Matanbuchus | Threat Level: high | Type: Loader
Cryptographic Identifiers
| SHA256 | 43c04d67d93b03afcbe947d63a1da61892a31597709dbda8431c46ccc8f8aa9a |
|---|---|
| MD5 | e25903fa509f830e170c31bc3f893fb6 |
| File Type | dll |
| Size | 608.0 KB |
| First Seen | 2025-02-18 |
| File Name | file |
| Tags | dll, main-module, matanbuchus |
Malware Family: Matanbuchus
Matanbuchus, MaaS loader'dır.
| Type | Loader |
|---|---|
| Programming Language | C++ |
| Target Platform | Windows |
| C2 Protocol | HTTPS |
| Purpose | MaaS loader |
| First Seen Year | 2021 |
Threat Indicators (IOC)
- SHA256:
43c04d67d93b03afcbe947d63a1da61892a31597709dbda8431c46ccc8f8aa9a - MD5:
e25903fa509f830e170c31bc3f893fb6
You can verify all hash values of this sample on VirusTotal.
System Cleanup Guide
- Disconnect the system from the network — the loader may be downloading more malware
- Analyze every downloaded payload
- Inspect all network traffic and cut suspicious connections
- Run a full antivirus scan
- Consider reimaging the system
YARA Rule Hints
rule Matanbuchus_SHA256 {
meta:
description = "Matanbuchus sample: 43c04d67d93b03af"
threat_level = "high"
first_seen = "2025-02-18"
condition:
hash.sha256(0, filesize) == "43c04d67d93b03afcbe947d63a1da61892a31597709dbda8431c46ccc8f8aa9a"
}
Matanbuchus — Malware Profile
Matanbuchus loader. Session key özel kripto el sikisma. no malloc support C runtime. CreateMutexW.
Malware Type
Loader
Programming Language
C++
C2 Protocol
HTTPS
Target Systems
Windows
Technical Details
Loader ailesi: HTTP/HTTPS C2, payload sifre cozme ve bellek icerisinde yükleme, anti-sandbox/VM kontrolleri, process injection, persistence mekanizmasi, yükü indirme ve calistirma zinciri
Capabilities & Behavior
Payload İndirme
Süreç Enjeksiyonu
Modüler Mimari
Kimlik Bilgisi Hırsızlığı
Yanal Hareket
Kalıcılık
Anti-VM/Sandbox
İkincil Payload Dağıtımı
IOC List (2 indicators)
IOC — Matanbuchus
# SHA256
43c04d67d93b03afcbe947d63a1da61892a31597709dbda8431c46ccc8f8aa9a
# MD5
e25903fa509f830e170c31bc3f893fb6
| Type | Value | Note |
|---|---|---|
| sha256 | 43c04d67d93b03afcbe947d63a1da61892a31597709dbda8431c46ccc8f8aa9a | Sample:Matanbuchus |
| md5 | e25903fa509f830e170c31bc3f893fb6 | Sample:Matanbuchus |