4c2a9bbca3559142838441f84
TypeValueNote
sha256 932778732711cd18d5c4aabc507a65180bf1d4bd2b7d2d4e5506be4b8193596e Sample:Egregor
md5 ac33fea4c2a9bbca3559142838441f84 Sample:Egregor
Tags
egregorransomwaremalwarecriticalsha256hash-analizi