Matanbuchus | Threat Level: high | Type: Loader
Cryptographic Identifiers
| SHA256 | 3935906e0dd97de6a439dcacab2676d1790c179135bb4e2cb781c95a4ecb0742 |
|---|---|
| MD5 | 32dcc8ff4729cebbe0b103b77ea9a0b2 |
| File Type | dll |
| Size | 522.9 KB |
| First Seen | 2021-12-14 |
| File Name | 3935906e0dd97de6a439dcacab2676d1790c179135bb4e2cb781c95a4ecb0742 |
| Tags | ALUSEN d. o. o., dll, matanbuchus, signed |
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:
3935906e0dd97de6a439dcacab2676d1790c179135bb4e2cb781c95a4ecb0742 - MD5:
32dcc8ff4729cebbe0b103b77ea9a0b2
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: 3935906e0dd97de6"
threat_level = "high"
first_seen = "2021-12-14"
condition:
hash.sha256(0, filesize) == "3935906e0dd97de6a439dcacab2676d1790c179135bb4e2cb781c95a4ecb0742"
}
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
3935906e0dd97de6a439dcacab2676d1790c179135bb4e2cb781c95a4ecb0742
# MD5
32dcc8ff4729cebbe0b103b77ea9a0b2
| Type | Value | Note |
|---|---|---|
| sha256 | 3935906e0dd97de6a439dcacab2676d1790c179135bb4e2cb781c95a4ecb0742 | Sample:Matanbuchus |
| md5 | 32dcc8ff4729cebbe0b103b77ea9a0b2 | Sample:Matanbuchus |