File name:

VNC-Viewer-6.18.907-Windows.exe

Full analysis: https://app.any.run/tasks/5e8a5cba-619f-4a1b-b25f-aa3fa79b2f80
Verdict: Malicious activity
Analysis date: December 07, 2018, 09:46:14
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
MD5:

A867546D881306B9D6C9AA2C5DD63327

SHA1:

84494CE43400D67BAC9EDA90A0C0354087FE6FAB

SHA256:

C8405C819E3930D79DBC69EAA984A19B6A5851BB37652B519090B665B918264C

SSDEEP:

98304:ebAmVoq8hHYA8cCbbTJgDblaOTiGkXd1HaooqDlrW5/v8cQfai0gueKCrbcIh:8CYXcC7wbFiRXdsM2Qyarbv

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

      • vncviewer.exe (PID: 2200)
      • vncviewer.exe (PID: 2432)
  • SUSPICIOUS

    • Executable content was dropped or overwritten

      • VNC-Viewer-6.18.907-Windows.exe (PID: 3216)
      • msiexec.exe (PID: 3588)
    • Creates files in the user directory

      • vncviewer.exe (PID: 2200)
    • Application launched itself

      • vncviewer.exe (PID: 2200)
    • Starts Microsoft Installer

      • VNC-Viewer-6.18.907-Windows.exe (PID: 3216)
    • Modifies the open verb of a shell class

      • msiexec.exe (PID: 3588)
  • INFO

    • Low-level read access rights to disk partition

      • vssvc.exe (PID: 2412)
    • Creates files in the program directory

      • msiexec.exe (PID: 3588)
    • Application launched itself

      • msiexec.exe (PID: 3588)
    • Searches for installed software

      • msiexec.exe (PID: 3588)
    • Creates a software uninstall entry

      • msiexec.exe (PID: 3588)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.exe | Win64 Executable (generic) (64.6)
.dll | Win32 Dynamic Link Library (generic) (15.4)
.exe | Win32 Executable (generic) (10.5)
.exe | Generic Win/DOS Executable (4.6)
.exe | DOS Executable Generic (4.6)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2018:09:07 15:44:00+02:00
PEType: PE32
LinkerVersion: 12
CodeSize: 1219584
InitializedDataSize: 8768000
UninitializedDataSize: -
EntryPoint: 0xa4f20
OSVersion: 5.1
ImageVersion: -
SubsystemVersion: 5.1
Subsystem: Windows GUI
FileVersionNumber: 6.18.907.38355
ProductVersionNumber: 6.18.907.38355
FileFlagsMask: 0x003f
FileFlags: (none)
FileOS: Windows NT 32-bit
ObjectFileType: Executable application
FileSubtype: -
LanguageCode: English (British)
CharacterSet: Unicode
CompanyName: RealVNC Ltd
FileDescription: VNC® Viewer Installer
FileVersion: 6.18.907 (r38355)
InternalName: vncviewer-installer
LegalCopyright: Copyright © 2002-2018 RealVNC Ltd.
LegalTrademarks: RealVNC and VNC are trademarks of RealVNC Ltd and are protected by trademark registrations and/or pending trademark applications in the European Union, United States of America and other jurisdictions.
OriginalFileName: vncviewer-installer.exe
ProductName: VNC®
ProductVersion: 6.18.907 (r38355)
ProgramName: VNC® Viewer Installer

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 07-Sep-2018 13:44:00
Detected languages:
  • English - United Kingdom
  • English - United States
Debug artifacts:
  • C:\jenkins-root\workspace\VNC_6.3.x\label\win-ent\bld32\RelWithDebInfo\installers\viewer_bootstrap.pdb
CompanyName: RealVNC Ltd
FileDescription: VNC® Viewer Installer
FileVersion: 6.18.907 (r38355)
InternalName: vncviewer-installer
LegalCopyright: Copyright © 2002-2018 RealVNC Ltd.
LegalTrademarks: RealVNC and VNC are trademarks of RealVNC Ltd and are protected by trademark registrations and/or pending trademark applications in the European Union, United States of America and other jurisdictions.
OriginalFilename: vncviewer-installer.exe
ProductName: VNC®
ProductVersion: 6.18.907 (r38355)
ProgramName: VNC® Viewer Installer

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: 0x00000110

PE Headers

Signature: PE
Machine: IMAGE_FILE_MACHINE_I386
Number of sections: 5
Time date stamp: 07-Sep-2018 13:44:00
Pointer to Symbol Table: 0x00000000
Number of symbols: 0
Size of Optional Header: 0x00E0
Characteristics:
  • IMAGE_FILE_32BIT_MACHINE
  • IMAGE_FILE_EXECUTABLE_IMAGE

Sections

Name
Virtual Address
Virtual Size
Raw Size
Charateristics
Entropy
.text
0x00001000
0x00129A0A
0x00129C00
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
6.3935
.rdata
0x0012B000
0x0003CEDE
0x0003D000
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
5.41533
.data
0x00168000
0x000085EC
0x00005400
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
4.77154
.rsrc
0x00171000
0x0080B048
0x0080B200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
7.68427
.reloc
0x0097D000
0x0000F288
0x0000F400
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ
6.66351

Resources

Title
Entropy
Size
Codepage
Language
Type
1
5.2223
1351
Latin 1 / Western European
English - United States
RT_MANIFEST
2
3.47151
1384
Latin 1 / Western European
English - United States
RT_ICON
3
3.91708
744
Latin 1 / Western European
English - United States
RT_ICON
4
3.91366
2216
Latin 1 / Western European
English - United States
RT_ICON
LANGDESCS.TXT
4.49238
55
Latin 1 / Western European
English - United States
BUILTINRESOURCE
LANGS.TXT
2.89629
14
Latin 1 / Western European
English - United States
BUILTINRESOURCE
VNC32.MSI
7.68941
3915776
Latin 1 / Western European
UNKNOWN
BUILTINRESOURCE
VNC64.MSI
7.66959
4509696
Latin 1 / Western European
UNKNOWN
BUILTINRESOURCE
!APP_ICON
2.64576
62
Latin 1 / Western European
English - United States
RT_GROUP_ICON

Imports

ADVAPI32.dll
COMCTL32.dll
GDI32.dll
KERNEL32.dll
OLEAUT32.dll
SHELL32.dll
USER32.dll
WS2_32.dll
ole32.dll
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
39
Monitored processes
8
Malicious processes
1
Suspicious processes
0

Behavior graph

Click at the process to see the details
start vnc-viewer-6.18.907-windows.exe msiexec.exe no specs msiexec.exe vssvc.exe no specs drvinst.exe no specs msiexec.exe no specs vncviewer.exe no specs vncviewer.exe

Process information

PID
CMD
Path
Indicators
Parent process
1348C:\Windows\system32\msiexec.exe /i C:\Users\admin\AppData\Local\Temp\vnc32.msi ProductLanguage=1033C:\Windows\system32\msiexec.exeVNC-Viewer-6.18.907-Windows.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
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
2200"C:\Program Files\RealVNC\VNC Viewer\vncviewer.exe" C:\Program Files\RealVNC\VNC Viewer\vncviewer.exeexplorer.exe
User:
admin
Company:
RealVNC Ltd
Integrity Level:
MEDIUM
Description:
VNC® Viewer
Exit code:
0
Version:
6.18.907 (r38355)
Modules
Images
c:\program files\realvnc\vnc viewer\vncviewer.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\crypt32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\msasn1.dll
c:\windows\system32\ws2_32.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\nsi.dll
2412C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exeservices.exe
User:
SYSTEM
Company:
Microsoft Corporation
Integrity Level:
SYSTEM
Description:
Microsoft® Volume Shadow Copy Service
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\vssvc.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
2432"C:\Program Files\RealVNC\VNC Viewer\vncviewer.exe" -child arni -hash 6b54115fc114bbd54fdaf948d167709158b29c51fce6bad645532d7f5a037a1f RealVNC.admin.vncviewer.vncpipehelper.328254609C:\Program Files\RealVNC\VNC Viewer\vncviewer.exe
vncviewer.exe
User:
admin
Company:
RealVNC Ltd
Integrity Level:
MEDIUM
Description:
VNC® Viewer
Exit code:
0
Version:
6.18.907 (r38355)
Modules
Images
c:\program files\realvnc\vnc viewer\vncviewer.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\msasn1.dll
c:\windows\system32\crypt32.dll
c:\windows\system32\ws2_32.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\nsi.dll
2784C:\Windows\system32\MsiExec.exe -Embedding CFC271A751497DA18138B624B1172942 M Global\MSI0000C:\Windows\system32\MsiExec.exemsiexec.exe
User:
SYSTEM
Company:
Microsoft Corporation
Integrity Level:
SYSTEM
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
3164DrvInst.exe "1" "200" "STORAGE\VolumeSnapshot\HarddiskVolumeSnapshot18" "" "" "6792c44eb" "00000000" "00000550" "00000330"C:\Windows\system32\DrvInst.exesvchost.exe
User:
SYSTEM
Company:
Microsoft Corporation
Integrity Level:
SYSTEM
Description:
Driver Installation Module
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\drvinst.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\setupapi.dll
c:\windows\system32\cfgmgr32.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\sechost.dll
3216"C:\Users\admin\AppData\Local\Temp\VNC-Viewer-6.18.907-Windows.exe" C:\Users\admin\AppData\Local\Temp\VNC-Viewer-6.18.907-Windows.exe
explorer.exe
User:
admin
Company:
RealVNC Ltd
Integrity Level:
MEDIUM
Description:
VNC® Viewer Installer
Exit code:
0
Version:
6.18.907 (r38355)
Modules
Images
c:\users\admin\appdata\local\temp\vnc-viewer-6.18.907-windows.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\ws2_32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\nsi.dll
c:\windows\winsxs\x86_microsoft.windows.common-controls_6595b64144ccf1df_6.0.7601.17514_none_41e6975e2bd6f2b2\comctl32.dll
c:\windows\system32\gdi32.dll
3588C:\Windows\system32\msiexec.exe /VC:\Windows\system32\msiexec.exe
services.exe
User:
SYSTEM
Company:
Microsoft Corporation
Integrity Level:
SYSTEM
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\advapi32.dll
c:\windows\system32\kernelbase.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
Total events
829
Read events
533
Write events
280
Delete events
16

Modification events

(PID) Process:(1348) msiexec.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\5F\52C64B7E
Operation:writeName:LanguageList
Value:
en-US
(PID) Process:(3588) msiexec.exeKey:HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\VSS\Diag\SystemRestore
Operation:writeName:SrCreateRp (Enter)
Value:
40000000000000007C27FDC5118ED401040E0000A0080000D5070000000000000000000000000000000000000000000000000000000000000000000000000000
(PID) Process:(3588) msiexec.exeKey:HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\VSS\Diag\SPP
Operation:writeName:SppCreate (Enter)
Value:
40000000000000007C27FDC5118ED401040E0000A0080000D0070000000000000000000000000000000000000000000000000000000000000000000000000000
(PID) Process:(3588) msiexec.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\SPP
Operation:writeName:LastIndex
Value:
20
(PID) Process:(3588) msiexec.exeKey:HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\VSS\Diag\SPP
Operation:writeName:SppGatherWriterMetadata (Enter)
Value:
40000000000000006ABF76C6118ED401040E0000A0080000D3070000000000000000000000000000000000000000000000000000000000000000000000000000
(PID) Process:(3588) msiexec.exeKey:HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\VSS\Diag\VssapiPublisher
Operation:writeName:IDENTIFY (Enter)
Value:
4000000000000000C42179C6118ED401040E00005C0F0000E80300000100000000000000000000005F67F2DEA41EA24983675F05F45B97EA0000000000000000
(PID) Process:(2412) vssvc.exeKey:HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\VSS\Diag\ASR Writer
Operation:writeName:IDENTIFY (Enter)
Value:
4000000000000000E06F87C6118ED4016C090000C00F0000E8030000010000000100000000000000000000000000000000000000000000000000000000000000
(PID) Process:(2412) vssvc.exeKey:HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\VSS\Diag\Shadow Copy Optimization Writer
Operation:writeName:IDENTIFY (Enter)
Value:
4000000000000000E06F87C6118ED4016C090000CC0F0000E8030000010000000100000000000000000000000000000000000000000000000000000000000000
(PID) Process:(2412) vssvc.exeKey:HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\VSS\Diag\Registry Writer
Operation:writeName:IDENTIFY (Enter)
Value:
4000000000000000E06F87C6118ED4016C090000A40B0000E8030000010000000100000000000000000000000000000000000000000000000000000000000000
(PID) Process:(2412) vssvc.exeKey:HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\VSS\Diag\COM+ REGDB Writer
Operation:writeName:IDENTIFY (Enter)
Value:
4000000000000000E06F87C6118ED4016C090000A80B0000E8030000010000000100000000000000000000000000000000000000000000000000000000000000
Executable files
6
Suspicious files
6
Text files
77
Unknown types
1

Dropped files

PID
Process
Filename
Type
3588msiexec.exeC:\System Volume Information\SPP\metadata-2
MD5:
SHA256:
3588msiexec.exeC:\Users\admin\AppData\Local\Temp\~DFA38CB04FD216720E.TMP
MD5:
SHA256:
3588msiexec.exeC:\Windows\Installer\MSIE3FA.tmp
MD5:
SHA256:
3588msiexec.exeC:\Program Files\RealVNC\VNC Viewer\SetupCache\VNC-Viewer-6.18.907-Windows-32bit.msiKey
MD5:
SHA256:
2412vssvc.exeC:
MD5:
SHA256:
3588msiexec.exeC:\Windows\Installer\MSIE841.tmp
MD5:
SHA256:
3588msiexec.exeC:\Config.Msi\24def9.rbs
MD5:
SHA256:
3588msiexec.exeC:\Windows\Installer\MSIE9D8.tmp
MD5:
SHA256:
3588msiexec.exeC:\Windows\Installer\MSIE9F9.tmp
MD5:
SHA256:
3588msiexec.exeC:\Config.Msi\24defb.rbs
MD5:
SHA256:
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
0
DNS requests
0
Threats
0

HTTP requests

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

Connections

No data

DNS requests

No data

Threats

No threats detected
No debug info