Malware analysis win.exe Malicious activity | ANY.RUN

Add for printing

File name:	win.exe
Full analysis:	https://app.any.run/tasks/593504f8-3913-4799-b7f1-24440e157ab5
Verdict:	Malicious activity
Analysis date:	June 21, 2025, 01:50:42
OS:	Windows 10 Professional (build: 19044, 64 bit)
Tags:	auto generic upx golang
Indicators:
MIME:	application/vnd.microsoft.portable-executable
File info:	PE32 executable (GUI) Intel 80386 (stripped to external PDB), for MS Windows, UPX compressed, 3 sections
MD5:	437D4CBF0B72C02E8C630E586816F6F3
SHA1:	8DBD45C7F06DE4E07149D44897232C04734BF2BE
SHA256:	58D81F355D2C36E5B669CEFFDF7D42615BF1585BE94AE560E38B1FC6C13C9D7C
SSDEEP:	98304:U/0l0uvtJXv1hsbcao2zD8P8AHOgSiSHTqd82deGJTHb4yCjVFkVif4GpfAHj5re:/S

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:: 60 seconds
MITM proxy:: off
Privacy:: Public submission
Fakenet option:: off
Route via Tor:: off
Autoconfirmation of UAC:: off
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 has been found (auto)
  - win.exe (PID: 3888)
- Changes the autorun value in the registry
  - win.exe (PID: 3888)
SUSPICIOUS
- Executable content was dropped or overwritten
  - win.exe (PID: 3888)
- The process creates files with name similar to system file names
  - win.exe (PID: 3888)
- Connects to unusual port
  - win.exe (PID: 3888)
- Connects to SSH
  - win.exe (PID: 3888)
INFO
- Launching a file from a Registry key
  - win.exe (PID: 3888)
- Creates files in the program directory
  - win.exe (PID: 3888)
- Reads the computer name
  - win.exe (PID: 3888)
- Checks supported languages
  - win.exe (PID: 3888)
- Manual execution by a user
  - csrss.exe (PID: 3780)
- UPX packer has been detected
  - win.exe (PID: 3888)
- Application based on Golang
  - win.exe (PID: 3888)
- Detects GO elliptic curve encryption (YARA)
  - win.exe (PID: 3888)

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

.exe	\|	Win32 Executable (generic) (52.9)
.exe	\|	Generic Win/DOS Executable (23.5)
.exe	\|	DOS Executable Generic (23.5)

EXIF

EXE

MachineType:	Intel 386 or later, and compatibles
TimeStamp:	0000:00:00 00:00:00
ImageFileCharacteristics:	Executable, 32-bit, No debug
PEType:	PE32
LinkerVersion:	3
CodeSize:	1888256
InitializedDataSize:	4096
UninitializedDataSize:	3784704
EntryPoint:	0x569e00
OSVersion:	6.1
ImageVersion:	1
SubsystemVersion:	6.1
Subsystem:	Windows GUI

No data.

Add for printing

All screenshots are available in the full report

Add for printing

Total processes

138

Monitored processes

Malicious processes

Suspicious processes

Behavior graph

Click at the process to see the details

Process information

PID

CMD

Path

Indicators

Parent process

3780

C:\ProgramData\Microsoft\csrss.exe

—

explorer.exe

User:

admin

Integrity Level:

MEDIUM

Exit code:

3221226540

Modules

Images
c:\programdata\microsoft\csrss.exe
c:\windows\system32\ntdll.dll
c:\windows\syswow64\ntdll.dll

3888

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

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

explorer.exe

User:

admin

Integrity Level:

HIGH

Modules

Images
c:\users\admin\desktop\win.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\advapi32.dll

Add for printing

Total events

280

Read events

279

Write events

Delete events

Modification events


(PID) Process:	(3888) win.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Operation:	write	Name:	Administrator
Value: C:\ProgramData\Microsoft\csrss.exe

Add for printing

Executable files

Suspicious files

Text files

Unknown types

Dropped files

PID	Process	Filename		Type
3888	win.exe	C:\ProgramData\Microsoft\csrss.exe		executable
		MD5:437D4CBF0B72C02E8C630E586816F6F3	SHA256:58D81F355D2C36E5B669CEFFDF7D42615BF1585BE94AE560E38B1FC6C13C9D7C

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
4944	svchost.exe	GET	200	2.17.190.73:80	http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D	unknown	—	—	whitelisted
1268	svchost.exe	GET	200	184.30.21.171:80	http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl	unknown	—	—	whitelisted
1268	svchost.exe	GET	200	184.24.77.12:80	http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl	unknown	—	—	whitelisted
3888	win.exe	GET	200	156.225.31.188:808	http://156.225.31.188:808/password.txt	unknown	—	—	malicious
3740	SIHClient.exe	GET	200	184.30.21.171:80	http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl	unknown	—	—	whitelisted
3740	SIHClient.exe	GET	200	184.30.21.171:80	http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl	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
—	—	192.168.100.255:137	—	—	—	whitelisted
—	—	4.231.128.59:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	IE	whitelisted
4	System	192.168.100.255:138	—	—	—	whitelisted
3888	win.exe	156.225.31.188:808	—	Sun Network Hong Kong Limited - HongKong Backbone	HK	malicious
3888	win.exe	156.225.31.188:8011	—	Sun Network Hong Kong Limited - HongKong Backbone	HK	malicious
2336	svchost.exe	172.211.123.250:443	client.wns.windows.com	MICROSOFT-CORP-MSN-AS-BLOCK	FR	whitelisted
4944	svchost.exe	20.190.159.0:443	login.live.com	MICROSOFT-CORP-MSN-AS-BLOCK	IE	whitelisted
4944	svchost.exe	2.17.190.73:80	ocsp.digicert.com	AKAMAI-AS	DE	whitelisted
1268	svchost.exe	51.124.78.146:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	NL	whitelisted
1268	svchost.exe	184.24.77.12:80	crl.microsoft.com	Akamai International B.V.	DE	whitelisted

DNS requests

Domain	IP	Reputation
settings-win.data.microsoft.com	4.231.128.59 51.124.78.146	whitelisted
google.com	142.250.184.238	whitelisted
www.google.com	142.250.185.132	whitelisted
client.wns.windows.com	172.211.123.250	whitelisted
login.live.com	20.190.159.0 20.190.159.73 40.126.31.0 40.126.31.67 20.190.159.71 40.126.31.128 20.190.159.64 20.190.159.131	whitelisted
ocsp.digicert.com	2.17.190.73	whitelisted
crl.microsoft.com	184.24.77.12 184.24.77.35 184.24.77.37	whitelisted
www.microsoft.com	184.30.21.171	whitelisted
nexusrules.officeapps.live.com	52.111.227.13	whitelisted
slscr.update.microsoft.com	4.245.163.56	whitelisted

Threats

PID	Process	Class	Message
3888	win.exe	Misc activity	ET USER_AGENTS Go HTTP Client User-Agent
3888	win.exe	Misc activity	ET INFO Go-http-client User-Agent Observed Outbound

Add for printing

No debug info

General Info

win.exe

437D4CBF0B72C02E8C630E586816F6F3

8DBD45C7F06DE4E07149D44897232C04734BF2BE

58D81F355D2C36E5B669CEFFDF7D42615BF1585BE94AE560E38B1FC6C13C9D7C

98304:U/0l0uvtJXv1hsbcao2zD8P8AHOgSiSHTqd82deGJTHb4yCjVFkVif4GpfAHj5re:/S

Software environment set and analysis options

Launch configuration

Software preset

Hotfixes

Behavior activities

MALICIOUS

GENERIC has been found (auto)

Changes the autorun value in the registry

SUSPICIOUS

Executable content was dropped or overwritten

The process creates files with name similar to system file names

Connects to unusual port

Connects to SSH

INFO

Launching a file from a Registry key

Creates files in the program directory

Reads the computer name

Checks supported languages

Manual execution by a user

UPX packer has been detected

Application based on Golang

Detects GO elliptic curve encryption (YARA)

Malware configuration

Static information

TRiD

EXIF

EXE

Video and screenshots

Processes

Behavior graph

Specs description

Process information

Information

Modules

Information

Modules

Registry activity

Modification events

Files activity

Dropped files

Network activity

HTTP requests

Connections

DNS requests

Threats

Debug output strings