BlackMatter | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA25627a3cc834c1cd00ad5378c373d76957998bb54bbcfe67bbf3ae5c7be5a5a66dd
MD5714b31629c37dee57038ca4e52ef65ac
File Typeexe
Size147.0 KB
First Seen2025-04-21
File Name27a3cc834c1cd00ad5378c373d76957998bb54bbcfe67bbf3ae5c7be5a5a66dd
TagsBlackMatter, BrainCipher, exe, Ransomware

Malware Family: BlackMatter

BlackMatter, DarkSide'ın devamıdır.

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

Threat Indicators (IOC)

  • SHA256: 27a3cc834c1cd00ad5378c373d76957998bb54bbcfe67bbf3ae5c7be5a5a66dd
  • MD5: 714b31629c37dee57038ca4e52ef65ac

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: 27a3cc834c1cd00a"
        threat_level = "critical"
        first_seen = "2025-04-21"
    condition:
        hash.sha256(0, filesize) == "27a3cc834c1cd00ad5378c373d76957998bb54bbcfe67bbf3ae5c7be5a5a66dd"
}

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 27a3cc834c1cd00ad5378c373d76957998bb54bbcfe67bbf3ae5c7be5a5a66dd # MD5 714b31629c37dee57038ca4e52ef65ac
TypeValueNote
sha256 27a3cc834c1cd00ad5378c373d76957998bb54bbcfe67bbf3ae5c7be5a5a66dd Sample:BlackMatter
md5 714b31629c37dee57038ca4e52ef65ac 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