BlackMatter | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA25664c924b671ac30fb16981fe3473e6241f41bb8ddd39d342d279f2c5ecba65fc2
MD5c444ba318a9c50e4ac3b46e9ae2667f7
File Typeexe
Size158.0 KB
First Seen2025-12-06
File Nametest_nopass.exe
TagsBlackMatter, exe

Malware Family: BlackMatter

BlackMatter, DarkSide'ın devamıdır.

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

Threat Indicators (IOC)

  • SHA256: 64c924b671ac30fb16981fe3473e6241f41bb8ddd39d342d279f2c5ecba65fc2
  • MD5: c444ba318a9c50e4ac3b46e9ae2667f7

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: 64c924b671ac30fb"
        threat_level = "critical"
        first_seen = "2025-12-06"
    condition:
        hash.sha256(0, filesize) == "64c924b671ac30fb16981fe3473e6241f41bb8ddd39d342d279f2c5ecba65fc2"
}

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 64c924b671ac30fb16981fe3473e6241f41bb8ddd39d342d279f2c5ecba65fc2 # MD5 c444ba318a9c50e4ac3b46e9ae2667f7
TypeValueNote
sha256 64c924b671ac30fb16981fe3473e6241f41bb8ddd39d342d279f2c5ecba65fc2 Sample:BlackMatter
md5 c444ba318a9c50e4ac3b46e9ae2667f7 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