Malware analysis Amus.exe Malicious activity | ANY.RUN

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File name:	Amus.exe
Full analysis:	https://app.any.run/tasks/6c0505dc-1a61-4265-89de-7e130f586acd
Verdict:	Malicious activity
Analysis date:	May 16, 2025, 16:05:42
OS:	Windows 10 Professional (build: 19044, 64 bit)
Tags:	networm amus
Indicators:
MIME:	application/vnd.microsoft.portable-executable
File info:	PE32 executable (GUI) Intel 80386, for MS Windows, 4 sections
MD5:	47ABD68080EEE0EA1B95AE31968A3069
SHA1:	FFBDF4B2224B92BD78779A7C5AC366CCB007C14D
SHA256:	B5FC4FD50E4BA69F0C8C8E5C402813C107C605CAB659960AC31B3C8356C4E0EC
SSDEEP:	768:/9NC1eO7wvsgyjgLCtKbqvYGjaESiKMH6BJJE+XqYq7wvefY:/9NC1eOMFyjt2/wDrcq/Mveg

ANY.RUN is an interactive service which provides full access to the guest system. Information in this report could be distorted by user actions and is provided for user acknowledgement as it is. ANY.RUN does not guarantee maliciousness or safety of the content.

Launch configuration

Task duration:: 60 seconds
Heavy Evasion option:: off
Network geolocation:: off
Additional time used:: none
MITM proxy:: off
Privacy:: Public submission
Fakenet option:: on
Route via Tor:: off
Autoconfirmation of UAC:: on
Network:: on

Software preset

Internet Explorer 11.3636.19041.0
Adobe Acrobat (64-bit) (23.001.20093)
Adobe Flash Player 32 NPAPI (32.0.0.465)
Adobe Flash Player 32 PPAPI (32.0.0.465)
CCleaner (6.20)
FileZilla 3.65.0 (3.65.0)
Google Chrome (122.0.6261.70)
Google Update Helper (1.3.36.51)
Java 8 Update 271 (64-bit) (8.0.2710.9)
Java Auto Updater (2.8.271.9)
Microsoft Edge (122.0.2365.59)
Microsoft Edge Update (1.3.185.17)
Microsoft Office Professional 2019 - de-de (16.0.16026.20146)
Microsoft Office Professional 2019 - en-us (16.0.16026.20146)
Microsoft Office Professional 2019 - es-es (16.0.16026.20146)
Microsoft Office Professional 2019 - it-it (16.0.16026.20146)
Microsoft Office Professional 2019 - ja-jp (16.0.16026.20146)
Microsoft Office Professional 2019 - ko-kr (16.0.16026.20146)
Microsoft Office Professional 2019 - pt-br (16.0.16026.20146)
Microsoft Office Professional 2019 - tr-tr (16.0.16026.20146)
Microsoft Office Professionnel 2019 - fr-fr (16.0.16026.20146)
Microsoft Office профессиональный 2019 - ru-ru (16.0.16026.20146)
Microsoft OneNote - en-us (16.0.16026.20146)
Microsoft Update Health Tools (3.74.0.0)
Microsoft Visual C++ 2013 Redistributable (x64) - 12.0.30501 (12.0.30501.0)
Microsoft Visual C++ 2013 x64 Additional Runtime - 12.0.21005 (12.0.21005)
Microsoft Visual C++ 2013 x64 Minimum Runtime - 12.0.21005 (12.0.21005)
Microsoft Visual C++ 2015-2022 Redistributable (x64) - 14.36.32532 (14.36.32532.0)
Microsoft Visual C++ 2015-2022 Redistributable (x86) - 14.36.32532 (14.36.32532.0)
Microsoft Visual C++ 2022 X64 Additional Runtime - 14.36.32532 (14.36.32532)
Microsoft Visual C++ 2022 X64 Minimum Runtime - 14.36.32532 (14.36.32532)
Microsoft Visual C++ 2022 X86 Additional Runtime - 14.36.32532 (14.36.32532)
Microsoft Visual C++ 2022 X86 Minimum Runtime - 14.36.32532 (14.36.32532)
Mozilla Firefox (x64 en-US) (123.0)
Mozilla Maintenance Service (123.0)
Notepad++ (64-bit x64) (7.9.1)
Office 16 Click-to-Run Extensibility Component (16.0.15726.20202)
Office 16 Click-to-Run Licensing Component (16.0.16026.20146)
Office 16 Click-to-Run Localization Component (16.0.15726.20202)
Office 16 Click-to-Run Localization Component (16.0.15928.20198)
PowerShell 7-x64 (7.3.5.0)
Skype version 8.104 (8.104)
Update for Windows 10 for x64-based Systems (KB4023057) (2.59.0.0)
Update for Windows 10 for x64-based Systems (KB4023057) (2.63.0.0)
Update for Windows 10 for x64-based Systems (KB4480730) (2.55.0.0)
Update for Windows 10 for x64-based Systems (KB5001716) (8.93.0.0)
VLC media player (3.0.11)
WinRAR 5.91 (64-bit) (5.91.0)
Windows PC Health Check (3.6.2204.08001)

Hotfixes

Client LanguagePack Package
DotNetRollup
DotNetRollup 481
FodMetadata Package
Foundation Package
Hello Face Package
InternetExplorer Optional Package
KB5003791
KB5011048
KB5015684
KB5033052
LanguageFeatures Basic en us Package
LanguageFeatures Handwriting en us Package
LanguageFeatures OCR en us Package
LanguageFeatures Speech en us Package
LanguageFeatures TextToSpeech en us Package
MSPaint FoD Package
MediaPlayer Package
Microsoft OneCore ApplicationModel Sync Desktop FOD Package
Microsoft OneCore DirectX Database FOD Package
NetFx3 OnDemand Package
Notepad FoD Package
OpenSSH Client Package
PowerShell ISE FOD Package
Printing PMCPPC FoD Package
Printing WFS FoD Package
ProfessionalEdition
QuickAssist Package
RollupFix
ServicingStack
ServicingStack 3989
StepsRecorder Package
TabletPCMath Package
UserExperience Desktop Package
WordPad FoD Package

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MALICIOUS
- NETWORM mutex has been found
  - Amus.exe (PID: 4920)
- Changes the autorun value in the registry
  - Amus.exe (PID: 4920)
SUSPICIOUS
- Reads security settings of Internet Explorer
  - Amus.exe (PID: 4920)
- Creates file in the systems drive root
  - Amus.exe (PID: 4920)
INFO
- The sample compiled with english language support
  - Amus.exe (PID: 4920)
- Checks supported languages
  - Amus.exe (PID: 4920)
- Create files in a temporary directory
  - Amus.exe (PID: 4920)
- Reads the computer name
  - Amus.exe (PID: 4920)
- Reads the machine GUID from the registry
  - Amus.exe (PID: 4920)
- Creates files or folders in the user directory
  - Amus.exe (PID: 4920)
- Failed to create an executable file in Windows directory
  - Amus.exe (PID: 4920)

Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report

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No Malware configuration.

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TRiD

.exe	\|	Win32 Executable Microsoft Visual Basic 6 (90.6)
.exe	\|	Win32 Executable (generic) (4.9)
.exe	\|	Generic Win/DOS Executable (2.2)
.exe	\|	DOS Executable Generic (2.2)

EXIF

EXE

MachineType:	Intel 386 or later, and compatibles
TimeStamp:	2004:08:06 08:47:16+00:00
ImageFileCharacteristics:	No relocs, Executable, No line numbers, No symbols, 32-bit
PEType:	PE32
LinkerVersion:	6
CodeSize:	28672
InitializedDataSize:	16384
UninitializedDataSize:	-
EntryPoint:	0x1534
OSVersion:	4
ImageVersion:	1
SubsystemVersion:	4
Subsystem:	Windows GUI
FileVersionNumber:	1.0.0.0
ProductVersionNumber:	1.0.0.0
FileFlagsMask:	0x0000
FileFlags:	(none)
FileOS:	Win32
ObjectFileType:	Executable application
FileSubtype:	-
LanguageCode:	English (U.S.)
CharacterSet:	Unicode
CompanyName:	Masum
LegalTrademarks:	@2004 Eregli
ProductName:	Masum
FileVersion:	1
ProductVersion:	1
InternalName:	Masum
OriginalFileName:	Masum.exe

No data.

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All screenshots are available in the full report

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Total processes

132

Monitored processes

Malicious processes

Suspicious processes

Behavior graph

Click at the process to see the details

Process information

PID

CMD

Path

Indicators

Parent process

3888

C:\WINDOWS\system32\SppExtComObj.exe -Embedding

C:\Windows\System32\SppExtComObj.Exe

—

svchost.exe

User:

NETWORK SERVICE

Company:

Microsoft Corporation

Integrity Level:

SYSTEM

Description:

KMS Connection Broker

Version:

10.0.19041.3996 (WinBuild.160101.0800)

Modules

Images
c:\windows\system32\sppextcomobj.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\bcrypt.dll
c:\windows\system32\oleaut32.dll

4920

"C:\Users\admin\AppData\Local\Temp\Amus.exe"

C:\Users\admin\AppData\Local\Temp\Amus.exe

explorer.exe

User:

admin

Company:

Masum

Integrity Level:

MEDIUM

Version:

1.00

Modules

Images
c:\users\admin\appdata\local\temp\amus.exe
c:\windows\system32\ntdll.dll
c:\windows\syswow64\ntdll.dll
c:\windows\system32\wow64.dll
c:\windows\system32\wow64win.dll
c:\windows\system32\wow64cpu.dll
c:\windows\syswow64\kernel32.dll
c:\windows\syswow64\kernelbase.dll
c:\windows\syswow64\apphelp.dll
c:\windows\syswow64\msvbvm60.dll

5436

"C:\Program Files\Microsoft Office\Root\Office16\OUTLOOK.EXE" -Embedding

C:\Program Files\Microsoft Office\root\Office16\OUTLOOK.EXE

svchost.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Microsoft Outlook

Exit code:

Version:

16.0.16026.20146

Modules

Images
c:\program files\microsoft office\root\office16\outlook.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll

6988

"C:\WINDOWS\System32\SLUI.exe" RuleId=3482d82e-ca2c-4e1f-8864-da0267b484b2;Action=AutoActivate;AppId=55c92734-d682-4d71-983e-d6ec3f16059f;SkuId=4de7cb65-cdf1-4de9-8ae8-e3cce27b9f2c;NotificationInterval=1440;Trigger=TimerEvent

C:\Windows\System32\slui.exe

—

SppExtComObj.Exe

User:

NETWORK SERVICE

Company:

Microsoft Corporation

Integrity Level:

SYSTEM

Description:

Windows Activation Client

Version:

10.0.19041.1 (WinBuild.160101.0800)

Modules

Images
c:\windows\system32\slui.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\bcrypt.dll
c:\windows\system32\user32.dll

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Total events

8 389

Read events

8 090

Write events

272

Delete events

Modification events


(PID) Process:	(4920) Amus.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\Microsoft\Speech\AudioOutput\TokenEnums\MMAudioOut\{0.0.0.00000000}.{9a7a2494-d921-4b91-8899-38d44cd79857}
Operation:	write	Name:	CLSID
Value: {A8C680EB-3D32-11D2-9EE7-00C04F797396}
(PID) Process:	(4920) Amus.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\Microsoft\Speech\AudioOutput\TokenEnums\MMAudioOut\{0.0.0.00000000}.{9a7a2494-d921-4b91-8899-38d44cd79857}
Operation:	write	Name:	DeviceName
Value: Speakers (2- Realtek AC'97 Audio)
(PID) Process:	(4920) Amus.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\Microsoft\Speech\AudioOutput\TokenEnums\MMAudioOut\{0.0.0.00000000}.{9a7a2494-d921-4b91-8899-38d44cd79857}
Operation:	write	Name:	DeviceId
Value: {0.0.0.00000000}.{9a7a2494-d921-4b91-8899-38d44cd79857}
(PID) Process:	(4920) Amus.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\Microsoft\Speech\AudioOutput\TokenEnums\MMAudioOut\{0.0.0.00000000}.{9a7a2494-d921-4b91-8899-38d44cd79857}\Attributes
Operation:	write	Name:	Vendor
Value: Microsoft
(PID) Process:	(4920) Amus.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\Microsoft\Speech\AudioOutput\TokenEnums\MMAudioOut\{0.0.0.00000000}.{9a7a2494-d921-4b91-8899-38d44cd79857}\Attributes
Operation:	write	Name:	Technology
Value: MMSys
(PID) Process:	(4920) Amus.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\Microsoft\Speech\AudioOutput
Operation:	write	Name:	DefaultTokenId
Value: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Speech\AudioOutput\TokenEnums\MMAudioOut\
(PID) Process:	(4920) Amus.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\Microsoft\Masum
Operation:	write	Name:	Who
Value: OnEmLi_DeGiL
(PID) Process:	(4920) Amus.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run
Operation:	write	Name:	Microzoft_Ofiz
Value: C:\Windows\KdzEregli.exe
(PID) Process:	(4920) Amus.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\Microsoft\Speech_OneCore\Isolated\YJRP-ZYlwId9yXOMu3hKgnjScm7zbtzqWEDUfG9O1D0\HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Speech_OneCore\AudioInput
Operation:	write	Name:	DefaultDefaultTokenId
Value: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Speech_OneCore\AudioInput\TokenEnums\MMAudioIn\
(PID) Process:	(4920) Amus.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\Microsoft\Speech_OneCore\Isolated\YJRP-ZYlwId9yXOMu3hKgnjScm7zbtzqWEDUfG9O1D0\HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Speech_OneCore\AudioInput\TokenEnums\MMAudioIn
Operation:	write	Name:	CLSID
Value: {14E74C62-DC97-43B0-8F2F-581496A65D60}

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Executable files

Suspicious files

Text files

Unknown types

Dropped files

PID	Process	Filename		Type
5436	OUTLOOK.EXE	C:\Users\admin\Documents\Outlook Files\Outlook1.pst		—
		MD5:—	SHA256:—
5436	OUTLOOK.EXE	C:\Users\admin\AppData\Local\Microsoft\Outlook\RoamCache\Stream_TableViewPreviewPrefs_2_3C7AA58948EFAE48B939EB8CE1D40991.dat		xml
		MD5:0E092DB99AEE99FDFF9B5B222C732CFD	SHA256:D1614AD99ADED9F6F5C1BE7FE7FFA5124BD04A526580DA3818EA8A954E852AA6
5436	OUTLOOK.EXE	C:\Users\admin\AppData\Local\Microsoft\TokenBroker\Cache\56a61aeb75d8f5be186c26607f4bb213abe7c5ec.tbres		binary
		MD5:A2C131F2DFF7D8428BD4791A4593B7EB	SHA256:C035642B94935AE284CC1D03F485A4C7823ECEAE5907A4B0631EC02443E275C6
4920	Amus.exe	C:\Users\admin\AppData\Roaming\Microsoft\Speech\Files\UserLexicons\SP_3168B5EDEB5F42BD9DD1DC03248DE8B4.dat		binary
		MD5:10426E2D312735B39D9EE7BD70665D9B	SHA256:D894B8B8F396FDD19743012E3FD2230E96373F1E3BE7946DFC68B2B34B6D15F9
5436	OUTLOOK.EXE	C:\Users\admin\AppData\Local\Microsoft\TokenBroker\Cache\089d66ba04a8cec4bdc5267f42f39cf84278bb67.tbres		binary
		MD5:96F2E9BF39FF50A163E5C5B93D13E178	SHA256:F7845ADEF957F6FD109F5A4904D2B5CD8F3589F1775EC167721CB2F049862F82
5436	OUTLOOK.EXE	C:\Users\admin\AppData\Local\Microsoft\Office\OTele\outlook.exe.db-shm		binary
		MD5:3D1DBBAB939B8C9F4162974C348DB23B	SHA256:5BC7B1DBA951D7A4B01FC8D3EA373A109A626B6A119A6708AED5AA2DA2CCFCF6
5436	OUTLOOK.EXE	C:\Users\admin\AppData\Local\Microsoft\Office\OTele\outlook.exe.db-wal		binary
		MD5:D3F45BFAB932E71E454CE26D3686ACAD	SHA256:D8ADC5AEEBD640FF38AEEA643FA6BA56A9450370D88EE373DDB1A4C26668142C
5436	OUTLOOK.EXE	C:\Users\admin\Documents\Outlook Files\~Outlook1.pst.tmp		binary
		MD5:5AFC4E777796933682361196B536484F	SHA256:E60B2208EFE8C58A292E41CBAED975F0A51AA657819DB6C3DAA94EF912DF5844
5436	OUTLOOK.EXE	C:\Users\admin\AppData\Local\Temp\Outlook Logging\OUTLOOK_16_0_16026_20146-20250516T1606000139-5436.etl		binary
		MD5:C356F227CD2A0B3A47CF29C9ACC642F6	SHA256:F2D4EAFEA587E0478961C4ADF75847F0C5B5B80E9ABD393D6DD905F101F8A145

Download PCAP, analyze network streams, HTTP content and a lot more at the full report

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HTTP(S) requests

TCP/UDP connections

DNS requests

Threats

HTTP requests

No HTTP requests

Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID	Process	IP	Domain	ASN	CN	Reputation
4	System	192.168.100.255:138	—	—	—	whitelisted
—	—	51.104.136.2:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	IE	whitelisted
5496	MoUsoCoreWorker.exe	4.231.128.59:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	IE	whitelisted
2112	svchost.exe	4.231.128.59:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	IE	whitelisted
5436	OUTLOOK.EXE	52.123.129.14:443	ecs.office.com	MICROSOFT-CORP-MSN-AS-BLOCK	US	whitelisted
5436	OUTLOOK.EXE	23.50.131.87:443	omex.cdn.office.net	Akamai International B.V.	DE	whitelisted
2104	svchost.exe	4.231.128.59:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	IE	whitelisted
4	System	192.168.100.255:137	—	—	—	whitelisted
5436	OUTLOOK.EXE	104.208.16.95:443	self.events.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	US	whitelisted

DNS requests

Domain	IP	Reputation
settings-win.data.microsoft.com	51.104.136.2 4.231.128.59	whitelisted
google.com	142.250.185.78	whitelisted
ecs.office.com	52.123.129.14 52.123.128.14	whitelisted
omex.cdn.office.net	23.50.131.87 23.50.131.86	whitelisted
self.events.data.microsoft.com	104.208.16.95	whitelisted

Threats

No threats detected

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No debug info

General Info

Amus.exe

47ABD68080EEE0EA1B95AE31968A3069

FFBDF4B2224B92BD78779A7C5AC366CCB007C14D

B5FC4FD50E4BA69F0C8C8E5C402813C107C605CAB659960AC31B3C8356C4E0EC

768:/9NC1eO7wvsgyjgLCtKbqvYGjaESiKMH6BJJE+XqYq7wvefY:/9NC1eOMFyjt2/wDrcq/Mveg

Software environment set and analysis options

Launch configuration

Software preset

Hotfixes

Behavior activities

MALICIOUS

NETWORM mutex has been found

Changes the autorun value in the registry

SUSPICIOUS

Reads security settings of Internet Explorer

Creates file in the systems drive root

INFO

The sample compiled with english language support

Checks supported languages

Create files in a temporary directory

Reads the computer name

Reads the machine GUID from the registry

Creates files or folders in the user directory

Failed to create an executable file in Windows directory

Malware configuration

Static information

TRiD

EXIF

EXE

Video and screenshots

Processes

Behavior graph

Specs description

Process information

Information

Modules

Information

Modules

Information

Modules

Information

Modules

Registry activity

Modification events

Files activity

Dropped files

Network activity

HTTP requests

Connections

DNS requests

Threats

Debug output strings