47cfa5e896644522379325726fecbe7966ce3d8ed84fc4c9822fb87332b4333d

Analysis

max time kernel
148s
max time network
130s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
04/11/2026, 18:12

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General

Target
BambuSource.dll
Size 5.3MB
Sample261104-wthlnaev5k
SHA256 47cfa5e896644522379325726fecbe7966ce3d8ed84fc4c9822fb87332b4333d
MD5 fb3218e73f55334b3b75d641743edf69
SHA1 66d4992fb076e12e40b50f16c88a934adecb6af9
SHA512 adcd4ba7c12a3ac07ea3adefee6f42c474868f2ee97452e1968e980d9e8e60972c59858c079ac45a6ab9267f639b01783e65090e27ad0e0ca78a6a77ce6f9b6e
SSDEEP 49152:cadkeTq5IhMTUFOjwgGyLz5cAh5HHsbC+s6Aszd9Ls0wbXChCCRcfWDxhk2wLqs4:RF1ST2PbCGAAda0bWUKs7DJHXU8K2
TLSH
T148466B5AB7A80198E477C13CCA835613E6F2F819477097CF0AA9467A4F33BD46A3E744
MD5 SHA1 SHA512 SSDEEP TLSH

Score

5^/10

persistence privilege_escalation

Malware Config

Signatures

Event Triggered Execution: Component Object Model Hijacking 1 TTPs
Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.
persistence privilege_escalation

Component Object Model Hijacking
T1546.015

Modifies registry class 9 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1404337215-1550464601-2805570857-1000_Classes\CLSID\{233E64FB-2041-4A6C-AFAB-FF9BCF83E7AA}	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-1404337215-1550464601-2805570857-1000_Classes\CLSID\{233E64FB-2041-4A6C-AFAB-FF9BCF83E7AA}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1404337215-1550464601-2805570857-1000_Classes\CLSID\{233E64FB-2041-4A6C-AFAB-FF9BCF83E7AA}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\BambuSource.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{233E64FB-2041-4A6C-AFAB-FF9BCF83E7AA}\FriendlyName = "Bambu Source Filter"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{233E64FB-2041-4A6C-AFAB-FF9BCF83E7AA}\CLSID = "{233E64FB-2041-4A6C-AFAB-FF9BCF83E7AA}"	regsvr32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1404337215-1550464601-2805570857-1000_Classes\CLSID\{233E64FB-2041-4A6C-AFAB-FF9BCF83E7AA}\ = "Bambu Source Filter"	regsvr32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1404337215-1550464601-2805570857-1000_Classes\CLSID\{233E64FB-2041-4A6C-AFAB-FF9BCF83E7AA}\InprocServer32\ThreadingModel = "Both"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{233E64FB-2041-4A6C-AFAB-FF9BCF83E7AA}	regsvr32.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{233E64FB-2041-4A6C-AFAB-FF9BCF83E7AA}\FilterData = 02000000000020000200000000000000307069330c0000000000000001000000000000000000000030747933000000006000000070000000317069330c00000000000000010000000000000000000000307479330000000080000000700000007669647300001000800000aa00389b71000000000000000000000000000000006175647300001000800000aa00389b71	regsvr32.exe

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\BambuSource.dll
1⤵
- Modifies registry class
PID:2636

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

T1546

Component Object Model Hijacking

T1546.015

Privilege Escalation

Event Triggered Execution

T1546

Component Object Model Hijacking

T1546.015

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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