Egregor | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2564139c96d16875d1c3d12c27086775437b26d3c0ebdcdc258fb012d23b9ef8345
MD57087c55287578a3660cd86435241e59a
File Typedll
Size767.0 KB
First Seen2020-10-28
File Nameclang.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: 4139c96d16875d1c3d12c27086775437b26d3c0ebdcdc258fb012d23b9ef8345
  • MD5: 7087c55287578a3660cd86435241e59a

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: 4139c96d16875d1c"
        threat_level = "critical"
        first_seen = "2020-10-28"
    condition:
        hash.sha256(0, filesize) == "4139c96d16875d1c3d12c27086775437b26d3c0ebdcdc258fb012d23b9ef8345"
}

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 4139c96d16875d1c3d12c27086775437b26d3c0ebdcdc258fb012d23b9ef8345 # MD5 7087c55287578a3660cd86435241e59a
TypeValueNote
sha256 4139c96d16875d1c3d12c27086775437b26d3c0ebdcdc258fb012d23b9ef8345 Sample:Egregor
md5 7087c55287578a3660cd86435241e59a Sample:Egregor
Tags
egregorransomwaremalwarecriticalsha256hash-analizi