Egregor | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256a376fd507afe8a1b5d377d18436e5701702109ac9d3e7026d19b65a7d313b332
MD516a9c2917577e732cd6630b08e248443
File Typedll
Size788.5 KB
First Seen2020-10-11
File Nameb.bin
Tagsdll, egregor, Loader, 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: a376fd507afe8a1b5d377d18436e5701702109ac9d3e7026d19b65a7d313b332
  • MD5: 16a9c2917577e732cd6630b08e248443

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: a376fd507afe8a1b"
        threat_level = "critical"
        first_seen = "2020-10-11"
    condition:
        hash.sha256(0, filesize) == "a376fd507afe8a1b5d377d18436e5701702109ac9d3e7026d19b65a7d313b332"
}

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 a376fd507afe8a1b5d377d18436e5701702109ac9d3e7026d19b65a7d313b332 # MD5 16a9c2917577e732cd6630b08e248443
TypeValueNote
sha256 a376fd507afe8a1b5d377d18436e5701702109ac9d3e7026d19b65a7d313b332 Sample:Egregor
md5 16a9c2917577e732cd6630b08e248443 Sample:Egregor
Tags
egregorransomwaremalwarecriticalsha256hash-analizi