URL:

https://nirsoft.net/utils/fastresolver.html

Full analysis: https://app.any.run/tasks/61eccc28-007e-4e03-8b17-e0471b14d946
Verdict: Malicious activity
Analysis date: November 17, 2020, 12:03:44
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MD5:

4386E6D65A9247DD1ADE2816D3EBB9BF

SHA1:

CBF6860C9846A5299B7BB2FEA114A2CC94CFF112

SHA256:

346C3AC8FFCE559189493390181599059924E52273E55737D1A93DA5D2605AED

SSDEEP:

3:N84/N7RWdU0:2e8dv

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

    • Application was dropped or rewritten from another process

      • fastresolver_setup.exe (PID: 2348)
      • fastresolver_setup.exe (PID: 3852)
      • FastResolver.exe (PID: 2832)

    • Loads dropped or rewritten executable

      • fastresolver_setup.exe (PID: 3852)

  • SUSPICIOUS

    • Executable content was dropped or overwritten

      • iexplore.exe (PID: 1332)
      • iexplore.exe (PID: 2228)
      • fastresolver_setup.exe (PID: 3852)

    • Creates a software uninstall entry

      • fastresolver_setup.exe (PID: 3852)

    • Creates files in the user directory

      • fastresolver_setup.exe (PID: 3852)

    • Creates files in the program directory

      • fastresolver_setup.exe (PID: 3852)

  • INFO

    • Reads Internet Cache Settings

      • iexplore.exe (PID: 2228)
      • iexplore.exe (PID: 1332)

    • Changes internet zones settings

      • iexplore.exe (PID: 2228)

    • Reads settings of System Certificates

      • iexplore.exe (PID: 1332)
      • iexplore.exe (PID: 2228)

    • Creates files in the user directory

      • iexplore.exe (PID: 1332)
      • iexplore.exe (PID: 2228)

    • Application launched itself

      • iexplore.exe (PID: 2228)

    • Reads internet explorer settings

      • iexplore.exe (PID: 1332)

    • Changes settings of System certificates

      • iexplore.exe (PID: 2228)

    • Modifies the phishing filter of IE

      • iexplore.exe (PID: 2228)

    • Adds / modifies Windows certificates

      • iexplore.exe (PID: 2228)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
40
Monitored processes
5
Malicious processes
2
Suspicious processes
1

Behavior graph

Click at the process to see the details
drop and start drop and start start drop and start iexplore.exe iexplore.exe fastresolver_setup.exe no specs fastresolver_setup.exe fastresolver.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
1332"C:\Program Files\Internet Explorer\iexplore.exe" SCODEF:2228 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
2228"C:\Program Files\Internet Explorer\iexplore.exe" https://nirsoft.net/utils/fastresolver.htmlC:\Program Files\Internet Explorer\iexplore.exe
explorer.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
2348"C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\PO2HN1X2\fastresolver_setup.exe" C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\PO2HN1X2\fastresolver_setup.exe—iexplore.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
3221226540
Modules
Images
c:\users\admin\appdata\local\microsoft\windows\temporary internet files\content.ie5\po2hn1x2\fastresolver_setup.exe
c:\systemroot\system32\ntdll.dll
2832"C:\Program Files\NirSoft\FastResolver\FastResolver.exe"C:\Program Files\NirSoft\FastResolver\FastResolver.exe—fastresolver_setup.exe
User:
admin
Company:
NirSoft
Integrity Level:
HIGH
Description:
FastResolver
Exit code:
0
Version:
1.26
Modules
Images
c:\program files\nirsoft\fastresolver\fastresolver.exe
c:\systemroot\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\winsxs\x86_microsoft.windows.common-controls_6595b64144ccf1df_6.0.7601.17514_none_41e6975e2bd6f2b2\comctl32.dll
c:\windows\system32\gdi32.dll
3852"C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\PO2HN1X2\fastresolver_setup.exe" C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\PO2HN1X2\fastresolver_setup.exe
iexplore.exe
User:
admin
Integrity Level:
HIGH
Exit code:
0
Modules
Images
c:\users\admin\appdata\local\microsoft\windows\temporary internet files\content.ie5\po2hn1x2\fastresolver_setup.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\shell32.dll
Total events
1 103
Read events
957
Write events
143
Delete events
3

Modification events

(PID) Process:(2228) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\UrlBlockManager
Operation:writeName:NextCheckForUpdateLowDateTime
Value:
3504094060
(PID) Process:(2228) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\UrlBlockManager
Operation:writeName:NextCheckForUpdateHighDateTime
Value:
30850265
(PID) Process:(2228) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content
Operation:writeName:CachePrefix
Value:
(PID) Process:(2228) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies
Operation:writeName:CachePrefix
Value:
Cookie:
(PID) Process:(2228) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History
Operation:writeName:CachePrefix
Value:
Visited:
(PID) Process:(2228) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main
Operation:writeName:CompatibilityFlags
Value:
0
(PID) Process:(2228) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings
Operation:writeName:ProxyEnable
Value:
0
(PID) Process:(2228) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections
Operation:writeName:SavedLegacySettings
Value:
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
(PID) Process:(2228) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
0
(PID) Process:(2228) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
1
Executable files
6
Suspicious files
68
Text files
109
Unknown types
41

Dropped files

PID
Process
Filename
Type
1332iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B2FAF7692FD9FFBD64EDE317E42334BA_2DBE917624E9880FE0C7C5570D56E691 —
MD5:—
SHA256:—
1332iexplore.exeC:\Users\admin\AppData\Local\Temp\Low\CabAAAF.tmp —
MD5:—
SHA256:—
1332iexplore.exeC:\Users\admin\AppData\Local\Temp\Low\TarAAB0.tmp —
MD5:—
SHA256:—
2228iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\Internet Explorer\Services\search_{0633EE93-D776-472f-A0FF-E1416B8B2E3A}.ico —
MD5:—
SHA256:—
1332iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\EB2C4AB8B68FFA4B7733A9139239A396_D76DB901EE986B889F30D8CC06229E2Dbinary
MD5:—
SHA256:—
1332iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\5080DC7A65DB6A5960ECD874088F3328_862BA1770B2FEE013603D2FF9ABEAFDAder
MD5:—
SHA256:—
1332iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Low\Content.IE5\MFAQUS6V\fastresolver[1].htmhtml
MD5:—
SHA256:—
1332iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\998553760AEECE136A056C36D4B22CF8_95C08ACCC3D1CB30679F043C8894FD1Fder
MD5:—
SHA256:—
1332iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Low\Content.IE5\DY534W2X\fastresolver[1].gifimage
MD5:—
SHA256:—
1332iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B2FAF7692FD9FFBD64EDE317E42334BA_2DBE917624E9880FE0C7C5570D56E691der
MD5:—
SHA256:—
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
27
TCP/UDP connections
66
DNS requests
31
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
1332
iexplore.exe
GET
200
151.139.128.14:80
http://ocsp.comodoca.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBRTtU9uFqgVGHhJwXZyWCNXmVR5ngQUoBEKIz6W8Qfs4q8p74Klf9AwpLQCEGfe9D7xe9riT%2FWUBgbSwIQ%3D
US
der
471 b
whitelisted
1332
iexplore.exe
GET
200
151.139.128.14:80
http://ocsp.comodoca.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBRTtU9uFqgVGHhJwXZyWCNXmVR5ngQUoBEKIz6W8Qfs4q8p74Klf9AwpLQCEGfe9D7xe9riT%2FWUBgbSwIQ%3D
US
der
471 b
whitelisted
1332
iexplore.exe
GET
200
151.139.128.14:80
http://ocsp.comodoca.com/MFIwUDBOMEwwSjAJBgUrDgMCGgUABBReAhtobFzTvhaRmVeJ38QUchY9AwQUu69%2BAj36pvE8hI6t7jiY7NkyMtQCEQDwHUvue3yjezwFZqwFlyRY
US
der
728 b
whitelisted
1332
iexplore.exe
GET
200
192.124.249.22:80
http://ocsp.godaddy.com//MEkwRzBFMEMwQTAJBgUrDgMCGgUABBS2CA1fbGt26xPkOKX4ZguoUjM0TgQUQMK9J47MNIMwojPX%2B2yz8LQsgM4CCB3QPwZkATl9
US
der
1.74 Kb
whitelisted
1332
iexplore.exe
GET
200
151.139.128.14:80
http://ocsp.comodoca.com/MFIwUDBOMEwwSjAJBgUrDgMCGgUABBReAhtobFzTvhaRmVeJ38QUchY9AwQUu69%2BAj36pvE8hI6t7jiY7NkyMtQCEQDwHUvue3yjezwFZqwFlyRY
US
der
728 b
whitelisted
1332
iexplore.exe
GET
200
172.217.16.195:80
http://ocsp.pki.goog/gts1o1core/MFIwUDBOMEwwSjAJBgUrDgMCGgUABBRCRjDCJxnb3nDwj%2Fxz5aZfZjgXvAQUmNH4bhDrz5vsYJ8YkBug630J%2FSsCEQCD3mcTY8zxYwgAAAAAYdbF
US
der
472 b
whitelisted
1332
iexplore.exe
GET
200
172.217.16.195:80
http://ocsp.pki.goog/gts1o1core/MFEwTzBNMEswSTAJBgUrDgMCGgUABBRCRjDCJxnb3nDwj%2Fxz5aZfZjgXvAQUmNH4bhDrz5vsYJ8YkBug630J%2FSsCEDyEFcjh4453AgAAAAB%2F1JI%3D
US
der
471 b
whitelisted
1332
iexplore.exe
GET
200
172.217.16.195:80
http://ocsp.pki.goog/gts1o1core/MFEwTzBNMEswSTAJBgUrDgMCGgUABBRCRjDCJxnb3nDwj%2Fxz5aZfZjgXvAQUmNH4bhDrz5vsYJ8YkBug630J%2FSsCEA7oJAdE0TkfAgAAAAB%2F1OA%3D
US
der
471 b
whitelisted
1332
iexplore.exe
GET
200
172.217.16.195:80
http://ocsp.pki.goog/gts1o1core/MFEwTzBNMEswSTAJBgUrDgMCGgUABBRCRjDCJxnb3nDwj%2Fxz5aZfZjgXvAQUmNH4bhDrz5vsYJ8YkBug630J%2FSsCEHxXmQnYqPI%2BCAAAAABh1oY%3D
US
der
471 b
whitelisted
1332
iexplore.exe
GET
200
172.217.16.195:80
http://ocsp.pki.goog/gts1o1core/MFEwTzBNMEswSTAJBgUrDgMCGgUABBRCRjDCJxnb3nDwj%2Fxz5aZfZjgXvAQUmNH4bhDrz5vsYJ8YkBug630J%2FSsCEA7oJAdE0TkfAgAAAAB%2F1OA%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
1332
iexplore.exe
138.128.181.29:443
nirsoft.net
HostDime.com, Inc.
US
suspicious
1332
iexplore.exe
151.139.128.14:80
ocsp.comodoca.com
Highwinds Network Group, Inc.
US
suspicious
—
—
138.128.181.29:443
nirsoft.net
HostDime.com, Inc.
US
suspicious
1332
iexplore.exe
216.58.212.162:443
pagead2.googlesyndication.com
Google Inc.
US
whitelisted
1332
iexplore.exe
72.251.249.14:443
ap.lijit.com
Voxel Dot Net, Inc.
NL
unknown
—
—
72.251.249.14:443
ap.lijit.com
Voxel Dot Net, Inc.
NL
unknown
1332
iexplore.exe
192.124.249.22:80
ocsp.godaddy.com
Sucuri
US
suspicious
2228
iexplore.exe
13.107.21.200:80
www.bing.com
Microsoft Corporation
US
whitelisted
1332
iexplore.exe
172.217.18.104:443
ssl.google-analytics.com
Google Inc.
US
suspicious
1332
iexplore.exe
172.217.22.66:443
googleads.g.doubleclick.net
Google Inc.
US
whitelisted

DNS requests

Domain
IP
Reputation
nirsoft.net
  • 138.128.181.29
suspicious
ocsp.comodoca.com
  • 151.139.128.14
whitelisted
www.nirsoft.net
  • 138.128.181.29
whitelisted
pagead2.googlesyndication.com
  • 216.58.212.162
whitelisted
ap.lijit.com
  • 72.251.249.14
  • 72.251.249.9
  • 216.52.2.48
whitelisted
ocsp.godaddy.com
  • 192.124.249.22
  • 192.124.249.41
  • 192.124.249.24
  • 192.124.249.23
  • 192.124.249.36
whitelisted
api.bing.com
  • 13.107.13.80
whitelisted
www.bing.com
  • 13.107.21.200
  • 204.79.197.200
whitelisted
ssl.google-analytics.com
  • 172.217.18.104
whitelisted
ocsp.pki.goog
  • 172.217.16.195
whitelisted

Threats

No threats detected
No debug info
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Reports
https://nirsoft.net/utils/fastresolver.html