Malware analysis 8eac7a5f6d8fb1db5306d06b76d32ab9b8b8c0bd0dbc69db64c5e3c7daff2765.js Malicious activity

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File name:	8eac7a5f6d8fb1db5306d06b76d32ab9b8b8c0bd0dbc69db64c5e3c7daff2765.js
Full analysis:	https://app.any.run/tasks/79c76896-05bd-42eb-87fa-ff7150020048
Verdict:	Malicious activity
Analysis date:	March 24, 2025, 16:55:27
OS:	Windows 10 Professional (build: 19044, 64 bit)
Tags:	tds
Indicators:
MIME:	text/plain
File info:	ASCII text, with very long lines (1013), with no line terminators
MD5:	6C3F8E8A793DFA48472BAA50418E3B27
SHA1:	33348C7F05341D0A1414ACB51AC9895EC15A4074
SHA256:	8EAC7A5F6D8FB1DB5306D06B76D32AB9B8B8C0BD0DBC69DB64C5E3C7DAFF2765
SSDEEP:	24:o5bZRIvNRMA10PaSTiCgRLxk+5B1m/9sQdMKqZEZ:JvN71UzTiCKlq/9sQeTZm

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:
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
- Opens an HTTP connection (SCRIPT)
  - wscript.exe (PID: 2284)
- Sends HTTP request (SCRIPT)
  - wscript.exe (PID: 2284)
- Creates internet connection object (SCRIPT)
  - wscript.exe (PID: 2284)
- Uses sleep, probably for evasion detection (SCRIPT)
  - wscript.exe (PID: 2284)
- TDS has been detected (SURICATA)
  - svchost.exe (PID: 2196)
  - wscript.exe (PID: 2284)
SUSPICIOUS
- Executes application which crashes
  - wscript.exe (PID: 2284)
- Contacting a server suspected of hosting an Exploit Kit
  - wscript.exe (PID: 2284)
  - svchost.exe (PID: 2196)
INFO
- Checks proxy server information
  - wscript.exe (PID: 2284)

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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No data.

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All screenshots are available in the full report

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Total processes

141

Monitored processes

Malicious processes

Suspicious processes

Behavior graph

Click at the process to see the details

Process information

PID

CMD

Path

Indicators

Parent process

2196

C:\WINDOWS\system32\svchost.exe -k NetworkService -p -s Dnscache

C:\Windows\System32\svchost.exe

services.exe

User:

NETWORK SERVICE

Company:

Microsoft Corporation

Integrity Level:

SYSTEM

Description:

Host Process for Windows Services

Version:

10.0.19041.1 (WinBuild.160101.0800)

Modules

Images
c:\windows\system32\svchost.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\bcrypt.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\combase.dll
c:\windows\system32\kernel.appcore.dll

2284

"C:\Windows\System32\WScript.exe" C:\Users\admin\AppData\Local\Temp\8eac7a5f6d8fb1db5306d06b76d32ab9b8b8c0bd0dbc69db64c5e3c7daff2765.js

C:\Windows\System32\wscript.exe

explorer.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Microsoft ® Windows Based Script Host

Exit code:

3221225477

Version:

5.812.10240.16384

Modules

Images
c:\windows\system32\wscript.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.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

4000

C:\WINDOWS\system32\WerFault.exe -u -p 2284 -s 1628

C:\Windows\System32\WerFault.exe

—

wscript.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Windows Problem Reporting

Exit code:

Version:

10.0.19041.1 (WinBuild.160101.0800)

Modules

Images
c:\windows\system32\werfault.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\combase.dll
c:\windows\system32\cryptsp.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\oleaut32.dll

7264

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

7300

"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

2 553

Read events

2 553

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
4000	WerFault.exe	C:\ProgramData\Microsoft\Windows\WER\ReportQueue\AppCrash_WScript.exe_1cca757ab2cb4c9e5f686f545a9565ea6591b_debcac4a_979fce42-1e76-4ee9-8382-678b072890c7\Report.wer		—
		MD5:—	SHA256:—
4000	WerFault.exe	C:\ProgramData\Microsoft\Windows\WER\Temp\WERD1EA.tmp.xml		xml
		MD5:597DB14E953EF496F8C7D6EA5137FEF4	SHA256:0C07704CD53F77263C202F08E182A4AB5BB1CCC211E28F0499AEE26CDB1C1A63
4000	WerFault.exe	C:\ProgramData\Microsoft\Windows\WER\Temp\WERCEDB.tmp.dmp		binary
		MD5:E86CE6002EDABBD0EF634EAB7F84F92B	SHA256:BF60BBA031511F2D507B658770F78614E99293E03DDBBB70001F9F34F8794B14
4000	WerFault.exe	C:\ProgramData\Microsoft\Windows\WER\Temp\WERD19B.tmp.WERInternalMetadata.xml		binary
		MD5:3C5075698BE8F26CC7DA8E1200DA4A2A	SHA256:919ACEC3E3324A888E3A097E5EF93833FDD30B1EF8DE42C4FAF198EF5E8175AF
4000	WerFault.exe	C:\Users\admin\AppData\Local\CrashDumps\wscript.exe.2284.dmp		binary
		MD5:663590A104D91A2C7DC06A11AE91690A	SHA256:82FA74CB8531574DECFA358E216F9CBF4D6F81FCDC531F07A8660E7A306397A1

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
5496	MoUsoCoreWorker.exe	GET	200	23.48.23.168:80	http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl	unknown	—	—	whitelisted
5216	backgroundTaskHost.exe	GET	200	23.54.109.203:80	http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAUZZSZEml49Gjh0j13P68w%3D	unknown	—	—	whitelisted
8144	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
8144	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
6544	svchost.exe	GET	200	23.54.109.203:80	http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D	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	192.168.100.255:138	—	—	—	whitelisted
—	—	20.73.194.208:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	NL	whitelisted
5496	MoUsoCoreWorker.exe	23.48.23.168:80	crl.microsoft.com	Akamai International B.V.	DE	whitelisted
5496	MoUsoCoreWorker.exe	20.73.194.208:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	NL	whitelisted
2284	wscript.exe	166.88.159.249:443	training.preschoolproblems.com	SP-NYJ	IN	unknown
3216	svchost.exe	40.113.110.67:443	client.wns.windows.com	MICROSOFT-CORP-MSN-AS-BLOCK	NL	whitelisted
6544	svchost.exe	20.190.160.128:443	login.live.com	MICROSOFT-CORP-MSN-AS-BLOCK	NL	whitelisted
6544	svchost.exe	23.54.109.203:80	ocsp.digicert.com	AKAMAI-AS	DE	whitelisted
2104	svchost.exe	40.127.240.158:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	IE	whitelisted
2112	svchost.exe	40.127.240.158:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	IE	whitelisted

DNS requests

Domain	IP	Reputation
google.com	142.250.185.110	whitelisted
settings-win.data.microsoft.com	20.73.194.208 40.127.240.158	whitelisted
crl.microsoft.com	23.48.23.168 23.48.23.166 23.48.23.154 23.48.23.162 23.48.23.175 23.48.23.176 23.48.23.146 23.48.23.177 23.48.23.148	whitelisted
training.preschoolproblems.com	166.88.159.249	unknown
client.wns.windows.com	40.113.110.67	whitelisted
login.live.com	20.190.160.128 40.126.32.134 20.190.160.5 40.126.32.68 40.126.32.140 20.190.160.4 20.190.160.65 20.190.160.67	whitelisted
ocsp.digicert.com	23.54.109.203	whitelisted
arc.msn.com	20.223.36.55	whitelisted
slscr.update.microsoft.com	52.149.20.212	whitelisted
www.microsoft.com	184.30.21.171	whitelisted

Threats

PID	Process	Class	Message
2196	svchost.exe	Exploit Kit Activity Detected	ET EXPLOIT_KIT Malicious TA2726 TDS Domain in DNS Lookup (training .preschoolproblems .com)
2284	wscript.exe	Exploit Kit Activity Detected	ET EXPLOIT_KIT Malicious TA2726 TDS Domain in TLS SNI (training .preschoolproblems .com)

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No debug info

General Info

8eac7a5f6d8fb1db5306d06b76d32ab9b8b8c0bd0dbc69db64c5e3c7daff2765.js

6C3F8E8A793DFA48472BAA50418E3B27

33348C7F05341D0A1414ACB51AC9895EC15A4074

8EAC7A5F6D8FB1DB5306D06B76D32AB9B8B8C0BD0DBC69DB64C5E3C7DAFF2765

24:o5bZRIvNRMA10PaSTiCgRLxk+5B1m/9sQdMKqZEZ:JvN71UzTiCKlq/9sQeTZm

Software environment set and analysis options

Launch configuration

Software preset

Hotfixes

Behavior activities

MALICIOUS

Opens an HTTP connection (SCRIPT)

Sends HTTP request (SCRIPT)

Creates internet connection object (SCRIPT)

Uses sleep, probably for evasion detection (SCRIPT)

TDS has been detected (SURICATA)

SUSPICIOUS

Executes application which crashes

Contacting a server suspected of hosting an Exploit Kit

INFO

Checks proxy server information

Malware configuration

Static information

Video and screenshots

Processes

Behavior graph

Specs description

Process information

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