Matanbuchus | Threat Level: high | Type: Loader
Cryptographic Identifiers
| SHA256 | dbac4888cb2be8a41986d0992abcb7215556da786e9b12759f6a39eede97b5f5 |
|---|---|
| MD5 | 32d515e10d19e25546986e51c567b4fd |
| File Type | dll |
| Size | 562.9 KB |
| First Seen | 2021-12-09 |
| File Name | 2021-12-07-Matanbuchus-DLL-Volet4.ocx-thru-Volet6.ocx.bin |
| Tags | dll, matanbuchus, Quakbot, SALES e MAINTENANCE LIMITED, 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:
dbac4888cb2be8a41986d0992abcb7215556da786e9b12759f6a39eede97b5f5 - MD5:
32d515e10d19e25546986e51c567b4fd
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: dbac4888cb2be8a4"
threat_level = "high"
first_seen = "2021-12-09"
condition:
hash.sha256(0, filesize) == "dbac4888cb2be8a41986d0992abcb7215556da786e9b12759f6a39eede97b5f5"
}
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
dbac4888cb2be8a41986d0992abcb7215556da786e9b12759f6a39eede97b5f5
# MD5
32d515e10d19e25546986e51c567b4fd
| Type | Value | Note |
|---|---|---|
| sha256 | dbac4888cb2be8a41986d0992abcb7215556da786e9b12759f6a39eede97b5f5 | Sample:Matanbuchus |
| md5 | 32d515e10d19e25546986e51c567b4fd | Sample:Matanbuchus |