Malware analysis 21.exe Malicious activity | ANY.RUN

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File name:	21.exe
Full analysis:	https://app.any.run/tasks/5139590c-a8ed-4a10-bf6c-f16c8251c1ab
Verdict:	Malicious activity
Analysis date:	May 10, 2025, 06:48:40
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, UPX compressed, 3 sections
MD5:	EBEFEE9DE7D429FE00593A1F6203CD6A
SHA1:	4BED4B7F9D15E5F4CFE6B8E61F7BCA865B7CE641
SHA256:	8ABB47CA7C0C4871C28B89AA0E75493E5EB01E403272888C11FEF9E53D633FFE
SSDEEP:	768:4EyjLgnDw5oEC+WOill+du3tOWxZtrDm9qPcQ4qWto9iP22WIps6qceX5VykiKoG:2LgDwjC+WOE+Q9FZtrDGHUuUIjgps4v

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
- Changes the autorun value in the registry
  - rundll32.exe (PID: 7228)
SUSPICIOUS
- Executable content was dropped or overwritten
  - 21.exe (PID: 7196)
INFO
- Creates files in the program directory
  - 21.exe (PID: 7196)
- Checks supported languages
  - 21.exe (PID: 7196)
- The sample compiled with chinese language support
  - 21.exe (PID: 7196)

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) (28.6)
.exe	\|	UPX compressed Win32 Executable (28)
.exe	\|	Win32 EXE Yoda's Crypter (27.5)
.dll	\|	Win32 Dynamic Link Library (generic) (6.8)
.exe	\|	Win32 Executable (generic) (4.6)

EXIF

EXE

MachineType:	Intel 386 or later, and compatibles
TimeStamp:	2014:01:24 12:36:44+00:00
ImageFileCharacteristics:	No relocs, Executable, No line numbers, No symbols, 32-bit
PEType:	PE32
LinkerVersion:	6
CodeSize:	53248
InitializedDataSize:	4096
UninitializedDataSize:	57344
EntryPoint:	0x1be70
OSVersion:	4
ImageVersion:	-
SubsystemVersion:	4
Subsystem:	Windows GUI

No data.

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All screenshots are available in the full report

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Total processes

135

Monitored processes

Malicious processes

Suspicious processes

Behavior graph

Click at the process to see the details

Process information

PID

CMD

Path

Indicators

Parent process

2136

"C:\Users\admin\AppData\Local\Temp\21.exe"

C:\Users\admin\AppData\Local\Temp\21.exe

—

explorer.exe

User:

admin

Integrity Level:

MEDIUM

Exit code:

3221226540

Modules

Images
c:\users\admin\appdata\local\temp\21.exe
c:\windows\system32\ntdll.dll
c:\windows\syswow64\ntdll.dll

7196

"C:\Users\admin\AppData\Local\Temp\21.exe"

C:\Users\admin\AppData\Local\Temp\21.exe

explorer.exe

User:

admin

Integrity Level:

HIGH

Exit code:

Modules

Images
c:\users\admin\appdata\local\temp\21.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

7220

rundll32.exe "C:\WINDOWS\system32\whhfd028.ocx" InstallSvr0

C:\Windows\SysWOW64\rundll32.exe

—

21.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

HIGH

Description:

Windows host process (Rundll32)

Exit code:

Version:

10.0.19041.3636 (WinBuild.160101.0800)

Modules

Images
c:\windows\syswow64\rundll32.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\aclayers.dll

7228

rundll32.exe "C:\Program Files\Common Files\0010BAB7ce.dll" InstallSvr3

C:\Windows\SysWOW64\rundll32.exe

21.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

HIGH

Description:

Windows host process (Rundll32)

Version:

10.0.19041.3636 (WinBuild.160101.0800)

Modules

Images
c:\windows\syswow64\rundll32.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\aclayers.dll

7236

rundll32.exe "C:\Program Files\Common Files\whh02053.ocx" InstallSvr1 C:\Users\admin\AppData\Local\Temp\21.exe

C:\Windows\SysWOW64\rundll32.exe

—

21.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

HIGH

Description:

Windows host process (Rundll32)

Version:

10.0.19041.3636 (WinBuild.160101.0800)

Modules

Images
c:\windows\syswow64\rundll32.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\aclayers.dll

7364

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)

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Total events

784

Read events

616

Write events

118

Delete events

Modification events


(PID) Process:	(7196) 21.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System
Operation:	write	Name:	ConsentPromptBehaviorAdmin
Value: 0
(PID) Process:	(7220) rundll32.exe	Key:	HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Keyboard Layouts\E0200804
Operation:	write	Name:	Ime File
Value: WHHFD028.OCX
(PID) Process:	(7220) rundll32.exe	Key:	HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Keyboard Layouts\E0200804
Operation:	write	Name:	Layout Text
Value: US
(PID) Process:	(7220) rundll32.exe	Key:	HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Keyboard Layouts\E0200804
Operation:	write	Name:	Layout File
Value: kbdus.dll
(PID) Process:	(7220) rundll32.exe	Key:	HKEY_CURRENT_USER\Keyboard Layout\Preload
Operation:	write	Name:	2
Value: E0200804
(PID) Process:	(7220) rundll32.exe	Key:	HKEY_CURRENT_USER\Keyboard Layout\Preload
Operation:	write	Name:	1
Value: E0200804
(PID) Process:	(7220) rundll32.exe	Key:	HKEY_CURRENT_USER\Keyboard Layout\Preload
Operation:	write	Name:	2
Value: 00000409
(PID) Process:	(7228) rundll32.exe	Key:	HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\WinSock2\Parameters\Protocol_Catalog9\Catalog_Entries\000000000001
Operation:	delete key	Name:	(default)
Value:
(PID) Process:	(7228) rundll32.exe	Key:	HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\WinSock2\Parameters\Protocol_Catalog9\Catalog_Entries\000000000002
Operation:	delete key	Name:	(default)
Value:
(PID) Process:	(7228) rundll32.exe	Key:	HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\WinSock2\Parameters\Protocol_Catalog9\Catalog_Entries\000000000003
Operation:	delete key	Name:	(default)
Value:

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Executable files

Suspicious files

Text files

Unknown types

Dropped files

PID	Process	Filename		Type
7196	21.exe	C:\Program Files\Common Files\whh02053.ocx		executable
		MD5:5C130EBCC7F45263003D4499570F57FE	SHA256:7CFB52BFA3C85373BD89420CFE689D7662C8AEA38165EABCF948EBC8B5BCDEB7
7196	21.exe	C:\Program Files\Common Files\0010BAB7ce.dll		executable
		MD5:6FB92D25078BFFF1C215229067B5BEAA	SHA256:5CE7C2EB8860F172DD5B68CD94307B6665F6785B207D936577BBAAB196B61F33
7196	21.exe	C:\Windows\SysWOW64\whhfd028.ocx		executable
		MD5:6B51354FB017488210E58687462EE83E	SHA256:5707E445EECA460F2E7F320D5C99EAF7840FD94632638D48E65D66A66A4BA715

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
—	—	GET	200	23.48.23.166:80	http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl	unknown	—	—	whitelisted
—	—	GET	200	23.35.229.160:80	http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl	unknown	—	—	whitelisted
—	—	GET	200	2.17.190.73:80	http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D	unknown	—	—	whitelisted
7852	SIHClient.exe	GET	200	95.101.149.131:80	http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl	unknown	—	—	whitelisted
7852	SIHClient.exe	GET	200	95.101.149.131:80	http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.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
—	—	51.104.136.2:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	IE	whitelisted
—	—	192.168.100.255:137	—	—	—	whitelisted
—	—	23.48.23.166:80	crl.microsoft.com	Akamai International B.V.	DE	whitelisted
—	—	23.35.229.160:80	www.microsoft.com	AKAMAI-AS	DE	whitelisted
4	System	192.168.100.255:138	—	—	—	whitelisted
—	—	40.126.32.138:443	login.live.com	MICROSOFT-CORP-MSN-AS-BLOCK	NL	whitelisted
—	—	2.17.190.73:80	ocsp.digicert.com	AKAMAI-AS	DE	whitelisted
2112	svchost.exe	51.104.136.2:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	IE	whitelisted
7852	SIHClient.exe	20.12.23.50:443	slscr.update.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	US	whitelisted
7852	SIHClient.exe	95.101.149.131:80	www.microsoft.com	Akamai International B.V.	NL	whitelisted

DNS requests

Domain	IP	Reputation
settings-win.data.microsoft.com	51.104.136.2 20.73.194.208	whitelisted
crl.microsoft.com	23.48.23.166 23.48.23.156	whitelisted
www.microsoft.com	23.35.229.160 95.101.149.131	whitelisted
google.com	216.58.206.46	whitelisted
login.live.com	40.126.32.138 40.126.32.72 20.190.160.3 20.190.160.131 40.126.32.74 20.190.160.67 20.190.160.5 20.190.160.22	whitelisted
ocsp.digicert.com	2.17.190.73	whitelisted
slscr.update.microsoft.com	20.12.23.50	whitelisted
fe3cr.delivery.mp.microsoft.com	52.165.164.15	whitelisted

Threats

No threats detected

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No debug info

General Info

21.exe

EBEFEE9DE7D429FE00593A1F6203CD6A

4BED4B7F9D15E5F4CFE6B8E61F7BCA865B7CE641

8ABB47CA7C0C4871C28B89AA0E75493E5EB01E403272888C11FEF9E53D633FFE

768:4EyjLgnDw5oEC+WOill+du3tOWxZtrDm9qPcQ4qWto9iP22WIps6qceX5VykiKoG:2LgDwjC+WOE+Q9FZtrDGHUuUIjgps4v

Software environment set and analysis options

Launch configuration

Software preset

Hotfixes

Behavior activities

MALICIOUS

Changes the autorun value in the registry

SUSPICIOUS

Executable content was dropped or overwritten

INFO

Creates files in the program directory

Checks supported languages

The sample compiled with chinese language support

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

Registry activity

Modification events

Files activity

Dropped files

Network activity

HTTP requests

Connections

DNS requests

Threats

Debug output strings