Overview
overview
8Static
static
3VoiceChang...8).exe
windows10-2004-x64
4VoiceChang...8).exe
windows11-ltsc_2024-x64
4$8/APOConfig.exe
windows10-2004-x64
5$8/APOConfig.exe
windows11-ltsc_2024-x64
5$8/AudioChanger.exe
windows10-2004-x64
1$8/AudioChanger.exe
windows11-ltsc_2024-x64
1$8/Clownfi...er.exe
windows10-2004-x64
5$8/Clownfi...er.exe
windows11-ltsc_2024-x64
5$8/ClownfshAPO64.dll
windows10-2004-x64
5$8/ClownfshAPO64.dll
windows11-ltsc_2024-x64
6$PLUGINSDI...LL.dll
windows10-2004-x64
3$PLUGINSDI...LL.dll
windows11-ltsc_2024-x64
8$PLUGINSDI...st.dll
windows10-2004-x64
3$PLUGINSDI...st.dll
windows11-ltsc_2024-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
3$PLUGINSDI...em.dll
windows11-ltsc_2024-x64
8$PLUGINSDI...gs.dll
windows10-2004-x64
3$PLUGINSDI...gs.dll
windows11-ltsc_2024-x64
3Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
08/07/2026, 01:32
Static task
static1
Behavioral task
behavioral1
Sample
VoiceChanger64(1.98).exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
VoiceChanger64(1.98).exe
Resource
win11ltsc2024-20260706-en
Behavioral task
behavioral3
Sample
$8/APOConfig.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral4
Sample
$8/APOConfig.exe
Resource
win11ltsc2024-20260706-en
Behavioral task
behavioral5
Sample
$8/AudioChanger.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral6
Sample
$8/AudioChanger.exe
Resource
win11ltsc2024-20260706-en
Behavioral task
behavioral7
Sample
$8/ClownfishVoiceChanger.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral8
Sample
$8/ClownfishVoiceChanger.exe
Resource
win11ltsc2024-20260706-en
Behavioral task
behavioral9
Sample
$8/ClownfshAPO64.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral10
Sample
$8/ClownfshAPO64.dll
Resource
win11ltsc2024-20260706-en
Behavioral task
behavioral11
Sample
$PLUGINSDIR/KillProcDLL.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral12
Sample
$PLUGINSDIR/KillProcDLL.dll
Resource
win11ltsc2024-20260706-en
Behavioral task
behavioral13
Sample
$PLUGINSDIR/LockedList.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral14
Sample
$PLUGINSDIR/LockedList.dll
Resource
win11ltsc2024-20260706-en
Behavioral task
behavioral15
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral16
Sample
$PLUGINSDIR/System.dll
Resource
win11ltsc2024-20260706-en
Behavioral task
behavioral17
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral18
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win11ltsc2024-20260706-en
General
- Target $8/APOConfig.exe
- Size 179KB
- Sample260708-byeekshy7k
- SHA256 fb6425eefee8b2d3fec513287345f7a9c4595b39713c4780bcb4b98beb36fcd0
- MD5 0e70563e006d3bc4568118f57aaf5b7d
- SHA1 0f739182bfa50aeacd8d9c5fdb71b5281737d446
- SHA512 43871d9a9a754f87ff093324395eff6f09bc9d7e8f415dffe8f4133a275af3beb65478d8dc9623e9ac8d890f208bedd193bfe2b5a1ebb86ef4dd72bd1cf0c51d
- SSDEEP 3072:bW/zvSxhEh1HDXDK4g7a4rt7TDdMhHGvRf/ZqtZDeiSTOETBAlrQwy+MPyFrspfp:bWu2Xsr1TRMQ5fBqbETBAlZ7MPyhch
- TLSH T159047C21B6D0D472E5B3193069F8CBB19A6EFC711F20498B63844BBA5E342D19635F3B
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2937465464-4167303362-2236413517-1000\Control Panel\International\Geo\Nation APOConfig.exe - 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.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language regsvr32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language APOConfig.exe - Modifies registry class 19 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\AudioEngine\AudioProcessingObjects regsvr32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\AudioEngine\AudioProcessingObjects\{80E0C6D1-9465-43B2-9BD5-27A3A56CF1B3}\MajorVersion = "1" regsvr32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\AudioEngine\AudioProcessingObjects\{80E0C6D1-9465-43B2-9BD5-27A3A56CF1B3}\MaxOutputConnections = "1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{80E0C6D1-9465-43B2-9BD5-27A3A56CF1B3} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{80E0C6D1-9465-43B2-9BD5-27A3A56CF1B3}\ = "ClownfishAPO" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\AudioEngine\AudioProcessingObjects\{80E0C6D1-9465-43B2-9BD5-27A3A56CF1B3}\FriendlyName = "ClownfishAPO" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\AudioEngine\AudioProcessingObjects\{80E0C6D1-9465-43B2-9BD5-27A3A56CF1B3}\Copyright = "Developed in Shark Labs, Sofia, 2016-2024" regsvr32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\AudioEngine\AudioProcessingObjects\{80E0C6D1-9465-43B2-9BD5-27A3A56CF1B3}\Flags = "15" regsvr32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\AudioEngine\AudioProcessingObjects\{80E0C6D1-9465-43B2-9BD5-27A3A56CF1B3}\MinInputConnections = "1" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\AudioEngine\AudioProcessingObjects\{80E0C6D1-9465-43B2-9BD5-27A3A56CF1B3}\APOInterface0 = "{FD7F2B29-24D0-4B5C-B177-592C39F9CA10}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{80E0C6D1-9465-43B2-9BD5-27A3A56CF1B3}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\$8\\ClownfshAPO64.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\AudioEngine\AudioProcessingObjects\{80E0C6D1-9465-43B2-9BD5-27A3A56CF1B3} regsvr32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\AudioEngine\AudioProcessingObjects\{80E0C6D1-9465-43B2-9BD5-27A3A56CF1B3}\MinorVersion = "0" regsvr32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\AudioEngine\AudioProcessingObjects\{80E0C6D1-9465-43B2-9BD5-27A3A56CF1B3}\MaxInstances = "4294967295" regsvr32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\AudioEngine\AudioProcessingObjects\{80E0C6D1-9465-43B2-9BD5-27A3A56CF1B3}\NumAPOInterfaces = "1" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{80E0C6D1-9465-43B2-9BD5-27A3A56CF1B3}\InprocServer32\ThreadingModel = "Both" regsvr32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\AudioEngine\AudioProcessingObjects\{80E0C6D1-9465-43B2-9BD5-27A3A56CF1B3}\MaxInputConnections = "1" regsvr32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\AudioEngine\AudioProcessingObjects\{80E0C6D1-9465-43B2-9BD5-27A3A56CF1B3}\MinOutputConnections = "1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{80E0C6D1-9465-43B2-9BD5-27A3A56CF1B3}\InprocServer32 regsvr32.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeTakeOwnershipPrivilege 5028 APOConfig.exe - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 5028 wrote to memory of 992 5028 APOConfig.exe 86 PID 992 wrote to memory of 976 992 regsvr32.exe 87
Processes
-
C:\Users\Admin\AppData\Local\Temp\$8\APOConfig.exe"C:\Users\Admin\AppData\Local\Temp\$8\APOConfig.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5028 -
C:\Windows\SysWOW64\regsvr32.exe"C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\$8\ClownfshAPO64.dll"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:992 -
C:\Windows\system32\regsvr32.exe/s "C:\Users\Admin\AppData\Local\Temp\$8\ClownfshAPO64.dll"3⤵
- Modifies registry class
PID:976
-
-
-
C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s AudioEndpointBuilder1⤵PID:2764