File name:

Operacion Iregular (439 KB).msg

Full analysis: https://app.any.run/tasks/2e5fcc11-b787-4cb2-a63e-1a50c0f83f08
Verdict: Malicious activity
Analysis date: September 29, 2020, 23:21:28
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MIME: application/vnd.ms-outlook
File info: CDFV2 Microsoft Outlook Message
MD5:

2E3B54E3FD73D1BD81AE302F730B6844

SHA1:

623C51D58355195D8EF53C6F9563E4B93BB7D638

SHA256:

34CE27EDF9D9CA3A14BE666E3F49A41AD243BEE394EE97E41AE815007622029B

SSDEEP:

192:J/OiIsXfTEfYeZmagDKzwWvelBTiKweVbfnBU4s4qtKDRG04Wn4CZpfVYI:dXxeE8roiKTfB6W95V

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 Microsoft Office

      • OUTLOOK.EXE (PID: 3088)

  • SUSPICIOUS

    • Creates files in the user directory

      • OUTLOOK.EXE (PID: 3088)

    • Starts Internet Explorer

      • OUTLOOK.EXE (PID: 3088)

  • INFO

    • Reads Microsoft Office registry keys

      • OUTLOOK.EXE (PID: 3088)

    • Reads Internet Cache Settings

      • OUTLOOK.EXE (PID: 3088)
      • iexplore.exe (PID: 3160)
      • iexplore.exe (PID: 2828)

    • Changes internet zones settings

      • iexplore.exe (PID: 2828)

    • Application launched itself

      • iexplore.exe (PID: 2828)

    • Changes settings of System certificates

      • iexplore.exe (PID: 2828)

    • Reads internet explorer settings

      • iexplore.exe (PID: 3160)

    • Reads settings of System Certificates

      • iexplore.exe (PID: 2828)

    • Adds / modifies Windows certificates

      • iexplore.exe (PID: 2828)
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.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
38
Monitored processes
3
Malicious processes
1
Suspicious processes
0

Behavior graph

Click at the process to see the details
start outlook.exe iexplore.exe iexplore.exe

Process information

PID
CMD
Path
Indicators
Parent process
2828"C:\Program Files\Internet Explorer\iexplore.exe" https://gefpel.com.br/8d5c71fbd99e1b0f7399b3c74310b216C:\Program Files\Internet Explorer\iexplore.exe
OUTLOOK.EXE
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
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:\systemroot\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\iertutil.dll
3088"C:\Program Files\Microsoft Office\Office14\OUTLOOK.EXE" /f "C:\Users\admin\AppData\Local\Temp\Operacion Iregular (439 KB).msg"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:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\version.dll
c:\windows\system32\msvcrt.dll
c:\windows\winsxs\x86_microsoft.vc90.crt_1fc8b3b9a1e18e3b_9.0.30729.6161_none_50934f2ebcb7eb57\msvcr90.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
3160"C:\Program Files\Internet Explorer\iexplore.exe" SCODEF:2828 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:\systemroot\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\iertutil.dll
Total events
2 447
Read events
1 774
Write events
652
Delete events
21

Modification events

(PID) Process:(3088) OUTLOOK.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:writeName:1033
Value:
Off
(PID) Process:(3088) OUTLOOK.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:writeName:1041
Value:
Off
(PID) Process:(3088) OUTLOOK.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:writeName:1046
Value:
Off
(PID) Process:(3088) OUTLOOK.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:writeName:1036
Value:
Off
(PID) Process:(3088) OUTLOOK.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:writeName:1031
Value:
Off
(PID) Process:(3088) OUTLOOK.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:writeName:1040
Value:
Off
(PID) Process:(3088) OUTLOOK.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:writeName:1049
Value:
Off
(PID) Process:(3088) OUTLOOK.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:writeName:3082
Value:
Off
(PID) Process:(3088) OUTLOOK.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:writeName:1042
Value:
Off
(PID) Process:(3088) OUTLOOK.EXEKey:HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages
Operation:writeName:1055
Value:
Off
Executable files
0
Suspicious files
12
Text files
47
Unknown types
6

Dropped files

PID
Process
Filename
Type
3088OUTLOOK.EXEC:\Users\admin\AppData\Local\Temp\CVR7744.tmp.cvr —
MD5:—
SHA256:—
3160iexplore.exeC:\Users\admin\AppData\Local\Temp\Low\CabD784.tmp —
MD5:—
SHA256:—
3160iexplore.exeC:\Users\admin\AppData\Local\Temp\Low\TarD785.tmp —
MD5:—
SHA256:—
3160iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B2FAF7692FD9FFBD64EDE317E42334BA_2DBE917624E9880FE0C7C5570D56E691der
MD5:—
SHA256:—
3160iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Low\Content.IE5\YTOWV792\errorPageStrings[2]text
MD5:—
SHA256:—
3088OUTLOOK.EXEC:\Users\admin\AppData\Roaming\Microsoft\Templates\~$rmalEmail.dotmpgc
MD5:—
SHA256:—
3160iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\5080DC7A65DB6A5960ECD874088F3328_862BA1770B2FEE013603D2FF9ABEAFDAder
MD5:—
SHA256:—
3160iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B2FAF7692FD9FFBD64EDE317E42334BA_2DBE917624E9880FE0C7C5570D56E691binary
MD5:—
SHA256:—
3088OUTLOOK.EXEC:\Users\admin\AppData\Local\Microsoft\Outlook\RoamCache\Stream_ConversationPrefs_2_E2845CAF51D0DD46863F9AB2D30CF66C.datxml
MD5:57F30B1BCA811C2FCB81F4C13F6A927B
SHA256:612BAD93621991CB09C347FF01EC600B46617247D5C041311FF459E247D8C2D3
2828iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\Internet Explorer\Services\search_{0633EE93-D776-472f-A0FF-E1416B8B2E3A}.ico —
MD5:—
SHA256:—
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
23
TCP/UDP connections
16
DNS requests
17
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
3088
OUTLOOK.EXE
GET
—
64.4.26.155:80
http://config.messenger.msn.com/config/msgrconfig.asmx?op=GetOlcConfig
US
—
—
whitelisted
1056
svchost.exe
GET
200
104.18.24.243:80
http://ocsp.msocsp.com/MFQwUjBQME4wTDAJBgUrDgMCGgUABBSIGkp0%2Fv9GUvNUu1EP06Tu7%2BChyAQUkZ47RGw9V5xCdyo010%2FRzEqXLNoCEyAAASWxwt68EQiA3cUAAAABJbE%3D
US
der
1.75 Kb
whitelisted
3160
iexplore.exe
GET
200
151.139.128.14:80
http://ocsp.comodoca.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBRTtU9uFqgVGHhJwXZyWCNXmVR5ngQUoBEKIz6W8Qfs4q8p74Klf9AwpLQCEGfe9D7xe9riT%2FWUBgbSwIQ%3D
US
der
471 b
whitelisted
1056
svchost.exe
GET
200
93.184.220.29:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTfqhLjKLEJQZPin0KCzkdAQpVYowQUsT7DaQP4v0cB1JgmGggC72NkK8MCEAx5qUSwjBGVIJJhX%2BJrHYM%3D
US
der
471 b
whitelisted
3160
iexplore.exe
GET
200
151.139.128.14:80
http://ocsp.comodoca.com/MFIwUDBOMEwwSjAJBgUrDgMCGgUABBReAhtobFzTvhaRmVeJ38QUchY9AwQUu69%2BAj36pvE8hI6t7jiY7NkyMtQCEQDwHUvue3yjezwFZqwFlyRY
US
der
728 b
whitelisted
1056
svchost.exe
GET
200
93.184.220.29:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTBL0V27RVZ7LBduom%2FnYB45SPUEwQU5Z1ZMIJHWMys%2BghUNoZ7OrUETfACEA8sEMlbBsCTf7jUSfg%2BhWk%3D
US
der
1.47 Kb
whitelisted
1056
svchost.exe
GET
200
2.16.186.120:80
http://crl.microsoft.com/pki/crl/products/MicrosoftTimeStampPCA.crl
unknown
der
550 b
whitelisted
1056
svchost.exe
GET
200
2.18.233.62:80
http://www.microsoft.com/pkiops/crl/MicCodSigPCA2011_2011-07-08.crl
unknown
der
813 b
whitelisted
1056
svchost.exe
GET
200
93.184.221.240:80
http://www.download.windowsupdate.com/msdownload/update/v3/static/trustedr/en/authrootstl.cab
US
compressed
57.5 Kb
whitelisted
1056
svchost.exe
GET
200
2.16.186.120:80
http://crl.microsoft.com/pki/crl/products/MicCodSigPCA_08-31-2010.crl
unknown
der
564 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
3088
OUTLOOK.EXE
64.4.26.155:80
config.messenger.msn.com
Microsoft Corporation
US
whitelisted
2828
iexplore.exe
204.79.197.200:80
www.bing.com
Microsoft Corporation
US
whitelisted
—
—
151.139.128.14:80
ocsp.comodoca.com
Highwinds Network Group, Inc.
US
suspicious
1056
svchost.exe
93.184.220.29:80
ocsp.digicert.com
MCI Communications Services, Inc. d/b/a Verizon Business
US
whitelisted
1056
svchost.exe
2.16.186.120:80
crl.microsoft.com
Akamai International B.V.
—
whitelisted
1056
svchost.exe
2.18.233.62:80
www.microsoft.com
Akamai International B.V.
—
whitelisted
1056
svchost.exe
172.217.22.35:80
ocsp.pki.goog
Google Inc.
US
whitelisted
—
—
104.18.24.243:80
ocsp.msocsp.com
Cloudflare Inc
US
shared
1056
svchost.exe
93.184.221.240:80
www.download.windowsupdate.com
MCI Communications Services, Inc. d/b/a Verizon Business
US
whitelisted
3160
iexplore.exe
191.252.142.17:443
gefpel.com.br
Locaweb Serviços de Internet S/A
BR
unknown

DNS requests

Domain
IP
Reputation
config.messenger.msn.com
  • 64.4.26.155
whitelisted
gefpel.com.br
  • 191.252.142.17
unknown
ocsp.comodoca.com
  • 151.139.128.14
whitelisted
api.bing.com
  • 13.107.5.80
whitelisted
www.bing.com
  • 204.79.197.200
  • 13.107.21.200
whitelisted
ocsp.digicert.com
  • 93.184.220.29
whitelisted
crl.microsoft.com
  • 2.16.186.120
  • 2.16.186.74
whitelisted
ocsp.msocsp.com
  • 104.18.24.243
  • 104.18.25.243
whitelisted
ocsp.pki.goog
  • 172.217.22.35
whitelisted
www.microsoft.com
  • 2.18.233.62
whitelisted

Threats

No threats detected
No debug info
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Reports
Operacion Iregular (439 KB).msg