Malware analysis backdoor.exe Malicious activity | ANY.RUN

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File name:	backdoor.exe
Full analysis:	https://app.any.run/tasks/d6d1620a-07d0-4154-b203-ee121d1cb540
Verdict:	Malicious activity
Analysis date:	February 09, 2025, 16:27:13
OS:	Windows 10 Professional (build: 19045, 64 bit)
Tags:	metasploit
Indicators:
MIME:	application/vnd.microsoft.portable-executable
File info:	PE32 executable (GUI) Intel 80386, for MS Windows, 4 sections
MD5:	04335CEADA361A46064005190A51C90F
SHA1:	6B5531064EC62262A5D6F6E7C3B3B8D732FA6AF6
SHA256:	80CAF31C52FACE543179A872F807CAF35470AD1715238F212CF04546EB083731
SSDEEP:	1536:h9otzzVkPpXJg2qm6Imo/L+bcUfZ/gypMb+KR0Nc8QsMqUR:jKkxX+2tmoD+9fZoke0Nc8Qs6R

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:: 300 seconds
Heavy Evasion option:
Network geolocation:: off
Additional time used:: 240 seconds
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
- METASPLOIT has been detected (YARA)
  - backdoor.exe (PID: 6344)
SUSPICIOUS
- Connects to unusual port
  - backdoor.exe (PID: 6344)
INFO
- Checks supported languages
  - backdoor.exe (PID: 6344)
- The sample compiled with english language support
  - backdoor.exe (PID: 6344)
- Manual execution by a user
  - WINWORD.EXE (PID: 4076)

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	\|	Win32 Executable MS Visual C++ (generic) (42.2)
.exe	\|	Win64 Executable (generic) (37.3)
.dll	\|	Win32 Dynamic Link Library (generic) (8.8)
.exe	\|	Win32 Executable (generic) (6)
.exe	\|	Generic Win/DOS Executable (2.7)

EXIF

EXE

MachineType:	Intel 386 or later, and compatibles
TimeStamp:	2009:09:12 10:19:48+00:00
ImageFileCharacteristics:	No relocs, Executable, No line numbers, No symbols, 32-bit
PEType:	PE32
LinkerVersion:	6
CodeSize:	45056
InitializedDataSize:	40960
UninitializedDataSize:	-
EntryPoint:	0xbc43
OSVersion:	4
ImageVersion:	-
SubsystemVersion:	4
Subsystem:	Windows GUI
FileVersionNumber:	2.2.14.0
ProductVersionNumber:	2.2.14.0
FileFlagsMask:	0x003f
FileFlags:	(none)
FileOS:	Win32
ObjectFileType:	Executable application
FileSubtype:	-
LanguageCode:	English (U.S.)
CharacterSet:	Unicode
Comments:	Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.
CompanyName:	Apache Software Foundation
FileDescription:	ApacheBench command line utility
FileVersion:	2.2.14
InternalName:	ab.exe
LegalCopyright:	Copyright 2009 The Apache Software Foundation.
OriginalFileName:	ab.exe
ProductName:	Apache HTTP Server
ProductVersion:	2.2.14

No data.

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All screenshots are available in the full report

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Total processes

137

Monitored processes

Malicious processes

Suspicious processes

Behavior graph

Click at the process to see the details

Process information

PID

CMD

Path

Indicators

Parent process

4076

"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\admin\Desktop\thankcareers.rtf" /o ""

C:\Program Files\Microsoft Office\root\Office16\WINWORD.EXE

explorer.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Microsoft Word

Exit code:

Version:

16.0.16026.20146

Modules

Images
c:\program files\microsoft office\root\office16\winword.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.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

5888

"C:\Program Files\Microsoft Office\root\VFS\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\ai.exe" "D6C0F735-88D5-4AD5-80A4-91E75C62A1C9" "D963BDC3-BCD5-4830-AFAF-40AE4D546B40" "4076"

C:\Program Files\Microsoft Office\root\VFS\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\ai.exe

—

WINWORD.EXE

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Artificial Intelligence (AI) Host for the Microsoft® Windows® Operating System and Platform x64.

Exit code:

Version:

0.12.2.0

Modules

Images
c:\program files\microsoft office\root\vfs\programfilescommonx64\microsoft shared\office16\ai.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\common files\microsoft shared\clicktorun\appvisvsubsystems64.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\program files\common files\microsoft shared\clicktorun\c2r64.dll
c:\windows\system32\rpcrt4.dll

6344

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

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

explorer.exe

User:

admin

Company:

Apache Software Foundation

Integrity Level:

MEDIUM

Description:

ApacheBench command line utility

Exit code:

Version:

2.2.14

Modules

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

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Total events

14 142

Read events

13 764

Write events

350

Delete events

Modification events


(PID) Process:	(4076) WINWORD.EXE	Key:	HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\Common\ClientTelemetry\Sampling
Operation:	write	Name:	0
Value: 017012000000001000B24E9A3E02000000000000000600000000000000
(PID) Process:	(4076) WINWORD.EXE	Key:	HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Common\LanguageResources\EnabledEditingLanguages
Operation:	write	Name:	en-US
Value: 1
(PID) Process:	(4076) WINWORD.EXE	Key:	HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Common\LanguageResources\EnabledEditingLanguages
Operation:	write	Name:	de-de
Value: 1
(PID) Process:	(4076) WINWORD.EXE	Key:	HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Common\LanguageResources\EnabledEditingLanguages
Operation:	write	Name:	es-es
Value: 1
(PID) Process:	(4076) WINWORD.EXE	Key:	HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Common\LanguageResources\EnabledEditingLanguages
Operation:	write	Name:	fr-fr
Value: 1
(PID) Process:	(4076) WINWORD.EXE	Key:	HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Common\LanguageResources\EnabledEditingLanguages
Operation:	write	Name:	it-it
Value: 1
(PID) Process:	(4076) WINWORD.EXE	Key:	HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Common\LanguageResources\EnabledEditingLanguages
Operation:	write	Name:	ja-jp
Value: 1
(PID) Process:	(4076) WINWORD.EXE	Key:	HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Common\LanguageResources\EnabledEditingLanguages
Operation:	write	Name:	ko-kr
Value: 1
(PID) Process:	(4076) WINWORD.EXE	Key:	HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Common\LanguageResources\EnabledEditingLanguages
Operation:	write	Name:	pt-br
Value: 1
(PID) Process:	(4076) WINWORD.EXE	Key:	HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Common\LanguageResources\EnabledEditingLanguages
Operation:	write	Name:	ru-ru
Value: 1

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Executable files

Suspicious files

139

Text files

Unknown types

Dropped files

PID	Process	Filename		Type
4076	WINWORD.EXE	C:\Users\admin\AppData\Local\Microsoft\Office\16.0\AddInClassifierCache\OfficeSharedEntitiesUpdated.bin		text
		MD5:12BC4531263A5EFF9971CBC89688B2F5	SHA256:77D3E9EEE546F57415976F90356A9C584F711A2C489FD242BFDA2C2FC146F000
4076	WINWORD.EXE	C:\Users\admin\AppData\Roaming\Microsoft\Templates\~$Normal.dotm		binary
		MD5:B8DBE5A5351AD54EED051C1C8494FE1E	SHA256:BC28653646F70DEF2A33A277ADA2BFE4C7F60B2261A0ADDC8A0981D45ECC37AD
4076	WINWORD.EXE	C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_363582827213C09529A76F35FB615187		binary
		MD5:5A348E95C7DEDFBACCD88759867D7400	SHA256:80D7D91128CAB01B136F5CAA166184E77632A0C602B95C7C8596F0201A20796B
4076	WINWORD.EXE	C:\Users\admin\Desktop\~$ankcareers.rtf		binary
		MD5:32F2E09F68F1BD0AC992E6AC0620971D	SHA256:274ADA73CEC8010A3D78FDC6ADE3EF63EA5BB3C441F6416BBE5F24D0EAAD8E17
4076	WINWORD.EXE	C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_363582827213C09529A76F35FB615187		binary
		MD5:7DB758F5A0D8E9C57DFB7E7770521980	SHA256:DFA6FF22155E5B64ADC3AC0116E9DAA94046C140F04887E26E0CE2C26A59319D
4076	WINWORD.EXE	C:\Users\admin\AppData\Local\Microsoft\TokenBroker\Cache\56a61aeb75d8f5be186c26607f4bb213abe7c5ec.tbres		binary
		MD5:BA89A307F4F778C639E0AFAB49442454	SHA256:DD950C720E91BDBCE799C40BB4407A5E9B1BF163750DC33C57076AA3F6FFAF5D
4076	WINWORD.EXE	C:\Users\admin\AppData\Roaming\Microsoft\Office\Recent\index.dat		text
		MD5:0B5BE263E0D9754AB9B98B2FB0ABBE7C	SHA256:96FC08CEBCDC920B6A2D9C821A7CEA032F2631FFBBB229C1D61EEF3AC3EEA84C
4076	WINWORD.EXE	C:\Users\admin\AppData\Roaming\Microsoft\Office\Recent\thankcareers.rtf.LNK		binary
		MD5:A66AFFEC23F81F50232B9841514F7B1C	SHA256:5EAA77014D78DB7F934A51E41E423BBEE03B69540EB4D209FC2D5C3E3798365B
4076	WINWORD.EXE	C:\Users\admin\AppData\Local\Microsoft\TokenBroker\Cache\089d66ba04a8cec4bdc5267f42f39cf84278bb67.tbres		binary
		MD5:EB787A66BD0A32396F3C969320134B09	SHA256:7A97057F2794B716F4DA1F8C8D9A4A8B83CF0BFA4D3D2617B76801A419568536
4076	WINWORD.EXE	C:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\43O7A3GED311WVRV1UZV.temp		binary
		MD5:E4A1661C2C886EBB688DEC494532431C	SHA256:B76875C50EF704DBBF7F02C982445971D1BBD61AEBE2E4B28DDC58A1D66317D5

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	2.17.190.73:80	http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTrjrydRyt%2BApF3GSPypfHBxR5XtQQUs9tIpPmhxdiuNkHMEWNpYim8S8YCEAI5PUjXAkJafLQcAAsO18o%3D	unknown	—	—	whitelisted
4076	WINWORD.EXE	GET	200	2.17.190.73:80	http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAUZZSZEml49Gjh0j13P68w%3D	unknown	—	—	whitelisted
2548	backgroundTaskHost.exe	GET	200	2.17.190.73:80	http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAUZZSZEml49Gjh0j13P68w%3D	unknown	—	—	whitelisted
1176	svchost.exe	GET	200	2.17.190.73:80	http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D	unknown	—	—	whitelisted
7056	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
4076	WINWORD.EXE	GET	200	2.16.241.19:80	http://crl.microsoft.com/pki/crl/products/microsoftrootcert.crl	unknown	—	—	whitelisted
7056	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
4076	WINWORD.EXE	GET	200	2.16.241.19:80	http://crl.microsoft.com/pki/crl/products/MicrosoftTimeStampPCA.crl	unknown	—	—	whitelisted
4076	WINWORD.EXE	GET	200	2.16.241.19:80	http://crl.microsoft.com/pki/crl/products/MicCodSigPCA_08-31-2010.crl	unknown	—	—	whitelisted
4076	WINWORD.EXE	GET	200	2.16.241.19:80	http://crl.microsoft.com/pki/crl/products/MicRooCerAut_2010-06-23.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
—	—	40.127.240.158:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	IE	whitelisted
4	System	192.168.100.255:138	—	—	—	whitelisted
5064	SearchApp.exe	2.21.65.132:443	www.bing.com	Akamai International B.V.	NL	whitelisted
—	—	2.17.190.73:80	ocsp.digicert.com	AKAMAI-AS	DE	whitelisted
1176	svchost.exe	20.190.159.73:443	login.live.com	MICROSOFT-CORP-MSN-AS-BLOCK	IE	whitelisted
1176	svchost.exe	2.17.190.73:80	ocsp.digicert.com	AKAMAI-AS	DE	whitelisted
6344	backdoor.exe	192.168.41.133:4444	—	—	—	unknown
1076	svchost.exe	184.28.89.167:443	go.microsoft.com	AKAMAI-AS	US	whitelisted
1476	RUXIMICS.exe	40.127.240.158:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	IE	whitelisted
4	System	192.168.100.255:137	—	—	—	whitelisted

DNS requests

Domain	IP	Reputation
google.com	172.217.16.206	whitelisted
www.bing.com	2.21.65.132 2.21.65.154	whitelisted
ocsp.digicert.com	2.17.190.73	whitelisted
login.live.com	20.190.159.73 20.190.159.71 40.126.31.73 20.190.159.4 20.190.159.128 40.126.31.0 40.126.31.69 40.126.31.1	whitelisted
go.microsoft.com	184.28.89.167	whitelisted
settings-win.data.microsoft.com	40.127.240.158 4.231.128.59	whitelisted
slscr.update.microsoft.com	172.202.163.200	whitelisted
www.microsoft.com	95.101.149.131	whitelisted
fe3cr.delivery.mp.microsoft.com	52.165.164.15	whitelisted
arc.msn.com	20.74.47.205	whitelisted

Threats

No threats detected

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Process	Message
WINWORD.EXE	WebView2: Failed to find an installed WebView2 runtime or non-stable Microsoft Edge installation.
WINWORD.EXE	WebView2: Failed to find an installed WebView2 runtime or non-stable Microsoft Edge installation.
WINWORD.EXE	WebView2: Failed to find an installed WebView2 runtime or non-stable Microsoft Edge installation.

General Info

backdoor.exe

04335CEADA361A46064005190A51C90F

6B5531064EC62262A5D6F6E7C3B3B8D732FA6AF6

80CAF31C52FACE543179A872F807CAF35470AD1715238F212CF04546EB083731

1536:h9otzzVkPpXJg2qm6Imo/L+bcUfZ/gypMb+KR0Nc8QsMqUR:jKkxX+2tmoD+9fZoke0Nc8Qs6R

Software environment set and analysis options

Launch configuration

Software preset

Hotfixes

Behavior activities

MALICIOUS

METASPLOIT has been detected (YARA)

SUSPICIOUS

Connects to unusual port

INFO

Checks supported languages

The sample compiled with english language support

Manual execution by a user

Malware configuration

Static information

TRiD

EXIF

EXE

Video and screenshots

Processes

Behavior graph

Specs description

Process information

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