52dc2fd4102cfcb49e04400db09a246c70b202d889550b912cf8001ae1b3e55a

Analysis

max time kernel
53s
max time network
58s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
28/07/2026, 10:18

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Reason

Machine shutdown

General

Target
Soundpad_/Soundpad.exe
Size 11.7MB
Sample260728-mcaeaathrh
SHA256 52dc2fd4102cfcb49e04400db09a246c70b202d889550b912cf8001ae1b3e55a
MD5 186dd6db5675edc1a5c70dfd1f48e205
SHA1 c76f15edfb347c94f7e01d011ad27ecf5e204550
SHA512 062198a0e2f86f82ebb9afa5dfd728423f898f9ac32ebf0cb2282a6d145c0941eef85a6ca8a800f581dcfef44dcf2ffc5788486936926528a2611d00aace117b
SSDEEP 196608:rpJkp7F4hGz2YDJl9CxGgSt/pj8Ezyonu567mm:rpJo7+42YtDCxGgej8S1mm
TLSH
T1BFC67D5A72A915DCE473D07C9F4B8403E2B238890B3257F70151496B6F7ABF48EBA712
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

persistence privilege_escalation upx

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

Loads dropped DLL 3 IoCs

pid	Process
2060	regsvr32.exe
1936	regsvr32.exe
4652	AUDIODG.EXE

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\system32\UniteFx.dll	Soundpad.exe

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral8/memory/1608-0-0x00007FF8BCF70000-0x00007FF8BDFC0000-memory.dmp	upx

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies data under HKEY_USERS 4 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent	LogonUI.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentPalette = 99ebff004cc2ff000091f8000078d4000067c000003e9200001a6800f7630c00	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History\AutoColor = "0"	LogonUI.exe

Modifies registry class 63 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1875162379-3804078649-638427191-1000_Classes\Soundpad\shell\open	Soundpad.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\AudioEngine\AudioProcessingObjects\{27384E53-9860-0AC1-9519-C60EBCAA2C71}\MinorVersion = "6"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\AudioEngine\AudioProcessingObjects\{27384E53-9860-0AC1-9519-C60EBCAA2C71}\Flags = "14"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AudioEngine\AudioProcessingObjects\{27384E53-9860-0AC1-9519-C60EBCAA2C71}\APOInterface0 = "{FD7F2B29-24D0-4B5C-B177-592C39F9CA10}"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\AudioEngine\AudioProcessingObjects\{27384E53-9860-0AC1-9519-C60EBCAA2C71}\MaxInstances = "4294967295"	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-1875162379-3804078649-638427191-1000_Classes\Soundpad.Soundlist\shell\open\command	Soundpad.exe
Key created	\REGISTRY\USER\S-1-5-21-1875162379-3804078649-638427191-1000_Classes\Soundpad\DefaultIcon	Soundpad.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AudioEngine\AudioProcessingObjects\{27384E53-9860-0AC1-9519-C60EBCAA2C71}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{27384E53-9860-0AC1-9519-C60EBCAA2C71}\ = "UniteFx Class"	Soundpad.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\AudioEngine\AudioProcessingObjects\{27384E53-9860-0AC1-9519-C60EBCAA2C71}\MinInputConnections = "1"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\AudioEngine\AudioProcessingObjects\{27384E53-9860-0AC1-9519-C60EBCAA2C71}\NumAPOInterfaces = "1"	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-1875162379-3804078649-638427191-1000_Classes\.spl	Soundpad.exe
Key created	\REGISTRY\USER\S-1-5-21-1875162379-3804078649-638427191-1000_Classes\.spl\OpenWithList\ehshell.exe\	Soundpad.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1875162379-3804078649-638427191-1000_Classes\Soundpad\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Soundpad_\\Soundpad.exe,0"	Soundpad.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\AudioEngine\AudioProcessingObjects\{27384E53-9860-0AC1-9519-C60EBCAA2C71}\MinOutputConnections = "1"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\AudioEngine\AudioProcessingObjects\{27384E53-9860-0AC1-9519-C60EBCAA2C71}\MaxOutputConnections = "1"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\AudioEngine\AudioProcessingObjects\{27384E53-9860-0AC1-9519-C60EBCAA2C71}\MaxOutputConnections = "1"	regsvr32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1875162379-3804078649-638427191-1000_Classes\Soundpad.Soundlist\ = "Soundpad sound list"	Soundpad.exe
Key created	\REGISTRY\USER\S-1-5-21-1875162379-3804078649-638427191-1000_Classes\Soundpad.Soundlist\shell	Soundpad.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1875162379-3804078649-638427191-1000_Classes\Soundpad\ = "URL:Soundpad Protocol"	Soundpad.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AudioEngine\AudioProcessingObjects\{27384E53-9860-0AC1-9519-C60EBCAA2C71}\Copyright = "Copyright (C) 2016-2021 Leppsoft"	regsvr32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1875162379-3804078649-638427191-1000_Classes\.spl\OpenWithProgids\Soundpad.Soundlist	Soundpad.exe
Key created	\REGISTRY\MACHINE\Software\Classes\CLSID\{27384E53-9860-0AC1-9519-C60EBCAA2C71}\	Soundpad.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AudioEngine\AudioProcessingObjects\{27384E53-9860-0AC1-9519-C60EBCAA2C71}\Copyright = "Copyright (C) 2016-2021 Leppsoft"	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-1875162379-3804078649-638427191-1000_Classes\.spl\OpenWithList	Soundpad.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1875162379-3804078649-638427191-1000_Classes\Soundpad\URL Protocol	Soundpad.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\AudioEngine\AudioProcessingObjects\{27384E53-9860-0AC1-9519-C60EBCAA2C71}\Flags = "14"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\AudioEngine\AudioProcessingObjects\{27384E53-9860-0AC1-9519-C60EBCAA2C71}\MinorVersion = "6"	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-1875162379-3804078649-638427191-1000_Classes\Soundpad.Soundlist\shell\open\command\	Soundpad.exe
Key created	\REGISTRY\USER\S-1-5-21-1875162379-3804078649-638427191-1000_Classes\Soundpad\shell	Soundpad.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AudioEngine\AudioProcessingObjects\{27384E53-9860-0AC1-9519-C60EBCAA2C71}\FriendlyName = "UniteFx"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\AudioEngine\AudioProcessingObjects\{27384E53-9860-0AC1-9519-C60EBCAA2C71}\MinOutputConnections = "1"	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-1875162379-3804078649-638427191-1000_Classes\Soundpad\shell\open\command\	Soundpad.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\AudioEngine\AudioProcessingObjects\{27384E53-9860-0AC1-9519-C60EBCAA2C71}\MajorVersion = "1"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\AudioEngine\AudioProcessingObjects\{27384E53-9860-0AC1-9519-C60EBCAA2C71}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AudioEngine\AudioProcessingObjects\{27384E53-9860-0AC1-9519-C60EBCAA2C71}\FriendlyName = "UniteFx"	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-1875162379-3804078649-638427191-1000_Classes\Soundpad.Soundlist	Soundpad.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1875162379-3804078649-638427191-1000_Classes\Soundpad.Soundlist\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Soundpad_\\Soundpad.exe,1"	Soundpad.exe
Key created	\REGISTRY\USER\S-1-5-21-1875162379-3804078649-638427191-1000_Classes\.spl\OpenWithList\ehshell.exe	Soundpad.exe
Key created	\REGISTRY\USER\S-1-5-21-1875162379-3804078649-638427191-1000_Classes\.spl\OpenWithProgids	Soundpad.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AudioEngine\AudioProcessingObjects\{27384E53-9860-0AC1-9519-C60EBCAA2C71}\APOInterface0 = "{FD7F2B29-24D0-4B5C-B177-592C39F9CA10}"	regsvr32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1875162379-3804078649-638427191-1000_Classes\.spl\ = "Soundpad.Soundlist"	Soundpad.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{27384E53-9860-0AC1-9519-C60EBCAA2C71}\InprocServer32\ = "C:\\Windows\\system32\\UniteFx.dll"	Soundpad.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\AudioEngine\AudioProcessingObjects\{27384E53-9860-0AC1-9519-C60EBCAA2C71}\MaxInputConnections = "1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{27384E53-9860-0AC1-9519-C60EBCAA2C71}\InprocServer32\ThreadingModel = "Both"	Soundpad.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AudioEngine\AudioProcessingObjects\{27384E53-9860-0AC1-9519-C60EBCAA2C71}	regsvr32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1875162379-3804078649-638427191-1000_Classes\.spl\Content Type = "audio/soundpadlist"	Soundpad.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\AudioEngine\AudioProcessingObjects\{27384E53-9860-0AC1-9519-C60EBCAA2C71}\MaxInputConnections = "1"	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-1875162379-3804078649-638427191-1000_Classes\Soundpad.Soundlist\DefaultIcon	Soundpad.exe
Key created	\REGISTRY\USER\S-1-5-21-1875162379-3804078649-638427191-1000_Classes\Soundpad.Soundlist\shell\open	Soundpad.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1875162379-3804078649-638427191-1000_Classes\.spl\PerceivedType = "audio"	Soundpad.exe
Key created	\REGISTRY\USER\S-1-5-21-1875162379-3804078649-638427191-1000_Classes\Soundpad\shell\open\command	Soundpad.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\AudioEngine\AudioProcessingObjects\{27384E53-9860-0AC1-9519-C60EBCAA2C71}\MinInputConnections = "1"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\AudioEngine\AudioProcessingObjects\{27384E53-9860-0AC1-9519-C60EBCAA2C71}\NumAPOInterfaces = "1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\CLSID\{27384E53-9860-0AC1-9519-C60EBCAA2C71}\InprocServer32\	Soundpad.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\AudioEngine\AudioProcessingObjects\{27384E53-9860-0AC1-9519-C60EBCAA2C71}\MajorVersion = "1"	regsvr32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1875162379-3804078649-638427191-1000_Classes\Soundpad.Soundlist\shell\open\command\ = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Soundpad_\\Soundpad.exe\" \"%1\""	Soundpad.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1875162379-3804078649-638427191-1000_Classes\Soundpad\shell\open\command\ = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Soundpad_\\Soundpad.exe\" -c \"%1\""	Soundpad.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AudioEngine\AudioProcessingObjects	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\AudioEngine\AudioProcessingObjects\{27384E53-9860-0AC1-9519-C60EBCAA2C71}\MaxInstances = "4294967295"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AudioEngine\AudioProcessingObjects	regsvr32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1875162379-3804078649-638427191-1000_Classes\.spl\OpenWithList\ehshell.exe\	Soundpad.exe
Key created	\REGISTRY\USER\S-1-5-21-1875162379-3804078649-638427191-1000_Classes\Soundpad	Soundpad.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: 33	4652	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	4652	AUDIODG.EXE
Token: SeShutdownPrivilege	1608	Soundpad.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1608	Soundpad.exe
1608	Soundpad.exe
4256	SoundpadService.exe
4440	LogonUI.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1608 wrote to memory of 4256	1608	Soundpad.exe	89
PID 1608 wrote to memory of 2060	1608	Soundpad.exe	90
PID 1608 wrote to memory of 1936	1608	Soundpad.exe	91

C:\Users\Admin\AppData\Local\Temp\Soundpad_\Soundpad.exe
"C:\Users\Admin\AppData\Local\Temp\Soundpad_\Soundpad.exe"
1⤵
- Drops file in System32 directory
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1608
- C:\Users\Admin\AppData\Local\Temp\Soundpad_\SoundpadService.exe
  "C:\Users\Admin\AppData\Local\Temp\Soundpad_\SoundpadService.exe"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:4256
- C:\Windows\System32\regsvr32.exe
  "C:\Windows\System32\regsvr32.exe" /s "C:\Windows\system32\UniteFx.dll"
  2⤵
  - Loads dropped DLL
  - Modifies registry class
  PID:2060
- C:\Windows\System32\regsvr32.exe
  "C:\Windows\System32\regsvr32.exe" /s "C:\Windows\system32\UniteFx.dll"
  2⤵
  - Loads dropped DLL
  - Modifies registry class
  PID:1936

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x00000000000004F4 0x00000000000004F8
1⤵
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
PID:4652

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x4 /state0:0xa3a2c055 /state1:0x41c64e6d
1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:4440

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k GPSvcGroup
1⤵
PID:5476

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k CameraMonitor
1⤵
PID:3048

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

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

UniteFx.dll

Path C:\Windows\System32\UniteFx.dll
Size 255KB
SHA256 28e8cc63d50cd791de27dd00428351819eecffc5568ac06095ce471c9d3cf6e2
MD5 43a3a04ef8c961e938640021fac6b5c5
SHA1 b87b749b49c681a316086f25502af2ec6cf4df15
SHA512 f846c7e254a5db585005a38b21a423115da23c4541aefe71377632de6aaa2a348d8b6b5f9ec69ec96e0998adfcd4edac330d16c041e66e4cda78902df817e9a2
SSDEEP 3072:WPIAS8g6l1klvQj4ENDl59EvisOMGXoAWSEHnZTIj3doY46ER5tnHpwC0A0xBk9:CISUv4NDl59sisTG9a+ohLtnJwmsC9
TLSH
T1FD447D5677A50CB9E873817DC9634A06F7B27C1217B0C6BF0760826A5F277D0A93BB21
MD5 SHA1 SHA512 SSDEEP TLSH