File name:

Windows Update Blocker.zip

Full analysis: https://app.any.run/tasks/7b2c1da3-1a29-483c-a765-3c6d02130db8
Verdict: Malicious activity
Analysis date: April 13, 2025, 23:00:37
OS: Windows 10 Professional (build: 19044, 64 bit)
Indicators:
MIME: application/zip
File info: Zip archive data, at least v2.0 to extract, compression method=store
MD5:

2A092B4D68D023DB255875CAC30A40A7

SHA1:

6213DA9D476D23FB38FAFF9C16C5C053B9FA28FE

SHA256:

1373A5A5545ADA4B3463CDBE844A07A80096D01081B472DF9900AF4EC7FACBE8

SSDEEP:

49152:QNaVFYZT69EEmXfm6J26a5194CeKOCM+rRq2CmY8quc4Nd8p7A+GTa/xI76feBJy:QwF8TtEmPm6J26a519AKFMq42OadZWWK

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

    • Executing a file with an untrusted certificate

      • Wub_x64.exe (PID: 1184)
      • Wub_x64.exe (PID: 4212)
      • Wub_x64.exe (PID: 672)

    • Creates or modifies Windows services

      • Wub_x64.exe (PID: 1184)

    • Changes the Windows auto-update feature

      • Wub_x64.exe (PID: 1184)

    • Changes image file execution options

      • Wub_x64.exe (PID: 1184)
      • Wub_x64.exe (PID: 672)

  • SUSPICIOUS

    • Probably fake Windows Update

      • Wub_x64.exe (PID: 4212)
      • Wub_x64.exe (PID: 1184)
      • WinRAR.exe (PID: 5364)
      • Wub_x64.exe (PID: 672)

    • Probably fake Windows Update file has been dropped

      • WinRAR.exe (PID: 5364)

    • Modifies existing scheduled task

      • schtasks.exe (PID: 4024)
      • schtasks.exe (PID: 4016)
      • schtasks.exe (PID: 6676)
      • schtasks.exe (PID: 2984)
      • schtasks.exe (PID: 2520)
      • schtasks.exe (PID: 1132)
      • schtasks.exe (PID: 7156)
      • schtasks.exe (PID: 6980)
      • schtasks.exe (PID: 6228)
      • schtasks.exe (PID: 1228)
      • schtasks.exe (PID: 5096)
      • schtasks.exe (PID: 5964)
      • schtasks.exe (PID: 892)
      • schtasks.exe (PID: 1064)
      • schtasks.exe (PID: 3240)
      • schtasks.exe (PID: 5748)
      • schtasks.exe (PID: 4200)
      • schtasks.exe (PID: 976)
      • schtasks.exe (PID: 5520)
      • schtasks.exe (PID: 5096)
      • schtasks.exe (PID: 3300)
      • schtasks.exe (PID: 4188)
      • schtasks.exe (PID: 5508)
      • schtasks.exe (PID: 2656)
      • schtasks.exe (PID: 1572)
      • schtasks.exe (PID: 6676)
      • schtasks.exe (PID: 2104)
      • schtasks.exe (PID: 6744)
      • schtasks.exe (PID: 2392)
      • schtasks.exe (PID: 6268)

    • Creates or modifies Windows services

      • Wub_x64.exe (PID: 1184)
      • Wub_x64.exe (PID: 672)

    • Application launched itself

      • Wub_x64.exe (PID: 1184)

  • INFO

    • Create files in a temporary directory

      • Wub_x64.exe (PID: 1184)

    • Manual execution by a user

      • Wub_x64.exe (PID: 4212)
      • Wub_x64.exe (PID: 1184)

    • Executable content was dropped or overwritten

      • WinRAR.exe (PID: 5364)

    • The sample compiled with english language support

      • WinRAR.exe (PID: 5364)

    • Checks supported languages

      • Wub_x64.exe (PID: 1184)
      • Wub_x64.exe (PID: 672)

    • Reads mouse settings

      • Wub_x64.exe (PID: 1184)
      • Wub_x64.exe (PID: 672)

    • Reads the computer name

      • Wub_x64.exe (PID: 1184)
      • Wub_x64.exe (PID: 672)

    • Checks proxy server information

      • slui.exe (PID: 4068)

    • Reads the software policy settings

      • slui.exe (PID: 4068)
      • slui.exe (PID: 3020)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.zip | ZIP compressed archive (100)

EXIF

ZIP

ZipRequiredVersion: 20
ZipBitFlag: -
ZipCompression: None
ZipModifyDate: 2024:10:21 19:45:04
ZipCRC: 0x00000000
ZipCompressedSize: -
ZipUncompressedSize: -
ZipFileName: Windows Update Blocker/
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
202
Monitored processes
68
Malicious processes
3
Suspicious processes
0

Behavior graph

Click at the process to see the details
start winrar.exe sppextcomobj.exe no specs slui.exe rundll32.exe no specs wub_x64.exe no specs wub_x64.exe schtasks.exe no specs conhost.exe no specs schtasks.exe no specs conhost.exe no specs schtasks.exe no specs conhost.exe no specs schtasks.exe no specs conhost.exe no specs schtasks.exe no specs conhost.exe no specs schtasks.exe no specs conhost.exe no specs schtasks.exe no specs conhost.exe no specs schtasks.exe no specs conhost.exe no specs schtasks.exe no specs conhost.exe no specs schtasks.exe no specs conhost.exe no specs schtasks.exe no specs conhost.exe no specs schtasks.exe no specs conhost.exe no specs schtasks.exe no specs conhost.exe no specs schtasks.exe no specs conhost.exe no specs schtasks.exe no specs conhost.exe no specs wub_x64.exe schtasks.exe no specs conhost.exe no specs schtasks.exe no specs conhost.exe no specs schtasks.exe no specs conhost.exe no specs schtasks.exe no specs conhost.exe no specs schtasks.exe no specs conhost.exe no specs schtasks.exe no specs conhost.exe no specs schtasks.exe no specs conhost.exe no specs schtasks.exe no specs conhost.exe no specs schtasks.exe no specs conhost.exe no specs schtasks.exe no specs conhost.exe no specs schtasks.exe no specs conhost.exe no specs schtasks.exe no specs conhost.exe no specs schtasks.exe no specs conhost.exe no specs schtasks.exe no specs conhost.exe no specs schtasks.exe no specs conhost.exe no specs slui.exe

Process information

PID
CMD
Path
Indicators
Parent process
672"C:\Users\admin\Desktop\Windows Update Blocker\Wub_x64.exe" /SYS 0 1C:\Users\admin\Desktop\Windows Update Blocker\Wub_x64.exe
Wub_x64.exe
User:
SYSTEM
Company:
www.sordum.org
Integrity Level:
SYSTEM
Description:
Windows Update Blocker
Exit code:
0
Version:
1.8.0.0
Modules
Images
c:\users\admin\desktop\windows update blocker\wub_x64.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\system32\psapi.dll
c:\windows\system32\user32.dll
c:\windows\system32\win32u.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\gdi32full.dll
892"C:\WINDOWS\System32\schtasks.exe" /change /tn "Microsoft\Windows\WindowsUpdate\sih" /disableC:\Windows\System32\schtasks.exe—Wub_x64.exe
User:
SYSTEM
Company:
Microsoft Corporation
Integrity Level:
SYSTEM
Description:
Task Scheduler Configuration Tool
Exit code:
0
Version:
10.0.19041.1 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\schtasks.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\oleaut32.dll
c:\windows\system32\msvcp_win.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\combase.dll
904\??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1C:\Windows\System32\conhost.exe—schtasks.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Console Window Host
Exit code:
0
Version:
10.0.19041.1 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\conhost.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcp_win.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\shcore.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\combase.dll
c:\windows\system32\rpcrt4.dll
976"C:\WINDOWS\System32\schtasks.exe" /change /tn "Microsoft\Windows\UpdateOrchestrator\Schedule Maintenance Work" /disableC:\Windows\System32\schtasks.exe—Wub_x64.exe
User:
SYSTEM
Company:
Microsoft Corporation
Integrity Level:
SYSTEM
Description:
Task Scheduler Configuration Tool
Exit code:
0
Version:
10.0.19041.1 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\schtasks.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\oleaut32.dll
c:\windows\system32\msvcp_win.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\combase.dll
1064"C:\WINDOWS\System32\schtasks.exe" /change /tn "Microsoft\Windows\UpdateOrchestrator\USO_Broker_Display" /disableC:\Windows\System32\schtasks.exe—Wub_x64.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Task Scheduler Configuration Tool
Exit code:
0
Version:
10.0.19041.1 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\schtasks.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\oleaut32.dll
c:\windows\system32\msvcp_win.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\combase.dll
1132"C:\WINDOWS\System32\schtasks.exe" /change /tn "Microsoft\Windows\UpdateOrchestrator\Report policies" /disableC:\Windows\System32\schtasks.exe—Wub_x64.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Task Scheduler Configuration Tool
Exit code:
1
Version:
10.0.19041.1 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\schtasks.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\oleaut32.dll
c:\windows\system32\msvcp_win.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\combase.dll
1184"C:\Users\admin\Desktop\Windows Update Blocker\Wub_x64.exe" C:\Users\admin\Desktop\Windows Update Blocker\Wub_x64.exe
explorer.exe
User:
admin
Company:
www.sordum.org
Integrity Level:
HIGH
Description:
Windows Update Blocker
Exit code:
0
Version:
1.8.0.0
Modules
Images
c:\users\admin\desktop\windows update blocker\wub_x64.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\system32\psapi.dll
c:\windows\system32\user32.dll
c:\windows\system32\win32u.dll
c:\windows\system32\wsock32.dll
c:\windows\system32\gdi32.dll
1188\??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1C:\Windows\System32\conhost.exe—schtasks.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Console Window Host
Exit code:
0
Version:
10.0.19041.1 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\conhost.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcp_win.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\shcore.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\combase.dll
c:\windows\system32\rpcrt4.dll
1188\??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1C:\Windows\System32\conhost.exe—schtasks.exe
User:
SYSTEM
Company:
Microsoft Corporation
Integrity Level:
SYSTEM
Description:
Console Window Host
Exit code:
0
Version:
10.0.19041.1 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\conhost.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcp_win.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\shcore.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\combase.dll
c:\windows\system32\rpcrt4.dll
1228"C:\WINDOWS\System32\schtasks.exe" /change /tn "Microsoft\Windows\WindowsUpdate\Scheduled Start" /disableC:\Windows\System32\schtasks.exe—Wub_x64.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Task Scheduler Configuration Tool
Exit code:
0
Version:
10.0.19041.1 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\schtasks.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\oleaut32.dll
c:\windows\system32\msvcp_win.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\combase.dll
Total events
6 289
Read events
6 210
Write events
67
Delete events
12

Modification events

(PID) Process:(5364) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory
Operation:writeName:3
Value:
C:\Users\admin\Desktop\preferences.zip
(PID) Process:(5364) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory
Operation:writeName:2
Value:
C:\Users\admin\Desktop\chromium_ext.zip
(PID) Process:(5364) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory
Operation:writeName:1
Value:
C:\Users\admin\Desktop\omni_23_10_2024_.zip
(PID) Process:(5364) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory
Operation:writeName:0
Value:
C:\Users\admin\Desktop\Windows Update Blocker.zip
(PID) Process:(5364) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths
Operation:writeName:name
Value:
120
(PID) Process:(5364) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths
Operation:writeName:size
Value:
80
(PID) Process:(5364) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths
Operation:writeName:type
Value:
120
(PID) Process:(5364) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths
Operation:writeName:mtime
Value:
100
(PID) Process:(1184) Wub_x64.exeKey:HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\wuauserv
Operation:writeName:Start
Value:
2
(PID) Process:(1184) Wub_x64.exeKey:HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\wuauserv
Operation:writeName:ImagePath
Value:
%systemroot%\system32\svchost.exe -k wusvcs -p
Executable files
2
Suspicious files
7
Text files
5
Unknown types
0

Dropped files

PID
Process
Filename
Type
5364WinRAR.exeC:\Users\admin\AppData\Local\Temp\Rar$DRa5364.6061\Windows Update Blocker\Wub_x64.exeexecutable
MD5:9D6778F7F274F7ECD4E7E875A7268B64
SHA256:187EEEE9E518011DE1B87CFB0ED03E12EA551E9011F0C8DEFDD0E4535E672DA2
5364WinRAR.exeC:\Users\admin\AppData\Local\Temp\Rar$DRa5364.6061\Windows Update Blocker\Wub.exeexecutable
MD5:82AFF8883099CF75462057C4E47E88AC
SHA256:AAC1123F17F8569A36BF93876CEA30E15103FD2379B401A79129A2A6E7285AC2
5364WinRAR.exeC:\Users\admin\AppData\Local\Temp\Rar$DRa5364.6061\Windows Update Blocker\VersionInfo.txttext
MD5:E5316699929D6736E9C0C3B638EC8C2A
SHA256:7E2B60095D07E98C6C827A1047BEB7B2EE649AE84E19ACF3EDDB46911C972FAB
1184Wub_x64.exeC:\Windows\System32\GroupPolicy\Machine\Registry.polbinary
MD5:4EBD7B702B806725AD4B3AE751F9FC00
SHA256:A31591834F86ED09610A65D728922EEF481FA3A5F86B5130C407ED4126EB4FB2
672Wub_x64.exeC:\Windows\Temp\aut1809.tmpbinary
MD5:6FE605C15470246A5176C30074168DEC
SHA256:8AB8F7D476E811DA1047313CCB73D7A4903551B98C01228E3C4C121E6C67DE30
672Wub_x64.exeC:\Windows\Temp\2kjr6u7s.tmptext
MD5:D07C51FCF3074D96B25576375FF8D79B
SHA256:00EB42BC001F881E761C4F8C5B1E49B95A92A9A1E28099DE55DC04F205449FB1
672Wub_x64.exeC:\Windows\Temp\aut182A.tmpbinary
MD5:CF708CE751CDACDE2FCAECE8C3AD462D
SHA256:9DDCDDE91ADD513F83CABCD772E00269E1B6A6B8CC0F94A514F1808D74D4C5F6
1184Wub_x64.exeC:\Users\admin\AppData\Local\Temp\autFE69.tmpbinary
MD5:CF708CE751CDACDE2FCAECE8C3AD462D
SHA256:9DDCDDE91ADD513F83CABCD772E00269E1B6A6B8CC0F94A514F1808D74D4C5F6
1184Wub_x64.exeC:\Users\admin\AppData\Local\Temp\autFE57.tmpbinary
MD5:6FE605C15470246A5176C30074168DEC
SHA256:8AB8F7D476E811DA1047313CCB73D7A4903551B98C01228E3C4C121E6C67DE30
1184Wub_x64.exeC:\Users\admin\AppData\Local\Temp\1d1g8b4w.tmptext
MD5:D07C51FCF3074D96B25576375FF8D79B
SHA256:00EB42BC001F881E761C4F8C5B1E49B95A92A9A1E28099DE55DC04F205449FB1
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
2
TCP/UDP connections
23
DNS requests
9
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
5496
MoUsoCoreWorker.exe
GET
200
23.48.23.156:80
http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl
unknown
—
—
whitelisted
6544
svchost.exe
GET
200
184.30.131.245:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D
unknown
—
—
whitelisted
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
4
System
192.168.100.255:137
—
—
—
whitelisted
—
—
20.73.194.208:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
NL
whitelisted
5496
MoUsoCoreWorker.exe
23.48.23.156:80
crl.microsoft.com
Akamai International B.V.
DE
whitelisted
4
System
192.168.100.255:138
—
—
—
whitelisted
2104
svchost.exe
4.231.128.59:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
3216
svchost.exe
172.211.123.250:443
client.wns.windows.com
MICROSOFT-CORP-MSN-AS-BLOCK
FR
whitelisted
2196
svchost.exe
224.0.0.252:5355
—
—
—
whitelisted
2196
svchost.exe
224.0.0.251:5353
—
—
—
unknown
3020
slui.exe
20.83.72.98:443
activation-v2.sls.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
US
whitelisted
6544
svchost.exe
40.126.32.136:443
login.live.com
MICROSOFT-CORP-MSN-AS-BLOCK
NL
whitelisted

DNS requests

Domain
IP
Reputation
settings-win.data.microsoft.com
  • 20.73.194.208
  • 4.231.128.59
whitelisted
google.com
  • 142.250.185.206
whitelisted
crl.microsoft.com
  • 23.48.23.156
  • 23.48.23.166
  • 23.48.23.143
whitelisted
client.wns.windows.com
  • 172.211.123.250
whitelisted
activation-v2.sls.microsoft.com
  • 20.83.72.98
whitelisted
nexusrules.officeapps.live.com
  • 52.111.243.29
whitelisted
login.live.com
  • 40.126.32.136
  • 20.190.160.2
  • 20.190.160.67
  • 20.190.160.132
  • 20.190.160.128
  • 20.190.160.17
  • 40.126.32.133
  • 40.126.32.140
whitelisted
ocsp.digicert.com
  • 184.30.131.245
whitelisted

Threats

No threats detected
No debug info
Interactive malware hunting service ANY.RUN
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Reports
Windows Update Blocker.zip