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URL:

https://csocblobstorage.blob.core.windows.net/misc/CsUninstallTool.exe

Full analysis: https://app.any.run/tasks/c6f6477c-c47f-4baf-86e6-9b5f6df335f5
Verdict: Malicious activity
Analysis date: August 12, 2022, 17:10:42
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MD5:

453DB2C5DE927EA315DA28EEA38455AF

SHA1:

B41D3E6648E3F80813B3E43B3F4DA94BE3C5955B

SHA256:

5EA37B7D8290AFBFF6825EF4F5D0F94F7915F713B5287FE54C7D61DF92E8378D

SSDEEP:

3:N8LwJSwkWERR2An:2CErn

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

    • Drops executable file immediately after starts

      • iexplore.exe (PID: 3956)
      • iexplore.exe (PID: 3432)

    • Application was dropped or rewritten from another process

      • CsUninstallTool.exe (PID: 2716)
      • CsUninstallTool.exe (PID: 3084)

  • SUSPICIOUS

    • Reads Microsoft Outlook installation path

      • iexplore.exe (PID: 3956)

    • Executable content was dropped or overwritten

      • iexplore.exe (PID: 3432)
      • iexplore.exe (PID: 3956)

    • Drops a file with a compile date too recent

      • iexplore.exe (PID: 3956)
      • iexplore.exe (PID: 3432)

    • Checks supported languages

      • CsUninstallTool.exe (PID: 3084)

    • Searches for installed software

      • CsUninstallTool.exe (PID: 3084)

  • INFO

    • Checks supported languages

      • iexplore.exe (PID: 3432)
      • iexplore.exe (PID: 3956)

    • Application launched itself

      • iexplore.exe (PID: 3432)

    • Reads the computer name

      • iexplore.exe (PID: 3432)
      • iexplore.exe (PID: 3956)

    • Changes internet zones settings

      • iexplore.exe (PID: 3432)

    • Reads settings of System Certificates

      • iexplore.exe (PID: 3432)
      • iexplore.exe (PID: 3956)

    • Reads internet explorer settings

      • iexplore.exe (PID: 3956)

    • Checks Windows Trust Settings

      • iexplore.exe (PID: 3956)
      • iexplore.exe (PID: 3432)

    • Reads the date of Windows installation

      • iexplore.exe (PID: 3432)

    • Modifies the phishing filter of IE

      • iexplore.exe (PID: 3432)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.
No data.
screenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
42
Monitored processes
4
Malicious processes
1
Suspicious processes
2

Behavior graph

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

Process information

PID
CMD
Path
Indicators
Parent process
3432"C:\Program Files\Internet Explorer\iexplore.exe" "https://csocblobstorage.blob.core.windows.net/misc/CsUninstallTool.exe"C:\Program Files\Internet Explorer\iexplore.exe
Explorer.EXE
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Internet Explorer
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\api-ms-win-downlevel-version-l1-1-0.dll
3956"C:\Program Files\Internet Explorer\iexplore.exe" SCODEF:3432 CREDAT:267521 /prefetch:2C:\Program Files\Internet Explorer\iexplore.exe
iexplore.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
LOW
Description:
Internet Explorer
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\msvcrt.dll
c:\windows\system32\kernelbase.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\api-ms-win-downlevel-version-l1-1-0.dll
c:\windows\system32\rpcrt4.dll
2716"C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\78RFYB7Z\CsUninstallTool.exe" C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\78RFYB7Z\CsUninstallTool.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\78rfyb7z\csuninstalltool.exe
c:\windows\system32\ntdll.dll
3084"C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\78RFYB7Z\CsUninstallTool.exe" C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\78RFYB7Z\CsUninstallTool.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\78rfyb7z\csuninstalltool.exe
c:\windows\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\msi.dll
c:\windows\system32\user32.dll
Total events
12 455
Read events
12 334
Write events
121
Delete events
0

Modification events

(PID) Process:(3432) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\TabbedBrowsing
Operation:writeName:NTPDaysSinceLastAutoMigration
Value:
1
(PID) Process:(3432) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\TabbedBrowsing
Operation:writeName:NTPLastLaunchLowDateTime
Value:
(PID) Process:(3432) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\TabbedBrowsing
Operation:writeName:NTPLastLaunchHighDateTime
Value:
30977646
(PID) Process:(3432) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\UrlBlockManager
Operation:writeName:NextCheckForUpdateLowDateTime
Value:
(PID) Process:(3432) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\UrlBlockManager
Operation:writeName:NextCheckForUpdateHighDateTime
Value:
30977646
(PID) Process:(3432) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content
Operation:writeName:CachePrefix
Value:
(PID) Process:(3432) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies
Operation:writeName:CachePrefix
Value:
Cookie:
(PID) Process:(3432) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History
Operation:writeName:CachePrefix
Value:
Visited:
(PID) Process:(3432) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main
Operation:writeName:CompatibilityFlags
Value:
0
(PID) Process:(3432) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:ProxyBypass
Value:
1
Executable files
3
Suspicious files
11
Text files
6
Unknown types
6

Dropped files

PID
Process
Filename
Type
3956iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Low\Content.IE5\DY534W2X\CsUninstallTool[1].exeexecutable
MD5:9E796ADB1765894B935615560DB13471
SHA256:260C991CC23810C237DD7783ABD5A0F861A113229930A1AE94CBE82B00DA165C
3956iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\6BADA8974A10C4BD62CC921D13E43B18_1DC6D7385EA816C957BA2B715AC5C442der
MD5:191BE156BB8730F8E2AE266A98F5EEEF
SHA256:ECD32D2E73B2FE5FB12139B83293CCCBD0DB54D681F5E53741C02B037A1DD128
3956iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157binary
MD5:4D0554AD70ED5EF4486B3AB6CD3E38A1
SHA256:78FE4E481CE3DD710B8A0B4BBDBC586F7F09F1D8986C7463C28630CF61D25F06
3432iexplore.exeC:\Users\admin\AppData\Local\Temp\~DF9A952EF2571CA32A.TMPgmc
MD5:CAC5F4A1B3829C45E69C4973A5E9FD12
SHA256:86977AD479CD0010DCCA677375CD6F8FB210711A3CD7490ECB7402EC0B470137
3956iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\6BADA8974A10C4BD62CC921D13E43B18_1DC6D7385EA816C957BA2B715AC5C442binary
MD5:86A7FAE1FEFDCF39CE6DD1D7D8F06285
SHA256:DA09ED69E4338F74B5173E672BD16C259585110B6D0C1BF198EDAE8546DB98F4
3432iexplore.exeC:\Users\admin\AppData\Local\Temp\Cab38C4.tmpcompressed
MD5:589C442FC7A0C70DCA927115A700D41E
SHA256:2E5CB72E9EB43BAAFB6C6BFCC573AAC92F49A8064C483F9D378A9E8E781A526A
3432iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\77EC63BDA74BD0D0E0426DC8F8008506compressed
MD5:589C442FC7A0C70DCA927115A700D41E
SHA256:2E5CB72E9EB43BAAFB6C6BFCC573AAC92F49A8064C483F9D378A9E8E781A526A
3432iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Internet Explorer\Recovery\Active\{BDE23C86-1A61-11ED-8C90-12A9866C77DE}.datbinary
MD5:0FF9FF1923B00D1743B6940ACD3CB42D
SHA256:EF70056C49061440E6ABC4D6184878396B6CB4C4E6EEC1A6B68CE93686E47E4B
3432iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\6BADA8974A10C4BD62CC921D13E43B18_711ED44619924BA6DC33E69F97E7FF63der
MD5:EE87BB11E233C12009CC11725035DBDC
SHA256:D82930A5B051B3C3F1639C24E83BDDF41D5AA66E467A0944D1AC3D59AE6330C5
3432iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\6BADA8974A10C4BD62CC921D13E43B18_711ED44619924BA6DC33E69F97E7FF63binary
MD5:AF57EEF676AA8FD0C3DE1D6067E37FA5
SHA256:6AB4A29A47B96E39424882A8ECA174AEA84AD76FA12165C0BEA945217F77B046
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
6
TCP/UDP connections
15
DNS requests
9
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
3432
iexplore.exe
GET
200
93.184.220.29:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTBL0V27RVZ7LBduom%2FnYB45SPUEwQU5Z1ZMIJHWMys%2BghUNoZ7OrUETfACEA8Ull8gIGmZT9XHrHiJQeI%3D
US
der
1.47 Kb
whitelisted
3432
iexplore.exe
GET
200
23.216.77.69:80
http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/authrootstl.cab?c8f1ab772922d8d7
US
compressed
60.2 Kb
whitelisted
3956
iexplore.exe
GET
200
93.184.220.29:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTBL0V27RVZ7LBduom%2FnYB45SPUEwQU5Z1ZMIJHWMys%2BghUNoZ7OrUETfACEA%2BnRyLFPYjID1ie%2Bx%2BdSjo%3D
US
der
1.47 Kb
whitelisted
3956
iexplore.exe
GET
200
23.216.77.69:80
http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/disallowedcertstl.cab?f8fa4bb561dbb3e8
US
compressed
4.70 Kb
whitelisted
3432
iexplore.exe
GET
200
93.184.220.29:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D
US
der
471 b
whitelisted
3432
iexplore.exe
GET
200
23.216.77.80:80
http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/disallowedcertstl.cab?132242f422a4848f
US
compressed
4.70 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
3432
iexplore.exe
131.253.33.200:443
www.bing.com
Microsoft Corporation
US
whitelisted
3956
iexplore.exe
20.150.37.228:443
csocblobstorage.blob.core.windows.net
—
US
unknown
3432
iexplore.exe
93.184.220.29:80
ocsp.digicert.com
MCI Communications Services, Inc. d/b/a Verizon Business
US
whitelisted
—
—
131.253.33.200:443
www.bing.com
Microsoft Corporation
US
whitelisted
3432
iexplore.exe
23.216.77.69:80
ctldl.windowsupdate.com
NTT DOCOMO, INC.
US
suspicious
—
—
23.216.77.69:80
ctldl.windowsupdate.com
NTT DOCOMO, INC.
US
suspicious
3956
iexplore.exe
93.184.220.29:80
ocsp.digicert.com
MCI Communications Services, Inc. d/b/a Verizon Business
US
whitelisted
3432
iexplore.exe
23.216.77.80:80
ctldl.windowsupdate.com
NTT DOCOMO, INC.
US
suspicious
3432
iexplore.exe
13.107.22.200:443
www.bing.com
Microsoft Corporation
US
whitelisted
3432
iexplore.exe
152.199.19.161:443
r20swj13mr.microsoft.com
MCI Communications Services, Inc. d/b/a Verizon Business
US
whitelisted

DNS requests

Domain
IP
Reputation
csocblobstorage.blob.core.windows.net
  • 20.150.37.228
unknown
api.bing.com
  • 13.107.5.80
whitelisted
www.bing.com
  • 131.253.33.200
  • 13.107.22.200
whitelisted
ctldl.windowsupdate.com
  • 23.216.77.69
  • 23.216.77.80
whitelisted
ocsp.digicert.com
  • 93.184.220.29
whitelisted
r20swj13mr.microsoft.com
  • 152.199.19.161
whitelisted
iecvlist.microsoft.com
  • 152.199.19.161
whitelisted

Threats

No threats detected
No debug info
Interactive malware hunting service ANY.RUN
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Reports
https://csocblobstorage.blob.core.windows.net/misc/CsUninstallTool.exe