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File name:

rfc (32).eml

Full analysis: https://app.any.run/tasks/6b989b59-82aa-42b3-bf4c-18b9c757a9c1
Verdict: Malicious activity
Analysis date: April 01, 2023, 02:35:00
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MIME: message/rfc822
File info: RFC 822 mail, ASCII text, with very long lines, with CRLF line terminators
MD5:

7362F993BF7DA62A7C8F786F43902264

SHA1:

E805462AABB08FA7E2CAA3717860E4D0D9B27072

SHA256:

C465FE79F332A39D1E1A08B4D3EBC44D05667266223C8634E3A260ADC7E79D8A

SSDEEP:

24576:yAyvef0nhN9JQzeclk3ORzz2MmJfigAB4ynEaE/xmN6v+7bFOu/sa+e6HqN4SZVN:0F2kehSrxjxf+7bFOy+Z6nZMQ

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

    • Unusual execution from MS Office

      • OUTLOOK.EXE (PID: 2672)

  • SUSPICIOUS

    • Searches for installed software

      • OUTLOOK.EXE (PID: 2672)

    • Reads the Internet Settings

      • OUTLOOK.EXE (PID: 2672)
      • rundll32.exe (PID: 1048)

    • Uses RUNDLL32.EXE to load library

      • OUTLOOK.EXE (PID: 2672)

  • INFO

    • The process checks LSA protection

      • OUTLOOK.EXE (PID: 2672)

    • Reads the computer name

      • OUTLOOK.EXE (PID: 2672)

    • Checks supported languages

      • OUTLOOK.EXE (PID: 2672)

    • Reads Microsoft Office registry keys

      • OUTLOOK.EXE (PID: 2672)

    • Create files in a temporary directory

      • OUTLOOK.EXE (PID: 2672)
      • iexplore.exe (PID: 3168)
      • iexplore.exe (PID: 3316)

    • Checks proxy server information

      • OUTLOOK.EXE (PID: 2672)

    • Process checks computer location settings

      • OUTLOOK.EXE (PID: 2672)

    • Reads the machine GUID from the registry

      • OUTLOOK.EXE (PID: 2672)

    • Creates files or folders in the user directory

      • OUTLOOK.EXE (PID: 2672)

    • The process uses the downloaded file

      • OUTLOOK.EXE (PID: 2672)

    • Application launched itself

      • iexplore.exe (PID: 3168)
      • iexplore.exe (PID: 3316)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.eml | E-Mail message (Var. 5) (100)
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
45
Monitored processes
6
Malicious processes
1
Suspicious processes
0

Behavior graph

Click at the process to see the details
start outlook.exe rundll32.exe no specs iexplore.exe iexplore.exe iexplore.exe iexplore.exe

Process information

PID
CMD
Path
Indicators
Parent process
2672"C:\PROGRA~1\MICROS~1\Office14\OUTLOOK.EXE" /eml "C:\Users\admin\AppData\Local\Temp\rfc (32).eml"C:\Program Files\Microsoft Office\Office14\OUTLOOK.EXE
explorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Microsoft Outlook
Exit code:
0
Version:
14.0.6025.1000
Modules
Images
c:\program files\microsoft office\office14\outlook.exe
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\version.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\ntdll.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\rpcrt4.dll
1048"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.Outlook\M8HM2XUS\message_v2.rpmsgC:\Windows\System32\rundll32.exe—OUTLOOK.EXE
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows host process (Rundll32)
Exit code:
3221225547
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\rundll32.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\advapi32.dll
3168"C:\Program Files\Internet Explorer\iexplore.exe" http://go.microsoft.com/fwlink/?LinkId=57426&Ext=rpmsgC:\Program Files\Internet Explorer\iexplore.exe
rundll32.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Internet Explorer
Exit code:
1
Version:
11.00.9600.16428 (winblue_gdr.131013-1700)
Modules
Images
c:\program files\internet explorer\iexplore.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\api-ms-win-downlevel-advapi32-l1-1-0.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\iertutil.dll
3464"C:\Program Files\Internet Explorer\iexplore.exe" SCODEF:3168 CREDAT:267521 /prefetch:2C:\Program Files\Internet Explorer\iexplore.exe
iexplore.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
LOW
Description:
Internet Explorer
Exit code:
0
Version:
11.00.9600.16428 (winblue_gdr.131013-1700)
Modules
Images
c:\program files\internet explorer\iexplore.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\api-ms-win-downlevel-advapi32-l1-1-0.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\api-ms-win-downlevel-version-l1-1-0.dll
c:\windows\system32\advapi32.dll
3316"C:\Program Files\Internet Explorer\iexplore.exe" https://outlook.office365.com/owa/?viewmodel=ReadMessageItem&InternetMessageID=%3cPH7PR12MB7018A1A13107140900F0F484DC8E9%40PH7PR12MB7018.namprd12.prod.outlook.com%3eC:\Program Files\Internet Explorer\iexplore.exe
OUTLOOK.EXE
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Internet Explorer
Exit code:
1
Version:
11.00.9600.16428 (winblue_gdr.131013-1700)
Modules
Images
c:\program files\internet explorer\iexplore.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\api-ms-win-downlevel-advapi32-l1-1-0.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\api-ms-win-downlevel-version-l1-1-0.dll
3724"C:\Program Files\Internet Explorer\iexplore.exe" SCODEF:3316 CREDAT:267521 /prefetch:2C:\Program Files\Internet Explorer\iexplore.exe
iexplore.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
LOW
Description:
Internet Explorer
Exit code:
0
Version:
11.00.9600.16428 (winblue_gdr.131013-1700)
Modules
Images
c:\program files\internet explorer\iexplore.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\api-ms-win-downlevel-advapi32-l1-1-0.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\api-ms-win-downlevel-user32-l1-1-0.dll
Total events
62 892
Read events
61 690
Write events
1 152
Delete events
50

Modification events

(PID) Process:(2672) OUTLOOK.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:writeName:1033
Value:
On
(PID) Process:(2672) OUTLOOK.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:writeName:1041
Value:
On
(PID) Process:(2672) OUTLOOK.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:writeName:1046
Value:
On
(PID) Process:(2672) OUTLOOK.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:writeName:1036
Value:
On
(PID) Process:(2672) OUTLOOK.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:writeName:1031
Value:
On
(PID) Process:(2672) OUTLOOK.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:writeName:1040
Value:
On
(PID) Process:(2672) OUTLOOK.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:writeName:1049
Value:
On
(PID) Process:(2672) OUTLOOK.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:writeName:3082
Value:
On
(PID) Process:(2672) OUTLOOK.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:writeName:1042
Value:
On
(PID) Process:(2672) OUTLOOK.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:writeName:1055
Value:
On
Executable files
0
Suspicious files
46
Text files
320
Unknown types
42

Dropped files

PID
Process
Filename
Type
2672OUTLOOK.EXEC:\Users\admin\AppData\Local\Temp\CVRF955.tmp.cvr —
MD5:—
SHA256:—
2672OUTLOOK.EXEC:\Users\admin\Documents\Outlook Files\Outlook Data File - NoMail.pst —
MD5:—
SHA256:—
2672OUTLOOK.EXEC:\Users\admin\AppData\Local\Temp\tmpFB59.tmpbinary
MD5:D818452665DB663007A0B25745BF4EC1
SHA256:F1BD2E6B96951F2BBAFF298DA5E57FDFB19343ED9F2CF7EB9C1B2DC203996AF0
2672OUTLOOK.EXEC:\Users\admin\AppData\Roaming\Microsoft\Templates\~$rmalEmail.dotmpgc
MD5:914CC1B1861E27F667314C5A8E3869C6
SHA256:707F38A56F1C0AAD63E14D0E21488986E55EC5028F3704FF2B07CEC2094087E0
2672OUTLOOK.EXEC:\Users\admin\AppData\Local\Temp\outlook logging\firstrun.logtext
MD5:8CD28E9D104068B7097422E60E06E068
SHA256:E4749EF5FAF045CA26849A767392AF9BEAE13BABE133D642AF73D024724361A8
2672OUTLOOK.EXEC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.Outlook\M8HM2XUS\message_v2.rpmsgrpmsg
MD5:D9EE6D339AC6607C4D9CD3E0A1477CCF
SHA256:08F13D8DBA740843B864C17D1D20C4F4EBA594EAD0663631A945637A72BBD039
2672OUTLOOK.EXEC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\{5EBDA6CD-092F-45E3-BB9F-7D58604A1062}\{1C306CB1-771E-4B4B-A902-86E897877F5B}.pngimage
MD5:4C61C12EDBC453D7AE184976E95258E1
SHA256:296526F9A716C1AA91BA5D6F69F0EB92FDF79C2CB2CFCF0CEB22B7CCBC27035F
2672OUTLOOK.EXEC:\Users\admin\AppData\Local\Microsoft\Outlook\RoamCache\Stream_Calendar_2_0815707F504E4F4DA983093458D43BF0.datxml
MD5:B21ED3BD946332FF6EBC41A87776C6BB
SHA256:B1AAC4E817CD10670B785EF8E5523C4A883F44138E50486987DC73054A46F6F4
2672OUTLOOK.EXEC:\Users\admin\AppData\Local\Microsoft\Outlook\RoamCache\Stream_WorkHours_1_D1BF03277A156247A0465442E3EE7E35.datxml
MD5:807EF0FC900FEB3DA82927990083D6E7
SHA256:4411E7DC978011222764943081500FFF0E43CBF7CCD44264BD1AB6306CA68913
2672OUTLOOK.EXEC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.Outlook\M8HM2XUS\message_v2 (2).rpmsgrpmsg
MD5:D9EE6D339AC6607C4D9CD3E0A1477CCF
SHA256:08F13D8DBA740843B864C17D1D20C4F4EBA594EAD0663631A945637A72BBD039
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
8
TCP/UDP connections
43
DNS requests
19
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
2672
OUTLOOK.EXE
GET
—
64.4.26.155:80
http://config.messenger.msn.com/config/msgrconfig.asmx?op=GetOlcConfig
US
—
—
whitelisted
3464
iexplore.exe
GET
301
2.21.20.150:80
http://shell.windows.com/fileassoc/fileassoc.asp?Ext=rpmsg
DE
—
—
whitelisted
3464
iexplore.exe
GET
200
192.229.221.95:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEALnkXH7gCHpP%2BLZg4NMUMA%3D
US
der
471 b
whitelisted
3464
iexplore.exe
GET
200
192.229.221.95:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTBL0V27RVZ7LBduom%2FnYB45SPUEwQU5Z1ZMIJHWMys%2BghUNoZ7OrUETfACEA8Ull8gIGmZT9XHrHiJQeI%3D
US
der
1.47 Kb
whitelisted
3464
iexplore.exe
GET
200
192.229.221.95:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTBL0V27RVZ7LBduom%2FnYB45SPUEwQU5Z1ZMIJHWMys%2BghUNoZ7OrUETfACEA%2BnRyLFPYjID1ie%2Bx%2BdSjo%3D
US
der
1.47 Kb
whitelisted
3724
iexplore.exe
GET
200
192.229.221.95:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEA8XGkjG8iOAkhjNLtbdwOg%3D
US
der
471 b
whitelisted
3464
iexplore.exe
GET
200
192.229.221.95:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D
US
der
471 b
whitelisted
3464
iexplore.exe
GET
200
8.253.207.121:80
http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/disallowedcertstl.cab?147a4c2b1dfdf9ad
US
compressed
4.70 Kb
whitelisted
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
3168
iexplore.exe
204.79.197.200:443
www.bing.com
MICROSOFT-CORP-MSN-AS-BLOCK
US
whitelisted
3464
iexplore.exe
192.229.221.95:80
ocsp.digicert.com
EDGECAST
US
whitelisted
3464
iexplore.exe
2.21.20.150:80
shell.windows.com
Akamai International B.V.
DE
suspicious
2672
OUTLOOK.EXE
64.4.26.155:80
config.messenger.msn.com
MICROSOFT-CORP-MSN-AS-BLOCK
US
whitelisted
3464
iexplore.exe
204.79.197.200:443
www.bing.com
MICROSOFT-CORP-MSN-AS-BLOCK
US
whitelisted
3464
iexplore.exe
23.36.163.98:443
r.bing.com
Akamai International B.V.
DE
suspicious
3464
iexplore.exe
8.253.207.121:80
ctldl.windowsupdate.com
LEVEL3
US
suspicious
3464
iexplore.exe
23.56.204.161:443
go.microsoft.com
AKAMAI-AS
GB
unknown
3464
iexplore.exe
20.190.159.75:443
login.live.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
3724
iexplore.exe
192.229.221.95:80
ocsp.digicert.com
EDGECAST
US
whitelisted

DNS requests

Domain
IP
Reputation
config.messenger.msn.com
  • 64.4.26.155
whitelisted
go.microsoft.com
  • 23.56.204.161
whitelisted
ctldl.windowsupdate.com
  • 8.253.207.121
  • 8.238.36.254
  • 8.238.191.126
  • 8.248.145.254
  • 8.248.117.254
whitelisted
ocsp.digicert.com
  • 192.229.221.95
whitelisted
shell.windows.com
  • 2.21.20.150
  • 2.21.20.141
whitelisted
www.bing.com
  • 204.79.197.200
  • 13.107.21.200
whitelisted
api.bing.com
  • 13.107.5.80
whitelisted
r.bing.com
  • 23.36.163.98
  • 23.36.163.116
whitelisted
th.bing.com
  • 23.36.163.98
  • 23.36.163.116
whitelisted
login.microsoftonline.com
  • 40.126.32.140
  • 20.190.160.14
  • 20.190.160.20
  • 20.190.160.22
  • 40.126.32.136
  • 20.190.160.17
  • 40.126.32.74
  • 40.126.32.72
whitelisted

Threats

No threats detected
No debug info
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Reports
rfc (32).eml