File name:

smss.exe

Full analysis: https://app.any.run/tasks/c1433dd9-375c-4e5a-b746-50373218d973
Verdict: Malicious activity
Analysis date: August 15, 2024, 18:07:48
OS: Windows 10 Professional (build: 19045, 64 bit)
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386, for MS Windows
MD5:

87D6D0122155041F3647ADE46D73BD80

SHA1:

EEDDA0FE8876E33BD5DB0A181758CACFBFF6557E

SHA256:

9864F54B953284B5BB0953FDF5C0C62298E0FC43600C7E4D77610BBA4FBD5792

SSDEEP:

6144:Q6VVVVVV7SdMrue1wfGpwbyj8MpgL3n2ES2LW4jiNsXZSurWTpNEspNEnTzDHTzq:Q6VVVVVV7SdDn3tP6dE8VVVVVVR

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

    • UAC/LUA settings modification

      • smss.exe (PID: 6520)
      • smss.exe (PID: 6552)

    • Changes the autorun value in the registry

      • smss.exe (PID: 6552)

  • SUSPICIOUS

    • Drops the executable file immediately after the start

      • smss.exe (PID: 6520)

    • Executable content was dropped or overwritten

      • smss.exe (PID: 6520)

    • Starts itself from another location

      • smss.exe (PID: 6520)

  • INFO

    • Create files in a temporary directory

      • smss.exe (PID: 6520)
      • smss.exe (PID: 6552)

    • Reads the computer name

      • smss.exe (PID: 6520)
      • smss.exe (PID: 6552)

    • Checks supported languages

      • smss.exe (PID: 6520)
      • smss.exe (PID: 6552)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.exe | Win32 Executable (generic) (52.7)
.exe | Generic Win/DOS Executable (23.4)
.exe | DOS Executable Generic (23.4)
.vxd | VXD Driver (0.3)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2006:03:02 01:50:18+00:00
ImageFileCharacteristics: No relocs, Executable, No line numbers, No symbols, 32-bit
PEType: PE32
LinkerVersion: 6
CodeSize: 495616
InitializedDataSize: 86016
UninitializedDataSize: -
EntryPoint: 0x3a7c
OSVersion: 4
ImageVersion: 8.1
SubsystemVersion: 4
Subsystem: Windows GUI
FileVersionNumber: 8.1.0.8
ProductVersionNumber: 8.1.0.8
FileFlagsMask: 0x0000
FileFlags: (none)
FileOS: Win32
ObjectFileType: Executable application
FileSubtype: -
LanguageCode: English (U.S.)
CharacterSet: Unicode
ProductName: z 3 r 0 _ x
FileVersion: 8.01.0008
ProductVersion: 8.01.0008
InternalName: Dosya Klasörü
OriginalFileName: Dosya Klasörü
No data.
screenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
131
Monitored processes
2
Malicious processes
2
Suspicious processes
0

Behavior graph

Click at the process to see the details
start smss.exe smss.exe

Process information

PID
CMD
Path
Indicators
Parent process
6520"C:\Users\admin\AppData\Local\Temp\smss.exe" C:\Users\admin\AppData\Local\Temp\smss.exe
explorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Version:
8.01.0008
Modules
Images
c:\users\admin\appdata\local\temp\smss.exe
c:\windows\system32\ntdll.dll
c:\windows\syswow64\ntdll.dll
c:\windows\system32\wow64.dll
c:\windows\system32\wow64win.dll
c:\windows\system32\wow64cpu.dll
c:\windows\syswow64\kernel32.dll
c:\windows\syswow64\kernelbase.dll
c:\windows\syswow64\apphelp.dll
c:\windows\syswow64\msvbvm60.dll
6552C:\WINDOW\System32\smss.exeC:\WINDOW\System32\smss.exe
smss.exe
User:
admin
Integrity Level:
MEDIUM
Version:
8.01.0008
Modules
Images
c:\window\system32\smss.exe
c:\windows\system32\ntdll.dll
c:\windows\syswow64\ntdll.dll
c:\windows\system32\wow64.dll
c:\windows\system32\wow64win.dll
c:\windows\system32\wow64cpu.dll
c:\windows\syswow64\kernel32.dll
c:\windows\syswow64\kernelbase.dll
c:\windows\syswow64\apphelp.dll
c:\windows\syswow64\msvbvm60.dll
Total events
207
Read events
174
Write events
33
Delete events
0

Modification events

(PID) Process:(6520) smss.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center
Operation:writeName:UACDisableNotify
Value:
0
(PID) Process:(6520) smss.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System
Operation:writeName:EnableLUA
Value:
0
(PID) Process:(6552) smss.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center
Operation:writeName:UACDisableNotify
Value:
0
(PID) Process:(6552) smss.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System
Operation:writeName:EnableLUA
Value:
0
(PID) Process:(6552) smss.exeKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Operation:writeName:smss
Value:
C:\WINDOW\System32\smss.exe
Executable files
1
Suspicious files
1
Text files
1
Unknown types
0

Dropped files

PID
Process
Filename
Type
6520smss.exeC:\Users\admin\AppData\Local\Temp\~DF80547978A779A541.TMPbinary
MD5:DF1FF12B9BC529D9323994E77F8D4B82
SHA256:C54141F4BBABAFCAA3B9CACDD8D40A891D14BEF7713FB7BBA1F36DE09A1BB6FD
6552smss.exeC:\WINDOW\System32\Declare.initext
MD5:F9117FA1DFEE4A0BD7E4F9278864320E
SHA256:9BBC9273E905D9D765B770D1AE737C5345272F7282255272383632247B841989
6520smss.exeC:\WINDOW\System32\smss.exeexecutable
MD5:87D6D0122155041F3647ADE46D73BD80
SHA256:9864F54B953284B5BB0953FDF5C0C62298E0FC43600C7E4D77610BBA4FBD5792
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
4
TCP/UDP connections
44
DNS requests
17
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
5336
SearchApp.exe
GET
200
192.229.221.95:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTrjrydRyt%2BApF3GSPypfHBxR5XtQQUs9tIpPmhxdiuNkHMEWNpYim8S8YCEAI5PUjXAkJafLQcAAsO18o%3D
unknown
—
—
whitelisted
2804
svchost.exe
GET
200
192.229.221.95:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D
unknown
—
—
whitelisted
6444
backgroundTaskHost.exe
GET
200
192.229.221.95:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAn5bsKVVV8kdJ6vHl3O1J0%3D
unknown
—
—
whitelisted
6396
backgroundTaskHost.exe
GET
200
192.229.221.95:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAn5bsKVVV8kdJ6vHl3O1J0%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
5180
svchost.exe
40.127.240.158:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
unknown
2120
MoUsoCoreWorker.exe
40.127.240.158:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
unknown
—
—
40.127.240.158:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
unknown
3888
svchost.exe
239.255.255.250:1900
—
—
—
whitelisted
4
System
192.168.100.255:138
—
—
—
whitelisted
5336
SearchApp.exe
2.23.209.187:443
www.bing.com
Akamai International B.V.
GB
unknown
3260
svchost.exe
40.115.3.253:443
client.wns.windows.com
MICROSOFT-CORP-MSN-AS-BLOCK
NL
whitelisted
2804
svchost.exe
40.126.32.133:443
login.live.com
MICROSOFT-CORP-MSN-AS-BLOCK
NL
unknown
5336
SearchApp.exe
192.229.221.95:80
ocsp.digicert.com
EDGECAST
US
whitelisted
2804
svchost.exe
192.229.221.95:80
ocsp.digicert.com
EDGECAST
US
whitelisted

DNS requests

Domain
IP
Reputation
settings-win.data.microsoft.com
  • 40.127.240.158
  • 20.73.194.208
  • 51.124.78.146
whitelisted
google.com
  • 216.58.206.78
whitelisted
www.bing.com
  • 2.23.209.187
  • 2.23.209.135
  • 2.23.209.179
  • 2.23.209.185
  • 2.23.209.189
  • 2.23.209.182
  • 2.23.209.181
  • 2.23.209.130
  • 2.23.209.133
  • 2.23.209.131
  • 2.23.209.183
  • 2.23.209.140
whitelisted
client.wns.windows.com
  • 40.115.3.253
whitelisted
ocsp.digicert.com
  • 192.229.221.95
whitelisted
login.live.com
  • 40.126.32.133
  • 40.126.32.68
  • 20.190.160.14
  • 20.190.160.20
  • 40.126.32.138
  • 40.126.32.140
  • 40.126.32.72
  • 40.126.32.76
whitelisted
th.bing.com
  • 2.23.209.185
  • 2.23.209.176
  • 2.23.209.175
  • 2.23.209.186
  • 2.23.209.182
  • 2.23.209.183
  • 2.23.209.181
  • 2.23.209.187
  • 2.23.209.171
whitelisted
arc.msn.com
  • 20.199.58.43
whitelisted
fd.api.iris.microsoft.com
  • 20.31.169.57
whitelisted
slscr.update.microsoft.com
  • 40.68.123.157
whitelisted

Threats

No threats detected
No debug info
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Reports
smss.exe