File name:

Update.exe

Full analysis: https://app.any.run/tasks/6e82410b-1f4f-43a2-bd51-0a5cd5179467
Verdict: Malicious activity
Analysis date: June 26, 2024, 13:17:45
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5:

17927E3240D3B0212A4B93C1D45F92B0

SHA1:

D86116C18A4A5D409D38F3FAB45F3DF83E289829

SHA256:

9A9F589DB0A8C6EF543AD6C85FAD3359C7CCCEF0D29EE76063F5B283A5ABB6F7

SSDEEP:

49152:Rli7w7HH+lZRsc/jfV8z5Lmo1ZojJDxn0YzKWysZ3j1OHJ:yAc/h8qo1ZQJlFKWyu1OHJ

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 the executable file immediately after the start

      • Update.exe (PID: 3380)

  • SUSPICIOUS

    • Process drops legitimate windows executable

      • Update.exe (PID: 3380)

    • Starts a Microsoft application from unusual location

      • Update.exe (PID: 3380)

    • Reads settings of System Certificates

      • Update.exe (PID: 3380)

    • Reads the Internet Settings

      • Update.exe (PID: 3380)

  • INFO

    • Checks supported languages

      • Update.exe (PID: 3380)
      • wmpnscfg.exe (PID: 3332)

    • Reads the computer name

      • Update.exe (PID: 3380)
      • wmpnscfg.exe (PID: 3332)

    • Create files in a temporary directory

      • Update.exe (PID: 3380)

    • Manual execution by a user

      • wmpnscfg.exe (PID: 3332)

    • Reads the machine GUID from the registry

      • Update.exe (PID: 3380)

    • Reads Environment values

      • Update.exe (PID: 3380)

    • Reads Microsoft Office registry keys

      • Update.exe (PID: 3380)

    • Disables trace logs

      • Update.exe (PID: 3380)

    • Reads the software policy settings

      • Update.exe (PID: 3380)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.exe | InstallShield setup (50.1)
.exe | Win64 Executable (generic) (32.2)
.dll | Win32 Dynamic Link Library (generic) (7.6)
.exe | Win32 Executable (generic) (5.2)
.exe | Generic Win/DOS Executable (2.3)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2024:01:18 20:17:57+00:00
ImageFileCharacteristics: Executable, 32-bit
PEType: PE32
LinkerVersion: 8
CodeSize: 2386432
InitializedDataSize: 176640
UninitializedDataSize: -
EntryPoint: 0x24891e
OSVersion: 4
ImageVersion: -
SubsystemVersion: 4
Subsystem: Windows GUI
FileVersionNumber: 3.3.13.0
ProductVersionNumber: 3.3.13.0
FileFlagsMask: 0x003f
FileFlags: (none)
FileOS: Win32
ObjectFileType: Executable application
FileSubtype: -
LanguageCode: Neutral
CharacterSet: Unicode
Comments: Microsoft Teams classic
CompanyName: Microsoft Corporation
FileDescription: Microsoft Teams classic
FileVersion: 3.3.13.0
InternalName: Update.exe
LegalCopyright: Microsoft Corporation
LegalTrademarks: -
OriginalFileName: Update.exe
ProductName: Microsoft Teams
ProductVersion: 3.3.13.0
AssemblyVersion: 3.3.13.0
No data.
screenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
40
Monitored processes
2
Malicious processes
1
Suspicious processes
0

Behavior graph

Click at the process to see the details
start update.exe wmpnscfg.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
3332"C:\Program Files\Windows Media Player\wmpnscfg.exe"C:\Program Files\Windows Media Player\wmpnscfg.exe—explorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Media Player Network Sharing Service Configuration Application
Exit code:
0
Version:
12.0.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\program files\windows media player\wmpnscfg.exe
c:\windows\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\sechost.dll
c:\windows\system32\rpcrt4.dll
3380"C:\Users\admin\AppData\Local\Temp\Update.exe" C:\Users\admin\AppData\Local\Temp\Update.exe
explorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Microsoft Teams classic
Exit code:
4294967295
Version:
3.3.13.0
Modules
Images
c:\users\admin\appdata\local\temp\update.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
Total events
4 402
Read events
4 376
Write events
26
Delete events
0

Modification events

(PID) Process:(3380) Update.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Update_RASAPI32
Operation:writeName:EnableFileTracing
Value:
0
(PID) Process:(3380) Update.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Update_RASAPI32
Operation:writeName:EnableConsoleTracing
Value:
0
(PID) Process:(3380) Update.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Update_RASAPI32
Operation:writeName:FileTracingMask
Value:
(PID) Process:(3380) Update.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Update_RASAPI32
Operation:writeName:ConsoleTracingMask
Value:
(PID) Process:(3380) Update.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Update_RASAPI32
Operation:writeName:MaxFileSize
Value:
1048576
(PID) Process:(3380) Update.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Update_RASAPI32
Operation:writeName:FileDirectory
Value:
%windir%\tracing
(PID) Process:(3380) Update.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Update_RASMANCS
Operation:writeName:EnableFileTracing
Value:
0
(PID) Process:(3380) Update.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Update_RASMANCS
Operation:writeName:EnableConsoleTracing
Value:
0
(PID) Process:(3380) Update.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Update_RASMANCS
Operation:writeName:FileTracingMask
Value:
(PID) Process:(3380) Update.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Update_RASMANCS
Operation:writeName:ConsoleTracingMask
Value:
Executable files
0
Suspicious files
0
Text files
1
Unknown types
0

Dropped files

PID
Process
Filename
Type
3380Update.exeC:\Users\admin\AppData\Local\Temp\SquirrelSetup.logtext
MD5:5A8DDFEB15DB394CFE99E48D7309567B
SHA256:648D6BF6E6AE2F2DAED16ABD9AD3E827066D4B13C6F8DCD26EC3CF277256BBE8
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
4
TCP/UDP connections
13
DNS requests
6
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
1372
svchost.exe
GET
304
199.232.210.172:80
http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/disallowedcertstl.cab?33775f6043c93e33
unknown
—
—
unknown
1060
svchost.exe
GET
304
199.232.214.172:80
http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/disallowedcertstl.cab?fbe613066ac7852b
unknown
—
—
unknown
1372
svchost.exe
GET
200
23.35.229.160:80
http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl
unknown
—
—
unknown
1372
svchost.exe
GET
200
23.48.23.143:80
http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl
unknown
—
—
unknown
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
1060
svchost.exe
224.0.0.252:5355
—
—
—
unknown
4
System
192.168.100.255:137
—
—
—
whitelisted
1372
svchost.exe
40.127.240.158:443
—
MICROSOFT-CORP-MSN-AS-BLOCK
IE
unknown
2564
svchost.exe
239.255.255.250:3702
—
—
—
whitelisted
4
System
192.168.100.255:138
—
—
—
whitelisted
3380
Update.exe
20.189.173.3:443
mobile.pipe.aria.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
US
unknown
1372
svchost.exe
51.104.136.2:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
1372
svchost.exe
199.232.210.172:80
ctldl.windowsupdate.com
FASTLY
US
unknown
1372
svchost.exe
23.48.23.143:80
crl.microsoft.com
Akamai International B.V.
DE
unknown
1372
svchost.exe
23.35.229.160:80
www.microsoft.com
AKAMAI-AS
DE
whitelisted

DNS requests

Domain
IP
Reputation
mobile.pipe.aria.microsoft.com
  • 20.189.173.3
whitelisted
settings-win.data.microsoft.com
  • 51.104.136.2
whitelisted
ctldl.windowsupdate.com
  • 199.232.210.172
  • 199.232.214.172
whitelisted
crl.microsoft.com
  • 23.48.23.143
  • 23.48.23.156
whitelisted
www.microsoft.com
  • 23.35.229.160
whitelisted

Threats

No threats detected
Process
Message
Update.exe
Update.exe Information: 0 :
Update.exe
Starting TelemetryManager constructor
Update.exe
Update.exe Information: 0 :
Update.exe
TelemetryManagerImpl creation started
Update.exe
Update.exe Information: 0 :
Update.exe
Performance counters are disabled. Skipping creation of counters category.
Update.exe
Update.exe Information: 0 :
Update.exe
RecordBatcherTask with ID 4 started.
Update.exe
Update.exe Information: 0 :
Update.exe
DataPackageSender with UserAgent name: AST-exe-C#, version: 3.3.13.0, [Ast_Default_Source]
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Reports
Update.exe