URL:

http://www.microsoft.com/pki/certs/MicRooCerAut_2010-06-23.crt

Full analysis: https://app.any.run/tasks/65c70f9f-bf5a-48b6-8483-44fcccc9f118
Verdict: Malicious activity
Analysis date: February 19, 2020, 22:11:01
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MD5:

FE82A8485189FC0AB63B74FC62009DF7

SHA1:

6B583464F363759D0717F73FC05AF2FA23AED532

SHA256:

B33CA60C36A2DBDB354936F83E3232AE886EEB237F61BFDD19420410F585C0C2

SSDEEP:

3:N1KJS4ZRtRkTXRNRgRZmlGB:Cc4TDkTX/RgZB

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

    • Changes settings of System certificates

      • rundll32.exe (PID: 944)

  • SUSPICIOUS

    • Uses RUNDLL32.EXE to load library

      • iexplore.exe (PID: 1232)

    • Adds / modifies Windows certificates

      • rundll32.exe (PID: 944)

  • INFO

    • Modifies the phishing filter of IE

      • iexplore.exe (PID: 1232)

    • Application launched itself

      • iexplore.exe (PID: 1232)

    • Changes internet zones settings

      • iexplore.exe (PID: 1232)

    • Reads Internet Cache Settings

      • iexplore.exe (PID: 3364)
      • iexplore.exe (PID: 1232)

    • Reads settings of System Certificates

      • iexplore.exe (PID: 1232)

    • Adds / modifies Windows certificates

      • iexplore.exe (PID: 1232)

    • Changes settings of System certificates

      • iexplore.exe (PID: 1232)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
36
Monitored processes
3
Malicious processes
2
Suspicious processes
0

Behavior graph

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

Process information

PID
CMD
Path
Indicators
Parent process
944"C:\Windows\system32\rundll32.exe" cryptext.dll,CryptExtOpenCER C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\B6QGX7LP\MicRooCerAut_2010-06-23.crtC:\Windows\system32\rundll32.exe—iexplore.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows host process (Rundll32)
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\rundll32.exe
c:\systemroot\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\imagehlp.dll
1232"C:\Program Files\Internet Explorer\iexplore.exe" "http://www.microsoft.com/pki/certs/MicRooCerAut_2010-06-23.crt"C:\Program Files\Internet Explorer\iexplore.exe
explorer.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:\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
3364"C:\Program Files\Internet Explorer\iexplore.exe" SCODEF:1232 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
9 698
Read events
1 373
Write events
5 550
Delete events
2 775

Modification events

(PID) Process:(3364) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\LowCache\Content
Operation:writeName:CachePrefix
Value:
(PID) Process:(3364) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\LowCache\Cookies
Operation:writeName:CachePrefix
Value:
Cookie:
(PID) Process:(3364) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\LowCache\History
Operation:writeName:CachePrefix
Value:
Visited:
(PID) Process:(1232) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\UrlBlockManager
Operation:writeName:NextCheckForUpdateLowDateTime
Value:
2466970382
(PID) Process:(1232) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\UrlBlockManager
Operation:writeName:NextCheckForUpdateHighDateTime
Value:
30795633
(PID) Process:(1232) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content
Operation:writeName:CachePrefix
Value:
(PID) Process:(1232) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies
Operation:writeName:CachePrefix
Value:
Cookie:
(PID) Process:(1232) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History
Operation:writeName:CachePrefix
Value:
Visited:
(PID) Process:(1232) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main
Operation:writeName:CompatibilityFlags
Value:
0
(PID) Process:(1232) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings
Operation:writeName:ProxyEnable
Value:
0
Executable files
0
Suspicious files
7
Text files
1
Unknown types
6

Dropped files

PID
Process
Filename
Type
1232iexplore.exeC:\Users\admin\AppData\Local\Temp\~DF9B2B2588D777185B.TMP —
MD5:—
SHA256:—
1232iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\B6QGX7LP\MicRooCerAut_2010-06-23.crt.7fkn8kj.partial:Zone.Identifier —
MD5:—
SHA256:—
1232iexplore.exeC:\Users\admin\AppData\Local\Temp\~DF7DC737B711BDAAA4.TMP —
MD5:—
SHA256:—
1232iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Internet Explorer\Recovery\Active\RecoveryStore.{BECC5A81-5364-11EA-972D-5254004A04AF}.dat —
MD5:—
SHA256:—
1232iexplore.exeC:\Users\admin\AppData\Local\Temp\CabEE8.tmp —
MD5:—
SHA256:—
1232iexplore.exeC:\Users\admin\AppData\Local\Temp\TarEE9.tmp —
MD5:—
SHA256:—
3364iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Low\Content.IE5\MFAQUS6V\MicRooCerAut_2010-06-23[1].crtder
MD5:A266BB7DCC38A562631361BBF61DD11B
SHA256:DF545BF919A2439C36983B54CDFC903DFA4F37D3996D8D84B4C31EEC6F3C163E
1232iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\B6QGX7LP\MicRooCerAut_2010-06-23.crtder
MD5:A266BB7DCC38A562631361BBF61DD11B
SHA256:DF545BF919A2439C36983B54CDFC903DFA4F37D3996D8D84B4C31EEC6F3C163E
1232iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\6BADA8974A10C4BD62CC921D13E43B18_D9817BD5013875AD517DA73475345203binary
MD5:—
SHA256:—
1232iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Internet Explorer\Recovery\Active\{BECC5A83-5364-11EA-972D-5254004A04AF}.datbinary
MD5:—
SHA256:—
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
4
TCP/UDP connections
8
DNS requests
5
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
1232
iexplore.exe
GET
200
93.184.220.29:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTBL0V27RVZ7LBduom%2FnYB45SPUEwQU5Z1ZMIJHWMys%2BghUNoZ7OrUETfACEA8sEMlbBsCTf7jUSfg%2BhWk%3D
US
der
1.47 Kb
whitelisted
1232
iexplore.exe
GET
200
93.184.220.29:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTBL0V27RVZ7LBduom%2FnYB45SPUEwQU5Z1ZMIJHWMys%2BghUNoZ7OrUETfACEA8sEMlbBsCTf7jUSfg%2BhWk%3D
US
der
1.47 Kb
whitelisted
1232
iexplore.exe
GET
200
93.184.220.29:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTBL0V27RVZ7LBduom%2FnYB45SPUEwQU5Z1ZMIJHWMys%2BghUNoZ7OrUETfACEA8sEMlbBsCTf7jUSfg%2BhWk%3D
US
der
1.47 Kb
whitelisted
3364
iexplore.exe
GET
200
2.18.233.62:80
http://www.microsoft.com/pki/certs/MicRooCerAut_2010-06-23.crt
unknown
der
1.49 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
3364
iexplore.exe
2.18.233.62:80
www.microsoft.com
Akamai International B.V.
—
whitelisted
1232
iexplore.exe
152.199.19.161:443
iecvlist.microsoft.com
MCI Communications Services, Inc. d/b/a Verizon Business
US
whitelisted
1232
iexplore.exe
93.184.220.29:80
ocsp.digicert.com
MCI Communications Services, Inc. d/b/a Verizon Business
US
whitelisted

DNS requests

Domain
IP
Reputation
www.microsoft.com
  • 2.18.233.62
whitelisted
iecvlist.microsoft.com
  • 152.199.19.161
whitelisted
r20swj13mr.microsoft.com
  • 152.199.19.161
whitelisted
ocsp.digicert.com
  • 93.184.220.29
whitelisted

Threats

No threats detected
No debug info
Interactive malware hunting service ANY.RUN
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Reports
http://www.microsoft.com/pki/certs/MicRooCerAut_2010-06-23.crt