Matanbuchus | Threat Level: high | Type: Loader
Cryptographic Identifiers
| SHA256 | efe8ffe10471d8d158fd7ca81868e334e16a2b034c66d2b6fd039cb0ad58e641 |
|---|---|
| MD5 | 0d469f3ff4357918c7c8b2bea97f14ba |
| File Type | dll |
| Size | 607.5 KB |
| First Seen | 2025-01-20 |
| File Name | file |
| Tags | dll, main, matanbuchus, second-stage |
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:
efe8ffe10471d8d158fd7ca81868e334e16a2b034c66d2b6fd039cb0ad58e641 - MD5:
0d469f3ff4357918c7c8b2bea97f14ba
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: efe8ffe10471d8d1"
threat_level = "high"
first_seen = "2025-01-20"
condition:
hash.sha256(0, filesize) == "efe8ffe10471d8d158fd7ca81868e334e16a2b034c66d2b6fd039cb0ad58e641"
}
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
efe8ffe10471d8d158fd7ca81868e334e16a2b034c66d2b6fd039cb0ad58e641
# MD5
0d469f3ff4357918c7c8b2bea97f14ba
| Type | Value | Note |
|---|---|---|
| sha256 | efe8ffe10471d8d158fd7ca81868e334e16a2b034c66d2b6fd039cb0ad58e641 | Sample:Matanbuchus |
| md5 | 0d469f3ff4357918c7c8b2bea97f14ba | Sample:Matanbuchus |