Malware analysis 7z.exe Malicious activity | ANY.RUN

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File name:	7z.exe
Full analysis:	https://app.any.run/tasks/d4d2891e-d126-4341-832d-606b86abab75
Verdict:	Malicious activity
Analysis date:	June 21, 2025, 16:41:16
OS:	Windows 10 Professional (build: 19044, 64 bit)
Indicators:
MIME:	application/vnd.microsoft.portable-executable
File info:	PE32 executable (GUI) Intel 80386, for MS Windows, 2 sections
MD5:	15DCDDE5C38E01174D1D20B631F69526
SHA1:	CB71AB8275DE40A974F2EF85EF80DFF990C3E986
SHA256:	71A13BA4A3776CDE8A15A56F41369E512856589A751D126EB0A96C9019A20A65
SSDEEP:	24576:Vfagsg0kCvUrfJ4MgNEkdf3GXTgmHg5WEoE9ZErzj76:Vf5sncrR4MgNEkdf2XTgmHg5+rzj7

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:: 120 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

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MALICIOUS
- Starts NET.EXE for service management
  - 7z.exe (PID: 6768)
  - net.exe (PID: 5616)
SUSPICIOUS
- Modifies hosts file to alter network resolution
  - 7z.exe (PID: 6768)
- Executable content was dropped or overwritten
  - 7z.exe (PID: 6768)
  - cmd.exe (PID: 6260)
- Drops 7-zip archiver for unpacking
  - 7z.exe (PID: 6768)
  - cmd.exe (PID: 6260)
- Executing commands from a ".bat" file
  - 7z.exe (PID: 6768)
- Starts CMD.EXE for commands execution
  - 7z.exe (PID: 6768)
- The executable file from the user directory is run by the CMD process
  - 7z.exe (PID: 3196)
INFO
- The sample compiled with chinese language support
  - 7z.exe (PID: 6768)
- Checks supported languages
  - 7z.exe (PID: 6768)
  - 7z.exe (PID: 3196)
- Failed to create an executable file in Windows directory
  - 7z.exe (PID: 6768)
- Create files in a temporary directory
  - 7z.exe (PID: 6768)
- The sample compiled with english language support
  - 7z.exe (PID: 6768)
  - cmd.exe (PID: 6260)
- Reads the software policy settings
  - slui.exe (PID: 3652)
- Checks proxy server information
  - slui.exe (PID: 3652)

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	\|	DOS Executable Generic (100)

EXIF

EXE

MachineType:	Intel 386 or later, and compatibles
TimeStamp:	0000:00:00 00:00:00
ImageFileCharacteristics:	No relocs, Executable, No line numbers, No symbols, 32-bit
PEType:	PE32
LinkerVersion:	0.37
CodeSize:	66560
InitializedDataSize:	37888
UninitializedDataSize:	-
EntryPoint:	0x361ec
OSVersion:	4
ImageVersion:	-
SubsystemVersion:	4
Subsystem:	Windows GUI
FileVersionNumber:	1.0.0.0
ProductVersionNumber:	1.0.0.0
FileFlagsMask:	0x003f
FileFlags:	(none)
FileOS:	Win32
ObjectFileType:	Executable application
FileSubtype:	-
LanguageCode:	Chinese (Simplified)
CharacterSet:	Windows, Chinese (Simplified)
CompanyName:	-
FileDescription:	-
FileVersion:	1.0.0.0
InternalName:	-
LegalCopyright:	-
LegalTrademarks:	-
OriginalFileName:	-
ProductName:	-
ProductVersion:	1.0.0.0
Comments:	-

No data.

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All screenshots are available in the full report

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Total processes

142

Monitored processes

Malicious processes

Suspicious processes

Behavior graph

Click at the process to see the details

Process information

PID

CMD

Path

Indicators

Parent process

1496

\??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1

C:\Windows\System32\conhost.exe

—

net.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Console Window Host

Exit code:

Version:

10.0.19041.1 (WinBuild.160101.0800)

Modules

Images
c:\windows\system32\conhost.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcp_win.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\shcore.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\combase.dll
c:\windows\system32\rpcrt4.dll

2528

C:\WINDOWS\system32\net1 stop "Kingsoft AntiVirus Service"

C:\Windows\SysWOW64\net1.exe

—

net.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Net Command

Exit code:

Version:

10.0.19041.3636 (WinBuild.160101.0800)

Modules

Images
c:\windows\syswow64\net1.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\msvcrt.dll
c:\windows\syswow64\sechost.dll

3196

"C:\Users\admin\AppData\Local\Temp\7z.exe"

C:\Users\admin\AppData\Local\Temp\7z.exe

—

cmd.exe

User:

admin

Company:

Igor Pavlov

Integrity Level:

MEDIUM

Description:

7-Zip Console

Exit code:

Version:

23.01

Modules

Images
c:\users\admin\appdata\local\temp\7z.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\system32\oleaut32.dll
c:\windows\system32\msvcp_win.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\combase.dll
c:\windows\system32\rpcrt4.dll

3652

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

Exit code:

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

5616

net stop "Kingsoft AntiVirus Service"

C:\Windows\SysWOW64\net.exe

—

7z.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Net Command

Exit code:

Version:

10.0.19041.1 (WinBuild.160101.0800)

Modules

Images
c:\windows\syswow64\net.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\msvcrt.dll

6260

C:\WINDOWS\system32\cmd.exe /c C:\Users\admin\AppData\Local\Temp\$a5EF8.bat

C:\Windows\SysWOW64\cmd.exe

7z.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Windows Command Processor

Exit code:

Version:

10.0.19041.3636 (WinBuild.160101.0800)

Modules

Images
c:\windows\syswow64\cmd.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\msvcrt.dll

6768

"C:\Users\admin\AppData\Local\Temp\7z.exe"

C:\Users\admin\AppData\Local\Temp\7z.exe

explorer.exe

User:

admin

Company:

Igor Pavlov

Integrity Level:

MEDIUM

Description:

7-Zip Console

Exit code:

Version:

23.01

Modules

Images
c:\users\admin\appdata\local\temp\7z.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\user32.dll

7140

\??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1

C:\Windows\System32\conhost.exe

—

cmd.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Console Window Host

Exit code:

Version:

10.0.19041.1 (WinBuild.160101.0800)

Modules

Images
c:\windows\system32\conhost.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcp_win.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\shcore.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\combase.dll
c:\windows\system32\rpcrt4.dll

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Total events

666

Read events

666

Write events

Delete events

Modification events

No data

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Executable files

Suspicious files

Text files

Unknown types

Dropped files

PID	Process	Filename		Type
6768	7z.exe	C:\Users\admin\AppData\Local\Temp\$a5EF8.bat		text
		MD5:30140B9312E6D902576BA37BE47C60F6	SHA256:96AF4A4A54352DC5A43B3722D468DC40AC7B4EBD26175B9BA34A439684D22818
6768	7z.exe	C:\Users\admin\AppData\Local\Temp\7z.exe.exe		executable
		MD5:9A1DD1D96481D61934DCC2D568971D06	SHA256:8CEBB25E240DB3B6986FCAED6BC0B900FA09DAD763A56FB71273529266C5C525
6260	cmd.exe	C:\Users\admin\AppData\Local\Temp\7z.exe		executable
		MD5:9A1DD1D96481D61934DCC2D568971D06	SHA256:8CEBB25E240DB3B6986FCAED6BC0B900FA09DAD763A56FB71273529266C5C525

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

PID	Process	Method	HTTP Code	IP	URL	CN	Type	Size	Reputation
1268	svchost.exe	GET	200	23.55.104.172:80	http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl	unknown	—	—	whitelisted
1268	svchost.exe	GET	200	95.101.149.131:80	http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl	unknown	—	—	whitelisted
4768	SIHClient.exe	GET	200	23.35.229.160:80	http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl	unknown	—	—	whitelisted
4768	SIHClient.exe	GET	200	23.35.229.160:80	http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl	unknown	—	—	whitelisted
1380	svchost.exe	GET	200	2.17.190.73:80	http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D	unknown	—	—	whitelisted
2940	svchost.exe	GET	200	23.209.209.135:80	http://x1.c.lencr.org/	unknown	—	—	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
5944	MoUsoCoreWorker.exe	51.124.78.146:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	NL	whitelisted
1268	svchost.exe	51.124.78.146:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	NL	whitelisted
5348	RUXIMICS.exe	51.124.78.146:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	NL	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	23.55.104.172:80	crl.microsoft.com	Akamai International B.V.	US	whitelisted
1268	svchost.exe	95.101.149.131:80	www.microsoft.com	Akamai International B.V.	NL	whitelisted
5944	MoUsoCoreWorker.exe	20.73.194.208:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	NL	whitelisted
4768	SIHClient.exe	4.245.163.56:443	slscr.update.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	US	whitelisted

DNS requests

Domain	IP	Reputation
settings-win.data.microsoft.com	51.124.78.146 20.73.194.208	whitelisted
google.com	142.250.186.78	whitelisted
crl.microsoft.com	23.55.104.172 23.55.104.190	whitelisted
www.microsoft.com	95.101.149.131 23.35.229.160	whitelisted
slscr.update.microsoft.com	4.245.163.56	whitelisted
fe3cr.delivery.mp.microsoft.com	13.95.31.18	whitelisted
login.live.com	40.126.32.136 20.190.160.4 40.126.32.72 40.126.32.68 40.126.32.133 20.190.160.130 40.126.32.138 40.126.32.134	whitelisted
ocsp.digicert.com	2.17.190.73	whitelisted
client.wns.windows.com	172.211.123.249	whitelisted
activation-v2.sls.microsoft.com	40.91.76.224 20.83.72.98	whitelisted

Threats

No threats detected

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No debug info

General Info

7z.exe

15DCDDE5C38E01174D1D20B631F69526

CB71AB8275DE40A974F2EF85EF80DFF990C3E986

71A13BA4A3776CDE8A15A56F41369E512856589A751D126EB0A96C9019A20A65

24576:Vfagsg0kCvUrfJ4MgNEkdf3GXTgmHg5WEoE9ZErzj76:Vf5sncrR4MgNEkdf2XTgmHg5+rzj7

Software environment set and analysis options

Launch configuration

Software preset

Hotfixes

Behavior activities

MALICIOUS

Starts NET.EXE for service management

SUSPICIOUS

Modifies hosts file to alter network resolution

Executable content was dropped or overwritten

Drops 7-zip archiver for unpacking

Executing commands from a ".bat" file

Starts CMD.EXE for commands execution

The executable file from the user directory is run by the CMD process

INFO

The sample compiled with chinese language support

Checks supported languages

Failed to create an executable file in Windows directory

Create files in a temporary directory

The sample compiled with english language support

Reads the software policy settings

Checks proxy server information

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

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