File name:

letter of concern and respect.msg

Full analysis: https://app.any.run/tasks/b5fbbe61-d6da-46c0-8a0b-c0fd559c53e9
Verdict: Malicious activity
Analysis date: June 04, 2025, 23:57:27
OS: Windows 10 Professional (build: 19044, 64 bit)
Tags:
attachments
attc-unc
susp-attachments
Indicators:
MIME: application/vnd.ms-outlook
File info: CDFV2 Microsoft Outlook Message
MD5:

767792D294A8336736F5586B02ED2C0A

SHA1:

59E54C1ABF34544664731865BADB856EBCA2911F

SHA256:

42E78C6294A49897F25B803C155621CD9F4D89BABBF535153C85DCB5913DAA7D

SSDEEP:

768:OfX99K4LkoQqJDV4aTDyffyg6UyTADNBCpERNR+cc1w7OjJgQ4UXDX4XiSA5Gp72:Of+4LJQkpMqnkR8+yJGM4XC5GlYki3

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.
  • MALICIOUS

    No malicious indicators.
  • SUSPICIOUS

    • Unnecessary Base64 encoding in Email Subject

      • OUTLOOK.EXE (PID: 3968)
    • Email with suspicious attachment

      • OUTLOOK.EXE (PID: 3968)
  • INFO

    • Email with attachments

      • OUTLOOK.EXE (PID: 3968)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.msg | Outlook Message (58.9)
.oft | Outlook Form Template (34.4)
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
134
Monitored processes
6
Malicious processes
0
Suspicious processes
1

Behavior graph

Click at the process to see the details
start outlook.exe sppextcomobj.exe no specs slui.exe no specs ai.exe no specs winword.exe ai.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
2432"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=TimerEventC:\Windows\System32\slui.exeSppExtComObj.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
2660"C:\Program Files\Microsoft Office\root\VFS\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\ai.exe" "C19010EF-A88F-474C-BE10-6D67E5EB0B16" "05620C9A-3C6C-43F8-9F6F-35D0177C6063" "3968"C:\Program Files\Microsoft Office\root\VFS\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\ai.exeOUTLOOK.EXE
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Artificial Intelligence (AI) Host for the Microsoft® Windows® Operating System and Platform x64.
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:\program files\common files\microsoft shared\clicktorun\c2r64.dll
c:\windows\system32\sechost.dll
c:\windows\system32\ole32.dll
3968"C:\Program Files\Microsoft Office\Root\Office16\OUTLOOK.EXE" /f "C:\Users\admin\AppData\Local\Temp\letter of concern and respect.msg"C:\Program Files\Microsoft Office\root\Office16\OUTLOOK.EXE
explorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Microsoft Outlook
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:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
4180C:\WINDOWS\system32\SppExtComObj.exe -EmbeddingC:\Windows\System32\SppExtComObj.Exesvchost.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
6416"C:\Program Files\Microsoft Office\root\VFS\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\ai.exe" "D78D64D5-69CE-4D15-BC30-B6D8718A3939" "871EEB0C-E3C7-4F27-B77B-21B2529E479E" "8052"C:\Program Files\Microsoft Office\root\VFS\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\ai.exeWINWORD.EXE
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Artificial Intelligence (AI) Host for the Microsoft® Windows® Operating System and Platform x64.
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
8052"C:\Program Files\Microsoft Office\root\Office16\WINWORD.EXE" /n "C:\Users\admin\AppData\Local\Microsoft\Windows\INetCache\Content.Outlook\L87XW607\final letter of support for Steller Vista Credit Union Workers june 2 1015.odt"C:\Program Files\Microsoft Office\root\Office16\WINWORD.EXE
OUTLOOK.EXE
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Microsoft Word
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:\program files\common files\microsoft shared\clicktorun\appvisvsubsystems64.dll
c:\windows\system32\advapi32.dll
c:\program files\common files\microsoft shared\clicktorun\c2r64.dll
c:\windows\system32\ole32.dll
c:\windows\system32\msvcrt.dll
Total events
22 515
Read events
21 796
Write events
649
Delete events
70

Modification events

(PID) Process:(3968) OUTLOOK.EXEKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\Common\ClientTelemetry\Sampling
Operation:writeName:6
Value:
01941A000000001000B24E9A3E06000000000000000600000000000000
(PID) Process:(3968) OUTLOOK.EXEKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\Common\CrashPersistence\OUTLOOK\3968
Operation:writeName:0
Value:
0B0E10657B27E8359F6C43A2D8FD72F5E54FA723004684D4E08CC7B5F5ED016A04102400449A7D64B29D01008500A907556E6B6E6F776EC906022222CA0DC2190000C91003783634C511801FD2120B6F00750074006C006F006F006B002E00650078006500C51620C517808004C91808323231322D44656300
(PID) Process:(3968) OUTLOOK.EXEKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Outlook\Resiliency\StartupItems
Operation:writeName:z?)
Value:
7A3F2900800F00000100000000000000556CA671ACD5DB0100000000
(PID) Process:(3968) OUTLOOK.EXEKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Common\ClientTelemetry\RulesMetadata\outlook.exe\ULSMonitor
Operation:writeName:ULSTagIds0
Value:
17634580,18658649,18409363,18658650,17126295,9319450,17913998,18948102,18658648,16920930,23978014,18637650,18674530,18409416,18948101,16859363,8988293,17182980,9176926,8448079,17913999,17064074,5850463,17182941,17914002,5850305,5898880,5850582,17914003,17182979,17182943,6166345,17182942,22929429,17110992,6636694,17372899,17182981,5898881,5850583,5898849,7218753,5850062,5850584,17372928,17922253,6636695,17182982,5850061,17146274,17914001,6029780,17110988,17913997,17914000,5850525,8709129,20248016
(PID) Process:(3968) OUTLOOK.EXEKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Common\ClientTelemetry\RulesMetadata\outlook.exe\ULSMonitor
Operation:writeName:ULSCategoriesSeverities
Value:
827 15,1001 15,1000 15,1338 50,999 15,1282 50,226 15,1338 10,1282 10,831 15,1338 15,1282 15,829 15,1128 15,850 15,998 15,1039 15,828 15,1255 15,830 15,974 15,1249 15,670 15,671 15,1002 15,669 15,291 15,1249 10,2086 15,2087 15,2088 15
(PID) Process:(3968) OUTLOOK.EXEKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Common\ClientTelemetry\RulesMetadata\outlook.exe\ULSMonitor
Operation:writeName:ULSAllCategories
Value:
10
(PID) Process:(3968) OUTLOOK.EXEKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Outlook\Diagnostics
Operation:delete valueName:BootCommand
Value:
(PID) Process:(3968) OUTLOOK.EXEKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Outlook\Diagnostics
Operation:delete valueName:BootFailureCount
Value:
(PID) Process:(3968) OUTLOOK.EXEKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Outlook\Diagnostics\BootDiagnosticsDataPreviousSession
Operation:delete keyName:(default)
Value:
(PID) Process:(3968) OUTLOOK.EXEKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Outlook\Diagnostics\BootDiagnosticsDataPreviousSession
Operation:writeName:CantBootResolution
Value:
BootSuccess
Executable files
33
Suspicious files
127
Text files
19
Unknown types
0

Dropped files

PID
Process
Filename
Type
3968OUTLOOK.EXEC:\Users\admin\Documents\Outlook Files\Outlook1.pst
MD5:
SHA256:
3968OUTLOOK.EXEC:\Users\admin\AppData\Local\Microsoft\TokenBroker\Cache\56a61aeb75d8f5be186c26607f4bb213abe7c5ec.tbresbinary
MD5:034738AB4858DBD2B813D8A4D87A93B6
SHA256:B0E2AD9636902CB6D8F5B23E948C98F5589F051E355F56C88445981600B513F5
3968OUTLOOK.EXEC:\Users\admin\AppData\Local\Microsoft\TokenBroker\Cache\089d66ba04a8cec4bdc5267f42f39cf84278bb67.tbresbinary
MD5:EB45E10719623F1B5DE7495F7316787B
SHA256:015ABB9115884F8BADC25442C0D5403658159156C58517D6450E30A0C964248D
3968OUTLOOK.EXEC:\Users\admin\AppData\Roaming\Microsoft\Templates\~$rmalEmail.dotmbinary
MD5:FA8E5F9D64D7CAE6DAB6136480BC96C3
SHA256:9B528FFF207425F110CFC31DFEE2631FD5C5F0C190ED9C637C321EE4B1820553
3968OUTLOOK.EXEC:\Users\admin\AppData\Local\Microsoft\Office\16.0\AddInClassifierCache\OfficeSharedEntities.bintext
MD5:CC90D669144261B198DEAD45AA266572
SHA256:89C701EEFF939A44F28921FD85365ECD87041935DCD0FE0BAF04957DA12C9899
3968OUTLOOK.EXEC:\Users\admin\AppData\Local\Microsoft\Windows\INetCache\Content.Outlook\L87XW607\final letter of support for Steller Vista Credit Union Workers june 2 1015.odtbinary
MD5:82F76E2D012176763EE24AD26F237098
SHA256:21601341E58C25CD61697AB2003F6ED9A2BA4B3F25EF645D21F83D61A5C4DEA9
3968OUTLOOK.EXEC:\Users\admin\AppData\Local\Microsoft\Outlook\RoamCache\Stream_TableViewPreviewPrefs_2_1567BADCB92A534D89734E488E0F3D3F.datxml
MD5:0E092DB99AEE99FDFF9B5B222C732CFD
SHA256:D1614AD99ADED9F6F5C1BE7FE7FFA5124BD04A526580DA3818EA8A954E852AA6
3968OUTLOOK.EXEC:\Users\admin\AppData\Local\Microsoft\Windows\INetCache\Content.Outlook\L87XW607\final letter of support for Steller Vista Credit Union Workers june 2 1015 (002).odtbinary
MD5:82F76E2D012176763EE24AD26F237098
SHA256:21601341E58C25CD61697AB2003F6ED9A2BA4B3F25EF645D21F83D61A5C4DEA9
8052WINWORD.EXEC:\Users\admin\AppData\Roaming\Microsoft\Templates\~$Normal.dotmbinary
MD5:DCC2087AEC9E8DD6F5F28ECD644CEC11
SHA256:89A2E62E1BFCF8BE288394777C0B4C5E32353DAF945D60EFA53488FDED64BAEC
3968OUTLOOK.EXEC:\Users\admin\AppData\Local\Microsoft\Windows\INetCache\Content.Outlook\L87XW607\final letter of support for Steller Vista Credit Union Workers june 2 1015.odt:Zone.Identifiertext
MD5:FBCCF14D504B7B2DBCB5A5BDA75BD93B
SHA256:EACD09517CE90D34BA562171D15AC40D302F0E691B439F91BE1B6406E25F5913
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
16
TCP/UDP connections
66
DNS requests
24
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
5496
MoUsoCoreWorker.exe
GET
200
23.53.40.178:80
http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl
unknown
whitelisted
GET
200
23.53.40.178:80
http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl
unknown
whitelisted
5496
MoUsoCoreWorker.exe
GET
200
184.30.21.171:80
http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl
unknown
whitelisted
GET
200
184.30.21.171:80
http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl
unknown
whitelisted
3968
OUTLOOK.EXE
GET
200
184.30.131.245:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEApDqVCbATUviZV57HIIulA%3D
unknown
whitelisted
6544
svchost.exe
GET
200
184.30.131.245:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D
unknown
whitelisted
8052
WINWORD.EXE
GET
200
184.30.131.245:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAUZZSZEml49Gjh0j13P68w%3D
unknown
whitelisted
2332
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
2332
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
8052
WINWORD.EXE
GET
200
2.18.121.139:80
http://crl.microsoft.com/pki/crl/products/microsoftrootcert.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
System
192.168.100.255:137
whitelisted
20.73.194.208:443
MICROSOFT-CORP-MSN-AS-BLOCK
NL
whitelisted
5496
MoUsoCoreWorker.exe
23.53.40.178:80
crl.microsoft.com
Akamai International B.V.
DE
whitelisted
7716
RUXIMICS.exe
20.73.194.208:443
MICROSOFT-CORP-MSN-AS-BLOCK
NL
whitelisted
23.53.40.178:80
crl.microsoft.com
Akamai International B.V.
DE
whitelisted
5496
MoUsoCoreWorker.exe
184.30.21.171:80
www.microsoft.com
AKAMAI-AS
DE
whitelisted
184.30.21.171:80
www.microsoft.com
AKAMAI-AS
DE
whitelisted
4
System
192.168.100.255:138
whitelisted
7552
svchost.exe
20.73.194.208:443
MICROSOFT-CORP-MSN-AS-BLOCK
NL
whitelisted
3968
OUTLOOK.EXE
52.123.129.14:443
ecs.office.com
MICROSOFT-CORP-MSN-AS-BLOCK
US
whitelisted

DNS requests

Domain
IP
Reputation
google.com
  • 142.250.186.78
whitelisted
crl.microsoft.com
  • 23.53.40.178
  • 23.53.40.176
  • 2.18.121.139
  • 2.18.121.147
whitelisted
www.microsoft.com
  • 184.30.21.171
  • 95.101.149.131
whitelisted
ecs.office.com
  • 52.123.129.14
  • 52.123.128.14
whitelisted
omex.cdn.office.net
  • 23.48.23.18
  • 23.48.23.30
whitelisted
messaging.lifecycle.office.com
  • 52.111.231.13
whitelisted
login.live.com
  • 20.190.159.0
  • 40.126.31.128
  • 40.126.31.0
  • 20.190.159.71
  • 40.126.31.3
  • 40.126.31.2
  • 20.190.159.2
  • 40.126.31.130
whitelisted
ocsp.digicert.com
  • 184.30.131.245
whitelisted
client.wns.windows.com
  • 172.211.123.250
whitelisted
self.events.data.microsoft.com
  • 20.50.73.11
  • 20.50.201.195
whitelisted

Threats

No threats detected
No debug info