File name:

Undelivered Mail Returned to Sender.msg

Full analysis: https://app.any.run/tasks/b24de644-cccf-4c3c-8efa-87bfdd2bcbc4
Verdict: Malicious activity
Analysis date: May 21, 2025, 05:49:36
OS: Windows 10 Professional (build: 19044, 64 bit)
Tags:
susp-attachments
attachments
attc-eml
phishing
phish-url
Indicators:
MIME: application/vnd.ms-outlook
File info: CDFV2 Microsoft Outlook Message
MD5:

E6F16E6F667D1F02B01C028AA822EBFC

SHA1:

E1CECC96B0E10B9FA13AEEB6B4B628BFD25F65A0

SHA256:

55901057FDDEC972CC9F8437BCCC014884441F5A7F886AB1635450FEC63866E8

SSDEEP:

768:/MxefbsK83PNE/GTu7sK1WsK17/g93yBR4eMzou9rikjbhW+jsK1WsK+sNE/hEuv:/McDINE/PIaoao0zIPNE/8UVcxI

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

    • Email with suspicious attachment

      • OUTLOOK.EXE (PID: 6656)

  • INFO

    • Email with attachments

      • OUTLOOK.EXE (PID: 6656)
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.
screenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
135
Monitored processes
4
Malicious processes
0
Suspicious processes
0

Behavior graph

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

Process information

PID
CMD
Path
Indicators
Parent process
6656"C:\Program Files\Microsoft Office\Root\Office16\OUTLOOK.EXE" /f "C:\Users\admin\AppData\Local\Temp\Undelivered Mail Returned to Sender.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
7644"C:\Program Files\Microsoft Office\root\VFS\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\ai.exe" "6A06EE47-B7F8-4142-A85A-BCFBAD259DA8" "9497F7F9-91CD-4C27-819D-05069EEC3305" "6656"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.
Version:
0.12.2.0
Modules
Images
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
c:\windows\system32\bcrypt.dll
c:\windows\system32\ole32.dll
7700C:\WINDOWS\system32\SppExtComObj.exe -EmbeddingC:\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
7732"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.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
Total events
4 517
Read events
4 351
Write events
136
Delete events
30

Modification events

(PID) Process:(6656) OUTLOOK.EXEKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\Common\ClientTelemetry\Sampling
Operation:writeName:6
Value:
01941A000000001000B24E9A3E06000000000000000600000000000000
(PID) Process:(6656) OUTLOOK.EXEKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\Common\CrashPersistence\OUTLOOK\6656
Operation:writeName:0
Value:
0B0E10E9673C595901F4469A54AFB662AE51102300468897AEC7C2C2F2ED016A04102400449A7D64B29D01008500A907556E6B6E6F776EC906022222CA0DC2190000C91003783634C5118034D2120B6F00750074006C006F006F006B002E00650078006500C51620C517808004C91808323231322D44656300
(PID) Process:(6656) OUTLOOK.EXEKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Outlook\Diagnostics
Operation:delete valueName:BootCommand
Value:
(PID) Process:(6656) OUTLOOK.EXEKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Outlook\Diagnostics
Operation:delete valueName:BootFailureCount
Value:
(PID) Process:(6656) OUTLOOK.EXEKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Outlook\Diagnostics\BootDiagnosticsDataPreviousSession
Operation:delete keyName:(default)
Value:
(PID) Process:(6656) OUTLOOK.EXEKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Outlook\Diagnostics\BootDiagnosticsDataPreviousSession
Operation:writeName:CantBootResolution
Value:
BootSuccess
(PID) Process:(6656) OUTLOOK.EXEKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Outlook\Diagnostics\BootDiagnosticsDataPreviousSession
Operation:writeName:ProfileBeingOpened
Value:
Outlook
(PID) Process:(6656) OUTLOOK.EXEKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Outlook\Diagnostics\BootDiagnosticsDataPreviousSession
Operation:writeName:SessionId
Value:
C3D8E96E-C1AF-4750-8D52-F4E28119C131
(PID) Process:(6656) OUTLOOK.EXEKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Outlook\Diagnostics\BootDiagnosticsDataPreviousSession
Operation:writeName:BootDiagnosticsLogFile
Value:
C:\Users\admin\AppData\Local\Temp\Outlook Logging\OUTLOOK_16_0_16026_20146-20240718T1116060318-1644.etl
(PID) Process:(6656) OUTLOOK.EXEKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Outlook\Diagnostics
Operation:delete valueName:ProfileBeingOpened
Value:
Executable files
0
Suspicious files
5
Text files
4
Unknown types
0

Dropped files

PID
Process
Filename
Type
6656OUTLOOK.EXEC:\Users\admin\Documents\Outlook Files\Outlook1.pst —
MD5:—
SHA256:—
6656OUTLOOK.EXEC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_363582827213C09529A76F35FB615187binary
MD5:2E06FC71162E5219FEF0FF8181B041D0
SHA256:3F0EC80472C4FA046766E1BDC3CD0BBDF6084C86A9E1020BC20DB142CAF0EC09
6656OUTLOOK.EXEC:\Users\admin\AppData\Local\Microsoft\Office\16.0\WebServiceCache\AllUsers\officeclient.microsoft.com\48102518-0453-4F8B-8BB2-B452EF8DA059xml
MD5:3F3F730D4047BAEE2455EC319EFF46C7
SHA256:87A22F71B6B4A5E64F12DEF98C8B4955EA06E0BE69AF3E3DB96A751601BC925F
6656OUTLOOK.EXEC:\Users\admin\AppData\Local\Microsoft\Office\16.0\AddInClassifierCache\OfficeSharedEntities.bintext
MD5:CC90D669144261B198DEAD45AA266572
SHA256:89C701EEFF939A44F28921FD85365ECD87041935DCD0FE0BAF04957DA12C9899
6656OUTLOOK.EXEC:\Users\admin\AppData\Local\Microsoft\TokenBroker\Cache\56a61aeb75d8f5be186c26607f4bb213abe7c5ec.tbresbinary
MD5:DAC6D4CF6DB9D4008449C74218E4AB75
SHA256:7A0166F96790046AC24B386078A6A42357F9BAE37F82E480DF1349E104CBDE9F
6656OUTLOOK.EXEC:\Users\admin\AppData\Local\Microsoft\Office\16.0\AddInClassifierCache\OfficeSharedEntitiesUpdated.bintext
MD5:CB65B7B2BBFBB8A2C6A4170FF33AE403
SHA256:08D4DD0782C1B450D0FD71C38DF50EF406020199EA48E83354D607651F6911A7
6656OUTLOOK.EXEC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_363582827213C09529A76F35FB615187binary
MD5:CD151540A87C8EFE69C3F92246BBF7DD
SHA256:672FD52294FD47983A2868A03B7E31BF469152C67A403CCB0B8DCAB8E131B500
6656OUTLOOK.EXEC:\Users\admin\AppData\Roaming\Microsoft\Templates\~$rmalEmail.dotmbinary
MD5:8FBB64741EF014A78857FE8A4FCDD183
SHA256:07117EDAAB8A2EC4BA3F5967DE02221571207522F620A25AD06E8C91772451FD
6656OUTLOOK.EXEC:\Users\admin\AppData\Local\Microsoft\TokenBroker\Cache\089d66ba04a8cec4bdc5267f42f39cf84278bb67.tbresbinary
MD5:B22A61FBC9B5673D390156980587676B
SHA256:FCA5CE6B7842BE76ACA2DB75C7C163EABB173A9C96B9C46A098ADA1F3979C093
6656OUTLOOK.EXEC:\Users\admin\AppData\Local\Microsoft\Outlook\RoamCache\Stream_TableViewPreviewPrefs_2_B2DB1AEC44208F4BB7716657AC639071.datxml
MD5:0E092DB99AEE99FDFF9B5B222C732CFD
SHA256:D1614AD99ADED9F6F5C1BE7FE7FFA5124BD04A526580DA3818EA8A954E852AA6
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
6
TCP/UDP connections
27
DNS requests
20
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
5496
MoUsoCoreWorker.exe
GET
200
23.216.77.28:80
http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl
unknown
—
—
whitelisted
5496
MoUsoCoreWorker.exe
GET
200
23.35.229.160:80
http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl
unknown
—
—
whitelisted
6656
OUTLOOK.EXE
GET
200
2.17.190.73:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAUZZSZEml49Gjh0j13P68w%3D
unknown
—
—
whitelisted
6544
svchost.exe
GET
200
2.17.190.73:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D
unknown
—
—
whitelisted
2236
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
2236
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
System
192.168.100.255:138
—
—
—
whitelisted
—
—
51.104.136.2:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
5496
MoUsoCoreWorker.exe
23.216.77.28:80
crl.microsoft.com
Akamai International B.V.
DE
whitelisted
5496
MoUsoCoreWorker.exe
23.35.229.160:80
www.microsoft.com
AKAMAI-AS
DE
whitelisted
—
—
172.211.123.248:443
client.wns.windows.com
MICROSOFT-CORP-MSN-AS-BLOCK
FR
whitelisted
—
—
52.109.89.18:443
officeclient.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
NL
whitelisted
—
—
52.123.131.14:443
ecs.office.com
MICROSOFT-CORP-MSN-AS-BLOCK
US
whitelisted
6656
OUTLOOK.EXE
52.109.28.47:443
roaming.officeapps.live.com
MICROSOFT-CORP-MSN-AS-BLOCK
GB
whitelisted
6656
OUTLOOK.EXE
2.17.190.73:80
ocsp.digicert.com
AKAMAI-AS
DE
whitelisted
6656
OUTLOOK.EXE
23.48.23.62:443
omex.cdn.office.net
Akamai International B.V.
DE
whitelisted

DNS requests

Domain
IP
Reputation
google.com
  • 142.250.186.142
whitelisted
settings-win.data.microsoft.com
  • 51.104.136.2
  • 4.231.128.59
whitelisted
crl.microsoft.com
  • 23.216.77.28
  • 23.216.77.6
whitelisted
www.microsoft.com
  • 23.35.229.160
whitelisted
client.wns.windows.com
  • 172.211.123.248
whitelisted
officeclient.microsoft.com
  • 52.109.89.18
whitelisted
ecs.office.com
  • 52.123.131.14
  • 52.123.130.14
whitelisted
roaming.officeapps.live.com
  • 52.109.28.47
whitelisted
ocsp.digicert.com
  • 2.17.190.73
whitelisted
omex.cdn.office.net
  • 23.48.23.62
  • 23.48.23.18
  • 23.48.23.30
  • 23.48.23.11
whitelisted

Threats

No threats detected
No debug info
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Reports
Undelivered Mail Returned to Sender.msg