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File name:

PFPortChecker.exe

Full analysis: https://app.any.run/tasks/780c4d0b-d21c-42b4-927c-03380a5241c1
Verdict: Malicious activity
Analysis date: March 14, 2019, 10:28:23
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
installer
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386, for MS Windows, Nullsoft Installer self-extracting archive
MD5:

20C85C4D158097634816C0EC342139A2

SHA1:

491E2B79072890B6E193585D21DB40588787A480

SHA256:

3FE77A676479A75DD2EF25705CEC70FD06F62C9CCC29E16B3180DCB63E330BB4

SSDEEP:

49152:8SsXGVQDCv9f63SXV02Xb4tx6oi1Kdfvi/knzeiN:IG+uR63S8x6vodfvpzRN

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

    • Loads dropped or rewritten executable

      • PFPortChecker.exe (PID: 4080)

    • Application was dropped or rewritten from another process

      • AskInstallChecker-1.1.0.0.exe (PID: 2444)
      • askToolbarInstaller-1.5.0.0.exe (PID: 2796)
      • NEW8EFE.tmp.exe (PID: 2248)
      • JSXPCOMInstaller.exe (PID: 2916)
      • askHomePage.exe (PID: 2748)
      • Processor64Bit.exe (PID: 2832)
      • AskPartnerCobrandingTool.exe (PID: 4052)
      • TaskScheduler.exe (PID: 3656)

    • Loads the Task Scheduler COM API

      • TaskScheduler.exe (PID: 3656)

  • SUSPICIOUS

    • Executable content was dropped or overwritten

      • PFPortChecker.exe (PID: 4080)
      • askToolbarInstaller-1.5.0.0.exe (PID: 2796)
      • NEW8EFE.tmp.exe (PID: 2248)
      • MsiExec.exe (PID: 3476)
      • msiexec.exe (PID: 2460)

    • Starts Microsoft Installer

      • NEW8EFE.tmp.exe (PID: 2248)

    • Creates files in the Windows directory

      • PFPortChecker.exe (PID: 4080)

    • Creates a software uninstall entry

      • PFPortChecker.exe (PID: 4080)

    • Creates files in the user directory

      • PFPortChecker.exe (PID: 4080)

    • Changes the started page of IE

      • askHomePage.exe (PID: 2748)

    • Creates files in the program directory

      • PFPortChecker.exe (PID: 4080)

    • Creates COM task schedule object

      • MsiExec.exe (PID: 3000)

  • INFO

    • Application launched itself

      • msiexec.exe (PID: 2460)

    • Starts application with an unusual extension

      • msiexec.exe (PID: 2460)

    • Loads dropped or rewritten executable

      • MsiExec.exe (PID: 3000)

    • Application was dropped or rewritten from another process

      • MSI97CA.tmp (PID: 2328)

    • Creates files in the program directory

      • msiexec.exe (PID: 2460)

    • Creates a software uninstall entry

      • msiexec.exe (PID: 2460)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.exe | NSIS - Nullsoft Scriptable Install System (94.8)
.exe | Win32 Executable MS Visual C++ (generic) (3.4)
.dll | Win32 Dynamic Link Library (generic) (0.7)
.exe | Win32 Executable (generic) (0.5)
.exe | Generic Win/DOS Executable (0.2)

EXIF

EXE

Subsystem: Windows GUI
SubsystemVersion: 4
ImageVersion: 6.1
OSVersion: 4
EntryPoint: 0x323c
UninitializedDataSize: 1024
InitializedDataSize: 119808
CodeSize: 23552
LinkerVersion: 6
PEType: PE32
TimeStamp: 2009:06:06 23:41:54+02:00
MachineType: Intel 386 or later, and compatibles

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 06-Jun-2009 21:41:54
Detected languages:
  • English - United States

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: 0x000000D8

PE Headers

Signature: PE
Machine: IMAGE_FILE_MACHINE_I386
Number of sections: 5
Time date stamp: 06-Jun-2009 21:41:54
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_LINE_NUMS_STRIPPED
  • IMAGE_FILE_LOCAL_SYMS_STRIPPED
  • IMAGE_FILE_RELOCS_STRIPPED

Sections

Name
Virtual Address
Virtual Size
Raw Size
Charateristics
Entropy
.text
0x00001000
0x00005A5A
0x00005C00
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
6.4177
.rdata
0x00007000
0x00001190
0x00001200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
5.18163
.data
0x00009000
0x0001AF98
0x00000400
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
4.70903
.ndata
0x00024000
0x00017000
0x00000000
IMAGE_SCN_CNT_UNINITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
0
.rsrc
0x0003B000
0x000042D8
0x00004400
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
5.90403

Resources

Title
Entropy
Size
Codepage
Language
Type
1
5.21446
958
UNKNOWN
English - United States
RT_MANIFEST
2
5.9993
3752
UNKNOWN
English - United States
RT_ICON
3
6.24459
2216
UNKNOWN
English - United States
RT_ICON
4
5.01502
1384
UNKNOWN
English - United States
RT_ICON
5
6.16057
1128
UNKNOWN
English - United States
RT_ICON
6
3.34146
744
UNKNOWN
English - United States
RT_ICON
7
3.04232
296
UNKNOWN
English - United States
RT_ICON
102
2.71813
180
UNKNOWN
English - United States
RT_DIALOG
103
2.6691
104
UNKNOWN
English - United States
RT_GROUP_ICON
105
2.73893
514
UNKNOWN
English - United States
RT_DIALOG

Imports

ADVAPI32.dll
COMCTL32.dll
GDI32.dll
KERNEL32.dll
SHELL32.dll
USER32.dll
VERSION.dll
ole32.dll
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
51
Monitored processes
15
Malicious processes
1
Suspicious processes
1

Behavior graph

Click at the process to see the details
drop and start drop and start start drop and start drop and start drop and start drop and start drop and start drop and start drop and start pfportchecker.exe no specs pfportchecker.exe askinstallchecker-1.1.0.0.exe asktoolbarinstaller-1.5.0.0.exe new8efe.tmp.exe msiexec.exe no specs msiexec.exe msiexec.exe processor64bit.exe no specs askhomepage.exe jsxpcominstaller.exe no specs msi97ca.tmp no specs msiexec.exe no specs askpartnercobrandingtool.exe taskscheduler.exe

Process information

PID
CMD
Path
Indicators
Parent process
3636"C:\Users\admin\AppData\Local\Temp\PFPortChecker.exe" C:\Users\admin\AppData\Local\Temp\PFPortChecker.exe—explorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
3221226540
Modules
Images
c:\users\admin\appdata\local\temp\pfportchecker.exe
c:\systemroot\system32\ntdll.dll
4080"C:\Users\admin\AppData\Local\Temp\PFPortChecker.exe" C:\Users\admin\AppData\Local\Temp\PFPortChecker.exe
explorer.exe
User:
admin
Integrity Level:
HIGH
Exit code:
0
Modules
Images
c:\users\admin\appdata\local\temp\pfportchecker.exe
c:\systemroot\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
2444"C:\Users\admin\AppData\Local\Temp\nsgE40A.tmp\AskInstallChecker-1.1.0.0.exe" PFC:\Users\admin\AppData\Local\Temp\nsgE40A.tmp\AskInstallChecker-1.1.0.0.exe
PFPortChecker.exe
User:
admin
Company:
Ask.com
Integrity Level:
HIGH
Description:
Ask Install Checker
Exit code:
0
Version:
1,1,0,0
Modules
Images
c:\users\admin\appdata\local\temp\nsge40a.tmp\askinstallchecker-1.1.0.0.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\wininet.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\shlwapi.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
c:\windows\system32\lpk.dll
2796"C:\Users\admin\AppData\Local\Temp\nsgE40A.tmp\askToolbarInstaller-1.5.0.0.exe" /tbr /sa /hpr /verysilent toolbar=PFC:\Users\admin\AppData\Local\Temp\nsgE40A.tmp\askToolbarInstaller-1.5.0.0.exe
PFPortChecker.exe
User:
admin
Company:
Ask.com
Integrity Level:
HIGH
Description:
wrapper Application
Exit code:
0
Version:
15, 0, 0, 498
Modules
Images
c:\users\admin\appdata\local\temp\nsge40a.tmp\asktoolbarinstaller-1.5.0.0.exe
c:\systemroot\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\advapi32.dll
2248"C:\Users\admin\AppData\Local\Temp\NEW8EFE.tmp.exe" /s /v"PARTNER=PF /qn"C:\Users\admin\AppData\Local\Temp\NEW8EFE.tmp.exe
askToolbarInstaller-1.5.0.0.exe
User:
admin
Company:
Ask.com
Integrity Level:
HIGH
Description:
Setup Launcher
Exit code:
0
Version:
1.5.0.0
Modules
Images
c:\users\admin\appdata\local\temp\new8efe.tmp.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\version.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\shell32.dll
c:\windows\system32\shlwapi.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
596MSIEXEC.EXE /i "C:\Users\admin\AppData\Local\Temp\{2B666535-06D6-4BCA-A9FC-4195BB54EB3C}\Ask Toolbar.msi" /L*vx C:\Users\admin\AppData\Local\Temp\ASKSUTBLOG PARTNER=PF /qn TRANSFORMS="C:\Users\admin\AppData\Local\Temp\{2B666535-06D6-4BCA-A9FC-4195BB54EB3C}\1033.MST" SETUPEXEDIR="C:\Users\admin\AppData\Local\Temp" SETUPEXENAME="NEW8EFE.tmp.exe"C:\Windows\system32\MSIEXEC.EXE—NEW8EFE.tmp.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Windows® installer
Exit code:
0
Version:
5.0.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\msiexec.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\user32.dll
c:\windows\system32\gdi32.dll
2460C:\Windows\system32\msiexec.exe /VC:\Windows\system32\msiexec.exe
services.exe
User:
SYSTEM
Company:
Microsoft Corporation
Integrity Level:
SYSTEM
Description:
Windows® installer
Version:
5.0.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\msiexec.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\user32.dll
c:\windows\system32\gdi32.dll
3476C:\Windows\system32\MsiExec.exe -Embedding 43A03885179FD9DF7D96E1DFBB2976F8C:\Windows\system32\MsiExec.exe
msiexec.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Windows® installer
Exit code:
0
Version:
5.0.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\msiexec.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\user32.dll
c:\windows\system32\gdi32.dll
2832"C:\Users\admin\AppData\Local\Temp\{86D4B82A-ABED-442A-BE86-96357B70F4FE}\Processor64Bit.exe" C:\Users\admin\AppData\Local\Temp\{86D4B82A-ABED-442A-BE86-96357B70F4FE}\Processor64Bit.exe—MsiExec.exe
User:
admin
Company:
Ask.com
Integrity Level:
HIGH
Description:
Check Processor Architecture is 64 bit
Exit code:
4294967295
Version:
1, 0, 0, 1
Modules
Images
c:\users\admin\appdata\local\temp\{86d4b82a-abed-442a-be86-96357b70f4fe}\processor64bit.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\user32.dll
c:\windows\system32\usp10.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\imm32.dll
2748"C:\Users\admin\AppData\Local\Temp\{86D4B82A-ABED-442A-BE86-96357B70F4FE}\askHomePage.exe" PFC:\Users\admin\AppData\Local\Temp\{86D4B82A-ABED-442A-BE86-96357B70F4FE}\askHomePage.exe
MsiExec.exe
User:
admin
Company:
Ask.com
Integrity Level:
HIGH
Description:
Ask Home Page Reset for Internet Explorer
Exit code:
0
Version:
1,0,0,4
Modules
Images
c:\users\admin\appdata\local\temp\{86d4b82a-abed-442a-be86-96357b70f4fe}\askhomepage.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\wininet.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\shlwapi.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
c:\windows\system32\lpk.dll
Total events
1 615
Read events
1 279
Write events
320
Delete events
16

Modification events

(PID) Process:(2444) AskInstallChecker-1.1.0.0.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\AskInstallChecker-1_RASAPI32
Operation:writeName:EnableFileTracing
Value:
0
(PID) Process:(2444) AskInstallChecker-1.1.0.0.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\AskInstallChecker-1_RASAPI32
Operation:writeName:EnableConsoleTracing
Value:
0
(PID) Process:(2444) AskInstallChecker-1.1.0.0.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\AskInstallChecker-1_RASAPI32
Operation:writeName:FileTracingMask
Value:
4294901760
(PID) Process:(2444) AskInstallChecker-1.1.0.0.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\AskInstallChecker-1_RASAPI32
Operation:writeName:ConsoleTracingMask
Value:
4294901760
(PID) Process:(2444) AskInstallChecker-1.1.0.0.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\AskInstallChecker-1_RASAPI32
Operation:writeName:MaxFileSize
Value:
1048576
(PID) Process:(2444) AskInstallChecker-1.1.0.0.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\AskInstallChecker-1_RASAPI32
Operation:writeName:FileDirectory
Value:
%windir%\tracing
(PID) Process:(2444) AskInstallChecker-1.1.0.0.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\AskInstallChecker-1_RASMANCS
Operation:writeName:EnableFileTracing
Value:
0
(PID) Process:(2444) AskInstallChecker-1.1.0.0.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\AskInstallChecker-1_RASMANCS
Operation:writeName:EnableConsoleTracing
Value:
0
(PID) Process:(2444) AskInstallChecker-1.1.0.0.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\AskInstallChecker-1_RASMANCS
Operation:writeName:FileTracingMask
Value:
4294901760
(PID) Process:(2444) AskInstallChecker-1.1.0.0.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\AskInstallChecker-1_RASMANCS
Operation:writeName:ConsoleTracingMask
Value:
4294901760
Executable files
25
Suspicious files
3
Text files
141
Unknown types
9

Dropped files

PID
Process
Filename
Type
2248NEW8EFE.tmp.exeC:\Users\admin\AppData\Local\Temp\_is90A4.tmp —
MD5:—
SHA256:—
2248NEW8EFE.tmp.exeC:\Users\admin\AppData\Local\Temp\_is90A5.tmp —
MD5:—
SHA256:—
2248NEW8EFE.tmp.exeC:\Users\admin\AppData\Local\Temp\_is90B5.tmp —
MD5:—
SHA256:—
2248NEW8EFE.tmp.exeC:\Users\admin\AppData\Local\Temp\_is90B6.tmp —
MD5:—
SHA256:—
2248NEW8EFE.tmp.exeC:\Users\admin\AppData\Local\Temp\_is90B7.tmp —
MD5:—
SHA256:—
2248NEW8EFE.tmp.exeC:\Users\admin\AppData\Local\Temp\_is90B8.tmp —
MD5:—
SHA256:—
2248NEW8EFE.tmp.exeC:\Users\admin\AppData\Local\Temp\_is90C9.tmp —
MD5:—
SHA256:—
2248NEW8EFE.tmp.exeC:\Users\admin\AppData\Local\Temp\_is90CA.tmp —
MD5:—
SHA256:—
2248NEW8EFE.tmp.exeC:\Users\admin\AppData\Local\Temp\_is90CB.tmp —
MD5:—
SHA256:—
2248NEW8EFE.tmp.exeC:\Users\admin\AppData\Local\Temp\_is90CC.tmp —
MD5:—
SHA256:—
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
3
TCP/UDP connections
4
DNS requests
4
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
2444
AskInstallChecker-1.1.0.0.exe
GET
—
199.36.100.107:80
http://toolbar.ask.com/askbardis/util/askInstallChecker.jsp?p=PF&o=&ai=51386
US
—
—
suspicious
4052
AskPartnerCobrandingTool.exe
GET
200
199.36.102.106:80
http://supertoolbar.ask.com/interim/askbardis/getTbProperties.jsp?tbr=PF
US
text
410 b
suspicious
2748
askHomePage.exe
GET
200
199.36.102.106:80
http://supertoolbar.ask.com/homepage?tb=PF
US
text
40 b
suspicious
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
2748
askHomePage.exe
199.36.102.106:80
supertoolbar.ask.com
Mindspark Interactive Network, Inc.
US
suspicious
4052
AskPartnerCobrandingTool.exe
199.36.102.106:80
supertoolbar.ask.com
Mindspark Interactive Network, Inc.
US
suspicious
2444
AskInstallChecker-1.1.0.0.exe
199.36.100.107:80
toolbar.ask.com
Mindspark Interactive Network, Inc.
US
suspicious
4080
PFPortChecker.exe
65.112.29.35:443
secure.portforward.com
Computer Country
US
unknown

DNS requests

Domain
IP
Reputation
toolbar.ask.com
  • 199.36.100.107
suspicious
secure.portforward.com
  • 65.112.29.35
unknown
supertoolbar.ask.com
  • 199.36.102.106
suspicious
wzpo1.ask.com
  • —
malicious

Threats

PID
Process
Class
Message
2444
AskInstallChecker-1.1.0.0.exe
Potential Corporate Privacy Violation
ET POLICY Suspicious User Agent (AskInstallChecker)
4052
AskPartnerCobrandingTool.exe
A Network Trojan was detected
ET USER_AGENTS Suspicious User-Agent String (AskPartnerCobranding)
Process
Message
TaskScheduler.exe
SetChrome..
TaskScheduler.exe
success!
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Reports
PFPortChecker.exe