Malware analysis LEM75S_ADM_KM_2025-10-03_18_24_47.321.zip Malicious activity

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File name:	LEM75S_ADM_KM_2025-10-03_18_24_47.321.zip
Full analysis:	https://app.any.run/tasks/ed0c8dea-bdec-4703-978b-f4fcee583d5f
Verdict:	Malicious activity
Analysis date:	October 03, 2025, 18:30:17
OS:	Windows 10 Professional (build: 19044, 64 bit)
Tags:	neshta
Indicators:
MIME:	application/zip
File info:	Zip archive data, at least v4.5 to extract, compression method=deflate
MD5:	CB2F9F5ECE97F02EC180CCBF5437B1A6
SHA1:	8EA1D70761B9FF43D800B0B3210C2A170F3C33B4
SHA256:	D5AF50100C9331F8247117EA3A9A37EDBAD85584BFA327E2CB2B365E435C331C
SSDEEP:	98304:gG9eeVL+KHSPk+BUud7oScOfAw5qkHpuqzz+EiwR2+4g+LFsUW7Wyi38Z2QBdYM+:/9hH

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

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MALICIOUS
- NESHTA mutex has been found
  - stmg.org.exe (PID: 7520)
SUSPICIOUS
- Mutex name with non-standard characters
  - stmg.org.exe (PID: 7520)
- Reads security settings of Internet Explorer
  - stmg.org.exe (PID: 7520)
  - WinRAR.exe (PID: 2944)
- Executable content was dropped or overwritten
  - stmg.org.exe (PID: 7520)
INFO
- Checks supported languages
  - stmg.org.exe (PID: 7520)
  - stmg.org.exe (PID: 1260)
- Create files in a temporary directory
  - stmg.org.exe (PID: 7520)
  - stmg.org.exe (PID: 1260)
- Process checks computer location settings
  - stmg.org.exe (PID: 7520)
- Reads the computer name
  - stmg.org.exe (PID: 7520)
- Executable content was dropped or overwritten
  - WinRAR.exe (PID: 2944)

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

.zip	\|	ZIP compressed archive (100)

EXIF

ZIP

ZipRequiredVersion:	20
ZipBitFlag:	0x0801
ZipCompression:	Deflated
ZipModifyDate:	1980:00:00 00:00:00
ZipCRC:	0x879c8857
ZipCompressedSize:	2430243
ZipUncompressedSize:	4962304
ZipFileName:	Device/HarddiskVolume3/Users/kadmin/Downloads/stmg.org.exe

No data.

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All screenshots are available in the full report

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Total processes

172

Monitored processes

Malicious processes

Suspicious processes

Behavior graph

Click at the process to see the details

Process information

PID

CMD

Path

Indicators

Parent process

1260

"C:\Users\admin\AppData\Local\Temp\3582-490\stmg.org.exe"

C:\Users\admin\AppData\Local\Temp\3582-490\stmg.org.exe

—

stmg.org.exe

User:

admin

Integrity Level:

MEDIUM

Exit code:

Modules

Images
c:\users\admin\appdata\local\temp\3582-490\stmg.org.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

2944

"C:\Program Files\WinRAR\WinRAR.exe" C:\Users\admin\AppData\Local\Temp\LEM75S_ADM_KM_2025-10-03_18_24_47.321.zip

C:\Program Files\WinRAR\WinRAR.exe

explorer.exe

User:

admin

Company:

Alexander Roshal

Integrity Level:

MEDIUM

Description:

WinRAR archiver

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

3164

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

6416

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

C:\Windows\System32\conhost.exe

—

stmg.org.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

7520

"C:\Users\admin\AppData\Local\Temp\Rar$EXb2944.40418\Device\HarddiskVolume3\Users\kadmin\Downloads\stmg.org.exe"

C:\Users\admin\AppData\Local\Temp\Rar$EXb2944.40418\Device\HarddiskVolume3\Users\kadmin\Downloads\stmg.org.exe

WinRAR.exe

User:

admin

Integrity Level:

MEDIUM

Modules

Images
c:\users\admin\appdata\local\temp\rar$exb2944.40418\device\harddiskvolume3\users\kadmin\downloads\stmg.org.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

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Total events

9 070

Read events

9 006

Write events

Delete events

Modification events


(PID) Process:	(2944) WinRAR.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\WinRAR\Interface\Themes
Operation:	write	Name:	ShellExtBMP
Value:
(PID) Process:	(2944) WinRAR.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\WinRAR\Interface\Themes
Operation:	write	Name:	ShellExtIcon
Value:
(PID) Process:	(2944) WinRAR.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory
Operation:	write	Name:	3
Value: C:\Users\admin\Desktop\preferences.zip
(PID) Process:	(2944) WinRAR.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory
Operation:	write	Name:	2
Value: C:\Users\admin\Desktop\chromium_ext.zip
(PID) Process:	(2944) 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:	(2944) WinRAR.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory
Operation:	write	Name:	0
Value: C:\Users\admin\AppData\Local\Temp\LEM75S_ADM_KM_2025-10-03_18_24_47.321.zip
(PID) Process:	(2944) WinRAR.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths
Operation:	write	Name:	name
Value: 120
(PID) Process:	(2944) WinRAR.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths
Operation:	write	Name:	size
Value: 80
(PID) Process:	(2944) WinRAR.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths
Operation:	write	Name:	type
Value: 120
(PID) Process:	(2944) WinRAR.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths
Operation:	write	Name:	mtime
Value: 100

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Executable files

Suspicious files

Text files

Unknown types

Dropped files

PID	Process	Filename		Type
2944	WinRAR.exe	C:\Users\admin\Desktop\manifest.json		text
		MD5:1CFFB3C833E2AD79D56ADAD5896B6C63	SHA256:2AEF926857688C1B4B65962B0B9A2CF2F7F7FD54425ABD39B4E316759ED6CDA4
2944	WinRAR.exe	C:\Users\admin\Desktop\Device\HarddiskVolume3\Users\kadmin\Downloads\stmg.org.exe		executable
		MD5:C58996B0A626D9FB8FADAF09FFF8B812	SHA256:B630C06B8283D2851BEC0032F38FCFDBCB70470D883A4A7E9ABECF85DAB740C1
7520	stmg.org.exe	C:\ProgramData\Adobe\ARM\S\388\AdobeARMHelper.exe		executable
		MD5:85A67D34298E33D2D5A9EC789B6AB594	SHA256:1DEE143B4F88F2375B85C6271A58E2E78FED081BEAE4090678CB2DD7A37FB2D4
2944	WinRAR.exe	C:\Users\admin\AppData\Local\Temp\Rar$EXb2944.40418\manifest.json		text
		MD5:1CFFB3C833E2AD79D56ADAD5896B6C63	SHA256:2AEF926857688C1B4B65962B0B9A2CF2F7F7FD54425ABD39B4E316759ED6CDA4
1260	stmg.org.exe	C:\Users\admin\AppData\Local\Temp\QLOG\ThreadId(1).LOG		text
		MD5:D55E48C7C8DD0B5B9286EB41B73B4794	SHA256:7C0820A58734D65C4C35E992661BD49C6E84A5929E9E67FA8E01B2FDE86B3656
7520	stmg.org.exe	C:\Users\admin\AppData\Local\Microsoft\OneDrive\19.043.0304.0013\OneDriveUpdaterService.exe		executable
		MD5:E73AC057B2CFEF016B8199389F0DF590	SHA256:20ABA9D6001E5CDC287CD5BD452D0F2D05980D83F851D2B309BF49E9D9A8AC4C
7520	stmg.org.exe	C:\Users\admin\AppData\Local\Temp\3582-490\stmg.org.exe		executable
		MD5:53DD90D3548F92D01AB0D03499FB4ABA	SHA256:B5B5C1AF2F9D7F1C242C53CD65EC106F12E8E6B8E60C608075FA3B705BDC1FCC
7520	stmg.org.exe	C:\Users\admin\AppData\Local\Microsoft\OneDrive\19.043.0304.0013\FileSyncConfig.exe		executable
		MD5:0C5EC1AE9A301408AF26032B445FBB08	SHA256:3A8010F1E4E028782093877D969EB127B80AE48B7215A8D3F91E8AB9C165AC7A
2944	WinRAR.exe	C:\Users\admin\AppData\Local\Temp\Rar$EXb2944.40418\Device\HarddiskVolume3\Users\kadmin\Downloads\stmg.org.exe		executable
		MD5:C58996B0A626D9FB8FADAF09FFF8B812	SHA256:B630C06B8283D2851BEC0032F38FCFDBCB70470D883A4A7E9ABECF85DAB740C1
7520	stmg.org.exe	C:\Users\admin\AppData\Local\Microsoft\OneDrive\19.043.0304.0013\FileCoAuth.exe		executable
		MD5:13C2D5BF03C4A2B28E930F990CCC32DB	SHA256:12D24D0BC0E7CDC902E3540A3C6F7B755094F011A8EAD49A47A00563710B8F80

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
2656	svchost.exe	GET	200	23.50.108.3:80	http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D	CH	binary	471 b	whitelisted
2656	svchost.exe	GET	200	23.50.108.3:80	http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D	CH	binary	471 b	whitelisted
5356	backgroundTaskHost.exe	GET	200	23.50.108.3:80	http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTrjrydRyt%2BApF3GSPypfHBxR5XtQQUs9tIpPmhxdiuNkHMEWNpYim8S8YCEAI5PUjXAkJafLQcAAsO18o%3D	CH	binary	313 b	whitelisted
2836	backgroundTaskHost.exe	GET	200	23.50.108.3:80	http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAn5bsKVVV8kdJ6vHl3O1J0%3D	CH	binary	471 b	whitelisted
6332	backgroundTaskHost.exe	GET	200	23.50.108.3:80	http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAn5bsKVVV8kdJ6vHl3O1J0%3D	CH	binary	471 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
6016	MoUsoCoreWorker.exe	4.231.128.59:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	IE	whitelisted
4	System	192.168.100.255:137	—	—	—	whitelisted
6080	RUXIMICS.exe	4.231.128.59:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	IE	whitelisted
5224	SearchApp.exe	95.100.98.80:443	www.bing.com	Akamai International B.V.	IE	whitelisted
4	System	192.168.100.255:138	—	—	—	whitelisted
5948	svchost.exe	4.231.128.59:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	IE	whitelisted
5224	SearchApp.exe	95.100.98.83:443	www.bing.com	Akamai International B.V.	IE	whitelisted
2656	svchost.exe	40.126.31.3:443	login.live.com	MICROSOFT-CORP-MSN-AS-BLOCK	IE	whitelisted
2656	svchost.exe	23.50.108.3:80	ocsp.digicert.com	AKAMAI-AS	CH	whitelisted
5356	backgroundTaskHost.exe	95.100.98.83:443	www.bing.com	Akamai International B.V.	IE	whitelisted

DNS requests

Domain	IP	Reputation
settings-win.data.microsoft.com	4.231.128.59	whitelisted
www.bing.com	95.100.98.80 95.100.98.83 95.100.98.104	whitelisted
google.com	142.250.185.78	whitelisted
login.live.com	40.126.31.3 40.126.31.129 40.126.31.0 40.126.31.1 20.190.159.73 40.126.31.2 20.190.159.2 20.190.159.71	whitelisted
ocsp.digicert.com	23.50.108.3	whitelisted
client.wns.windows.com	172.211.123.248	whitelisted
arc.msn.com	20.74.47.205	whitelisted
fd.api.iris.microsoft.com	20.223.35.26	whitelisted
slscr.update.microsoft.com	74.179.77.204	whitelisted
fe3cr.delivery.mp.microsoft.com	20.242.39.171	whitelisted

Threats

PID	Process	Class	Message
—	—	Unknown Traffic	ET USER_AGENTS Microsoft Dr Watson User-Agent (MSDW)

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No debug info

General Info

LEM75S_ADM_KM_2025-10-03_18_24_47.321.zip

CB2F9F5ECE97F02EC180CCBF5437B1A6

8EA1D70761B9FF43D800B0B3210C2A170F3C33B4

D5AF50100C9331F8247117EA3A9A37EDBAD85584BFA327E2CB2B365E435C331C

98304:gG9eeVL+KHSPk+BUud7oScOfAw5qkHpuqzz+EiwR2+4g+LFsUW7Wyi38Z2QBdYM+:/9hH

Software environment set and analysis options

Launch configuration

Software preset

Hotfixes

Behavior activities

MALICIOUS

NESHTA mutex has been found

SUSPICIOUS

Mutex name with non-standard characters

Reads security settings of Internet Explorer

Executable content was dropped or overwritten

INFO

Checks supported languages

Create files in a temporary directory

Process checks computer location settings

Reads the computer name

Executable content was dropped or overwritten

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

Registry activity

Modification events

Files activity

Dropped files

Network activity

HTTP requests

Connections

DNS requests

Threats

Debug output strings