Malware analysis Mumu_essentials.zip Malicious activity

Add for printing

File name:	Mumu_essentials.zip
Full analysis:	https://app.any.run/tasks/e1ee1fdd-47e5-4ff6-92b8-82058fb1edfc
Verdict:	Malicious activity
Analysis date:	September 03, 2025, 17:21:08
OS:	Windows 10 Professional (build: 19044, 64 bit)
Tags:	arch-exec arch-doc
Indicators:
MIME:	application/zip
File info:	Zip archive data, at least v2.0 to extract, compression method=deflate
MD5:	24DC16F9287F55320C1DD4222C25BD3B
SHA1:	1BB99C1651BDF73EC549549D1D147E9D0C336014
SHA256:	65668FE0F9965A5BCA1AC362658FD09AC51B6FAEF8EF633FCD2E0FC38785ED07
SSDEEP:	98304:9pAunivpJDY/nePQJVntPZpvv3i1WPrZ96veKiFS0hXezIaGeWr1KLoBkqEXrFgd:0QA4O6sRsYgfXhZHzWBMzOOCmH

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:: off
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 (133.0.6943.127)
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 (133.0.3065.92)
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) (136.0)
Mozilla Maintenance Service (136.0)
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)
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

Add for printing

MALICIOUS
- Generic archive extractor
  - WinRAR.exe (PID: 2848)
SUSPICIOUS
- Start notepad (likely ransomware note)
  - WinRAR.exe (PID: 2848)
- Application launched itself
  - WinRAR.exe (PID: 2848)
- Reads security settings of Internet Explorer
  - WinRAR.exe (PID: 2848)
  - GameBar.exe (PID: 6292)
INFO
- Manual execution by a user
  - Fusion.exe (PID: 3732)
  - Fusion.exe (PID: 7020)
- Reads Microsoft Office registry keys
  - WinRAR.exe (PID: 2848)
- Executable content was dropped or overwritten
  - WinRAR.exe (PID: 3852)
- Reads security settings of Internet Explorer
  - notepad.exe (PID: 1096)
- Checks supported languages
  - Fusion.exe (PID: 7020)
  - GameBar.exe (PID: 6292)
- Reads the computer name
  - GameBar.exe (PID: 6292)
  - Fusion.exe (PID: 7020)
- Create files in a temporary directory
  - Fusion.exe (PID: 7020)

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

Add for printing

No Malware configuration.

Add for printing

TRiD

.zip	\|	ZIP compressed archive (100)

EXIF

ZIP

ZipRequiredVersion:	20
ZipBitFlag:	-
ZipCompression:	Deflated
ZipModifyDate:	2025:05:06 01:05:58
ZipCRC:	0x6e016e1c
ZipCompressedSize:	6373
ZipUncompressedSize:	34134
ZipFileName:	Aio by RoaR.bat

No data.

Add for printing

All screenshots are available in the full report

Add for printing

Total processes

145

Monitored processes

Malicious processes

Suspicious processes

Behavior graph

Click at the process to see the details

Process information

PID

CMD

Path

Indicators

Parent process

1096

"C:\WINDOWS\system32\NOTEPAD.EXE" C:\Users\admin\AppData\Local\Temp\Rar$DIa2848.24693\password.txt

C:\Windows\System32\notepad.exe

—

WinRAR.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Notepad

Exit code:

Version:

10.0.19041.1 (WinBuild.160101.0800)

Modules

Images
c:\windows\system32\notepad.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\win32u.dll
c:\windows\system32\gdi32full.dll
c:\windows\system32\msvcp_win.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\user32.dll

1636

"C:\Program Files\WinRAR\WinRAR.exe" C:\Users\admin\AppData\Local\Temp\Rar$DIa2848.22469\Fusion.zip

C:\Program Files\WinRAR\WinRAR.exe

—

WinRAR.exe

User:

admin

Company:

Alexander Roshal

Integrity Level:

MEDIUM

Description:

WinRAR archiver

Exit code:

Version:

5.91.0

Modules

Images
c:\program files\winrar\winrar.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\user32.dll
c:\windows\system32\win32u.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\gdi32full.dll
c:\windows\system32\msvcp_win.dll
c:\windows\system32\ucrtbase.dll

2848

"C:\Program Files\WinRAR\WinRAR.exe" C:\Users\admin\Downloads\Mumu_essentials.zip

C:\Program Files\WinRAR\WinRAR.exe

—

explorer.exe

User:

admin

Company:

Alexander Roshal

Integrity Level:

MEDIUM

Description:

WinRAR archiver

Exit code:

Version:

5.91.0

Modules

Images
c:\program files\winrar\winrar.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\user32.dll
c:\windows\system32\win32u.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\gdi32full.dll
c:\windows\system32\msvcp_win.dll
c:\windows\system32\ucrtbase.dll

3732

"C:\Users\admin\Desktop\Fusion.exe"

C:\Users\admin\Desktop\Fusion.exe

—

explorer.exe

User:

admin

Integrity Level:

MEDIUM

Exit code:

3221226540

Modules

Images
c:\users\admin\desktop\fusion.exe
c:\windows\system32\ntdll.dll

3768

C:\WINDOWS\System32\slui.exe -Embedding

C:\Windows\System32\slui.exe

—

svchost.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

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

3852

"C:\Program Files\WinRAR\WinRAR.exe" C:\Users\admin\AppData\Local\Temp\Rar$DIa2848.25154\Fusion.zip

C:\Program Files\WinRAR\WinRAR.exe

WinRAR.exe

User:

admin

Company:

Alexander Roshal

Integrity Level:

MEDIUM

Description:

WinRAR archiver

Exit code:

Version:

5.91.0

Modules

Images
c:\program files\winrar\winrar.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\user32.dll
c:\windows\system32\win32u.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\gdi32full.dll
c:\windows\system32\msvcp_win.dll
c:\windows\system32\ucrtbase.dll

6292

"C:\Program Files\WindowsApps\Microsoft.XboxGamingOverlay_2.34.28001.0_x64__8wekyb3d8bbwe\GameBar.exe" -ServerName:App.AppXbdkk0yrkwpcgeaem8zk81k8py1eaahny.mca

C:\Program Files\WindowsApps\Microsoft.XboxGamingOverlay_2.34.28001.0_x64__8wekyb3d8bbwe\GameBar.exe

—

svchost.exe

User:

admin

Integrity Level:

MEDIUM

Modules

Images
c:\program files\windowsapps\microsoft.xboxgamingoverlay_2.34.28001.0_x64__8wekyb3d8bbwe\gamebar.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\combase.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\rpcrt4.dll
c:\program files\windowsapps\microsoft.vclibs.140.00_14.0.27323.0_x64__8wekyb3d8bbwe\vccorlib140_app.dll
c:\program files\windowsapps\microsoft.vclibs.140.00_14.0.27323.0_x64__8wekyb3d8bbwe\msvcp140_app.dll
c:\windows\system32\oleaut32.dll

7020

"C:\Users\admin\Desktop\Fusion.exe"

C:\Users\admin\Desktop\Fusion.exe

explorer.exe

User:

admin

Integrity Level:

HIGH

Modules

Images
c:\users\admin\desktop\fusion.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\system32\user32.dll
c:\windows\system32\win32u.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\gdi32full.dll
c:\windows\system32\msvcp_win.dll

Add for printing

Total events

8 487

Read events

8 420

Write events

Delete events

Modification events


(PID) Process:	(2848) WinRAR.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory
Operation:	write	Name:	3
Value: C:\Users\admin\Desktop\preferences.zip
(PID) Process:	(2848) WinRAR.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory
Operation:	write	Name:	2
Value: C:\Users\admin\Desktop\chromium_ext.zip
(PID) Process:	(2848) WinRAR.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory
Operation:	write	Name:	1
Value: C:\Users\admin\Desktop\omni_23_10_2024_.zip
(PID) Process:	(2848) WinRAR.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory
Operation:	write	Name:	0
Value: C:\Users\admin\Downloads\Mumu_essentials.zip
(PID) Process:	(2848) WinRAR.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths
Operation:	write	Name:	name
Value: 120
(PID) Process:	(2848) WinRAR.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths
Operation:	write	Name:	size
Value: 80
(PID) Process:	(2848) WinRAR.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths
Operation:	write	Name:	type
Value: 120
(PID) Process:	(2848) WinRAR.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths
Operation:	write	Name:	mtime
Value: 100
(PID) Process:	(1636) WinRAR.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory
Operation:	write	Name:	3
Value: C:\Users\admin\Desktop\chromium_ext.zip
(PID) Process:	(1636) WinRAR.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory
Operation:	write	Name:	2
Value: C:\Users\admin\Desktop\omni_23_10_2024_.zip

Add for printing

Executable files

Suspicious files

Text files

Unknown types

Dropped files

PID	Process	Filename		Type
2848	WinRAR.exe	C:\Users\admin\AppData\Local\Temp\Rar$DIa2848.25154\Fusion.zip		compressed
		MD5:728E900AB6C2D63EFF8CA0D986919E32	SHA256:D6761C28CF099BE9E53602F4D4F4A6E36E797D76959766C167DD30EEE7E33ABE
3852	WinRAR.exe	C:\Users\admin\AppData\Local\Temp\Rar$DRb3852.25705\Fusion.exe		executable
		MD5:422E4D3B6CCD200F3C0DF013306BE122	SHA256:4823D20B933C5530BCFA52C9182FFB1C388B7B8472C6F4378B90E855B8E580D6
2848	WinRAR.exe	C:\Users\admin\AppData\Local\Temp\Rar$DIa2848.22469\Fusion.zip		compressed
		MD5:728E900AB6C2D63EFF8CA0D986919E32	SHA256:D6761C28CF099BE9E53602F4D4F4A6E36E797D76959766C167DD30EEE7E33ABE
2848	WinRAR.exe	C:\Users\admin\AppData\Local\Temp\Rar$DIa2848.24693\password.txt		text
		MD5:856DAC7F35E1F86409BFE13550080402	SHA256:FCFBE9286E247648D83F19696843409835FAA3A7DDC79E86DC4D28381DFC281E

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

Add for printing

HTTP(S) requests

TCP/UDP connections

DNS requests

Threats

HTTP requests

PID	Process	Method	HTTP Code	IP	URL	CN	Type	Size	Reputation
5628	SIHClient.exe	GET	200	69.192.161.161:80	http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl	DE	binary	407 b	whitelisted
1268	svchost.exe	GET	200	95.101.149.131:80	http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl	NL	binary	814 b	whitelisted
6756	svchost.exe	GET	200	184.30.131.245:80	http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D	US	binary	471 b	whitelisted
1268	svchost.exe	GET	200	23.55.110.193:80	http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl	DE	binary	825 b	whitelisted
5628	SIHClient.exe	GET	200	69.192.161.161:80	http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl	DE	binary	419 b	whitelisted

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	192.168.100.255:137	—	—	—	whitelisted
—	—	51.104.136.2:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	IE	whitelisted
4	System	192.168.100.255:138	—	—	—	whitelisted
1268	svchost.exe	20.73.194.208:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	NL	whitelisted
1268	svchost.exe	23.55.110.193:80	crl.microsoft.com	Akamai International B.V.	DE	whitelisted
1268	svchost.exe	95.101.149.131:80	www.microsoft.com	Akamai International B.V.	NL	whitelisted
1268	svchost.exe	4.231.128.59:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	IE	whitelisted
5944	MoUsoCoreWorker.exe	51.124.78.146:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	NL	whitelisted
6756	svchost.exe	40.126.32.76:443	login.live.com	MICROSOFT-CORP-MSN-AS-BLOCK	NL	whitelisted
6756	svchost.exe	184.30.131.245:80	ocsp.digicert.com	AKAMAI-AS	US	whitelisted

DNS requests

Domain	IP	Reputation
settings-win.data.microsoft.com	51.104.136.2 20.73.194.208 4.231.128.59 51.124.78.146	whitelisted
google.com	142.250.185.238	whitelisted
crl.microsoft.com	23.55.110.193 23.55.110.211	whitelisted
www.microsoft.com	95.101.149.131 69.192.161.161	whitelisted
login.live.com	40.126.32.76 40.126.32.68 20.190.160.67 40.126.32.74 20.190.160.20 20.190.160.128 20.190.160.14 20.190.160.3	whitelisted
ocsp.digicert.com	184.30.131.245	whitelisted
slscr.update.microsoft.com	74.178.76.128	whitelisted
fe3cr.delivery.mp.microsoft.com	20.3.187.198	whitelisted
self.events.data.microsoft.com	104.208.16.91	whitelisted
client.wns.windows.com	172.211.123.250	whitelisted

Threats

No threats detected

Add for printing

No debug info

General Info

Mumu_essentials.zip

24DC16F9287F55320C1DD4222C25BD3B

1BB99C1651BDF73EC549549D1D147E9D0C336014

65668FE0F9965A5BCA1AC362658FD09AC51B6FAEF8EF633FCD2E0FC38785ED07

98304:9pAunivpJDY/nePQJVntPZpvv3i1WPrZ96veKiFS0hXezIaGeWr1KLoBkqEXrFgd:0QA4O6sRsYgfXhZHzWBMzOOCmH

Software environment set and analysis options

Launch configuration

Software preset

Hotfixes

Behavior activities

MALICIOUS

Generic archive extractor

SUSPICIOUS

Start notepad (likely ransomware note)

Application launched itself

Reads security settings of Internet Explorer

INFO

Manual execution by a user

Reads Microsoft Office registry keys

Executable content was dropped or overwritten

Reads security settings of Internet Explorer

Checks supported languages

Reads the computer name

Create files in a temporary directory

Malware configuration

Static information

TRiD

EXIF

ZIP

Video and screenshots

Processes

Behavior graph

Specs description

Process information

Information

Modules

Information

Modules

Information

Modules

Information

Modules

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