URL:

https://github.com/MalwareStudio/Clutt4.5/raw/main/Clutt4.5.rar

Full analysis: https://app.any.run/tasks/a729295e-634a-4759-b609-eea3318a41a0
Verdict: Malicious activity
Analysis date: February 18, 2022, 15:58:55
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MD5:

5FBC8A0C5C402F8ADAF6EF2BC676D293

SHA1:

DDC590DBAB7C1B14426281B1A1DF92FC46315EDD

SHA256:

0B74DB16807111A15BCC6D49D06B9435C4D120A51ECAB51F2D137313674D6D28

SSDEEP:

3:N8tEdn3iZOX+3oO:2udSe+3oO

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

      • Clutt4.5.exe (PID: 3348)
      • MBR.exe (PID: 1548)
      • Clutt4.5.exe (PID: 2140)

    • Disables registry editing tools (regedit)

      • Clutt4.5.exe (PID: 2140)

    • Task Manager has been disabled (taskmgr)

      • Clutt4.5.exe (PID: 2140)

  • SUSPICIOUS

    • Reads Microsoft Outlook installation path

      • iexplore.exe (PID: 4064)

    • Checks supported languages

      • WinRAR.exe (PID: 2388)
      • Clutt4.5.exe (PID: 2140)
      • MBR.exe (PID: 1548)

    • Reads the computer name

      • WinRAR.exe (PID: 2388)
      • Clutt4.5.exe (PID: 2140)
      • MBR.exe (PID: 1548)

    • Executable content was dropped or overwritten

      • WinRAR.exe (PID: 2388)
      • Clutt4.5.exe (PID: 2140)

    • Drops a file with a compile date too recent

      • WinRAR.exe (PID: 2388)
      • Clutt4.5.exe (PID: 2140)

    • Creates files in the Windows directory

      • Clutt4.5.exe (PID: 2140)

  • INFO

    • Reads the computer name

      • iexplore.exe (PID: 3332)
      • iexplore.exe (PID: 4064)

    • Checks supported languages

      • iexplore.exe (PID: 3332)
      • iexplore.exe (PID: 4064)

    • Changes internet zones settings

      • iexplore.exe (PID: 3332)

    • Reads settings of System Certificates

      • iexplore.exe (PID: 3332)
      • iexplore.exe (PID: 4064)

    • Application launched itself

      • iexplore.exe (PID: 3332)

    • Reads internet explorer settings

      • iexplore.exe (PID: 4064)

    • Checks Windows Trust Settings

      • iexplore.exe (PID: 3332)
      • iexplore.exe (PID: 4064)

    • Manual execution by user

      • Clutt4.5.exe (PID: 3348)
      • Clutt4.5.exe (PID: 2140)

    • Modifies the phishing filter of IE

      • iexplore.exe (PID: 3332)

    • Reads the date of Windows installation

      • iexplore.exe (PID: 3332)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
45
Monitored processes
6
Malicious processes
1
Suspicious processes
0

Behavior graph

Click at the process to see the details
start drop and start iexplore.exe iexplore.exe winrar.exe clutt4.5.exe no specs clutt4.5.exe mbr.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
1548"C:\Windows\MBR.exe" C:\Windows\MBR.exe—Clutt4.5.exe
User:
admin
Integrity Level:
HIGH
Description:
Exit code:
0
Version:
0.0.0.0
Modules
Images
c:\windows\mbr.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\sechost.dll
c:\windows\microsoft.net\framework\v4.0.30319\mscoreei.dll
c:\windows\system32\rpcrt4.dll
2140"C:\Users\admin\Desktop\Clutt4.5.exe" C:\Users\admin\Desktop\Clutt4.5.exe
Explorer.EXE
User:
admin
Company:
Clutter Destructive
Integrity Level:
HIGH
Description:
Clutt4.5
Exit code:
0
Version:
4.5.0.0
Modules
Images
c:\users\admin\desktop\clutt4.5.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\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\microsoft.net\framework\v4.0.30319\mscoreei.dll
2388"C:\Program Files\WinRAR\WinRAR.exe" "C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\B6QGX7LP\Clutt4.5.rar"C:\Program Files\WinRAR\WinRAR.exe
iexplore.exe
User:
admin
Company:
Alexander Roshal
Integrity Level:
MEDIUM
Description:
WinRAR archiver
Exit code:
0
Version:
5.91.0
Modules
Images
c:\program files\winrar\winrar.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\usp10.dll
c:\windows\system32\comdlg32.dll
3332"C:\Program Files\Internet Explorer\iexplore.exe" "https://github.com/MalwareStudio/Clutt4.5/raw/main/Clutt4.5.rar"C:\Program Files\Internet Explorer\iexplore.exe
Explorer.EXE
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Internet Explorer
Exit code:
1
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
3348"C:\Users\admin\Desktop\Clutt4.5.exe" C:\Users\admin\Desktop\Clutt4.5.exe—Explorer.EXE
User:
admin
Company:
Clutter Destructive
Integrity Level:
MEDIUM
Description:
Clutt4.5
Exit code:
3221226540
Version:
4.5.0.0
Modules
Images
c:\users\admin\desktop\clutt4.5.exe
c:\windows\system32\ntdll.dll
4064"C:\Program Files\Internet Explorer\iexplore.exe" SCODEF:3332 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\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
Total events
14 499
Read events
14 349
Write events
149
Delete events
1

Modification events

(PID) Process:(3332) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\TabbedBrowsing
Operation:writeName:NTPDaysSinceLastAutoMigration
Value:
1
(PID) Process:(3332) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\TabbedBrowsing
Operation:writeName:NTPLastLaunchLowDateTime
Value:
(PID) Process:(3332) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\TabbedBrowsing
Operation:writeName:NTPLastLaunchHighDateTime
Value:
30942432
(PID) Process:(3332) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\UrlBlockManager
Operation:writeName:NextCheckForUpdateLowDateTime
Value:
(PID) Process:(3332) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\UrlBlockManager
Operation:writeName:NextCheckForUpdateHighDateTime
Value:
30942432
(PID) Process:(3332) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content
Operation:writeName:CachePrefix
Value:
(PID) Process:(3332) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies
Operation:writeName:CachePrefix
Value:
Cookie:
(PID) Process:(3332) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History
Operation:writeName:CachePrefix
Value:
Visited:
(PID) Process:(3332) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main
Operation:writeName:CompatibilityFlags
Value:
0
(PID) Process:(3332) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:ProxyBypass
Value:
1
Executable files
2
Suspicious files
14
Text files
6
Unknown types
20

Dropped files

PID
Process
Filename
Type
4064iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\2A7611428D62805A3E4E5BC4103D82E4_D0FA13DADFB59BDF00C474952E166CC1binary
MD5:—
SHA256:—
3332iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157compressed
MD5:F7DCB24540769805E5BB30D193944DCE
SHA256:6B88C6AC55BBD6FEA0EBE5A760D1AD2CFCE251C59D0151A1400701CB927E36EA
3332iexplore.exeC:\Users\admin\AppData\Local\Temp\~DF980C76639D12D64B.TMPgmc
MD5:—
SHA256:—
4064iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\EDC238BFF48A31D55A97E1E93892934B_C20E0DA2D0F89FE526E1490F4A2EE5ABder
MD5:—
SHA256:—
4064iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\EDC238BFF48A31D55A97E1E93892934B_C20E0DA2D0F89FE526E1490F4A2EE5ABbinary
MD5:—
SHA256:—
3332iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Internet Explorer\Recovery\Active\{B796775D-90D3-11EC-BB61-12A9866C77DE}.datbinary
MD5:—
SHA256:—
4064iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\B6QGX7LP\Clutt4.5.rar.4xc017r.partialcompressed
MD5:—
SHA256:—
4064iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Low\Content.IE5\DY534W2X\Clutt4.5[1].rarcompressed
MD5:—
SHA256:—
3332iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Internet Explorer\Recovery\Active\{AE2C0DF2-90D3-11EC-BB61-12A9866C77DE}.datbinary
MD5:—
SHA256:—
3332iexplore.exeC:\Users\admin\AppData\Local\Temp\~DFA5A1D22CDE3626D2.TMPgmc
MD5:—
SHA256:—
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
7
TCP/UDP connections
21
DNS requests
11
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
3332
iexplore.exe
GET
200
93.184.220.29:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTBL0V27RVZ7LBduom%2FnYB45SPUEwQU5Z1ZMIJHWMys%2BghUNoZ7OrUETfACEA8Ull8gIGmZT9XHrHiJQeI%3D
US
der
1.47 Kb
whitelisted
4064
iexplore.exe
GET
200
93.184.220.29:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTfqhLjKLEJQZPin0KCzkdAQpVYowQUsT7DaQP4v0cB1JgmGggC72NkK8MCEAZnA1u7FP1jr8DWqFNO%2FhY%3D
US
der
471 b
whitelisted
4064
iexplore.exe
GET
200
93.184.220.29:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTGMlruL6P9M9B3if1rTM7wyj%2FQKQQUUGGmoNI1xBEqII0fD6xC8M0pz0sCEA6L83cNktGW8Lth%2BTxBZr4%3D
US
der
278 b
whitelisted
4064
iexplore.exe
GET
200
93.184.220.29:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTfqhLjKLEJQZPin0KCzkdAQpVYowQUsT7DaQP4v0cB1JgmGggC72NkK8MCEATh56TcXPLzbcArQrhdFZ8%3D
US
der
471 b
whitelisted
3332
iexplore.exe
GET
200
93.184.220.29:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D
US
der
471 b
whitelisted
3332
iexplore.exe
GET
200
2.16.106.233:80
http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/disallowedcertstl.cab?6834edce95c24453
unknown
compressed
4.70 Kb
whitelisted
3332
iexplore.exe
GET
200
2.16.106.233:80
http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/disallowedcertstl.cab?a447b59d77f5118d
unknown
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
3332
iexplore.exe
131.253.33.200:443
www.bing.com
Microsoft Corporation
US
whitelisted
4064
iexplore.exe
140.82.121.3:443
github.com
—
US
suspicious
3332
iexplore.exe
2.16.106.233:80
ctldl.windowsupdate.com
Akamai International B.V.
—
whitelisted
3332
iexplore.exe
93.184.220.29:80
ocsp.digicert.com
MCI Communications Services, Inc. d/b/a Verizon Business
US
whitelisted
4064
iexplore.exe
93.184.220.29:80
ocsp.digicert.com
MCI Communications Services, Inc. d/b/a Verizon Business
US
whitelisted
4064
iexplore.exe
185.199.108.133:443
raw.githubusercontent.com
GitHub, Inc.
NL
malicious
3332
iexplore.exe
152.199.19.161:443
iecvlist.microsoft.com
MCI Communications Services, Inc. d/b/a Verizon Business
US
whitelisted

DNS requests

Domain
IP
Reputation
github.com
  • 140.82.121.3
malicious
api.bing.com
  • 13.107.13.80
whitelisted
www.bing.com
  • 131.253.33.200
  • 13.107.22.200
whitelisted
ctldl.windowsupdate.com
  • 2.16.106.233
  • 2.16.106.163
whitelisted
ocsp.digicert.com
  • 93.184.220.29
whitelisted
raw.githubusercontent.com
  • 185.199.108.133
  • 185.199.109.133
  • 185.199.110.133
  • 185.199.111.133
shared
iecvlist.microsoft.com
  • 152.199.19.161
whitelisted
r20swj13mr.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://github.com/MalwareStudio/Clutt4.5/raw/main/Clutt4.5.rar