Malware analysis Unconfirmed 275356.crdownload Malicious activity

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File name:	Unconfirmed 275356.crdownload
Full analysis:	https://app.any.run/tasks/9fdbb44f-d1ae-4681-b42b-da636853de9d
Verdict:	Malicious activity
Analysis date:	April 15, 2025, 19:47:14
OS:	Windows 10 Professional (build: 19044, 64 bit)
Tags:	spf-fail dkim-fail attachments attc-unc susp-attachments
Indicators:
MIME:	message/rfc822
File info:	RFC 822 mail, ASCII text, with very long lines (440), with CRLF line terminators
MD5:	46CA7570A13BA49AA13976332F571FF4
SHA1:	FB44823923B74CB0E2803140D56D1142C7AE7D5A
SHA256:	2A43CCD72164C83BA6A769861A49D202BEADAF68BEB34801339FA9A8EAF3E9E0
SSDEEP:	768:I0A/EaaF8n0nLb9I4N1DbtHvfHPPjvcQ4UFff1d5fXjvjPndXHvnTzrHxrrgI2Ub:I0A/EaaF8n0nLb9I4N1DbtHvfHPPjvcw

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
- Email with suspicious attachment
  - OUTLOOK.EXE (PID: 2136)
INFO
- Email verification fail (SPF, DKIM or DMARC)
  - OUTLOOK.EXE (PID: 2136)
- Email with attachments
  - OUTLOOK.EXE (PID: 2136)

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

.eml	\|	E-Mail message (Var. 5) (100)

No data.

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All screenshots are available in the full report

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Total processes

134

Monitored processes

Malicious processes

Suspicious processes

Behavior graph

Click at the process to see the details

Process information

PID

CMD

Path

Indicators

Parent process

1272

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

2136

"C:\Program Files\Microsoft Office\Root\Office16\OUTLOOK.EXE" /eml "C:\Users\admin\AppData\Local\Temp\Unconfirmed 275356.crdownload.eml"

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

explorer.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Microsoft Outlook

Exit code:

Version:

16.0.16026.20146

Modules

Images
c:\program files\microsoft office\root\office16\outlook.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\program files\microsoft office\root\office16\vcruntime140_1.dll
c:\program files\microsoft office\root\office16\outlookservicing.dll

6972

"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

7148

"C:\Program Files\Microsoft Office\root\VFS\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\ai.exe" "0CE715BF-E504-46F0-BE02-7F860C9300F8" "CA43D3B4-25E3-4311-97EE-F34488BDC372" "2136"

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

—

OUTLOOK.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:\windows\system32\rpcrt4.dll
c:\windows\system32\bcrypt.dll

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Total events

8 254

Read events

7 852

Write events

341

Delete events

Modification events


(PID) Process:	(2136) OUTLOOK.EXE	Key:	HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\Common\ClientTelemetry\Sampling
Operation:	write	Name:	6
Value: 01941A000000001000B24E9A3E06000000000000000600000000000000
(PID) Process:	(2136) OUTLOOK.EXE	Key:	HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\Common\CrashPersistence\OUTLOOK\2136
Operation:	write	Name:	0
Value: 0B0E1024CE9BCCBA154E4987E943630BF752B623004688C4D6ACF3C7EBED016A04102400449A7D64B29D01008500A907556E6B6E6F776EC906022222CA0DC2190000C91003783634C511D810D2120B6F00750074006C006F006F006B002E00650078006500C51620C517808004C91808323231322D44656300
(PID) Process:	(2136) OUTLOOK.EXE	Key:	HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Outlook\Diagnostics
Operation:	delete value	Name:	BootCommand
Value:
(PID) Process:	(2136) OUTLOOK.EXE	Key:	HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Outlook\Diagnostics
Operation:	delete value	Name:	BootFailureCount
Value:
(PID) Process:	(2136) OUTLOOK.EXE	Key:	HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Outlook\Diagnostics\BootDiagnosticsDataPreviousSession
Operation:	delete key	Name:	(default)
Value:
(PID) Process:	(2136) OUTLOOK.EXE	Key:	HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Outlook\Diagnostics\BootDiagnosticsDataPreviousSession
Operation:	write	Name:	CantBootResolution
Value: BootSuccess
(PID) Process:	(2136) OUTLOOK.EXE	Key:	HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Outlook\Diagnostics\BootDiagnosticsDataPreviousSession
Operation:	write	Name:	ProfileBeingOpened
Value: Outlook
(PID) Process:	(2136) OUTLOOK.EXE	Key:	HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Outlook\Diagnostics\BootDiagnosticsDataPreviousSession
Operation:	write	Name:	SessionId
Value: C3D8E96E-C1AF-4750-8D52-F4E28119C131
(PID) Process:	(2136) OUTLOOK.EXE	Key:	HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Outlook\Diagnostics\BootDiagnosticsDataPreviousSession
Operation:	write	Name:	BootDiagnosticsLogFile
Value: C:\Users\admin\AppData\Local\Temp\Outlook Logging\OUTLOOK_16_0_16026_20146-20240718T1116060318-1644.etl
(PID) Process:	(2136) OUTLOOK.EXE	Key:	HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Outlook\Diagnostics
Operation:	delete value	Name:	ProfileBeingOpened
Value:

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Executable files

Suspicious files

Text files

Unknown types

Dropped files

PID	Process	Filename		Type
2136	OUTLOOK.EXE	C:\Users\admin\Documents\Outlook Files\Outlook1.pst		—
		MD5:—	SHA256:—
2136	OUTLOOK.EXE	C:\Users\admin\AppData\Local\Microsoft\TokenBroker\Cache\089d66ba04a8cec4bdc5267f42f39cf84278bb67.tbres		binary
		MD5:671501C477DEF872180FABBAE2AC8B1A	SHA256:9A54D85608F292B4B66491CA03939FD6DE0113584E67CF3FE5875C03011A7CF3
2136	OUTLOOK.EXE	C:\Users\admin\AppData\Local\Microsoft\TokenBroker\Cache\56a61aeb75d8f5be186c26607f4bb213abe7c5ec.tbres		binary
		MD5:E54506EE37CA0D123EEB236A6014DC79	SHA256:E48023A7E24892A93D370CBFF564EF2E91F20CECE7FC1A227FE7F58CBFA71B30
2136	OUTLOOK.EXE	C:\Users\admin\AppData\Local\Microsoft\Office\16.0\AddInClassifierCache\OfficeSharedEntitiesUpdated.bin		text
		MD5:49C60C8BEABCD61283FBA17441786B96	SHA256:9D7399549AD5597DEBFF480F0FF01091F3018C58CD05BCD7C97C07E6E772FE6D
2136	OUTLOOK.EXE	C:\Users\admin\AppData\Local\Temp\msoCEEA.tmp		image
		MD5:ED3C1C40B68BA4F40DB15529D5443DEC	SHA256:039FE79B74E6D3D561E32D4AF570E6CA70DB6BB3718395BE2BF278B9E601279A
2136	OUTLOOK.EXE	C:\Users\admin\AppData\Roaming\Microsoft\Templates\~$rmalEmail.dotm		binary
		MD5:9F0464606BD3F36BF0D5696253457B9C	SHA256:363B2A3E2F83BE40E721B4C6141D94E7CC01007D2611E6BD8C4F151075198728
2136	OUTLOOK.EXE	C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_CBDCCBFE4F7A916411C1E69BDD97BB04		binary
		MD5:8F262A930527AE9D8ED59AB687A6A635	SHA256:D4DFFDC77A56005C37C6AA60D41AF7CC02C8EBC92DAE3D2D8F8C399077D4F839
2136	OUTLOOK.EXE	C:\Users\admin\AppData\Local\Microsoft\Office\16.0\AddInClassifierCache\OfficeSharedEntities.bin		text
		MD5:CC90D669144261B198DEAD45AA266572	SHA256:89C701EEFF939A44F28921FD85365ECD87041935DCD0FE0BAF04957DA12C9899
2136	OUTLOOK.EXE	C:\Users\admin\AppData\Roaming\Microsoft\Outlook\Outlook.srs		binary
		MD5:AFF6CD55E171F3581FC5AE272BFDD053	SHA256:0F15512748890F90E7FFB62A8CB49438F91F7FAABD8D96CDA678925D53CAC789
2136	OUTLOOK.EXE	C:\Users\admin\AppData\Local\Microsoft\Outlook\RoamCache\Stream_TableViewPreviewPrefs_2_F9255D74F14C064C9A1CB72EDA795735.dat		xml
		MD5:0E092DB99AEE99FDFF9B5B222C732CFD	SHA256:D1614AD99ADED9F6F5C1BE7FE7FFA5124BD04A526580DA3818EA8A954E852AA6

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
2136	OUTLOOK.EXE	GET	200	2.17.190.73:80	http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEApDqVCbATUviZV57HIIulA%3D	unknown	—	—	whitelisted
5496	MoUsoCoreWorker.exe	GET	200	193.108.153.150:80	http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl	unknown	—	—	whitelisted
—	—	GET	200	193.108.153.150:80	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
7652	SIHClient.exe	GET	200	23.35.229.160:80	http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl	unknown	—	—	whitelisted
7652	SIHClient.exe	GET	200	23.35.229.160:80	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
—	—	4.231.128.59:443	—	MICROSOFT-CORP-MSN-AS-BLOCK	IE	whitelisted
4	System	192.168.100.255:137	—	—	—	whitelisted
5496	MoUsoCoreWorker.exe	193.108.153.150:80	crl.microsoft.com	Akamai International B.V.	DE	whitelisted
—	—	193.108.153.150:80	crl.microsoft.com	Akamai International B.V.	DE	whitelisted
2104	svchost.exe	4.231.128.59:443	—	MICROSOFT-CORP-MSN-AS-BLOCK	IE	whitelisted
4	System	192.168.100.255:138	—	—	—	whitelisted
2136	OUTLOOK.EXE	52.123.224.73:443	ecs.office.com	MICROSOFT-CORP-MSN-AS-BLOCK	US	whitelisted
3216	svchost.exe	172.211.123.250:443	client.wns.windows.com	MICROSOFT-CORP-MSN-AS-BLOCK	FR	whitelisted
6544	svchost.exe	20.190.159.71:443	login.live.com	MICROSOFT-CORP-MSN-AS-BLOCK	IE	whitelisted
6544	svchost.exe	2.17.190.73:80	ocsp.digicert.com	AKAMAI-AS	DE	whitelisted

DNS requests

Domain	IP	Reputation
crl.microsoft.com	193.108.153.150	whitelisted
google.com	172.217.16.206	whitelisted
ecs.office.com	52.123.224.73 52.123.224.69 52.123.243.89	whitelisted
client.wns.windows.com	172.211.123.250	whitelisted
login.live.com	20.190.159.71 20.190.159.0 40.126.31.71 20.190.159.68 20.190.159.2 40.126.31.1 40.126.31.73 20.190.159.128	whitelisted
ocsp.digicert.com	2.17.190.73	whitelisted
roaming.officeapps.live.com	52.109.68.129	whitelisted
omex.cdn.office.net	2.16.2.145 2.16.2.146	whitelisted
messaging.lifecycle.office.com	52.111.231.8	whitelisted
settings-win.data.microsoft.com	40.127.240.158	whitelisted

Threats

No threats detected

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No debug info

General Info

Unconfirmed 275356.crdownload

46CA7570A13BA49AA13976332F571FF4

FB44823923B74CB0E2803140D56D1142C7AE7D5A

2A43CCD72164C83BA6A769861A49D202BEADAF68BEB34801339FA9A8EAF3E9E0

768:I0A/EaaF8n0nLb9I4N1DbtHvfHPPjvcQ4UFff1d5fXjvjPndXHvnTzrHxrrgI2Ub:I0A/EaaF8n0nLb9I4N1DbtHvfHPPjvcw

Software environment set and analysis options

Launch configuration

Software preset

Hotfixes

Behavior activities

MALICIOUS

SUSPICIOUS

Email with suspicious attachment

INFO

Email verification fail (SPF, DKIM or DMARC)

Email with attachments

Malware configuration

Static information

TRiD

Video and screenshots

Processes

Behavior graph

Specs description

Process information

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