File name:

windowsnetservicehelper-1.1.21bt2.exe.NULL

Full analysis: https://app.any.run/tasks/574f7d1a-2b3e-4417-a31b-727ffbbe7a40
Verdict: Malicious activity
Analysis date: November 01, 2022, 04:38:29
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, Nullsoft Installer self-extracting archive
MD5:

455D41020B4A6D23F594D98E1AE80775

SHA1:

ED33649CF74FF162E19D1FFA6793A76BDCE49525

SHA256:

2535C027E98C8B83C9DA56C45354099D30445DB935B71B38609B93E7CFB5C7F7

SSDEEP:

196608:Sqzwr5QLUbwOydkc/XQAqNA+0pDrAuOYEPY2+aV:ytiJJqBKOrPv+O

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

    • Starts NET.EXE for service management

      • nsF53D.tmp (PID: 3272)

    • Drops the executable file immediately after the start

      • windowsnetservicehelper-1.1.21bt2.exe.NULL.exe (PID: 336)

    • Loads dropped or rewritten executable

      • windowsnetservicehelper-1.1.21bt2.exe.NULL.exe (PID: 336)

    • Application was dropped or rewritten from another process

      • windowsnetservicehelper.exe (PID: 3472)
      • windowsnetservicehelper.exe (PID: 3556)
      • windowsnetservicehelper.exe (PID: 3972)
      • node.exe (PID: 2412)
      • node.exe (PID: 3484)
      • windowsnetservicehelper.exe (PID: 3672)

  • SUSPICIOUS

    • Starts application with an unusual extension

      • windowsnetservicehelper-1.1.21bt2.exe.NULL.exe (PID: 336)

    • Starts SC.EXE for service management

      • nsF697.tmp (PID: 3380)

    • Uses TASKKILL.EXE to kill process

      • nsF5BB.tmp (PID: 2888)

    • Creates a directory in Program Files

      • windowsnetservicehelper-1.1.21bt2.exe.NULL.exe (PID: 336)

    • Executable content was dropped or overwritten

      • windowsnetservicehelper-1.1.21bt2.exe.NULL.exe (PID: 336)

    • Reads Microsoft Outlook installation path

      • mmc.exe (PID: 3592)

    • Uses WMIC.EXE to obtain a system information

      • node.exe (PID: 2412)
      • node.exe (PID: 3484)

    • Executes as Windows Service

      • windowsnetservicehelper.exe (PID: 3972)
      • windowsnetservicehelper.exe (PID: 3672)

    • Reads Internet Explorer settings

      • mmc.exe (PID: 3592)

  • INFO

    • Process checks LSA protection

      • windowsnetservicehelper-1.1.21bt2.exe.NULL.exe (PID: 336)
      • node.exe (PID: 2412)
      • node.exe (PID: 3484)

    • Checks supported languages

      • nsF5BB.tmp (PID: 2888)
      • windowsnetservicehelper-1.1.21bt2.exe.NULL.exe (PID: 336)
      • nsF53D.tmp (PID: 3272)
      • nsF697.tmp (PID: 3380)
      • nsFE78.tmp (PID: 3700)
      • nsFEE6.tmp (PID: 2604)
      • windowsnetservicehelper.exe (PID: 3472)
      • node.exe (PID: 2412)
      • windowsnetservicehelper.exe (PID: 3972)
      • windowsnetservicehelper.exe (PID: 3556)
      • node.exe (PID: 3484)
      • windowsnetservicehelper.exe (PID: 3672)

    • Reads the computer name

      • windowsnetservicehelper-1.1.21bt2.exe.NULL.exe (PID: 336)
      • windowsnetservicehelper.exe (PID: 3472)
      • windowsnetservicehelper.exe (PID: 3972)
      • windowsnetservicehelper.exe (PID: 3556)
      • node.exe (PID: 2412)
      • node.exe (PID: 3484)
      • windowsnetservicehelper.exe (PID: 3672)

    • Creates a file in a temporary directory

      • windowsnetservicehelper-1.1.21bt2.exe.NULL.exe (PID: 336)

    • Creates files in the program directory

      • windowsnetservicehelper-1.1.21bt2.exe.NULL.exe (PID: 336)
      • windowsnetservicehelper.exe (PID: 3972)
      • windowsnetservicehelper.exe (PID: 3672)

    • Reads Environment values

      • node.exe (PID: 2412)
      • node.exe (PID: 3484)

    • Reads product name

      • node.exe (PID: 2412)
      • node.exe (PID: 3484)

    • Process checks SAM and SYSTEM backups

      • node.exe (PID: 2412)
      • node.exe (PID: 3484)

    • Manual execution by user

      • mmc.exe (PID: 3592)
      • mmc.exe (PID: 3028)
      • explorer.exe (PID: 3340)
      • NOTEPAD.EXE (PID: 2176)
      • NOTEPAD.EXE (PID: 704)
      • NOTEPAD.EXE (PID: 3072)
      • NOTEPAD.EXE (PID: 3340)
      • control.exe (PID: 1308)

    • Reads security settings of Internet Explorer

      • mmc.exe (PID: 3592)
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)

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 2018-Dec-15 22:26:01
Detected languages:
  • English - United States

DOS Header

e_magic: MZ
e_cblp: 144
e_cp: 3
e_crlc: -
e_cparhdr: 4
e_minalloc: -
e_maxalloc: 65535
e_ss: -
e_sp: 184
e_csum: -
e_ip: -
e_cs: -
e_ovno: -
e_oemid: -
e_oeminfo: -
e_lfanew: 216

PE Headers

Signature: PE
Machine: IMAGE_FILE_MACHINE_I386
NumberofSections: 5
TimeDateStamp: 2018-Dec-15 22:26:01
PointerToSymbolTable: -
NumberOfSymbols: -
SizeOfOptionalHeader: 224
Characteristics:
  • IMAGE_FILE_32BIT_MACHINE
  • IMAGE_FILE_EXECUTABLE_IMAGE
  • IMAGE_FILE_LINE_NUMS_STRIPPED
  • IMAGE_FILE_LOCAL_SYMS_STRIPPED
  • IMAGE_FILE_RELOCS_STRIPPED

Sections

Name
Virtual Address
Virtual Size
Raw Size
Charateristics
Entropy
.text
4096
25609
26112
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
6.40783
.rdata
32768
5014
5120
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
5.15491
.data
40960
418648
1536
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
4.00056
.ndata
462848
524288
0
IMAGE_SCN_CNT_UNINITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
.rsrc
987136
2656
3072
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
4.20099

Resources

Title
Entropy
Size
Codepage
Language
Type
1
3.50665
744
UNKNOWN
English - United States
RT_ICON
103
2.16096
20
UNKNOWN
English - United States
RT_GROUP_ICON
105
2.66174
256
UNKNOWN
English - United States
RT_DIALOG
106
2.88094
284
UNKNOWN
English - United States
RT_DIALOG
111
2.48825
96
UNKNOWN
English - United States
RT_DIALOG
1 (#2)
5.28733
841
UNKNOWN
English - United States
RT_MANIFEST

Imports

ADVAPI32.dll
COMCTL32.dll
GDI32.dll
KERNEL32.dll
SHELL32.dll
USER32.dll
ole32.dll
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
88
Monitored processes
31
Malicious processes
4
Suspicious processes
1

Behavior graph

Click at the process to see the details
start windowsnetservicehelper-1.1.21bt2.exe.null.exe nsf53d.tmp no specs net.exe no specs net1.exe no specs nsf5bb.tmp no specs taskkill.exe no specs nsf697.tmp no specs sc.exe no specs nsfe78.tmp no specs windowsnetservicehelper.exe no specs nsfee6.tmp no specs windowsnetservicehelper.exe no specs windowsnetservicehelper.exe no specs node.exe wmic.exe no specs wmic.exe no specs mmc.exe no specs mmc.exe windowsnetservicehelper.exe no specs node.exe wmic.exe no specs wmic.exe no specs explorer.exe no specs notepad.exe no specs notepad.exe no specs notepad.exe no specs notepad.exe no specs control.exe no specs rundll32.exe no specs timedate.cpl no specs windowsnetservicehelper-1.1.21bt2.exe.null.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
336"C:\Users\admin\Desktop\windowsnetservicehelper-1.1.21bt2.exe.NULL.exe" C:\Users\admin\Desktop\windowsnetservicehelper-1.1.21bt2.exe.NULL.exe
Explorer.EXE
User:
admin
Integrity Level:
HIGH
Exit code:
0
Modules
Images
c:\users\admin\desktop\windowsnetservicehelper-1.1.21bt2.exe.null.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\shell32.dll
400"sc" delete windowsnetservicehelper.exeC:\Windows\system32\sc.exe—nsF697.tmp
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
A tool to aid in developing services for WindowsNT
Exit code:
1060
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\sc.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
680C:\Windows\system32\DllHost.exe /Processid:{9DF523B0-A6C0-4EA9-B5F1-F4565C3AC8B8}C:\Windows\system32\DllHost.exe—svchost.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
COM Surrogate
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\dllhost.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\ole32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
704"C:\Windows\system32\NOTEPAD.EXE" C:\Program Files\WindowsNetService\smlog.prev.txtC:\Windows\system32\NOTEPAD.EXE—Explorer.EXE
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Notepad
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\notepad.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
1076"C:\Users\admin\Desktop\windowsnetservicehelper-1.1.21bt2.exe.NULL.exe" C:\Users\admin\Desktop\windowsnetservicehelper-1.1.21bt2.exe.NULL.exe—Explorer.EXE
User:
admin
Integrity Level:
MEDIUM
Exit code:
3221226540
Modules
Images
c:\users\admin\desktop\windowsnetservicehelper-1.1.21bt2.exe.null.exe
c:\windows\system32\ntdll.dll
1208wmic path Win32_NetworkAdapter where Index=7 get NetConnectionID,MACAddress /format:tableC:\Windows\System32\Wbem\wmic.exe—node.exe
User:
SYSTEM
Company:
Microsoft Corporation
Integrity Level:
SYSTEM
Description:
WMI Commandline Utility
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\wbem\wmic.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\ole32.dll
c:\windows\system32\gdi32.dll
1308"C:\Windows\System32\control.exe" "C:\Windows\system32\timedate.cpl",C:\Windows\System32\control.exe—Explorer.EXE
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Control Panel
Exit code:
1
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\control.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\user32.dll
c:\windows\system32\gdi32.dll
1320wmic path Win32_NetworkAdapterConfiguration where IPEnabled=true get DefaultIPGateway,GatewayCostMetric,IPConnectionMetric,Index /format:tableC:\Windows\System32\Wbem\wmic.exe—node.exe
User:
SYSTEM
Company:
Microsoft Corporation
Integrity Level:
SYSTEM
Description:
WMI Commandline Utility
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\wbem\wmic.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\ole32.dll
2176"C:\Windows\system32\NOTEPAD.EXE" C:\Program Files\WindowsNetService\smlog.txtC:\Windows\system32\NOTEPAD.EXE—Explorer.EXE
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Notepad
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\notepad.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
2412"C:\Program Files\WindowsNetService\node.exe" "C:\Program Files\WindowsNetService\service.js"C:\Program Files\WindowsNetService\node.exe
windowsnetservicehelper.exe
User:
SYSTEM
Company:
Node.js
Integrity Level:
SYSTEM
Description:
Node.js: Server-side JavaScript
Exit code:
3221225786
Version:
12.22.12
Modules
Images
c:\windows\system32\ntdll.dll
c:\program files\windowsnetservice\node.exe
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\crypt32.dll
c:\windows\system32\bcrypt.dll
Total events
1 767
Read events
1 746
Write events
21
Delete events
0

Modification events

(PID) Process:(3592) mmc.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:ProxyBypass
Value:
1
(PID) Process:(3592) mmc.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:IntranetName
Value:
1
(PID) Process:(3592) mmc.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
1
(PID) Process:(3592) mmc.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
0
(PID) Process:(3592) mmc.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content
Operation:writeName:CachePrefix
Value:
(PID) Process:(3592) mmc.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies
Operation:writeName:CachePrefix
Value:
Cookie:
(PID) Process:(3592) mmc.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History
Operation:writeName:CachePrefix
Value:
Visited:
(PID) Process:(3592) mmc.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\16C\52C64B7E
Operation:writeName:LanguageList
Value:
en-US
(PID) Process:(1308) control.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:ProxyBypass
Value:
1
(PID) Process:(1308) control.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:IntranetName
Value:
1
Executable files
8
Suspicious files
2
Text files
3
Unknown types
0

Dropped files

PID
Process
Filename
Type
336windowsnetservicehelper-1.1.21bt2.exe.NULL.exeC:\Program Files\WindowsNetService\status.dat —
MD5:—
SHA256:—
336windowsnetservicehelper-1.1.21bt2.exe.NULL.exeC:\Users\admin\AppData\Local\Temp\nsvF51C.tmp —
MD5:—
SHA256:—
336windowsnetservicehelper-1.1.21bt2.exe.NULL.exeC:\Users\admin\AppData\Local\Temp\nslF52D.tmp\nsExec.dllexecutable
MD5:EC0504E6B8A11D5AAD43B296BEEB84B2
SHA256:5D9CEB1CE5F35AEA5F9E5A0C0EDEEEC04DFEFE0C77890C80C70E98209B58B962
3972windowsnetservicehelper.exeC:\Program Files\WindowsNetService\smlog.txtbinary
MD5:—
SHA256:—
3672windowsnetservicehelper.exeC:\Program Files\WindowsNetService\servicelog.prev.txttext
MD5:—
SHA256:—
3672windowsnetservicehelper.exeC:\Program Files\WindowsNetService\smlog.prev.txtbinary
MD5:—
SHA256:—
2412node.exeC:\Program Files\WindowsNetService\servicelog.txttext
MD5:—
SHA256:—
336windowsnetservicehelper-1.1.21bt2.exe.NULL.exeC:\Users\admin\AppData\Local\Temp\nslF52D.tmp\nsFEE6.tmpexecutable
MD5:EC0504E6B8A11D5AAD43B296BEEB84B2
SHA256:5D9CEB1CE5F35AEA5F9E5A0C0EDEEEC04DFEFE0C77890C80C70E98209B58B962
336windowsnetservicehelper-1.1.21bt2.exe.NULL.exeC:\Program Files\WindowsNetService\node.exeexecutable
MD5:5F40521D2E1082FE1C734610C4A83911
SHA256:79AC7AE94231A392D27F303418E305A60C4194DBBE143C5DEFFC977C7B2E7A78
336windowsnetservicehelper-1.1.21bt2.exe.NULL.exeC:\Program Files\WindowsNetService\windowsnetservicehelper.exeexecutable
MD5:71363311A899A137B18015888254DECD
SHA256:298E654799DE64E5064D986223E7F08D75527FE528D750B325855CB0C2FEBAAA
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
4
TCP/UDP connections
4
DNS requests
1
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
2412
node.exe
GET
101
142.93.96.73:6101
http://register.starhome.io:6101/strvn
CA
—
—
unknown
3484
node.exe
GET
101
142.93.96.73:6101
http://register.starhome.io:6101/strvn
CA
—
—
unknown
—
—
GET
101
142.93.96.73:6101
http://register.starhome.io:6101/strvn
CA
—
—
unknown
—
—
GET
101
142.93.96.73:6101
http://register.starhome.io:6101/strvn
CA
—
—
unknown
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
2412
node.exe
142.93.96.73:6101
register.starhome.io
DIGITALOCEAN-ASN
DE
unknown
3484
node.exe
142.93.96.73:6101
register.starhome.io
DIGITALOCEAN-ASN
DE
unknown
—
—
142.93.96.73:6101
register.starhome.io
DIGITALOCEAN-ASN
DE
unknown

DNS requests

Domain
IP
Reputation
register.starhome.io
  • 142.93.96.73
unknown

Threats

No threats detected
No debug info
Interactive malware hunting service ANY.RUN
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ANY.RUN
Reports
windowsnetservicehelper-1.1.21bt2.exe.NULL