URL:

https://cdnwrd2.com/r/54921/1597866755790/KRNLWRD.rar

Full analysis: https://app.any.run/tasks/1de5b53d-acd4-4485-95d9-39a828802e82
Verdict: Malicious activity
Analysis date: August 23, 2020, 17:16:00
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MD5:

41F2117C4E71DED0A891C8799E9ED52F

SHA1:

D593CDBCEE76C123CF2DF2B85963DF89825F9526

SHA256:

51BE74345561ED24531BB04FA30F0A156F4B8293B7EB1946F633C33DBB16CE6E

SSDEEP:

3:N8cg7K8SdUvXc3ha:2cX8uob

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.exe (PID: 3588)
      • krnl.exe (PID: 2352)
      • krnl.exe (PID: 744)
      • krnl.exe (PID: 2652)

    • Loads dropped or rewritten executable

      • SearchProtocolHost.exe (PID: 3536)
      • krnl.exe (PID: 2652)
      • krnl.exe (PID: 2352)

  • SUSPICIOUS

    • Executable content was dropped or overwritten

      • WinRAR.exe (PID: 1120)
      • krnl.exe (PID: 2352)

  • INFO

    • Application launched itself

      • iexplore.exe (PID: 2592)

    • Changes internet zones settings

      • iexplore.exe (PID: 2592)

    • Manual execution by user

      • krnl.exe (PID: 2652)
      • krnl.exe (PID: 744)
      • rundll32.exe (PID: 1980)
      • control.exe (PID: 1816)

    • Reads Internet Cache Settings

      • iexplore.exe (PID: 2664)
      • iexplore.exe (PID: 2592)

    • Modifies the phishing filter of IE

      • iexplore.exe (PID: 2592)

    • Reads settings of System Certificates

      • iexplore.exe (PID: 2664)

    • Creates files in the user directory

      • iexplore.exe (PID: 2664)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
55
Monitored processes
10
Malicious processes
4
Suspicious processes
1

Behavior graph

Click at the process to see the details
start drop and start drop and start iexplore.exe no specs iexplore.exe winrar.exe krnl.exe no specs krnl.exe searchprotocolhost.exe no specs krnl.exe no specs krnl.exe rundll32.exe no specs control.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
744"C:\Users\admin\Desktop\KRNLWRD\krnl.exe" C:\Users\admin\Desktop\KRNLWRD\krnl.exe—explorer.exe
User:
admin
Integrity Level:
MEDIUM
Description:
krnlss
Exit code:
3221226540
Version:
1.0.0.0
Modules
Images
c:\users\admin\desktop\krnlwrd\krnl.exe
c:\systemroot\system32\ntdll.dll
1120"C:\Program Files\WinRAR\WinRAR.exe" "C:\Users\admin\Downloads\KRNLWRD.rar"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
1816"C:\Windows\System32\control.exe" SYSTEMC:\Windows\System32\control.exe—explorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Control Panel
Exit code:
1
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\control.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
1980"C:\Windows\System32\rundll32.exe" shwebsvc.dll,AddNetPlaceRunDllC:\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\usp10.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\imagehlp.dll
2352"C:\Users\admin\AppData\Local\Temp\Rar$EXa1120.32810\KRNLWRD\krnl.exe" C:\Users\admin\AppData\Local\Temp\Rar$EXa1120.32810\KRNLWRD\krnl.exe
WinRAR.exe
User:
admin
Integrity Level:
HIGH
Description:
krnlss
Exit code:
1
Version:
1.0.0.0
Modules
Images
c:\users\admin\appdata\local\temp\rar$exa1120.32810\krnlwrd\krnl.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\mscoree.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\microsoft.net\framework\v4.0.30319\mscoreei.dll
2592"C:\Program Files\Internet Explorer\iexplore.exe" https://cdnwrd2.com/r/54921/1597866755790/KRNLWRD.rarC:\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
2652"C:\Users\admin\Desktop\KRNLWRD\krnl.exe" C:\Users\admin\Desktop\KRNLWRD\krnl.exe
explorer.exe
User:
admin
Integrity Level:
HIGH
Description:
krnlss
Exit code:
1
Version:
1.0.0.0
Modules
Images
c:\users\admin\desktop\krnlwrd\krnl.exe
c:\systemroot\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\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\microsoft.net\framework\v4.0.30319\mscoreei.dll
2664"C:\Program Files\Internet Explorer\iexplore.exe" SCODEF:2592 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\advapi32.dll
c:\windows\system32\api-ms-win-downlevel-advapi32-l1-1-0.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\iertutil.dll
3536"C:\Windows\system32\SearchProtocolHost.exe" Global\UsGthrFltPipeMssGthrPipe5_ Global\UsGthrCtrlFltPipeMssGthrPipe5 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:
7.00.7600.16385 (win7_rtm.090713-1255)
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
3588"C:\Users\admin\AppData\Local\Temp\Rar$EXa1120.32810\KRNLWRD\krnl.exe" C:\Users\admin\AppData\Local\Temp\Rar$EXa1120.32810\KRNLWRD\krnl.exe—WinRAR.exe
User:
admin
Integrity Level:
MEDIUM
Description:
krnlss
Exit code:
3221226540
Version:
1.0.0.0
Modules
Images
c:\users\admin\appdata\local\temp\rar$exa1120.32810\krnlwrd\krnl.exe
c:\systemroot\system32\ntdll.dll
Total events
1 679
Read events
1 587
Write events
92
Delete events
0

Modification events

(PID) Process:(2592) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\UrlBlockManager
Operation:writeName:NextCheckForUpdateLowDateTime
Value:
773111336
(PID) Process:(2592) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\UrlBlockManager
Operation:writeName:NextCheckForUpdateHighDateTime
Value:
30833009
(PID) Process:(2592) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content
Operation:writeName:CachePrefix
Value:
(PID) Process:(2592) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies
Operation:writeName:CachePrefix
Value:
Cookie:
(PID) Process:(2592) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History
Operation:writeName:CachePrefix
Value:
Visited:
(PID) Process:(2592) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main
Operation:writeName:CompatibilityFlags
Value:
0
(PID) Process:(2592) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings
Operation:writeName:ProxyEnable
Value:
0
(PID) Process:(2592) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections
Operation:writeName:SavedLegacySettings
Value:
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
(PID) Process:(2592) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
0
(PID) Process:(2592) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
1
Executable files
7
Suspicious files
7
Text files
3
Unknown types
2

Dropped files

PID
Process
Filename
Type
2664iexplore.exeC:\Users\admin\AppData\Local\Temp\Low\Cab3C1A.tmp —
MD5:—
SHA256:—
2664iexplore.exeC:\Users\admin\AppData\Local\Temp\Low\Tar3C1B.tmp —
MD5:—
SHA256:—
2664iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Low\Content.IE5\MFAQUS6V\KRNLWRD[1].rar —
MD5:—
SHA256:—
2664iexplore.exeC:\Users\admin\Downloads\KRNLWRD.rar.p3ldqxz.partial —
MD5:—
SHA256:—
2592iexplore.exeC:\Users\admin\AppData\Local\Temp\~DF871AED11B096C650.TMP —
MD5:—
SHA256:—
2592iexplore.exeC:\Users\admin\Downloads\KRNLWRD.rar.p3ldqxz.partial:Zone.Identifier —
MD5:—
SHA256:—
2592iexplore.exeC:\Users\admin\Downloads\KRNLWRD.rar —
MD5:—
SHA256:—
1120WinRAR.exeC:\Users\admin\AppData\Local\Temp\Rar$DRa1120.34117\KRNLWRD\Bunifu_UI_v1.5.3.dll —
MD5:—
SHA256:—
1120WinRAR.exeC:\Users\admin\AppData\Local\Temp\Rar$DRa1120.34117\KRNLWRD\Indicium-Supra.dll —
MD5:—
SHA256:—
1120WinRAR.exeC:\Users\admin\AppData\Local\Temp\Rar$DRa1120.34117\KRNLWRD\krnl.dll —
MD5:—
SHA256:—
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
2
TCP/UDP connections
4
DNS requests
2
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
2664
iexplore.exe
GET
200
93.184.220.29:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQS14tALDViBvqCf47YkiQRtKz1BAQUpc436uuwdQ6UZ4i0RfrZJBCHlh8CEAK50wIR0g%2FaHdXW3cMLN6I%3D
US
der
278 b
whitelisted
2664
iexplore.exe
GET
200
93.184.220.29:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTBL0V27RVZ7LBduom%2FnYB45SPUEwQU5Z1ZMIJHWMys%2BghUNoZ7OrUETfACEAo3h2ReX7SMIk79G%2B0UDDw%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
2664
iexplore.exe
104.27.156.218:443
cdnwrd2.com
Cloudflare Inc
US
unknown
—
—
104.27.156.218:443
cdnwrd2.com
Cloudflare Inc
US
unknown
2664
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
cdnwrd2.com
  • 104.27.156.218
  • 172.67.166.253
  • 104.27.157.218
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
https://cdnwrd2.com/r/54921/1597866755790/KRNLWRD.rar