File name:

MediaCreationToolW11.exe

Full analysis: https://app.any.run/tasks/5fd0c103-55bf-440d-9d85-f98e9c1b5717
Verdict: Malicious activity
Analysis date: October 04, 2021, 20:55:17
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386, for MS Windows
MD5:

EE088F5676FA5AFECD8AFED67A4960A5

SHA1:

D1BFD3EBB51CF48D3AC8F7C58FBFC1F22C33C09B

SHA256:

594CC86BA382D954C897CF19A52AE305677BFB5056090106BB5399D2B2C67252

SSDEEP:

196608:b+tzkH55Xtv9GaINAGYF8YiQ7UIiCaqehMpqp:VH55XtvEaYiVUIiCehMpI

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

      • MediaCreationToolW11.exe (PID: 2928)

    • Application was dropped or rewritten from another process

      • SetupHost.Exe (PID: 2748)

    • Loads dropped or rewritten executable

      • SetupHost.Exe (PID: 2748)

  • SUSPICIOUS

    • Reads the computer name

      • SetupHost.Exe (PID: 2748)

    • Executed via COM

      • vdsldr.exe (PID: 120)

    • Checks supported languages

      • MediaCreationToolW11.exe (PID: 2928)
      • SetupHost.Exe (PID: 2748)

    • Drops a file with too old compile date

      • MediaCreationToolW11.exe (PID: 2928)

    • Creates files in the Windows directory

      • MediaCreationToolW11.exe (PID: 2928)
      • SetupHost.Exe (PID: 2748)

    • Executable content was dropped or overwritten

      • MediaCreationToolW11.exe (PID: 2928)

    • Drops a file with a compile date too recent

      • MediaCreationToolW11.exe (PID: 2928)

    • Drops a file that was compiled in debug mode

      • MediaCreationToolW11.exe (PID: 2928)

    • Reads Environment values

      • SetupHost.Exe (PID: 2748)

  • INFO

    • Reads settings of System Certificates

      • SetupHost.Exe (PID: 2748)

    • Checks supported languages

      • vdsldr.exe (PID: 120)

    • Dropped object may contain Bitcoin addresses

      • MediaCreationToolW11.exe (PID: 2928)

    • Reads the computer name

      • vdsldr.exe (PID: 120)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.exe | Win32 Executable MS Visual C++ (generic) (67.4)
.dll | Win32 Dynamic Link Library (generic) (14.2)
.exe | Win32 Executable (generic) (9.7)
.exe | Generic Win/DOS Executable (4.3)
.exe | DOS Executable Generic (4.3)

EXIF

EXE

ProductVersion: 10.0.22000.253
ProductName: Microsoft® Windows® Operating System
OriginalFileName: SetupPrep.exe
LegalCopyright: © Microsoft Corporation. All rights reserved.
InternalName: SetupPrep.exe
FileVersion: 10.0.22000.253 (co_release_svc_prod1.210928-1724)
FileDescription: إعداد Windows 11
CompanyName: Microsoft Corporation
CharacterSet: Unicode
LanguageCode: Arabic
FileSubtype: -
ObjectFileType: Executable application
FileOS: Windows NT 32-bit
FileFlags: (none)
FileFlagsMask: 0x003f
ProductVersionNumber: 10.0.22000.253
FileVersionNumber: 10.0.22000.253
Subsystem: Windows GUI
SubsystemVersion: 6.1
ImageVersion: 10
OSVersion: 10
EntryPoint: 0x74b70
UninitializedDataSize: -
InitializedDataSize: 1341952
CodeSize: 536064
LinkerVersion: 14.28
PEType: PE32
TimeStamp: 1989:12:18 13:07:12+01:00
MachineType: Intel 386 or later, and compatibles

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 18-Dec-1989 12:07:12
Detected languages:
  • Arabic - Saudi Arabia
  • Bulgarian - Bulgaria
  • Chinese - PRC
  • Chinese - Taiwan
  • Croatian - Croatia
  • Czech - Czech Republic
  • Danish - Denmark
  • Dutch - Netherlands
  • English - United Kingdom
  • English - United States
  • Estonian - Estonia
  • Finnish - Finland
  • French - Canada
  • French - France
  • German - Germany
  • Greek - Greece
  • Hebrew - Israel
  • Hungarian - Hungary
  • Italian - Italy
  • Japanese - Japan
  • Korean - Korea
  • Latvian - Latvia
  • Lithuanian - Lithuania
  • Norwegian - Norway (Bokmal)
  • Polish - Poland
  • Portuguese - Brazil
  • Portuguese - Portugal
  • Romanian - Romania
  • Russian - Russia
  • Slovak - Slovakia
  • Slovenian - Slovenia
  • Spanish - Mexico
  • Spanish - Spain (International sort)
  • Swedish - Sweden
  • Thai - Thailand
  • Turkish - Turkey
  • Ukrainian - Ukraine
Debug artifacts:
  • SetupPrep.pdb
CompanyName: Microsoft Corporation
FileDescription: Instalacija operativnog sistema Windows 11
FileVersion: 10.0.22000.253 (co_release_svc_prod1.210928-1724)
InternalName: SetupPrep.exe
LegalCopyright: © Microsoft Corporation. Sva prava zadržana.
OriginalFilename: SetupPrep.exe
ProductName: Operativni sistem Microsoft® Windows®
ProductVersion: 10.0.22000.253

DOS Header

Magic number: MZ
Bytes on last page of file: 0x0090
Pages in file: 0x0003
Relocations: 0x0000
Size of header: 0x0004
Min extra paragraphs: 0x0000
Max extra paragraphs: 0xFFFF
Initial SS value: 0x0000
Initial SP value: 0x00B8
Checksum: 0x0000
Initial IP value: 0x0000
Initial CS value: 0x0000
Overlay number: 0x0000
OEM identifier: 0x0000
OEM information: 0x0000
Address of NE header: 0x000000E8

PE Headers

Signature: PE
Machine: IMAGE_FILE_MACHINE_I386
Number of sections: 7
Time date stamp: 18-Dec-1989 12:07:12
Pointer to Symbol Table: 0x00000000
Number of symbols: 0
Size of Optional Header: 0x00E0
Characteristics:
  • IMAGE_FILE_32BIT_MACHINE
  • IMAGE_FILE_EXECUTABLE_IMAGE
  • IMAGE_FILE_NET_RUN_FROM_SWAP
  • IMAGE_FILE_REMOVABLE_RUN_FROM_SWAP

Sections

Name
Virtual Address
Virtual Size
Raw Size
Charateristics
Entropy
.text
0x00001000
0x00082D78
0x00082E00
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
6.40352
.data
0x00084000
0x00003160
0x00000C00
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
4.60599
.idata
0x00088000
0x00002D2C
0x00002E00
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
5.79889
.didat
0x0008B000
0x00000008
0x00000200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
0.0611629
.boxload@
0x0008C000
0x00000040
0x00000200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
0.742974
.rsrc
0x0008D000
0x0013E000
0x0013D600
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
5.05332
.reloc
0x001CB000
0x000065EC
0x00006600
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ
6.77668

Resources

Title
Entropy
Size
Codepage
Language
Type
1
4.64906
6193
Latin 1 / Western European
English - United States
RT_MANIFEST
2
2.88492
744
Latin 1 / Western European
English - United States
RT_ICON
3
2.61243
488
Latin 1 / Western European
English - United States
RT_ICON
4
2.60227
296
Latin 1 / Western European
English - United States
RT_ICON
5
4.35159
3752
Latin 1 / Western European
English - United States
RT_ICON
6
4.11143
2216
Latin 1 / Western European
English - United States
RT_ICON
7
3.31494
1680
Latin 1 / Western European
UNKNOWN
RT_STRING
8
3.32671
1396
Latin 1 / Western European
UNKNOWN
RT_STRING
9
2.98488
16076
Latin 1 / Western European
UNKNOWN
RT_STRING
10
3.23911
4686
Latin 1 / Western European
UNKNOWN
RT_STRING

Imports

ADVAPI32.dll
COMCTL32.dll
Cabinet.dll
FLTLIB.DLL
GDI32.dll
KERNEL32.dll
MFC42u.dll
OLEAUT32.dll
RPCRT4.dll
SHELL32.dll
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
44
Monitored processes
4
Malicious processes
2
Suspicious processes
0

Behavior graph

Click at the process to see the details
drop and start start mediacreationtoolw11.exe setuphost.exe vdsldr.exe no specs mediacreationtoolw11.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
120C:\Windows\System32\vdsldr.exe -EmbeddingC:\Windows\System32\vdsldr.exe—svchost.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Virtual Disk Service Loader
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\vdsldr.exe
c:\windows\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\atl.dll
2208"C:\Users\admin\AppData\Local\Temp\MediaCreationToolW11.exe" C:\Users\admin\AppData\Local\Temp\MediaCreationToolW11.exe—Explorer.EXE
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows 11 Setup
Exit code:
3221226540
Version:
10.0.22000.253 (co_release_svc_prod1.210928-1724)
Modules
Images
c:\users\admin\appdata\local\temp\mediacreationtoolw11.exe
c:\windows\system32\ntdll.dll
2748"C:\$Windows.~WS\Sources\SetupHost.Exe" /Download /Web C:\$Windows.~WS\Sources\SetupHost.Exe
MediaCreationToolW11.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Modern Setup Host
Exit code:
0
Version:
10.0.22000.253 (co_release_svc_prod1.210928-1724)
Modules
Images
c:\$windows.~ws\sources\setuphost.exe
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\ntdll.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\sechost.dll
c:\windows\system32\user32.dll
c:\windows\system32\lpk.dll
2928"C:\Users\admin\AppData\Local\Temp\MediaCreationToolW11.exe" C:\Users\admin\AppData\Local\Temp\MediaCreationToolW11.exe
Explorer.EXE
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Windows 11 Setup
Exit code:
0
Version:
10.0.22000.253 (co_release_svc_prod1.210928-1724)
Modules
Images
c:\users\admin\appdata\local\temp\mediacreationtoolw11.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\gdi32.dll
c:\windows\system32\user32.dll
Total events
4 764
Read events
4 661
Write events
101
Delete events
2

Modification events

(PID) Process:(2928) MediaCreationToolW11.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\VolumeCaches\Temporary Setup Files
Operation:writeName:SetupDirectories
Value:
$Windows.~BT;$Windows.~LS;$Windows.~WS
(PID) Process:(2928) MediaCreationToolW11.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\VolumeCaches\Temporary Setup Files
Operation:writeName:SetupDirectories
Value:
$Windows.~BT;$Windows.~LS;$Windows.~WS;ESD\Download
(PID) Process:(2748) SetupHost.ExeKey:HKEY_LOCAL_MACHINE\SYSTEM\Setup\MoSetup
Operation:writeName:CorrelationVector
Value:
Q0lbTlEC7EynpS/M.0
(PID) Process:(2748) SetupHost.ExeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\171\52C64B7E
Operation:writeName:LanguageList
Value:
en-US
(PID) Process:(2748) SetupHost.ExeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\OneSettings\WSD\SetupPlatform
Operation:writeName:ETag
Value:
1926:3D1294E86A0ADCF7A15E03A7334F51BFA0DC8545::2F0EB29FCE
(PID) Process:(2748) SetupHost.ExeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\OneSettings\WSD\SetupPlatform
Operation:writeName:RefreshInterval
Value:
1926
(PID) Process:(2748) SetupHost.ExeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\OneSettings\WSD\SetupPlatform\Settings
Operation:writeName:SKIPBOOTSAFEOS
Value:
TRUE
(PID) Process:(2748) SetupHost.ExeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\OneSettings\WSD\SetupPlatform\Settings
Operation:writeName:MIGRATEUSERSOFFLINE
Value:
TRUE
(PID) Process:(2748) SetupHost.ExeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\OneSettings\WSD\SetupPlatform\Settings
Operation:writeName:ALLOWMIGRATIONRETRY
Value:
TRUE
(PID) Process:(2748) SetupHost.ExeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\OneSettings\WSD\SetupPlatform\Settings
Operation:writeName:SKIPBOOTFIRST
Value:
TRUE
Executable files
21
Suspicious files
1
Text files
5
Unknown types
0

Dropped files

PID
Process
Filename
Type
2928MediaCreationToolW11.exeC:\$Windows.~WS\Sources\wpx.dllexecutable
MD5:491A113C26DF5137B90B15070F0C38EB
SHA256:A9DCFEE0D136D775F031E81B4102ED6D1235F827C5EE732EB295A0AB64538725
2928MediaCreationToolW11.exeC:\$Windows.~WS\Sources\unattend.dllexecutable
MD5:E6B5BDD9CA45434EF834BD1547E62810
SHA256:0A7E74E82E67F5F263213083FDDA50418E22A112D72E297C657869F7EB96F540
2928MediaCreationToolW11.exeC:\$Windows.~WS\Sources\Diager.dllexecutable
MD5:87C0F807DCDACE665802FB46B10EB9DD
SHA256:FBE45324EA15DB4023966C5FB54889C18F0E6BBD3355EE8F2DEC68F22CC4B5C0
2928MediaCreationToolW11.exeC:\$Windows.~WS\Sources\setupplatform.dllexecutable
MD5:679E221FA61C457E9E8925462D1E90AE
SHA256:6A54F31041635FD804C28DD893DD10069456EAEE23D8F94DC67707DFFD914974
2928MediaCreationToolW11.exeC:\$Windows.~WS\Sources\DU.dllexecutable
MD5:0055F7CFCDEE61ACE6C3A1E182E8EDAB
SHA256:D24EB3EA4ABE61953FB70A14E2E61BB5B2C1EF94A75AD73AC3F50BCCF1EDDCF6
2928MediaCreationToolW11.exeC:\$Windows.~WS\Sources\setupplatform.cfgtext
MD5:8B949355BB172F8A470A3E91F5C6F74A
SHA256:B227C0ECD96CA2071A5DF7615D66D48886243DE105B6C64C892BB291E06DEC40
2928MediaCreationToolW11.exeC:\$Windows.~WS\Sources\bcd.dllexecutable
MD5:96FEE2165688003EB3C551A3C38D857D
SHA256:A17C0B822DD6DD2A923AF44ED2EEC1187CDAE46394E003C855932CFC3A43CA06
2928MediaCreationToolW11.exeC:\$Windows.~WS\Sources\cpufms.initext
MD5:A0AD994D4DB52CF029EE10926568A6F0
SHA256:6773E756D8C6B88F87D7D3FBE3599A5CB4F24C98099E2A2F07E12FCDA8A7A357
2928MediaCreationToolW11.exeC:\$Windows.~WS\Sources\bootsvc.dllexecutable
MD5:D45FDC72BBA7DA9BE9F02883316BEC6E
SHA256:798EEA19359A14E23A0253ACFD48ED5B7AC0E995692EC283D5106A6E3FF835A2
2928MediaCreationToolW11.exeC:\$Windows.~WS\Sources\MediaSetupUIMgr.dllexecutable
MD5:24AB00AEC9CE52B27EAE4AA9BD9321D3
SHA256:40788B1B664D9290862187D1C236BE877DEE970769C51C3F5803311AA910FC22
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
2
TCP/UDP connections
5
DNS requests
4
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
—
—
HEAD
200
209.197.3.8:80
http://dl.delivery.mp.microsoft.com/filestreamingservice/files/4e727927-14f7-4042-9ba1-74eae896df78/22000.194.210913-1444.co_release_svc_refresh_CLIENTCONSUMER_RET_x64FRE_en-us.esd
US
—
—
whitelisted
—
—
GET
—
209.197.3.8:80
http://dl.delivery.mp.microsoft.com/filestreamingservice/files/4e727927-14f7-4042-9ba1-74eae896df78/22000.194.210913-1444.co_release_svc_refresh_CLIENTCONSUMER_RET_x64FRE_en-us.esd
US
—
—
whitelisted
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
2748
SetupHost.Exe
20.73.194.208:443
settings-win.data.microsoft.com
—
US
whitelisted
2748
SetupHost.Exe
104.111.242.51:443
go.microsoft.com
Akamai International B.V.
NL
unknown
—
—
209.197.3.8:80
dl.delivery.mp.microsoft.com
Highwinds Network Group, Inc.
US
whitelisted
2748
SetupHost.Exe
2.18.233.19:443
download.microsoft.com
Akamai International B.V.
—
whitelisted

DNS requests

Domain
IP
Reputation
settings-win.data.microsoft.com
  • 20.73.194.208
whitelisted
go.microsoft.com
  • 104.111.242.51
whitelisted
download.microsoft.com
  • 2.18.233.19
whitelisted
dl.delivery.mp.microsoft.com
  • 209.197.3.8
whitelisted

Threats

No threats detected
No debug info
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Reports
MediaCreationToolW11.exe