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

    • Reads the machine GUID from the registry

      • OUTLOOK.EXE (PID: 2672)

    • Checks supported languages

      • OUTLOOK.EXE (PID: 2672)

    • Process checks computer location settings

      • OUTLOOK.EXE (PID: 2672)

    • Reads the computer name

      • OUTLOOK.EXE (PID: 2672)

    • Reads Microsoft Office registry keys

      • OUTLOOK.EXE (PID: 2672)

    • Application launched itself

      • iexplore.exe (PID: 3168)
      • iexplore.exe (PID: 3316)

    • Create files in a temporary directory

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

    • The process checks LSA protection

      • OUTLOOK.EXE (PID: 2672)

    • The process uses the downloaded file

      • OUTLOOK.EXE (PID: 2672)

    • Checks proxy server information

      • OUTLOOK.EXE (PID: 2672)

    • Creates files or folders in the user directory

      • OUTLOOK.EXE (PID: 2672)
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
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
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
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
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
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
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:—
SHA256:—
2672OUTLOOK.EXEC:\Users\admin\AppData\Roaming\Microsoft\Templates\~$rmalEmail.dotmpgc
MD5:—
SHA256:—
2672OUTLOOK.EXEC:\Users\admin\AppData\Local\Temp\outlook logging\firstrun.logtext
MD5:—
SHA256:—
2672OUTLOOK.EXEC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.Outlook\M8HM2XUS\message_v2.rpmsgrpmsg
MD5:—
SHA256:—
3464iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\80237EE4964FC9C409AAF55BF996A292_E503B048B745DFA14B81FCFC68D6DECEbinary
MD5:—
SHA256:—
3464iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\80237EE4964FC9C409AAF55BF996A292_E503B048B745DFA14B81FCFC68D6DECEder
MD5:—
SHA256:—
3464iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157binary
MD5:—
SHA256:—
2672OUTLOOK.EXEC:\Users\admin\AppData\Local\Microsoft\Outlook\mapisvc.inftext
MD5:F3B25701FE362EC84616A93A45CE9998
SHA256:B3D510EF04275CA8E698E5B3CBB0ECE3949EF9252F0CDC839E9EE347409A2209
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
8.253.207.121:80
http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/disallowedcertstl.cab?147a4c2b1dfdf9ad
US
compressed
4.70 Kb
whitelisted
3464
iexplore.exe
GET
200
192.229.221.95:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D
US
der
471 b
whitelisted
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
3464
iexplore.exe
23.36.163.98:443
r.bing.com
Akamai International B.V.
DE
suspicious
3168
iexplore.exe
204.79.197.200:443
www.bing.com
MICROSOFT-CORP-MSN-AS-BLOCK
US
whitelisted
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
3724
iexplore.exe
52.98.243.34:443
outlook.office365.com
MICROSOFT-CORP-MSN-AS-BLOCK
US
whitelisted
3724
iexplore.exe
40.126.32.140:443
login.microsoftonline.com
MICROSOFT-CORP-MSN-AS-BLOCK
NL
suspicious
3724
iexplore.exe
13.107.237.45:443
aadcdn.msauth.net
MICROSOFT-CORP-MSN-AS-BLOCK
US
whitelisted
3316
iexplore.exe
13.107.237.45:443
aadcdn.msauth.net
MICROSOFT-CORP-MSN-AS-BLOCK
US
whitelisted
3724
iexplore.exe
95.101.111.174:443
r4.res.office365.com
TELXIUS TELXIUS Cable
NL
suspicious
3464
iexplore.exe
2.21.20.150:80
shell.windows.com
Akamai International B.V.
DE
suspicious

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