File name:

wstub32.exe

Full analysis: https://app.any.run/tasks/17f37101-8f11-4da9-81a6-ee32d33ec95c
Verdict: Malicious activity
Analysis date: March 02, 2020, 03:09:47
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, InstallShield self-extracting archive
MD5:

AF0EA1A979B43F57C58DA62B22985BE7

SHA1:

30BDD2796AEDD97E31EF3A8B3057B005E8006080

SHA256:

9B795C90589F1871329282B674B828D903DB14F6394F3712079885885443AEB2

SSDEEP:

98304:1dALNf426hdZxGzo4ys1WParz+Of5IWMM76ZZ0DcxuLmxPPpH3Ibx6ETo94NPXAL:zALNfS/LGzb1cCrz1InXBFPBREMgEFV

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

      • FrmInst.exe (PID: 3324)
      • naPrdMgr.exe (PID: 3100)
      • FrameworkService.exe (PID: 2772)
      • msaconfig.exe (PID: 3212)
      • MfeServiceMgr.exe (PID: 1008)
      • FrameworkService.exe (PID: 3316)
      • naPrdMgr.exe (PID: 1688)
      • MfeServiceMgr.exe (PID: 2348)
      • MfeServiceMgr.exe (PID: 2456)
      • UdaterUI.exe (PID: 1760)
      • McTray.exe (PID: 2340)
      • cleanup.exe (PID: 3188)

    • Loads dropped or rewritten executable

      • naPrdMgr.exe (PID: 3100)
      • MsiExec.exe (PID: 2876)
      • msaconfig.exe (PID: 3212)
      • FrameworkService.exe (PID: 2772)
      • FrameworkService.exe (PID: 3316)
      • naPrdMgr.exe (PID: 1688)
      • MfeServiceMgr.exe (PID: 1008)
      • MfeServiceMgr.exe (PID: 2348)
      • McTray.exe (PID: 2340)
      • MfeServiceMgr.exe (PID: 2456)
      • UdaterUI.exe (PID: 1760)
      • explorer.exe (PID: 372)

    • Changes settings of System certificates

      • msiexec.exe (PID: 3020)

  • SUSPICIOUS

    • Executable content was dropped or overwritten

      • wstub32.exe (PID: 3728)
      • MsiExec.exe (PID: 3924)
      • msiexec.exe (PID: 3020)

    • Creates files in the program directory

      • naPrdMgr.exe (PID: 3100)
      • FrameworkService.exe (PID: 2772)
      • msaconfig.exe (PID: 3212)
      • FrameworkService.exe (PID: 3316)
      • MfeServiceMgr.exe (PID: 1008)

    • Executed as Windows Service

      • vssvc.exe (PID: 3528)
      • FrameworkService.exe (PID: 3316)

    • Creates COM task schedule object

      • MsiExec.exe (PID: 2876)
      • msiexec.exe (PID: 3020)

    • Changes the autorun value in the registry

      • msiexec.exe (PID: 3020)

    • Executed via COM

      • naPrdMgr.exe (PID: 1688)

    • Creates files in the user directory

      • McTray.exe (PID: 2340)

    • Adds / modifies Windows certificates

      • msiexec.exe (PID: 3020)

  • INFO

    • Low-level read access rights to disk partition

      • vssvc.exe (PID: 3528)

    • Searches for installed software

      • msiexec.exe (PID: 3020)

    • Loads dropped or rewritten executable

      • MsiExec.exe (PID: 404)
      • MsiExec.exe (PID: 3924)
      • msiexec.exe (PID: 3020)

    • Reads settings of System Certificates

      • msiexec.exe (PID: 3020)

    • Application launched itself

      • msiexec.exe (PID: 3020)

    • Dropped object may contain Bitcoin addresses

      • msiexec.exe (PID: 3020)

    • Creates files in the program directory

      • MsiExec.exe (PID: 3924)
      • msiexec.exe (PID: 3020)

    • Creates a software uninstall entry

      • MsiExec.exe (PID: 3924)
      • msiexec.exe (PID: 3020)
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) (42.2)
.exe | Win64 Executable (generic) (37.3)
.dll | Win32 Dynamic Link Library (generic) (8.8)
.exe | Win32 Executable (generic) (6)
.exe | Generic Win/DOS Executable (2.7)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2015:02:10 18:50:03+01:00
PEType: PE32
LinkerVersion: 10
CodeSize: 109056
InitializedDataSize: 34816
UninitializedDataSize: -
EntryPoint: 0x8a00
OSVersion: 5.1
ImageVersion: -
SubsystemVersion: 5.1
Subsystem: Windows GUI
FileVersionNumber: 4.8.0.1938
ProductVersionNumber: 4.8.0.1938
FileFlagsMask: 0x003f
FileFlags: (none)
FileOS: Win32
ObjectFileType: Dynamic link library
FileSubtype: -
LanguageCode: English (U.S.)
CharacterSet: Windows, Latin1
CompanyName: McAfee, Inc.
FileDescription: Framework Package Stub
FileVersion: 4.8.0.1938
InternalName: wstub32
OriginalFileName: wstub32.exe
BuildNumber: 1938
BuildDate: 02/10/2015
ProductName: McAfee Agent
ProductVersion: 4.8.0
LegalCopyright: Copyright© 2000-2015 McAfee, Inc. All Rights Reserved.

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 10-Feb-2015 17:50:03
Detected languages:
  • English - United States
Debug artifacts:
  • D:\BUILD_470613\BUILD\msa\win\Release\wstub32.pdb
CompanyName: McAfee, Inc.
FileDescription: Framework Package Stub
FileVersion: 4.8.0.1938
InternalName: wstub32
OriginalFilename: wstub32.exe
BuildNumber: 1938
BuildDate: 02/10/2015
ProductName: McAfee Agent
ProductVersion: 4.8.0
LegalCopyright: Copyright© 2000-2015 McAfee, Inc. All Rights Reserved.

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: 0x000000E8

PE Headers

Signature: PE
Machine: IMAGE_FILE_MACHINE_I386
Number of sections: 4
Time date stamp: 10-Feb-2015 17:50:03
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_RELOCS_STRIPPED

Sections

Name
Virtual Address
Virtual Size
Raw Size
Charateristics
Entropy
.text
0x00001000
0x0001A9BE
0x0001AA00
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
6.63962
.rdata
0x0001C000
0x00005F38
0x00006000
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
5.07055
.data
0x00022000
0x00005A8C
0x00001E00
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
3.65333
.rsrc
0x00028000
0x0000090C
0x00000A00
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
4.63703

Resources

Title
Entropy
Size
Codepage
Language
Type
1
4.77792
357
Latin 1 / Western European
English - United States
RT_MANIFEST
101
2.16096
20
Latin 1 / Western European
English - United States
RT_GROUP_ICON

Imports

ADVAPI32.dll
KERNEL32.dll
USER32.dll
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
66
Monitored processes
21
Malicious processes
12
Suspicious processes
1

Behavior graph

Click at the process to see the details
drop and start start drop and start drop and start wstub32.exe frminst.exe no specs msiexec.exe no specs msiexec.exe vssvc.exe no specs msiexec.exe no specs msiexec.exe msiexec.exe no specs naprdmgr.exe no specs frameworkservice.exe no specs msaconfig.exe no specs frameworkservice.exe naprdmgr.exe no specs mfeservicemgr.exe no specs mfeservicemgr.exe no specs mfeservicemgr.exe no specs udaterui.exe no specs mctray.exe no specs explorer.exe cleanup.exe no specs wstub32.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
372C:\Windows\Explorer.EXEC:\Windows\explorer.exe
—
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Explorer
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\winanr.dll
c:\windows\system32\wshtcpip.dll
c:\windows\explorer.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
404C:\Windows\system32\MsiExec.exe -Embedding 4E810FC743F1347622DDE981891227C0C:\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
536 /i "C:\Users\admin\AppData\Local\Temp\mfeA5CD.tmp\MFEagent.msi" ADDLOCAL=Main,Agent TRANSFORMS=:1033.mst /qb+ /l+*v "C:\Users\admin\AppData\Local\Temp\McAfeeLogs\MFEagent.msi.2020.03.02.03.10.19.log" SITEINFO="C:\Users\admin\AppData\Local\Temp\mfeA5CD.tmp\SiteList.xml" PRESERVEREPOSITORIES=True FRMINSTLOGFILE="C:\Users\admin\AppData\Local\Temp\McAfeeLogs\FrmInst_USER-PC"C:\Windows\system32\msiexec.exe—FrmInst.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
1008-StopC:\Program Files\McAfee\Common Framework\MfeServiceMgr.exe—FrameworkService.exe
User:
SYSTEM
Company:
McAfee, Inc.
Integrity Level:
SYSTEM
Description:
ServiceMgr library
Exit code:
0
Version:
4.8.0.1938
Modules
Images
c:\program files\mcafee\common framework\mfeservicemgr.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\mcafee\common framework\nailog3.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\program files\mcafee\common framework\msvcr100.dll
1688"C:\Program Files\McAfee\Common Framework\naPrdMgr.exe" -EmbeddingC:\Program Files\McAfee\Common Framework\naPrdMgr.exe—svchost.exe
User:
SYSTEM
Company:
McAfee, Inc.
Integrity Level:
SYSTEM
Description:
NAI Product Manager
Exit code:
0
Version:
4.8.0.1938
Modules
Images
c:\program files\mcafee\common framework\naprdmgr.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\mcafee\common framework\cryptshim.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\program files\mcafee\common framework\mfecryptc.dll
1760"C:\Program Files\McAfee\Common Framework\UdaterUI.exe" /EventName=UPDATER_UI_EVENTa75e02C:\Program Files\McAfee\Common Framework\UdaterUI.exe—FrameworkService.exe
User:
admin
Company:
McAfee, Inc.
Integrity Level:
MEDIUM
Description:
Common User Interface
Exit code:
0
Version:
4.8.0.1938
Modules
Images
c:\program files\mcafee\common framework\udaterui.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\winsxs\x86_microsoft.windows.common-controls_6595b64144ccf1df_5.82.7601.17514_none_ec83dffa859149af\comctl32.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
2340/loadC:\Program Files\McAfee\Common Framework\McTray.exe—UdaterUI.exe
User:
admin
Company:
McAfee, Inc.
Integrity Level:
MEDIUM
Description:
McTray Application
Exit code:
0
Version:
2.1.1.1248
Modules
Images
c:\program files\mcafee\common framework\mctray.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\mcafee\common framework\mcafeewin32guisupportdll.dll
c:\windows\winsxs\x86_microsoft.windows.gdiplus_6595b64144ccf1df_1.1.7601.17514_none_72d18a4386696c80\gdiplus.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
2348-StopC:\Program Files\McAfee\Common Framework\MfeServiceMgr.exe—FrameworkService.exe
User:
SYSTEM
Company:
McAfee, Inc.
Integrity Level:
SYSTEM
Description:
ServiceMgr library
Exit code:
0
Version:
4.8.0.1938
Modules
Images
c:\program files\mcafee\common framework\mfeservicemgr.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\mcafee\common framework\nailog3.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\program files\mcafee\common framework\msvcr100.dll
2456-StopC:\Program Files\McAfee\Common Framework\MfeServiceMgr.exe—FrameworkService.exe
User:
SYSTEM
Company:
McAfee, Inc.
Integrity Level:
SYSTEM
Description:
ServiceMgr library
Exit code:
0
Version:
4.8.0.1938
Modules
Images
c:\program files\mcafee\common framework\mfeservicemgr.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\mcafee\common framework\nailog3.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\program files\mcafee\common framework\msvcr100.dll
2772"C:\Program Files\McAfee\Common Framework\FrameworkService.exe" /ServiceC:\Program Files\McAfee\Common Framework\FrameworkService.exe—msiexec.exe
User:
admin
Company:
McAfee, Inc.
Integrity Level:
HIGH
Description:
Framework Service
Exit code:
0
Version:
4.8.0.1938
Modules
Images
c:\program files\mcafee\common framework\frameworkservice.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\ole32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
Total events
3 337
Read events
892
Write events
2 427
Delete events
18

Modification events

(PID) Process:(3020) msiexec.exeKey:HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\VSS\Diag\SystemRestore
Operation:writeName:SrCreateRp (Enter)
Value:
40000000000000002388871B40F0D501CC0B0000D4050000D5070000000000000000000000000000000000000000000000000000000000000000000000000000
(PID) Process:(3020) msiexec.exeKey:HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\VSS\Diag\SPP
Operation:writeName:SppCreate (Enter)
Value:
40000000000000002388871B40F0D501CC0B0000D4050000D0070000000000000000000000000000000000000000000000000000000000000000000000000000
(PID) Process:(3528) vssvc.exeKey:HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\VSS\Diag\ASR Writer
Operation:writeName:IDENTIFY (Enter)
Value:
4000000000000000B7BDFE1B40F0D501C80D00003C070000E8030000010000000100000000000000000000000000000000000000000000000000000000000000
(PID) Process:(3528) vssvc.exeKey:HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\VSS\Diag\Shadow Copy Optimization Writer
Operation:writeName:IDENTIFY (Enter)
Value:
4000000000000000B7BDFE1B40F0D501C80D000000040000E8030000010000000100000000000000000000000000000000000000000000000000000000000000
(PID) Process:(3528) vssvc.exeKey:HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\VSS\Diag\Registry Writer
Operation:writeName:IDENTIFY (Enter)
Value:
4000000000000000B7BDFE1B40F0D501C80D0000300C0000E8030000010000000100000000000000000000000000000000000000000000000000000000000000
(PID) Process:(3528) vssvc.exeKey:HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\VSS\Diag\COM+ REGDB Writer
Operation:writeName:IDENTIFY (Enter)
Value:
4000000000000000B7BDFE1B40F0D501C80D0000800F0000E8030000010000000100000000000000000000000000000000000000000000000000000000000000
(PID) Process:(3020) msiexec.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\SPP
Operation:writeName:LastIndex
Value:
34
(PID) Process:(3020) msiexec.exeKey:HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\VSS\Diag\SPP
Operation:writeName:SppGatherWriterMetadata (Enter)
Value:
4000000000000000D983E41B40F0D501CC0B0000D4050000D3070000000000000000000000000000000000000000000000000000000000000000000000000000
(PID) Process:(3020) msiexec.exeKey:HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\VSS\Diag\VssapiPublisher
Operation:writeName:IDENTIFY (Enter)
Value:
400000000000000033E6E61B40F0D501CC0B0000F0030000E8030000010000000000000000000000B8C038A4A0E36347AFEF5F1C4DA305A20000000000000000
(PID) Process:(3528) vssvc.exeKey:HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\VSS\Diag\COM+ REGDB Writer
Operation:writeName:IDENTIFY (Leave)
Value:
40000000000000002D6E0F1C40F0D501C80D0000800F0000E8030000000000000100000000000000000000000000000000000000000000000000000000000000
Executable files
184
Suspicious files
52
Text files
108
Unknown types
2

Dropped files

PID
Process
Filename
Type
3728wstub32.exeC:\Users\admin\AppData\Local\Temp\mfeA5CD.tmp\__temp.zip —
MD5:—
SHA256:—
3728wstub32.exeC:\Users\admin\AppData\Local\Temp\mfeA5CD.tmp\MFEagent.msi —
MD5:—
SHA256:—
3020msiexec.exeC:\System Volume Information\SPP\metadata-2 —
MD5:—
SHA256:—
3020msiexec.exeC:\Windows\Installer\a6dfc9.msi —
MD5:—
SHA256:—
3528vssvc.exeC: —
MD5:—
SHA256:—
3020msiexec.exeC:\Windows\Installer\MSIFC69.tmp —
MD5:—
SHA256:—
3020msiexec.exeC:\Windows\Installer\MSIFCF7.tmp —
MD5:—
SHA256:—
3020msiexec.exeC:\Windows\Installer\MSIFDF2.tmp —
MD5:—
SHA256:—
3020msiexec.exeC:\Users\admin\AppData\Local\Temp\~DF0BC2270DCF37E18E.TMP —
MD5:—
SHA256:—
3020msiexec.exeC:\Windows\Installer\MSIFE81.tmp —
MD5:—
SHA256:—
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
3
DNS requests
1
Threats
0

HTTP requests

No HTTP requests
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
3316
FrameworkService.exe
10.0.50.27:443
—
—
—
unknown

DNS requests

Domain
IP
Reputation
LCSINF01.luvncare.local
  • —
unknown

Threats

No threats detected
Process
Message
explorer.exe
UnloadPreviousVersion
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Reports
wstub32.exe