URL:

http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/disallowedcertstl.cab?949033f5924bdf0f

Full analysis: https://app.any.run/tasks/617bde7e-3405-4765-b07e-c7724eb56d0f
Verdict: Malicious activity
Analysis date: April 12, 2019, 15:05:27
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MD5:

FF4FBF0A18F7C1E03076E1DB3FA96CC5

SHA1:

5C8F578A31E1C0EA20AC27442B0517B16D8B7EE0

SHA256:

EF7CA34E5EBB5D127DD7231888E93926DC398473AFDAB7368EAF5795119E08F1

SSDEEP:

3:N1KdRJ/PLr4E4eJkACA5GKRRk9oGVvLdcVWCjp:CF/PL8+0xLe9jp

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: 3268)
      • rundll32.exe (PID: 3836)

  • SUSPICIOUS

    • Adds / modifies Windows certificates

      • rundll32.exe (PID: 3268)
      • rundll32.exe (PID: 3836)

    • Uses RUNDLL32.EXE to load library

      • WinRAR.exe (PID: 2536)

  • INFO

    • Changes internet zones settings

      • iexplore.exe (PID: 2660)

    • Adds / modifies Windows certificates

      • iexplore.exe (PID: 2660)

    • Creates files in the user directory

      • iexplore.exe (PID: 2864)

    • Reads Internet Cache Settings

      • iexplore.exe (PID: 2864)
      • iexplore.exe (PID: 2660)

    • Changes settings of System certificates

      • iexplore.exe (PID: 2660)

    • Reads settings of System Certificates

      • iexplore.exe (PID: 2660)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
38
Monitored processes
5
Malicious processes
3
Suspicious processes
1

Behavior graph

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

Process information

PID
CMD
Path
Indicators
Parent process
2536"C:\Program Files\WinRAR\WinRAR.exe" "C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Low\Content.IE5\80NWOER2\disallowedcertstl[1].cab"C:\Program Files\WinRAR\WinRAR.exe—iexplore.exe
User:
admin
Company:
Alexander Roshal
Integrity Level:
MEDIUM
Description:
WinRAR archiver
Exit code:
0
Version:
5.60.0
Modules
Images
c:\program files\winrar\winrar.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\comdlg32.dll
2660"C:\Program Files\Internet Explorer\iexplore.exe" http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/disallowedcertstl.cab?949033f5924bdf0fC:\Program Files\Internet Explorer\iexplore.exe
explorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Internet Explorer
Exit code:
1
Version:
8.00.7600.16385 (win7_rtm.090713-1255)
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\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
2864"C:\Program Files\Internet Explorer\iexplore.exe" SCODEF:2660 CREDAT:71937C:\Program Files\Internet Explorer\iexplore.exe
iexplore.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
LOW
Description:
Internet Explorer
Exit code:
0
Version:
8.00.7600.16385 (win7_rtm.090713-1255)
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\advapi32.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
3268"C:\Windows\system32\rundll32.exe" cryptext.dll,CryptExtOpenCTL C:\Users\admin\AppData\Local\Temp\Rar$DIa2536.13554\disallowedcert.stlC:\Windows\system32\rundll32.exe—WinRAR.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
3836"C:\Windows\system32\rundll32.exe" cryptext.dll,CryptExtOpenCTL C:\Users\admin\Desktop\disallowedcertstl[1]\disallowedcert.stlC:\Windows\system32\rundll32.exe
explorer.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\msvcrt.dll
c:\windows\system32\usp10.dll
c:\windows\system32\imagehlp.dll
Total events
1 271
Read events
1 152
Write events
111
Delete events
8

Modification events

(PID) Process:(2660) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main
Operation:writeName:CompatibilityFlags
Value:
0
(PID) Process:(2660) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
0
(PID) Process:(2660) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
1
(PID) Process:(2660) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones
Operation:writeName:SecuritySafe
Value:
1
(PID) Process:(2660) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings
Operation:writeName:ProxyEnable
Value:
0
(PID) Process:(2660) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections
Operation:writeName:SavedLegacySettings
Value:
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
(PID) Process:(2660) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Recovery\Active
Operation:writeName:{7011F681-5D34-11E9-B63D-5254004A04AF}
Value:
0
(PID) Process:(2660) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Ext\Stats\{2670000A-7350-4F3C-8081-5663EE0C6C49}\iexplore
Operation:writeName:Type
Value:
4
(PID) Process:(2660) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Ext\Stats\{2670000A-7350-4F3C-8081-5663EE0C6C49}\iexplore
Operation:writeName:Count
Value:
1
(PID) Process:(2660) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Ext\Stats\{2670000A-7350-4F3C-8081-5663EE0C6C49}\iexplore
Operation:writeName:Time
Value:
E307040005000C000F0005002A009701
Executable files
0
Suspicious files
5
Text files
10
Unknown types
11

Dropped files

PID
Process
Filename
Type
2660iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\H6QNMHE9\favicon[1].ico —
MD5:—
SHA256:—
2660iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\Internet Explorer\Services\search_{0633EE93-D776-472f-A0FF-E1416B8B2E3A}.ico —
MD5:—
SHA256:—
2660iexplore.exeC:\Users\admin\AppData\Local\Temp\~DF2524817EC3FDBBF0.TMP —
MD5:—
SHA256:—
2660iexplore.exeC:\Users\admin\AppData\Local\Temp\~DFAD9C7D93E5444963.TMP —
MD5:—
SHA256:—
2660iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Internet Explorer\Recovery\Active\RecoveryStore.{7011F681-5D34-11E9-B63D-5254004A04AF}.dat —
MD5:—
SHA256:—
2864iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Low\Content.IE5\index.datdat
MD5:—
SHA256:—
2864iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Windows\History\Low\History.IE5\index.datdat
MD5:—
SHA256:—
2864iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Windows\History\Low\History.IE5\MSHist012019041220190413\index.datdat
MD5:—
SHA256:—
2536WinRAR.exeC:\Users\admin\AppData\Local\Temp\Rar$DIa2536.13554\disallowedcert.stlcat
MD5:—
SHA256:—
2536WinRAR.exeC:\Users\admin\AppData\Local\Temp\Rar$DIa2536.7751\disallowedcert.stlcat
MD5:—
SHA256:—
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
5
TCP/UDP connections
4
DNS requests
15
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
3836
rundll32.exe
GET
—
95.101.0.136:80
http://crl.microsoft.com/pki/crl/products/microsoftrootcert.crl
unknown
—
—
whitelisted
3836
rundll32.exe
GET
200
95.100.186.52:80
http://www.microsoft.com/pkiops/crl/Microsoft%20Certificate%20Trust%20List%20PCA(3).crl
unknown
der
565 b
whitelisted
3836
rundll32.exe
GET
200
95.100.186.52:80
http://www.microsoft.com/pkiops/certs/Microsoft%20Certificate%20Trust%20List%20PCA(3).crt
unknown
der
1.48 Kb
whitelisted
2660
iexplore.exe
GET
200
204.79.197.200:80
http://www.bing.com/favicon.ico
US
image
237 b
whitelisted
2864
iexplore.exe
GET
200
93.184.221.240:80
http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/disallowedcertstl.cab?949033f5924bdf0f
US
compressed
6.38 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
3836
rundll32.exe
95.101.0.136:80
crl.microsoft.com
Akamai International B.V.
—
whitelisted
3836
rundll32.exe
95.100.186.52:80
www.microsoft.com
Akamai Technologies, Inc.
—
whitelisted
2660
iexplore.exe
204.79.197.200:80
www.bing.com
Microsoft Corporation
US
whitelisted
2864
iexplore.exe
93.184.221.240:80
ctldl.windowsupdate.com
MCI Communications Services, Inc. d/b/a Verizon Business
US
whitelisted

DNS requests

Domain
IP
Reputation
ctldl.windowsupdate.com
  • 93.184.221.240
whitelisted
www.bing.com
  • 204.79.197.200
whitelisted
www.microsoft.com
  • 95.100.186.52
whitelisted
crl.microsoft.com
  • 95.101.0.136
whitelisted

Threats

No threats detected
No debug info
Interactive malware hunting service ANY.RUN
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Reports
http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/disallowedcertstl.cab?949033f5924bdf0f