URL:

https://k-storage.com/krnl_console_bootstrapper.exe

Full analysis: https://app.any.run/tasks/315d61f4-0f5f-4c9e-b8b7-5abe56a1c94a
Verdict: Malicious activity
Analysis date: July 05, 2021, 20:36:45
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MD5:

F7CEBB00B0CDE2288CBF2276F0E8F803

SHA1:

CA6A985BD5620F87019C6C024FBC47C7C0D0072E

SHA256:

D1E54509F59C494355FCC5DB97C087C82D7AA6166BCC7A001D540D0B5FB1C1B2

SSDEEP:

3:N8EsXA3OXL0JNJPWXEw4A:2EsXDXbEw4A

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

      • krnl_console_bootstrapper.exe (PID: 2852)
      • krnlss.exe (PID: 2676)

    • Loads dropped or rewritten executable

      • SearchProtocolHost.exe (PID: 3068)

  • SUSPICIOUS

    • Reads Microsoft Outlook installation path

      • iexplore.exe (PID: 1860)

    • Executable content was dropped or overwritten

      • iexplore.exe (PID: 1860)
      • iexplore.exe (PID: 2084)
      • krnl_console_bootstrapper.exe (PID: 2852)

    • Reads the computer name

      • krnl_console_bootstrapper.exe (PID: 2852)
      • krnlss.exe (PID: 2676)

    • Checks supported languages

      • krnl_console_bootstrapper.exe (PID: 2852)
      • krnlss.exe (PID: 2676)

    • Reads Environment values

      • krnl_console_bootstrapper.exe (PID: 2852)
      • krnlss.exe (PID: 2676)

    • Drops a file that was compiled in debug mode

      • krnl_console_bootstrapper.exe (PID: 2852)

  • INFO

    • Reads the computer name

      • iexplore.exe (PID: 2084)
      • iexplore.exe (PID: 1860)
      • SearchProtocolHost.exe (PID: 3068)

    • Checks supported languages

      • iexplore.exe (PID: 2084)
      • iexplore.exe (PID: 1860)
      • SearchProtocolHost.exe (PID: 3068)

    • Changes internet zones settings

      • iexplore.exe (PID: 2084)

    • Checks Windows Trust Settings

      • iexplore.exe (PID: 1860)
      • iexplore.exe (PID: 2084)

    • Reads settings of System Certificates

      • iexplore.exe (PID: 1860)
      • iexplore.exe (PID: 2084)
      • krnl_console_bootstrapper.exe (PID: 2852)

    • Application launched itself

      • iexplore.exe (PID: 2084)

    • Reads internet explorer settings

      • iexplore.exe (PID: 1860)

    • Modifies the phishing filter of IE

      • iexplore.exe (PID: 2084)

    • Reads the date of Windows installation

      • iexplore.exe (PID: 2084)

    • Creates files in the user directory

      • iexplore.exe (PID: 2084)

    • Changes settings of System certificates

      • iexplore.exe (PID: 2084)

    • Adds / modifies Windows certificates

      • iexplore.exe (PID: 2084)

    • Manual execution by user

      • krnlss.exe (PID: 2676)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
45
Monitored processes
5
Malicious processes
3
Suspicious processes
0

Behavior graph

Click at the process to see the details
drop and start start iexplore.exe iexplore.exe krnl_console_bootstrapper.exe searchprotocolhost.exe no specs krnlss.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
1860"C:\Program Files\Internet Explorer\iexplore.exe" SCODEF:2084 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:\windows\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\api-ms-win-downlevel-version-l1-1-0.dll
2084"C:\Program Files\Internet Explorer\iexplore.exe" "https://k-storage.com/krnl_console_bootstrapper.exe"C:\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:\windows\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
2676"C:\Users\admin\Desktop\krnl\krnlss.exe" C:\Users\admin\Desktop\krnl\krnlss.exe—Explorer.EXE
User:
admin
Integrity Level:
MEDIUM
Description:
krnlss
Exit code:
1
Version:
1.0.0.0
Modules
Images
c:\users\admin\desktop\krnl\krnlss.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\mscoree.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\sechost.dll
c:\windows\microsoft.net\framework\v4.0.30319\mscoreei.dll
2852"C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\B6QGX7LP\krnl_console_bootstrapper.exe" C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\B6QGX7LP\krnl_console_bootstrapper.exe
iexplore.exe
User:
admin
Integrity Level:
MEDIUM
Description:
krnl_console_bootstrapper
Exit code:
0
Version:
1.0.0.0
Modules
Images
c:\users\admin\appdata\local\microsoft\windows\temporary internet files\content.ie5\b6qgx7lp\krnl_console_bootstrapper.exe
c:\windows\system32\mscoree.dll
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\microsoft.net\framework\v4.0.30319\mscoreei.dll
3068"C:\Windows\system32\SearchProtocolHost.exe" Global\UsGthrFltPipeMssGthrPipe6_ Global\UsGthrCtrlFltPipeMssGthrPipe6 1 -2147483646 "Software\Microsoft\Windows Search" "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT; MS Search 4.0 Robot)" "C:\ProgramData\Microsoft\Search\Data\Temp\usgthrsvc" "DownLevelDaemon" C:\Windows\system32\SearchProtocolHost.exe—SearchIndexer.exe
User:
SYSTEM
Company:
Microsoft Corporation
Integrity Level:
SYSTEM
Description:
Microsoft Windows Search Protocol Host
Exit code:
0
Version:
7.00.7601.24542 (win7sp1_ldr_escrow.191209-2211)
Modules
Images
c:\windows\system32\searchprotocolhost.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\user32.dll
c:\windows\system32\gdi32.dll
Total events
14 274
Read events
14 122
Write events
150
Delete events
2

Modification events

(PID) Process:(2084) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\TabbedBrowsing
Operation:writeName:NTPDaysSinceLastAutoMigration
Value:
1
(PID) Process:(2084) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\TabbedBrowsing
Operation:writeName:NTPLastLaunchLowDateTime
Value:
(PID) Process:(2084) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\TabbedBrowsing
Operation:writeName:NTPLastLaunchHighDateTime
Value:
30896605
(PID) Process:(2084) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\UrlBlockManager
Operation:writeName:NextCheckForUpdateLowDateTime
Value:
(PID) Process:(2084) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\UrlBlockManager
Operation:writeName:NextCheckForUpdateHighDateTime
Value:
30896605
(PID) Process:(2084) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content
Operation:writeName:CachePrefix
Value:
(PID) Process:(2084) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies
Operation:writeName:CachePrefix
Value:
Cookie:
(PID) Process:(2084) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History
Operation:writeName:CachePrefix
Value:
Visited:
(PID) Process:(2084) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main
Operation:writeName:CompatibilityFlags
Value:
0
(PID) Process:(2084) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:ProxyBypass
Value:
1
Executable files
7
Suspicious files
14
Text files
11
Unknown types
7

Dropped files

PID
Process
Filename
Type
1860iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\6BADA8974A10C4BD62CC921D13E43B18_28DEA62A0AE77228DD387E155AD0BA27binary
MD5:—
SHA256:—
1860iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157binary
MD5:—
SHA256:—
2084iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\6BADA8974A10C4BD62CC921D13E43B18_711ED44619924BA6DC33E69F97E7FF63der
MD5:—
SHA256:—
1860iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\6BADA8974A10C4BD62CC921D13E43B18_28DEA62A0AE77228DD387E155AD0BA27der
MD5:—
SHA256:—
2084iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\6BADA8974A10C4BD62CC921D13E43B18_711ED44619924BA6DC33E69F97E7FF63binary
MD5:—
SHA256:—
1860iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Low\Content.IE5\DY534W2X\krnl_console_bootstrapper[1].exeexecutable
MD5:—
SHA256:—
2084iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776binary
MD5:—
SHA256:—
2084iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776der
MD5:—
SHA256:—
2084iexplore.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\5MXDB0CZ3G0KVE94ZS7W.tempbinary
MD5:—
SHA256:—
1860iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157compressed
MD5:F7DCB24540769805E5BB30D193944DCE
SHA256:6B88C6AC55BBD6FEA0EBE5A760D1AD2CFCE251C59D0151A1400701CB927E36EA
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
6
TCP/UDP connections
30
DNS requests
12
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
2084
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
1860
iexplore.exe
GET
200
93.184.221.240:80
http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/disallowedcertstl.cab?f56e5a1990292d87
US
compressed
4.70 Kb
whitelisted
2084
iexplore.exe
GET
200
93.184.220.29:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAxq6XzO1ZmDhpCgCp6lMhQ%3D
US
der
471 b
whitelisted
2084
iexplore.exe
GET
200
93.184.220.29:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D
US
der
471 b
whitelisted
1860
iexplore.exe
GET
200
93.184.220.29:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTBL0V27RVZ7LBduom%2FnYB45SPUEwQU5Z1ZMIJHWMys%2BghUNoZ7OrUETfACEAo3h2ReX7SMIk79G%2B0UDDw%3D
US
der
1.47 Kb
whitelisted
2084
iexplore.exe
GET
200
93.184.220.29:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTBL0V27RVZ7LBduom%2FnYB45SPUEwQU5Z1ZMIJHWMys%2BghUNoZ7OrUETfACEA8Ull8gIGmZT9XHrHiJQeI%3D
US
der
1.47 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
1860
iexplore.exe
172.67.208.22:443
k-storage.com
—
US
unknown
1860
iexplore.exe
93.184.220.29:80
ocsp.digicert.com
MCI Communications Services, Inc. d/b/a Verizon Business
US
whitelisted
1860
iexplore.exe
93.184.221.240:80
ctldl.windowsupdate.com
MCI Communications Services, Inc. d/b/a Verizon Business
US
whitelisted
2084
iexplore.exe
204.79.197.200:443
www.bing.com
Microsoft Corporation
US
whitelisted
2084
iexplore.exe
93.184.220.29:80
ocsp.digicert.com
MCI Communications Services, Inc. d/b/a Verizon Business
US
whitelisted
2084
iexplore.exe
13.107.21.200:443
www.bing.com
Microsoft Corporation
US
whitelisted
2084
iexplore.exe
152.199.19.161:443
iecvlist.microsoft.com
MCI Communications Services, Inc. d/b/a Verizon Business
US
whitelisted
1860
iexplore.exe
104.21.42.186:443
k-storage.com
Cloudflare Inc
US
unknown
2084
iexplore.exe
104.109.93.180:443
go.microsoft.com
Akamai International B.V.
NL
malicious
2084
iexplore.exe
204.79.197.203:443
www.msn.com
Microsoft Corporation
US
malicious

DNS requests

Domain
IP
Reputation
k-storage.com
  • 172.67.208.22
  • 104.21.42.186
malicious
ctldl.windowsupdate.com
  • 93.184.221.240
whitelisted
ocsp.digicert.com
  • 93.184.220.29
whitelisted
api.bing.com
  • 13.107.5.80
whitelisted
www.bing.com
  • 204.79.197.200
  • 13.107.21.200
whitelisted
iecvlist.microsoft.com
  • 152.199.19.161
whitelisted
r20swj13mr.microsoft.com
  • 152.199.19.161
whitelisted
ieonline.microsoft.com
  • 204.79.197.200
whitelisted
go.microsoft.com
  • 104.109.93.180
whitelisted
www.msn.com
  • 204.79.197.203
whitelisted

Threats

No threats detected
No debug info
Interactive malware hunting service ANY.RUN
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Reports
https://k-storage.com/krnl_console_bootstrapper.exe