Malware analysis FlashUtil32_32_0_0_192_Plugin.exe Malicious activity

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File name:	FlashUtil32_32_0_0_192_Plugin.exe
Full analysis:	https://app.any.run/tasks/5da50316-54df-4e2c-b9ad-534dbc950352
Verdict:	Malicious activity
Analysis date:	May 29, 2019, 18:13:06
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:	8C8CF00A4A22204F59C79D79C1EEB38D
SHA1:	127B4BBA4D4A8A68CB83D99187B013F36A251A6F
SHA256:	7DB37F94EEA0C722F9080CD3F46736B794C76656F1CA9E7F51476AD127B7093B
SSDEEP:	24576:m626osHaVPXRoTcHSYitTqOuHO0bEwMksYME0Yrjo73r:m62u6JRoTPYGbuHOlwM6MMrjoLr

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:: 240 seconds
Heavy Evasion option:: off
Network geolocation:: off
Additional time used:: 180 seconds
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 (73.0.3683.75)
Google Update Helper (1.3.33.23)
Java 8 Update 92 (8.0.920.14)
Java Auto Updater (2.8.92.14)
Microsoft .NET Framework 4.6.1 (4.6.01055)
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++ 2017 Redistributable (x86) - 14.15.26706 (14.15.26706.0)
Microsoft Visual C++ 2017 x86 Additional Runtime - 14.15.26706 (14.15.26706)
Microsoft Visual C++ 2017 x86 Minimum Runtime - 14.15.26706 (14.15.26706)
Mozilla Firefox 65.0.2 (x86 en-US) (65.0.2)
Notepad++ (32-bit x86) (7.5.1)
Opera 12.15 (12.15.1748)
Skype version 8.29 (8.29)
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
KB976902
LocalPack AU Package
LocalPack CA Package
LocalPack GB Package
LocalPack US Package
LocalPack ZA Package
ProfessionalEdition
UltimateEdition

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MALICIOUS
- Loads the Task Scheduler COM API
  - FlashPlayerUpdateService.exe (PID: 3212)
  - FlashPlayerUpdateService.exe (PID: 1804)
  - FlashUtil32_32_0_0_192_Plugin.exe (PID: 2844)
SUSPICIOUS
- Removes files from Windows directory
  - FlashUtil32_32_0_0_192_Plugin.exe (PID: 2844)
- Creates files in the Windows directory
  - FlashUtil32_32_0_0_192_Plugin.exe (PID: 2844)
- Executable content was dropped or overwritten
  - FlashUtil32_32_0_0_192_Plugin.exe (PID: 2844)
INFO
- Manual execution by user
  - explorer.exe (PID: 3012)
  - FlashUtil32_32_0_0_192_Plugin.exe (PID: 2844)
  - NOTEPAD.EXE (PID: 3660)

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 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:	2019:04:30 00:28:40+02:00
PEType:	PE32
LinkerVersion:	14
CodeSize:	274944
InitializedDataSize:	1173504
UninitializedDataSize:	-
EntryPoint:	0x281e8
OSVersion:	5.1
ImageVersion:	-
SubsystemVersion:	5.1
Subsystem:	Windows GUI
FileVersionNumber:	32.0.0.192
ProductVersionNumber:	32.0.0.192
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:	32,0,0,192
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:	32,0,0,192

Summary

Architecture:	IMAGE_FILE_MACHINE_I386
Subsystem:	IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date:	29-Apr-2019 22:28:40
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:	32,0,0,192
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:	32,0,0,192

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:	29-Apr-2019 22:28:40
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	5.46424
.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	0x0010669C	0x00106800	IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ	7.19058
.reloc	0x00163000	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	5.18481	1112	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
201	7.99908	215362	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

1804

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

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

—

FlashUtil32_32_0_0_192_Plugin.exe

User:

admin

Company:

Adobe Systems Incorporated

Integrity Level:

HIGH

Description:

Adobe® Flash® Player Update Service 26.0 r0

Exit code:

Version:

26,0,0,131

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

2844

"C:\Users\admin\AppData\Local\Temp\FlashUtil32_32_0_0_192_Plugin.exe"

C:\Users\admin\AppData\Local\Temp\FlashUtil32_32_0_0_192_Plugin.exe

explorer.exe

User:

admin

Company:

Adobe

Integrity Level:

HIGH

Description:

Adobe® Flash® Player Installer/Uninstaller 32.0 r0

Exit code:

Version:

32,0,0,192

Modules

Images
c:\users\admin\appdata\local\temp\flashutil32_32_0_0_192_plugin.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

3012

"C:\Windows\explorer.exe"

C:\Windows\explorer.exe

—

explorer.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Windows Explorer

Exit code:

Version:

6.1.7600.16385 (win7_rtm.090713-1255)

Modules

Images
c:\windows\explorer.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

3212

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

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

—

FlashUtil32_32_0_0_192_Plugin.exe

User:

admin

Company:

Adobe Systems Incorporated

Integrity Level:

HIGH

Description:

Adobe® Flash® Player Update Service 26.0 r0

Exit code:

Version:

26,0,0,131

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

3632

"C:\Users\admin\AppData\Local\Temp\FlashUtil32_32_0_0_192_Plugin.exe"

C:\Users\admin\AppData\Local\Temp\FlashUtil32_32_0_0_192_Plugin.exe

—

explorer.exe

User:

admin

Company:

Adobe

Integrity Level:

MEDIUM

Description:

Adobe® Flash® Player Installer/Uninstaller 32.0 r0

Exit code:

1007

Version:

32,0,0,192

Modules

Images
c:\users\admin\appdata\local\temp\flashutil32_32_0_0_192_plugin.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

3660

"C:\Windows\system32\NOTEPAD.EXE" C:\Windows\System32\Macromed\Flash\FlashInstall32.log

C:\Windows\system32\NOTEPAD.EXE

—

explorer.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Notepad

Exit code:

Version:

6.1.7600.16385 (win7_rtm.090713-1255)

Modules

Images
c:\windows\system32\notepad.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

3708

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

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

—

FlashUtil32_32_0_0_192_Plugin.exe

User:

admin

Company:

Adobe Systems Incorporated

Integrity Level:

HIGH

Description:

Adobe® Flash® Player Update Service 26.0 r0

Exit code:

Version:

26,0,0,131

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\msvcrt.dll
c:\windows\system32\winhttp.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

250

Read events

Write events

Delete events

170

Modification events


(PID) Process:	(2844) FlashUtil32_32_0_0_192_Plugin.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Macromedia\FlashPlayer
Operation:	delete value	Name:	CurrentVersion
Value: 26,0,0,131
(PID) Process:	(2844) FlashUtil32_32_0_0_192_Plugin.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Classes\MacromediaFlashPaper.MacromediaFlashPaper\shell\open\command
Operation:	delete key	Name:
Value:
(PID) Process:	(2844) FlashUtil32_32_0_0_192_Plugin.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Classes\MacromediaFlashPaper.MacromediaFlashPaper\shell\open
Operation:	delete key	Name:
Value:
(PID) Process:	(2844) FlashUtil32_32_0_0_192_Plugin.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Classes\MacromediaFlashPaper.MacromediaFlashPaper\shell
Operation:	delete key	Name:
Value:
(PID) Process:	(2844) FlashUtil32_32_0_0_192_Plugin.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Classes\MacromediaFlashPaper.MacromediaFlashPaper\DefaultIcon
Operation:	delete key	Name:
Value:
(PID) Process:	(2844) FlashUtil32_32_0_0_192_Plugin.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{57A0E746-3863-4D20-A811-950C84F1DB9B}\1.1\0\win32
Operation:	delete key	Name:
Value:
(PID) Process:	(2844) FlashUtil32_32_0_0_192_Plugin.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{57A0E746-3863-4D20-A811-950C84F1DB9B}\1.1\0
Operation:	delete key	Name:
Value:
(PID) Process:	(2844) FlashUtil32_32_0_0_192_Plugin.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{57A0E746-3863-4D20-A811-950C84F1DB9B}\1.1\HELPDIR
Operation:	delete key	Name:
Value:
(PID) Process:	(2844) FlashUtil32_32_0_0_192_Plugin.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{57A0E746-3863-4D20-A811-950C84F1DB9B}\1.1\FLAGS
Operation:	delete key	Name:
Value:
(PID) Process:	(2844) FlashUtil32_32_0_0_192_Plugin.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{57A0E746-3863-4D20-A811-950C84F1DB9B}\1.1
Operation:	delete key	Name:
Value:

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Executable files

Suspicious files

Text files

Unknown types

Dropped files

PID	Process	Filename		Type
2844	FlashUtil32_32_0_0_192_Plugin.exe	C:\Windows\system32\Macromed\Flash\FlashInstall32.log		binary
		MD5:—	SHA256:—
2844	FlashUtil32_32_0_0_192_Plugin.exe	C:\Windows\system32\Macromed\Temp\{E824D859-1AF6-4EC3-B279-B72063716834}\fpb.tmp		executable
		MD5:—	SHA256:—
3708	FlashPlayerUpdateService.exe	C:\Windows\system32\Macromed\Flash\mms.cfg		text
		MD5:01C4AADCE140FC01EB3A4DBDF885D63F	SHA256:3A5FC037A0F98644111352E8805723B6DECA087793A13BD4D2B62DC7FD53753D

Download PCAP, analyze network streams, HTTP content and a lot more at the full report

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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
2844	FlashUtil32_32_0_0_192_Plugin.exe	GET	404	2.16.186.120:80	http://fpdownload2.macromedia.com/get/flashplayer/update/current/install/version.xml32.0.0.192~installVector=21&previousVersion=26.0.0.131&pProc=explorer.exe&lang=en&cpuWordLength=32&playerType=full&os=win&osVer=13&isDebug=0	unknown	html	420 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
2844	FlashUtil32_32_0_0_192_Plugin.exe	2.16.186.120:80	fpdownload2.macromedia.com	Akamai International B.V.	—	whitelisted

DNS requests

Domain	IP	Reputation
fpdownload2.macromedia.com	2.16.186.120 2.16.186.58	whitelisted

Threats

No threats detected

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No debug info

General Info

FlashUtil32_32_0_0_192_Plugin.exe

8C8CF00A4A22204F59C79D79C1EEB38D

127B4BBA4D4A8A68CB83D99187B013F36A251A6F

7DB37F94EEA0C722F9080CD3F46736B794C76656F1CA9E7F51476AD127B7093B

24576:m626osHaVPXRoTcHSYitTqOuHO0bEwMksYME0Yrjo73r:m62u6JRoTPYGbuHOlwM6MMrjoLr

Software environment set and analysis options

Launch configuration

Software preset

Hotfixes

Behavior activities

MALICIOUS

Loads the Task Scheduler COM API

SUSPICIOUS

Removes files from Windows directory

Creates files in the Windows directory

Executable content was dropped or overwritten

INFO

Manual execution by user

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

Information

Modules

Information

Modules

Registry activity

Modification events

Files activity

Dropped files

Network activity

HTTP requests

Connections

DNS requests

Threats

Debug output strings