Matanbuchus | Threat Level: high | Type: Loader
Cryptographic Identifiers
| SHA256 | 9019a31723e8dde778639cf5c1eb599bf250d7b6a3a92ba0e3c85b0043644d93 |
|---|---|
| MD5 | 9ec23afddcf2f8321e119ad78ff884e7 |
| File Type | one |
| Size | 114.2 KB |
| First Seen | 2023-02-07 |
| File Name | Item.one |
| Tags | .one, matanbuchus, one, OneNote |
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:
9019a31723e8dde778639cf5c1eb599bf250d7b6a3a92ba0e3c85b0043644d93 - MD5:
9ec23afddcf2f8321e119ad78ff884e7
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: 9019a31723e8dde7"
threat_level = "high"
first_seen = "2023-02-07"
condition:
hash.sha256(0, filesize) == "9019a31723e8dde778639cf5c1eb599bf250d7b6a3a92ba0e3c85b0043644d93"
}
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
9019a31723e8dde778639cf5c1eb599bf250d7b6a3a92ba0e3c85b0043644d93
# MD5
9ec23afddcf2f8321e119ad78ff884e7
| Type | Value | Note |
|---|---|---|
| sha256 | 9019a31723e8dde778639cf5c1eb599bf250d7b6a3a92ba0e3c85b0043644d93 | Sample:Matanbuchus |
| md5 | 9ec23afddcf2f8321e119ad78ff884e7 | Sample:Matanbuchus |