BlackMatter | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256cd6d48db36adc645d60d4e68e6e154f08e4645eaef277c373ee116ae3bf29813
MD53f9efe3e795af76334afbccae077a0db
File Typedll
Size102.0 KB
First Seen2025-12-19
File Nameranresrefl.dll
TagsBlackMatter, dll, lockbit

Malware Family: BlackMatter

BlackMatter, DarkSide'ın devamıdır.

TypeRansomware
Programming LanguageC
Target PlatformWindows/Linux
C2 Protocol
PurposeDarkSide halefi
First Seen Year2021

Threat Indicators (IOC)

  • SHA256: cd6d48db36adc645d60d4e68e6e154f08e4645eaef277c373ee116ae3bf29813
  • MD5: 3f9efe3e795af76334afbccae077a0db

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 BlackMatter_SHA256 {
    meta:
        description = "BlackMatter sample: cd6d48db36adc645"
        threat_level = "critical"
        first_seen = "2025-12-19"
    condition:
        hash.sha256(0, filesize) == "cd6d48db36adc645d60d4e68e6e154f08e4645eaef277c373ee116ae3bf29813"
}

BlackMatter — Malware Profile

BlackMatter RaaS 2021. DarkSide devami. Cobalt Strike+run-as-admin. ABD kritik altyapi.

Malware Type
Ransomware
Programming Language
C
C2 Protocol
Target Systems
Windows/Linux

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 — BlackMatter
# SHA256 cd6d48db36adc645d60d4e68e6e154f08e4645eaef277c373ee116ae3bf29813 # MD5 3f9efe3e795af76334afbccae077a0db
TypeValueNote
sha256 cd6d48db36adc645d60d4e68e6e154f08e4645eaef277c373ee116ae3bf29813 Sample:BlackMatter
md5 3f9efe3e795af76334afbccae077a0db Sample:BlackMatter

C2 Servers (6 recorded servers for this family)

Address Type Port Protocol Status Country
mojobiden.com domain — — active —
mojobiden.com domain 443 HTTPS active —
mojobiden.com domain 443 HTTPS active —
paymenthacks.com domain 443 HTTPS inactive —
supp24yy6a66hwszu2piygicgwzdtbwftb76htfj7vnip3getgqnzxid.onion domain 80 HTTPS inactive —
paymenthacks.com domain 443 HTTPS inactive —

C2 addresses are provided only from malware samples manually verified by the KEYDAL team. Commercial use is prohibited.

Tags
blackmatterransomwaremalwarecriticalsha256hash-analizi