Malware analysis steamweb.exe.exe Malicious activity | ANY.RUN

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File name:	steamweb.exe.exe
Full analysis:	https://app.any.run/tasks/bb345f54-97cb-407d-9b06-d8b2ecb6fbc1
Verdict:	Malicious activity
Analysis date:	April 15, 2025, 18:42:49
OS:	Windows 10 Professional (build: 19044, 64 bit)
Tags:	python
Indicators:
MIME:	application/vnd.microsoft.portable-executable
File info:	PE32+ executable (GUI) x86-64, for MS Windows, 6 sections
MD5:	2557AF1CDE18CC05E215AC65547B4D84
SHA1:	49D94A7DD93BA7BB3E6062F112E15ED17CD718AB
SHA256:	20757C361F653B52A5E4C8EE12F0FB4AE78A8ED60B8E214CB86F279798EE23D0
SSDEEP:	98304:0yd80Xw9p5j8YjjHz5z3OgZKeXt5xUtQenKU4cEZZdyK2Wzet/CF0OSmYirs308J:TV4ITAFkYVLsI5+rQNlsFZ

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 (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
No malicious indicators.
SUSPICIOUS
- Process drops python dynamic module
  - steamweb.exe.exe (PID: 3020)
- Executable content was dropped or overwritten
  - steamweb.exe.exe (PID: 3020)
- The process drops C-runtime libraries
  - steamweb.exe.exe (PID: 3020)
- Process drops legitimate windows executable
  - steamweb.exe.exe (PID: 3020)
- Application launched itself
  - steamweb.exe.exe (PID: 3020)
  - cmd.exe (PID: 6540)
- Starts CMD.EXE for commands execution
  - cmd.exe (PID: 6540)
  - steamweb.exe.exe (PID: 780)
- Loads Python modules
  - steamweb.exe.exe (PID: 780)
INFO
- Reads the computer name
  - steamweb.exe.exe (PID: 3020)
  - identity_helper.exe (PID: 7912)
- Create files in a temporary directory
  - steamweb.exe.exe (PID: 3020)
- Checks supported languages
  - steamweb.exe.exe (PID: 3020)
  - steamweb.exe.exe (PID: 780)
  - identity_helper.exe (PID: 7912)
- The sample compiled with english language support
  - steamweb.exe.exe (PID: 3020)
- Manual execution by a user
  - msedge.exe (PID: 4108)
- Application launched itself
  - msedge.exe (PID: 4108)
  - msedge.exe (PID: 6872)
- Reads Environment values
  - identity_helper.exe (PID: 7912)

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	\|	Win64 Executable (generic) (87.3)
.exe	\|	Generic Win/DOS Executable (6.3)
.exe	\|	DOS Executable Generic (6.3)

EXIF

EXE

MachineType:	AMD AMD64
TimeStamp:	2025:04:08 14:07:26+00:00
ImageFileCharacteristics:	Executable, Large address aware
PEType:	PE32+
LinkerVersion:	14.4
CodeSize:	167936
InitializedDataSize:	108544
UninitializedDataSize:	-
EntryPoint:	0xbe20
OSVersion:	5.2
ImageVersion:	-
SubsystemVersion:	5.2
Subsystem:	Windows GUI
FileVersionNumber:	0.0.0.203
ProductVersionNumber:	0.0.0.0
FileFlagsMask:	0x003f
FileFlags:	(none)
FileOS:	Windows NT 32-bit
ObjectFileType:	Executable application
FileSubtype:	-

No data.

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All screenshots are available in the full report

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Total processes

173

Monitored processes

Malicious processes

Suspicious processes

Behavior graph

Click at the process to see the details

Process information

PID	CMD	Path	Indicators	Parent process
496	"C:\Users\admin\AppData\Local\Temp\steamweb.exe.exe"	C:\Users\admin\AppData\Local\Temp\steamweb.exe.exe	—	explorer.exe
User: admin Integrity Level: MEDIUM Exit code: 3221226540
660	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)
780	"C:\Users\admin\AppData\Local\Temp\steamweb.exe.exe"	C:\Users\admin\AppData\Local\Temp\steamweb.exe.exe	—	steamweb.exe.exe
User: admin Integrity Level: HIGH Exit code: 0
896	"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --no-appcompat-clear --gpu-preferences=WAAAAAAAAADgAAAMAAAAAAAAAAAAAAAAAABgAAAAAAA4AAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --mojo-platform-channel-handle=2484 --field-trial-handle=2492,i,5876840163227582084,4888689992254765149,262144 --variations-seed-version /prefetch:2	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	—	msedge.exe
User: admin Company: Microsoft Corporation Integrity Level: LOW Description: Microsoft Edge Version: 122.0.2365.59
900	"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --no-appcompat-clear --gpu-preferences=WAAAAAAAAADgAAAMAAAAAAAAAAAAAAAAAABgAAAAAAA4AAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --mojo-platform-channel-handle=2276 --field-trial-handle=2324,i,890480661720294093,16406247509328775678,262144 --variations-seed-version /prefetch:2	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	—	msedge.exe
User: admin Company: Microsoft Corporation Integrity Level: LOW Description: Microsoft Edge Exit code: 0 Version: 122.0.2365.59
1244	"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=entity_extraction_service.mojom.Extractor --lang=en-US --service-sandbox-type=entity_extraction --onnx-enabled-for-ee --no-appcompat-clear --mojo-platform-channel-handle=5700 --field-trial-handle=2492,i,5876840163227582084,4888689992254765149,262144 --variations-seed-version /prefetch:8	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	—	msedge.exe
User: admin Company: Microsoft Corporation Integrity Level: LOW Description: Microsoft Edge Version: 122.0.2365.59
1348	"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --no-appcompat-clear --mojo-platform-channel-handle=6892 --field-trial-handle=2492,i,5876840163227582084,4888689992254765149,262144 --variations-seed-version /prefetch:8	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	—	msedge.exe
User: admin Company: Microsoft Corporation Integrity Level: LOW Description: Microsoft Edge Exit code: 0 Version: 122.0.2365.59
1764	"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --no-appcompat-clear --mojo-platform-channel-handle=6656 --field-trial-handle=2492,i,5876840163227582084,4888689992254765149,262144 --variations-seed-version /prefetch:8	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	—	msedge.exe
User: admin Company: Microsoft Corporation Integrity Level: LOW Description: Microsoft Edge Exit code: 0 Version: 122.0.2365.59
2904	"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=122.0.6261.70 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=122.0.2365.59 --initial-client-data=0x30c,0x310,0x314,0x304,0x31c,0x7ffc88f95fd8,0x7ffc88f95fe4,0x7ffc88f95ff0	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	—	msedge.exe
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Microsoft Edge Exit code: 0 Version: 122.0.2365.59
3020	"C:\Users\admin\AppData\Local\Temp\steamweb.exe.exe"	C:\Users\admin\AppData\Local\Temp\steamweb.exe.exe		explorer.exe
User: admin Integrity Level: HIGH Exit code: 0

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Total events

Read events

Write events

Delete events

Modification events

No data

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Executable files

Suspicious files

103

Text files

Unknown types

Dropped files

PID	Process	Filename		Type
3020	steamweb.exe.exe	C:\Users\admin\AppData\Local\Temp\_MEI30202\api-ms-win-core-datetime-l1-1-0.dll		executable
		MD5:557405C47613DE66B111D0E2B01F2FDB	SHA256:913EAAA7997A6AEE53574CFFB83F9C9C1700B1D8B46744A5E12D76A1E53376FD
3020	steamweb.exe.exe	C:\Users\admin\AppData\Local\Temp\_MEI30202\_decimal.pyd		executable
		MD5:492C0C36D8ED1B6CA2117869A09214DA	SHA256:B8221D1C9E2C892DD6227A6042D1E49200CD5CB82ADBD998E4A77F4EE0E9ABF1
3020	steamweb.exe.exe	C:\Users\admin\AppData\Local\Temp\_MEI30202\api-ms-win-core-file-l1-1-0.dll		executable
		MD5:0F7D418C05128246AFA335A1FB400CB9	SHA256:5C9BC70586AD538B0DF1FCF5D6F1F3527450AE16935AA34BD7EB494B4F1B2DB9
3020	steamweb.exe.exe	C:\Users\admin\AppData\Local\Temp\_MEI30202\api-ms-win-core-handle-l1-1-0.dll		executable
		MD5:D1DF480505F2D23C0B5C53DF2E0E2A1A	SHA256:0B3DFB8554EAD94D5DA7859A12DB353942406F9D1DFE3FAC3D48663C233EA99D
3020	steamweb.exe.exe	C:\Users\admin\AppData\Local\Temp\_MEI30202\api-ms-win-core-console-l1-1-0.dll		executable
		MD5:07EBE4D5CEF3301CCF07430F4C3E32D8	SHA256:8F8B79150E850ACC92FD6AAB614F6E3759BEA875134A62087D5DD65581E3001F
3020	steamweb.exe.exe	C:\Users\admin\AppData\Local\Temp\_MEI30202\api-ms-win-core-errorhandling-l1-1-0.dll		executable
		MD5:2DB5666D3600A4ABCE86BE0099C6B881	SHA256:46079C0A1B660FC187AAFD760707F369D0B60D424D878C57685545A3FCE95819
3020	steamweb.exe.exe	C:\Users\admin\AppData\Local\Temp\_MEI30202\api-ms-win-core-localization-l1-2-0.dll		executable
		MD5:1ED0B196AB58EDB58FCF84E1739C63CE	SHA256:8664222823E122FCA724620FD8B72187FC5336C737D891D3CEF85F4F533B8DE2
3020	steamweb.exe.exe	C:\Users\admin\AppData\Local\Temp\_MEI30202\api-ms-win-core-debug-l1-1-0.dll		executable
		MD5:624401F31A706B1AE2245EB19264DC7F	SHA256:58A8D69DF60ECBEE776CD9A74B2A32B14BF2B0BD92D527EC5F19502A0D3EB8E9
3020	steamweb.exe.exe	C:\Users\admin\AppData\Local\Temp\_MEI30202\api-ms-win-core-memory-l1-1-0.dll		executable
		MD5:721BAEA26A27134792C5CCC613F212B2	SHA256:5D9767D8CCA0FBFD5801BFF2E0C2ADDDD1BAAAA8175543625609ABCE1A9257BD
3020	steamweb.exe.exe	C:\Users\admin\AppData\Local\Temp\_MEI30202\api-ms-win-core-file-l1-2-0.dll		executable
		MD5:5A72A803DF2B425D5AAFF21F0F064011	SHA256:629E52BA4E2DCA91B10EF7729A1722888E01284EED7DDA6030D0A1EC46C94086

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
8076	SIHClient.exe	GET	200	2.16.253.202:80	http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl	unknown	—	—	whitelisted
8076	SIHClient.exe	GET	200	2.16.253.202:80	http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl	unknown	—	—	whitelisted
—	—	GET	200	2.16.241.12:80	http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl	unknown	—	—	whitelisted
6544	svchost.exe	GET	200	2.17.190.73:80	http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D	unknown	—	—	whitelisted

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Connections

PID	Process	IP	Domain	ASN	CN	Reputation
—	—	192.168.100.255:137	—	—	—	whitelisted
—	—	51.104.136.2:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	IE	whitelisted
—	—	2.16.241.12:80	crl.microsoft.com	Akamai International B.V.	DE	whitelisted
2104	svchost.exe	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
4108	msedge.exe	239.255.255.250:1900	—	—	—	whitelisted
5596	msedge.exe	23.219.149.221:443	store.steampowered.com	AKAMAI-AS	CL	whitelisted
5596	msedge.exe	13.107.42.16:443	config.edge.skype.com	MICROSOFT-CORP-MSN-AS-BLOCK	US	whitelisted
5596	msedge.exe	150.171.28.11:443	edge.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	US	whitelisted
5596	msedge.exe	13.107.6.158:443	business.bing.com	MICROSOFT-CORP-MSN-AS-BLOCK	US	whitelisted

DNS requests

Domain	IP	Reputation
google.com	142.250.184.206	whitelisted
crl.microsoft.com	2.16.241.12 2.16.241.19	whitelisted
config.edge.skype.com	13.107.42.16	whitelisted
store.steampowered.com	23.219.149.221	whitelisted
edge.microsoft.com	150.171.28.11 150.171.27.11	whitelisted
business.bing.com	13.107.6.158	whitelisted
edge-mobile-static.azureedge.net	13.107.246.45	whitelisted
login.live.com	40.126.31.69 20.190.159.71 20.190.159.4 40.126.31.128 20.190.159.23 20.190.159.64 20.190.159.68 20.190.159.73	whitelisted
bzib.nelreports.net	2.19.126.152 2.19.126.145	whitelisted
ocsp.digicert.com	2.17.190.73	whitelisted

Threats

No threats detected

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No debug info

General Info

steamweb.exe.exe

2557AF1CDE18CC05E215AC65547B4D84

49D94A7DD93BA7BB3E6062F112E15ED17CD718AB

20757C361F653B52A5E4C8EE12F0FB4AE78A8ED60B8E214CB86F279798EE23D0

98304:0yd80Xw9p5j8YjjHz5z3OgZKeXt5xUtQenKU4cEZZdyK2Wzet/CF0OSmYirs308J:TV4ITAFkYVLsI5+rQNlsFZ

Software environment set and analysis options

Launch configuration

Software preset

Hotfixes

Behavior activities

MALICIOUS

SUSPICIOUS

Process drops python dynamic module

Executable content was dropped or overwritten

The process drops C-runtime libraries

Process drops legitimate windows executable

Application launched itself

Starts CMD.EXE for commands execution

Loads Python modules

INFO

Reads the computer name

Create files in a temporary directory

Checks supported languages

The sample compiled with english language support

Manual execution by a user

Application launched itself

Reads Environment values

Malware configuration

Static information

TRiD

EXIF

EXE

Video and screenshots

Processes

Behavior graph

Specs description

Process information

Information

Information

Information

Information

Information

Information

Information

Information

Information

Information

Registry activity

Modification events

Files activity

Dropped files

Network activity

HTTP requests

Connections

DNS requests

Threats

Debug output strings