Egregor | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2566ad7b3e0873c9ff122c32006fdc3675706a03c4778287085a020d839b74cd780
MD5a922987d1488e2dede7e39a99faf98bb
File Typedll
Size794.0 KB
First Seen2020-11-16
File Namedss.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: 6ad7b3e0873c9ff122c32006fdc3675706a03c4778287085a020d839b74cd780
  • MD5: a922987d1488e2dede7e39a99faf98bb

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: 6ad7b3e0873c9ff1"
        threat_level = "critical"
        first_seen = "2020-11-16"
    condition:
        hash.sha256(0, filesize) == "6ad7b3e0873c9ff122c32006fdc3675706a03c4778287085a020d839b74cd780"
}

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 6ad7b3e0873c9ff122c32006fdc3675706a03c4778287085a020d839b74cd780 # MD5 a922987d1488e2dede7e39a99faf98bb
TypeValueNote
sha256 6ad7b3e0873c9ff122c32006fdc3675706a03c4778287085a020d839b74cd780 Sample:Egregor
md5 a922987d1488e2dede7e39a99faf98bb Sample:Egregor
Tags
egregorransomwaremalwarecriticalsha256hash-analizi