URL:

http://downloads.netstumbler.com/downloads/netstumblerinstaller_0_4_0.exe

Full analysis: https://app.any.run/tasks/ee16bb02-0761-43a8-9c11-8f075aacd503
Verdict: Malicious activity
Threats:

A loader is malicious software that infiltrates devices to deliver malicious payloads. This malware is capable of infecting victims’ computers, analyzing their system information, and installing other types of threats, such as trojans or stealers. Criminals usually deliver loaders through phishing emails and links by relying on social engineering to trick users into downloading and running their executables. Loaders employ advanced evasion and persistence tactics to avoid detection.

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Analysis date: November 07, 2018, 08:39:22
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
opendir
loader
Indicators:
MD5:

FAFD53A19941EFE83E3F2FB567AD4A6A

SHA1:

85835B7EAFC3DDC7EDFB3601D95FFF135F213A6D

SHA256:

FADC18C9CA6041212FF32DD77F4DD41114D5682FEFDC6EE3B73FDACAD9710489

SSDEEP:

3:N1KaKE4LoYHOXyTBXKoXIHOXKWgOXr+L4A:CazqpBaK6ogOXr+kA

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

    • Application was dropped or rewritten from another process

      • netstumblerinstaller_0_4_0[1].exe (PID: 4060)
      • netstumblerinstaller_0_4_0[1].exe (PID: 2568)
      • NetStumbler.exe (PID: 3880)

    • Downloads executable files from the Internet

      • iexplore.exe (PID: 1864)

    • Loads dropped or rewritten executable

      • NetStumbler.exe (PID: 3880)

  • SUSPICIOUS

    • Creates a software uninstall entry

      • netstumblerinstaller_0_4_0[1].exe (PID: 2568)

    • Creates files in the Windows directory

      • netstumblerinstaller_0_4_0[1].exe (PID: 2568)

    • Executable content was dropped or overwritten

      • netstumblerinstaller_0_4_0[1].exe (PID: 2568)
      • iexplore.exe (PID: 1864)
      • iexplore.exe (PID: 4080)

    • Reads internet explorer settings

      • hh.exe (PID: 3888)

    • Creates files in the program directory

      • netstumblerinstaller_0_4_0[1].exe (PID: 2568)

  • INFO

    • Application launched itself

      • iexplore.exe (PID: 4080)

    • Changes internet zones settings

      • iexplore.exe (PID: 4080)

    • Reads Internet Cache Settings

      • iexplore.exe (PID: 4080)
      • iexplore.exe (PID: 1864)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
39
Monitored processes
6
Malicious processes
4
Suspicious processes
0

Behavior graph

Click at the process to see the details
drop and start drop and start start iexplore.exe iexplore.exe netstumblerinstaller_0_4_0[1].exe no specs netstumblerinstaller_0_4_0[1].exe hh.exe no specs netstumbler.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
1864"C:\Program Files\Internet Explorer\iexplore.exe" SCODEF:4080 CREDAT:71937C:\Program Files\Internet Explorer\iexplore.exe
iexplore.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
LOW
Description:
Internet Explorer
Exit code:
0
Version:
8.00.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\program files\internet explorer\iexplore.exe
c:\systemroot\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
2568"C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\0UU90R59\netstumblerinstaller_0_4_0[1].exe" C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\0UU90R59\netstumblerinstaller_0_4_0[1].exe
iexplore.exe
User:
admin
Integrity Level:
HIGH
Exit code:
0
Modules
Images
c:\users\admin\appdata\local\microsoft\windows\temporary internet files\content.ie5\0uu90r59\netstumblerinstaller_0_4_0[1].exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\winsxs\x86_microsoft.windows.common-controls_6595b64144ccf1df_6.0.7601.17514_none_41e6975e2bd6f2b2\comctl32.dll
c:\windows\system32\user32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\gdi32.dll
3880"C:\Program Files\Network Stumbler\NetStumbler.exe" C:\Program Files\Network Stumbler\NetStumbler.exe—explorer.exe
User:
admin
Integrity Level:
MEDIUM
Description:
Network Stumbler
Exit code:
0
Version:
0.4.0 build 554
Modules
Images
c:\program files\network stumbler\netstumbler.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\winmm.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
3888hh.exe "mk:@MSITStore:C:\Program Files\Network Stumbler\netstumbler.chm::/readme.html"C:\Windows\hh.exe—netstumblerinstaller_0_4_0[1].exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Microsoft® HTML Help Executable
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\hh.exe
c:\systemroot\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\apphelp.dll
c:\windows\system32\hhctrl.ocx
4060"C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\0UU90R59\netstumblerinstaller_0_4_0[1].exe" C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\0UU90R59\netstumblerinstaller_0_4_0[1].exe—iexplore.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
3221226540
Modules
Images
c:\users\admin\appdata\local\microsoft\windows\temporary internet files\content.ie5\0uu90r59\netstumblerinstaller_0_4_0[1].exe
c:\systemroot\system32\ntdll.dll
4080"C:\Program Files\Internet Explorer\iexplore.exe" -nohomeC:\Program Files\Internet Explorer\iexplore.exe
explorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Internet Explorer
Exit code:
1
Version:
8.00.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\program files\internet explorer\iexplore.exe
c:\systemroot\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
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
Total events
907
Read events
842
Write events
60
Delete events
5

Modification events

(PID) Process:(4080) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main
Operation:writeName:CompatibilityFlags
Value:
0
(PID) Process:(4080) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
0
(PID) Process:(4080) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
1
(PID) Process:(4080) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones
Operation:writeName:SecuritySafe
Value:
1
(PID) Process:(4080) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings
Operation:writeName:ProxyEnable
Value:
0
(PID) Process:(4080) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections
Operation:writeName:SavedLegacySettings
Value:
4600000069000000010000000000000000000000000000000000000000000000C0E333BBEAB1D301000000000000000000000000020000001700000000000000FE800000000000007D6CB050D9C573F70B000000000000006D00330032005C004D00530049004D004700330032002E0064006C000100000004AA400014AA4000040000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002000000C0A8016400000000000000000000000000000000000000000800000000000000805D3F00983740000008000002000000000000600000002060040000B8A94000020000008802000060040000B8A9400004000000F8010000B284000088B64000B84B400043003A000000000000000000000000000000000000000000
(PID) Process:(4080) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Recovery\Active
Operation:writeName:{B4F7357D-E268-11E8-BFAB-5254004AAD11}
Value:
0
(PID) Process:(4080) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Ext\Stats\{2670000A-7350-4F3C-8081-5663EE0C6C49}\iexplore
Operation:writeName:Type
Value:
4
(PID) Process:(4080) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Ext\Stats\{2670000A-7350-4F3C-8081-5663EE0C6C49}\iexplore
Operation:writeName:Count
Value:
3
(PID) Process:(4080) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Ext\Stats\{2670000A-7350-4F3C-8081-5663EE0C6C49}\iexplore
Operation:writeName:Time
Value:
E2070B0003000700080027003A00DE03
Executable files
8
Suspicious files
1
Text files
5
Unknown types
18

Dropped files

PID
Process
Filename
Type
4080iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\RB73MZ6Y\favicon[1].ico —
MD5:—
SHA256:—
4080iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\Internet Explorer\Services\search_{0633EE93-D776-472f-A0FF-E1416B8B2E3A}.ico —
MD5:—
SHA256:—
4080iexplore.exeC:\Users\admin\AppData\Local\Temp\~DF5D7CF6C37C537DB5.TMP —
MD5:—
SHA256:—
4080iexplore.exeC:\Users\admin\AppData\Local\Temp\~DFBF42238C2037231C.TMP —
MD5:—
SHA256:—
4080iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Internet Explorer\Recovery\Active\RecoveryStore.{B4F7357D-E268-11E8-BFAB-5254004AAD11}.dat —
MD5:—
SHA256:—
4080iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Internet Explorer\Recovery\Active\{B4F7357E-E268-11E8-BFAB-5254004AAD11}.datbinary
MD5:—
SHA256:—
4080iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\0UU90R59\netstumblerinstaller_0_4_0[1].exe:Zone.Identifiertext
MD5:FBCCF14D504B7B2DBCB5A5BDA75BD93B
SHA256:EACD09517CE90D34BA562171D15AC40D302F0E691B439F91BE1B6406E25F5913
4080iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Low\Content.IE5\OCDM6JB6\netstumblerinstaller_0_4_0[1].exe:Zone.Identifiertext
MD5:FBCCF14D504B7B2DBCB5A5BDA75BD93B
SHA256:EACD09517CE90D34BA562171D15AC40D302F0E691B439F91BE1B6406E25F5913
1864iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Low\Content.IE5\OCDM6JB6\netstumblerinstaller_0_4_0[1].exeexecutable
MD5:—
SHA256:—
2568netstumblerinstaller_0_4_0[1].exeC:\Users\admin\AppData\Local\Temp\nslFB64.tmp\modern-header.bmpimage
MD5:—
SHA256:—
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
2
TCP/UDP connections
2
DNS requests
2
Threats
1

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
1864
iexplore.exe
GET
200
208.113.186.88:80
http://downloads.netstumbler.com/downloads/netstumblerinstaller_0_4_0.exe
US
executable
1.26 Mb
suspicious
4080
iexplore.exe
GET
200
13.107.21.200:80
http://www.bing.com/favicon.ico
US
image
237 b
whitelisted
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
4080
iexplore.exe
13.107.21.200:80
www.bing.com
Microsoft Corporation
US
whitelisted
1864
iexplore.exe
208.113.186.88:80
downloads.netstumbler.com
New Dream Network, LLC
US
suspicious

DNS requests

Domain
IP
Reputation
downloads.netstumbler.com
  • 208.113.186.88
suspicious
www.bing.com
  • 13.107.21.200
  • 204.79.197.200
whitelisted

Threats

PID
Process
Class
Message
1864
iexplore.exe
Potential Corporate Privacy Violation
ET POLICY PE EXE or DLL Windows file download HTTP
No debug info
Interactive malware hunting service ANY.RUN
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Reports
http://downloads.netstumbler.com/downloads/netstumblerinstaller_0_4_0.exe