Malware analysis install_flash_player.exe Malicious activity

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download:	install_flash_player.exe
Full analysis:	https://app.any.run/tasks/9ae359bd-84c8-4925-9677-9439a569453c
Verdict:	Malicious activity
Analysis date:	September 26, 2019, 16:43:10
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:	5172B3FEA658567C67987B8DFF27F2B8
SHA1:	6DEE6D59DF98EC34953587D5814518A4F0FD469C
SHA256:	4142F14EF4CFA69667FA8360D24070ABCABE786A0FC30530541D8331D8EB1BC5
SSDEEP:	393216:zJEKSTUs7h4xDT5uxCIltz1r3FEkFkt576zijqlAwaZk821+0M:zrSws6/5uxCIl5BySkt5GDA5OM

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.

Launch configuration

Task duration:: 60 seconds
Heavy Evasion option:: off
Network geolocation:: off
Additional time used:: none
MITM proxy:: off
Privacy:: Public submission
Fakenet option:: off
Route via Tor:: off
Autoconfirmation of UAC:: on
Network:: on

Software preset

Internet Explorer 8.0.7601.17514 undefined
Adobe Acrobat Reader DC MUI (15.023.20070)
Adobe Flash Player 26 ActiveX (26.0.0.131)
Adobe Flash Player 26 NPAPI (26.0.0.131)
Adobe Flash Player 26 PPAPI (26.0.0.131)
Adobe Refresh Manager (1.8.0)
CCleaner (5.35)
FileZilla Client 3.36.0 (3.36.0)
Google Chrome (75.0.3770.100)
Google Update Helper (1.3.34.7)
Java 8 Update 92 (8.0.920.14)
Java Auto Updater (2.8.92.14)
Microsoft .NET Framework 4.7.2 (4.7.03062)
Microsoft Office Access MUI (English) 2010 (14.0.6029.1000)
Microsoft Office Access Setup Metadata MUI (English) 2010 (14.0.6029.1000)
Microsoft Office Excel MUI (English) 2010 (14.0.6029.1000)
Microsoft Office OneNote MUI (English) 2010 (14.0.6029.1000)
Microsoft Office Outlook MUI (English) 2010 (14.0.6029.1000)
Microsoft Office PowerPoint MUI (English) 2010 (14.0.6029.1000)
Microsoft Office Professional 2010 (14.0.6029.1000)
Microsoft Office Proof (English) 2010 (14.0.6029.1000)
Microsoft Office Proof (French) 2010 (14.0.6029.1000)
Microsoft Office Proof (Spanish) 2010 (14.0.6029.1000)
Microsoft Office Proofing (English) 2010 (14.0.6029.1000)
Microsoft Office Publisher MUI (English) 2010 (14.0.6029.1000)
Microsoft Office Shared MUI (English) 2010 (14.0.6029.1000)
Microsoft Office Shared Setup Metadata MUI (English) 2010 (14.0.6029.1000)
Microsoft Office Single Image 2010 (14.0.6029.1000)
Microsoft Office Word MUI (English) 2010 (14.0.6029.1000)
Microsoft Visual C++ 2008 Redistributable - x86 9.0.30729.6161 (9.0.30729.6161)
Microsoft Visual C++ 2010 x86 Redistributable - 10.0.40219 (10.0.40219)
Microsoft Visual C++ 2013 Redistributable (x86) - 12.0.30501 (12.0.30501.0)
Microsoft Visual C++ 2013 x86 Additional Runtime - 12.0.21005 (12.0.21005)
Microsoft Visual C++ 2013 x86 Minimum Runtime - 12.0.21005 (12.0.21005)
Microsoft Visual C++ 2015-2019 Redistributable (x86) - 14.21.27702 (14.21.27702.2)
Microsoft Visual C++ 2019 X86 Additional Runtime - 14.21.27702 (14.21.27702)
Microsoft Visual C++ 2019 X86 Minimum Runtime - 14.21.27702 (14.21.27702)
Mozilla Firefox 68.0.1 (x86 en-US) (68.0.1)
Notepad++ (32-bit x86) (7.5.1)
Opera 12.15 (12.15.1748)
Skype version 8.29 (8.29)
Update for Microsoft .NET Framework 4.7.2 (KB4087364) (1)
VLC media player (2.2.6)
WinRAR 5.60 (32-bit) (5.60.0)

Hotfixes

Client LanguagePack Package
Client Refresh LanguagePack Package
CodecPack Basic Package
Foundation Package
IE Troubleshooters Package
InternetExplorer Optional Package
KB2534111
KB2999226
KB4019990
KB976902
LocalPack AU Package
LocalPack CA Package
LocalPack GB Package
LocalPack US Package
LocalPack ZA Package
ProfessionalEdition
UltimateEdition

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MALICIOUS
- Loads dropped or rewritten executable
  - install_flash_player.exe (PID: 2180)
- Application was dropped or rewritten from another process
  - FlashPlayerUpdateService.exe (PID: 3372)
  - FlashPlayerUpdateService.exe (PID: 3776)
  - FlashPlayerUpdateService.exe (PID: 2832)
- Loads the Task Scheduler COM API
  - FlashPlayerUpdateService.exe (PID: 3372)
  - FlashPlayerUpdateService.exe (PID: 3776)
  - install_flash_player.exe (PID: 2180)
SUSPICIOUS
- Removes files from Windows directory
  - install_flash_player.exe (PID: 2180)
- Disables SEHOP
  - install_flash_player.exe (PID: 2180)
- Creates files in the Windows directory
  - install_flash_player.exe (PID: 2180)
- Creates a software uninstall entry
  - install_flash_player.exe (PID: 2180)
- Executable content was dropped or overwritten
  - install_flash_player.exe (PID: 2180)
INFO
No info indicators.

Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report

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No Malware configuration.

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TRiD

.exe	\|	Win32 Executable (generic) (52.9)
.exe	\|	Generic Win/DOS Executable (23.5)
.exe	\|	DOS Executable Generic (23.5)

EXIF

EXE

MachineType:	Intel 386 or later, and compatibles
TimeStamp:	2019:08:27 02:11:35+02:00
PEType:	PE32
LinkerVersion:	14
CodeSize:	274944
InitializedDataSize:	21041152
UninitializedDataSize:	-
EntryPoint:	0x281e8
OSVersion:	5.1
ImageVersion:	-
SubsystemVersion:	5.1
Subsystem:	Windows GUI
FileVersionNumber:	32.0.0.255
ProductVersionNumber:	32.0.0.255
FileFlagsMask:	0x003f
FileFlags:	(none)
FileOS:	Win32
ObjectFileType:	Dynamic link library
FileSubtype:	-
LanguageCode:	English (U.S.)
CharacterSet:	Unicode
CompanyName:	Adobe
FileDescription:	Adobe® Flash® Player Installer/Uninstaller 32.0 r0
FileVersion:	32,0,0,255
InternalName:	Adobe® Flash® Player Installer/Uninstaller 32.0
LegalCopyright:	Copyright © 1996-2019 Adobe
LegalTrademarks:	Adobe® Flash® Player
OriginalFileName:	FlashUtil.exe
ProductName:	Adobe® Flash® Player Installer/Uninstaller
ProductVersion:	32,0,0,255

Summary

Architecture:	IMAGE_FILE_MACHINE_I386
Subsystem:	IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date:	27-Aug-2019 00:11:35
Detected languages:	Chinese - PRC Chinese - Taiwan Czech - Czech Republic Dutch - Netherlands English - Canada English - United States French - France German - Germany Italian - Italy Japanese - Japan Korean - Korea Polish - Poland Portuguese - Brazil Russian - Russia Spanish - Spain (International sort) Turkish - Turkey
Debug artifacts:	E:\r\ws\St_Make\code\build\win\int\Morphology.build\Release\Win32\Morpheme.pdb
CompanyName:	Adobe
FileDescription:	Adobe® Flash® Player Installer/Uninstaller 32.0 r0
FileVersion:	32,0,0,255
InternalName:	Adobe® Flash® Player Installer/Uninstaller 32.0
LegalCopyright:	Copyright © 1996-2019 Adobe
LegalTrademarks:	Adobe® Flash® Player
OriginalFilename:	FlashUtil.exe
ProductName:	Adobe® Flash® Player Installer/Uninstaller
ProductVersion:	32,0,0,255

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:	0x00000120

PE Headers

Signature:	PE
Machine:	IMAGE_FILE_MACHINE_I386
Number of sections:	6
Time date stamp:	27-Aug-2019 00:11:35
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	0x00043193	0x00043200	IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ	6.63627
.rdata	0x00045000	0x000138A2	0x00013A00	IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ	5.46423
.data	0x00059000	0x00001AD8	0x00001000	IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE	3.64963
.gfids	0x0005B000	0x00000158	0x00000200	IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ	2.65384
.rsrc	0x0005C000	0x013F8F78	0x013F9000	IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ	7.99289
.reloc	0x01455000	0x00003330	0x00003400	IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ	6.59355

Resources

Title	Entropy	Size	Codepage	Language	Type
1	5.21653	1200	Latin 1 / Western European	English - United States	RT_MANIFEST
2	2.57591	128	Latin 1 / Western European	Spanish - Spain (International sort)	RT_STRING
3	3.15677	1028	Latin 1 / Western European	Spanish - Spain (International sort)	RT_STRING
4	2.90185	336	Latin 1 / Western European	Spanish - Spain (International sort)	RT_STRING
5	3.43902	9640	Latin 1 / Western European	English - Canada	RT_ICON
6	0.819065	44	Latin 1 / Western European	Spanish - Spain (International sort)	RT_STRING
7	3.26981	772	Latin 1 / Western European	Spanish - Spain (International sort)	RT_STRING
11	3.14501	1124	Latin 1 / Western European	Spanish - Spain (International sort)	RT_STRING
159	7.98065	9489	Latin 1 / Western European	English - United States	LZMG
202	7.99981	922701	Latin 1 / Western European	UNKNOWN	RT_RCDATA

Imports


ADVAPI32.dll
GDI32.dll
KERNEL32.dll
OLEAUT32.dll
SHELL32.dll
USER32.dll
ole32.dll

No data.

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All screenshots are available in the full report

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Total processes

Monitored processes

Malicious processes

Suspicious processes

Behavior graph

Click at the process to see the details

Process information

PID

CMD

Path

Indicators

Parent process

2180

"C:\Users\admin\AppData\Local\Temp\install_flash_player.exe"

C:\Users\admin\AppData\Local\Temp\install_flash_player.exe

explorer.exe

User:

admin

Company:

Adobe

Integrity Level:

HIGH

Description:

Adobe® Flash® Player Installer/Uninstaller 32.0 r0

Exit code:

Version:

32,0,0,255

Modules

Images
c:\users\admin\appdata\local\temp\install_flash_player.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

2832

C:\Windows\system32\Macromed\Flash\FlashPlayerUpdateService.exe -setNotifyAutoUpdate

C:\Windows\system32\Macromed\Flash\FlashPlayerUpdateService.exe

—

install_flash_player.exe

User:

admin

Company:

Adobe

Integrity Level:

HIGH

Description:

Adobe® Flash® Player Update Service 32.0 r0

Exit code:

Version:

32,0,0,255

Modules

Images
c:\windows\system32\macromed\flash\flashplayerupdateservice.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\winhttp.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\webio.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll

3372

C:\Windows\system32\Macromed\Flash\FlashPlayerUpdateService.exe -install

C:\Windows\system32\Macromed\Flash\FlashPlayerUpdateService.exe

—

install_flash_player.exe

User:

admin

Company:

Adobe

Integrity Level:

HIGH

Description:

Adobe® Flash® Player Update Service 32.0 r0

Exit code:

Version:

32,0,0,255

Modules

Images
c:\windows\system32\macromed\flash\flashplayerupdateservice.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\winhttp.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\webio.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
c:\windows\system32\lpk.dll

3512

"C:\Users\admin\AppData\Local\Temp\install_flash_player.exe"

C:\Users\admin\AppData\Local\Temp\install_flash_player.exe

—

explorer.exe

User:

admin

Company:

Adobe

Integrity Level:

MEDIUM

Description:

Adobe® Flash® Player Installer/Uninstaller 32.0 r0

Exit code:

3221226540

Version:

32,0,0,255

Modules

Images
c:\users\admin\appdata\local\temp\install_flash_player.exe
c:\systemroot\system32\ntdll.dll

3776

C:\Windows\system32\Macromed\Flash\FlashPlayerUpdateService.exe -uninstall

C:\Windows\system32\Macromed\Flash\FlashPlayerUpdateService.exe

—

install_flash_player.exe

User:

admin

Company:

Adobe

Integrity Level:

HIGH

Description:

Adobe® Flash® Player Update Service 32.0 r0

Exit code:

Version:

32,0,0,255

Modules

Images
c:\windows\system32\macromed\flash\flashplayerupdateservice.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\winhttp.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\webio.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll

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Total events

114

Read events

Write events

Delete events

Modification events


(PID) Process:	(2180) install_flash_player.exe	Key:	HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings
Operation:	write	Name:	ProxyEnable
Value: 0
(PID) Process:	(2180) install_flash_player.exe	Key:	HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections
Operation:	write	Name:	SavedLegacySettings
Value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
(PID) Process:	(2180) install_flash_player.exe	Key:	HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:	write	Name:	UNCAsIntranet
Value: 0
(PID) Process:	(2180) install_flash_player.exe	Key:	HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:	write	Name:	AutoDetect
Value: 1
(PID) Process:	(2180) install_flash_player.exe	Key:	HKEY_CLASSES_ROOT\Local Settings\MuiCache\72\52C64B7E
Operation:	write	Name:	LanguageList
Value: en-US
(PID) Process:	(2180) install_flash_player.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\MozillaPlugins\@adobe.com/FlashPlayer
Operation:	delete key	Name:
Value:
(PID) Process:	(2180) install_flash_player.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Adobe Flash Player NPAPI
Operation:	delete key	Name:
Value:
(PID) Process:	(2180) install_flash_player.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\FlashUtil32_26_0_0_131_Plugin.exe
Operation:	delete key	Name:
Value:
(PID) Process:	(2180) install_flash_player.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\FlashPlayerPlugin_26_0_0_131.exe
Operation:	delete key	Name:
Value:
(PID) Process:	(2180) install_flash_player.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\MozillaPlugins\@adobe.com/FlashPlayer
Operation:	write	Name:	Path
Value: C:\Windows\system32\Macromed\Flash\NPSWF32_32_0_0_255.dll

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Executable files

Suspicious files

Text files

Unknown types

Dropped files

PID	Process	Filename		Type
2180	install_flash_player.exe	C:\Windows\system32\Macromed\Temp\{FF25DBAC-6B87-4AC3-B1AA-4862AC45FAC8}\fpb.tmp		—
		MD5:—	SHA256:—
2180	install_flash_player.exe	C:\Windows\system32\Macromed\Flash\NPSWF32_32_0_0_255.dll		executable
		MD5:—	SHA256:—
2180	install_flash_player.exe	C:\Windows\system32\FlashPlayerApp.exe		executable
		MD5:—	SHA256:—
2180	install_flash_player.exe	C:\Windows\system32\Macromed\Flash\FlashUtil32_32_0_0_255_Plugin.exe		executable
		MD5:—	SHA256:—
2180	install_flash_player.exe	C:\Windows\system32\Macromed\Flash\FlashUtil32_32_0_0_255_Plugin.dll		executable
		MD5:—	SHA256:—
2180	install_flash_player.exe	C:\Windows\system32\Macromed\Flash\FlashPlayerUpdateService.exe		executable
		MD5:—	SHA256:—
2180	install_flash_player.exe	C:\Windows\system32\FlashPlayerCPLApp.cpl		executable
		MD5:—	SHA256:—
2180	install_flash_player.exe	C:\Windows\system32\Macromed\Flash\FlashPlayerPlugin_32_0_0_255.exe		executable
		MD5:—	SHA256:—
3776	FlashPlayerUpdateService.exe	C:\Windows\System32\Macromed\Flash\FlashInstall32.log		binary
		MD5:—	SHA256:—
2180	install_flash_player.exe	C:\Windows\system32\Macromed\Flash\FlashInstall32.log		binary
		MD5:—	SHA256:—

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HTTP(S) requests

TCP/UDP connections

DNS requests

Threats

HTTP requests

PID	Process	Method	HTTP Code	IP	URL	CN	Type	Size	Reputation
2180	install_flash_player.exe	GET	404	2.16.186.58:80	http://fpdownload2.macromedia.com/get/flashplayer/update/current/install/version.xml32.0.0.255~installVector=1&previousVersion=26.0.0.131&pProc=explorer.exe&lang=en&cpuWordLength=32&playerType=pl&os=win&osVer=13&isDebug=0	unknown	html	417 b	whitelisted

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Connections

PID	Process	IP	Domain	ASN	CN	Reputation
2180	install_flash_player.exe	2.16.186.58:80	fpdownload2.macromedia.com	Akamai International B.V.	—	whitelisted
2180	install_flash_player.exe	2.18.235.69:443	fpdownload.macromedia.com	Akamai International B.V.	—	whitelisted

DNS requests

Domain	IP	Reputation
fpdownload.macromedia.com	2.18.235.69	whitelisted
fpdownload2.macromedia.com	2.16.186.58 2.16.186.120	whitelisted

Threats

No threats detected

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No debug info

General Info

install_flash_player.exe

5172B3FEA658567C67987B8DFF27F2B8

6DEE6D59DF98EC34953587D5814518A4F0FD469C

4142F14EF4CFA69667FA8360D24070ABCABE786A0FC30530541D8331D8EB1BC5

393216:zJEKSTUs7h4xDT5uxCIltz1r3FEkFkt576zijqlAwaZk821+0M:zrSws6/5uxCIl5BySkt5GDA5OM

Software environment set and analysis options

Launch configuration

Software preset

Hotfixes

Behavior activities

MALICIOUS

Loads dropped or rewritten executable

Application was dropped or rewritten from another process

Loads the Task Scheduler COM API

SUSPICIOUS

Removes files from Windows directory

Disables SEHOP

Creates files in the Windows directory

Creates a software uninstall entry

Executable content was dropped or overwritten

INFO

Malware configuration

Static information

TRiD

EXIF

EXE

Summary

DOS Header

PE Headers

Sections

Resources

Imports

Video and screenshots

Processes

Behavior graph

Specs description

Process information

Information

Modules

Information

Modules

Information

Modules

Information

Modules

Information

Modules

Registry activity

Modification events

Files activity

Dropped files

Network activity

HTTP requests

Connections

DNS requests

Threats

Debug output strings