e7540e416771a4532807a975e55c934110fd0d1f906d08a400b133e94bebe4c9

Resubmissions

11/09/2024, 18:49

240911-xglm8axbqe

11/09/2024, 18:46

240911-xe5y3swfpp7

Analysis

max time kernel
127s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
11/09/2024, 18:46

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General

Target
DolbyAPOvlldp120.dll
Size 1.4MB
Sample240911-xe5y3swfpp
SHA256 e8e4ff12241000f7be4a1c7eb92df63006def111f627028634edaf967bab9b97
MD5 065519b0353217f21554d6bff26fffbb
SHA1 8ac10c163c77f8573315ee3e3bee0106aefe4662
SHA512 3f07cdf8fc0ef0f984fb4d2f947ffec54783be74dc20481b801f999cd3d95247660e1eaf05fb11e568965a929ffe8d66cbe7b8adf9672f9e3938b122e8502203
SSDEEP 24576:XwUFGvCKC7Detp4cHxDqzU6EXOfLY6Y8A57sz7Lyj46K3NP22suMJn:Ytp7xD4U6E+fLA8A57snLyj4NPnY
MD5 SHA1 SHA512 SSDEEP

Score

7^/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 33 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{D9916F9C-99F7-11E7-BF21-6C0B849889E1}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\DolbyAPOvlldp120.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{8B8DFF9A-CF94-479F-AC75-69D4D8C61C17}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AudioEngine\AudioProcessingObjects\{D9916F9C-99F7-11E7-BF21-6C0B849889E1}\APOInterface0 = "{4DC8B9CB-6372-496E-8C95-882EAC5C1F4F}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{D9916F9C-99F7-11E7-BF21-6C0B849889E1}\InprocServer32\ThreadingModel = "Both"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{D9916F9C-99F7-11E7-BF21-6C0B849889E1}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{8B8DFF9A-CF94-479F-AC75-69D4D8C61C17}\1.0\HELPDIR	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\AudioEngine\AudioProcessingObjects\{D9916F9C-99F7-11E7-BF21-6C0B849889E1}\MaxInputConnections = "1"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\AudioEngine\AudioProcessingObjects\{D9916F9C-99F7-11E7-BF21-6C0B849889E1}\MinOutputConnections = "1"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\AudioEngine\AudioProcessingObjects\{D9916F9C-99F7-11E7-BF21-6C0B849889E1}\MaxOutputConnections = "1"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\AudioEngine\AudioProcessingObjects\{D9916F9C-99F7-11E7-BF21-6C0B849889E1}\MinorVersion = "0"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\AudioEngine\AudioProcessingObjects\{D9916F9C-99F7-11E7-BF21-6C0B849889E1}\Flags = "12"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{8B8DFF9A-CF94-479F-AC75-69D4D8C61C17}\1.0\0\win64\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\DolbyAPOvlldp120.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{D9916F9C-99F7-11E7-BF21-6C0B849889E1}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{D9916F9C-99F7-11E7-BF21-6C0B849889E1}\ = "DolbyDAX2APO Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{8B8DFF9A-CF94-479F-AC75-69D4D8C61C17}\1.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\DolbyDAX2APOvlldp.DLL	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{8B8DFF9A-CF94-479F-AC75-69D4D8C61C17}\1.0\ = "DolbyDAX2APODlllib"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{8B8DFF9A-CF94-479F-AC75-69D4D8C61C17}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AudioEngine\AudioProcessingObjects	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\AudioEngine\AudioProcessingObjects\{D9916F9C-99F7-11E7-BF21-6C0B849889E1}\MinInputConnections = "1"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\AudioEngine\AudioProcessingObjects\{D9916F9C-99F7-11E7-BF21-6C0B849889E1}\MaxInstances = "4294967295"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AudioEngine\AudioProcessingObjects\{D9916F9C-99F7-11E7-BF21-6C0B849889E1}\FriendlyName = "CDolbyDAX2APO"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{18A5395C-F7C7-45D1-8D6D-F6BF56FE9427}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{8B8DFF9A-CF94-479F-AC75-69D4D8C61C17}\1.0\0\win64	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\AudioEngine\AudioProcessingObjects\{D9916F9C-99F7-11E7-BF21-6C0B849889E1}\NumAPOInterfaces = "1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{18A5395C-F7C7-45D1-8D6D-F6BF56FE9427}\ = "DolbyDAX2APOvlldp"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\DolbyDAX2APOvlldp.DLL\AppID = "{18A5395C-F7C7-45D1-8D6D-F6BF56FE9427}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{8B8DFF9A-CF94-479F-AC75-69D4D8C61C17}\1.0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{8B8DFF9A-CF94-479F-AC75-69D4D8C61C17}\1.0\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AudioEngine\AudioProcessingObjects\{D9916F9C-99F7-11E7-BF21-6C0B849889E1}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AudioEngine\AudioProcessingObjects\{D9916F9C-99F7-11E7-BF21-6C0B849889E1}\Copyright = "Copyright (c) Dolby Laboratories"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\AudioEngine\AudioProcessingObjects\{D9916F9C-99F7-11E7-BF21-6C0B849889E1}\MajorVersion = "1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{8B8DFF9A-CF94-479F-AC75-69D4D8C61C17}\1.0\FLAGS\ = "0"	regsvr32.exe

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\DolbyAPOvlldp120.dll
1⤵
- Modifies registry class
PID:4148

Network

MITRE ATT&CK Enterprise v15

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

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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