Malware analysis OInstall.exe Malicious activity | ANY.RUN

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File name:	OInstall.exe
Full analysis:	https://app.any.run/tasks/1347e402-0780-469b-bd3d-80d41cc86698
Verdict:	Malicious activity
Analysis date:	July 16, 2019, 12:30:40
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, UPX compressed
MD5:	71C9A37B6E996B493ACA2A341B06AC73
SHA1:	C636411AB26FDAA418F45A1BA73A323AF5CF3147
SHA256:	2D75CFFAC9D5A523A5D1693B686A413A22DD118C53BA8776EF49F41DE55461BA
SSDEEP:	196608:tWm6Z2x2wYuKrXdpOxy6MZgt4/7/GXwm7xkvgOKHrubjhGae0cq2IBzKnUr:tWYxY5zOM6sgU7w2Bbjh2M

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 67.0.4 (x86 en-US) (67.0.4)
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
- Application was dropped or rewritten from another process
  - setup.exe (PID: 3252)
  - files.dat (PID: 2876)
- Changes settings of System certificates
  - setup.exe (PID: 3252)
SUSPICIOUS
- Executable content was dropped or overwritten
  - OInstall.exe (PID: 3024)
  - files.dat (PID: 2876)
- Starts application with an unusual extension
  - cmd.exe (PID: 1080)
- Adds / modifies Windows certificates
  - setup.exe (PID: 3252)
- Starts CMD.EXE for commands execution
  - OInstall.exe (PID: 3024)
INFO
- Reads settings of System Certificates
  - setup.exe (PID: 3252)

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	\|	UPX compressed Win32 Executable (76)
.exe	\|	Win32 Executable (generic) (12.6)
.exe	\|	Generic Win/DOS Executable (5.6)
.exe	\|	DOS Executable Generic (5.6)

EXIF

EXE

MachineType:	Intel 386 or later, and compatibles
TimeStamp:	2018:09:05 18:09:49+02:00
PEType:	PE32
LinkerVersion:	2.5
CodeSize:	9842688
InitializedDataSize:	90112
UninitializedDataSize:	8630272
EntryPoint:	0x119e9e0
OSVersion:	4
ImageVersion:	-
SubsystemVersion:	4
Subsystem:	Windows GUI
FileVersionNumber:	6.4.5.0
ProductVersionNumber:	6.4.5.0
FileFlagsMask:	0x0000
FileFlags:	(none)
FileOS:	Unknown (0)
ObjectFileType:	Unknown
FileSubtype:	-
LanguageCode:	Neutral
CharacterSet:	Unicode
ProductName:	Office 2013-2016 C2R Install
FileDescription:	Office 2013-2016 C2R Install

Summary

Architecture:	IMAGE_FILE_MACHINE_I386
Subsystem:	IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date:	05-Sep-2018 16:09:49
Detected languages:	English - United States
ProductName:	Office 2013-2016 C2R Install
FileDescription:	Office 2013-2016 C2R Install

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:	0x00000080

PE Headers

Signature:	PE
Machine:	IMAGE_FILE_MACHINE_I386
Number of sections:	3
Time date stamp:	05-Sep-2018 16:09:49
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
UPX0	0x00001000	0x0083B000	0x00000000	IMAGE_SCN_CNT_UNINITIALIZED_DATA, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE	0
UPX1	0x0083C000	0x00963000	0x00962C00	IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE	7.87973
.rsrc	0x0119F000	0x00016000	0x00015200	IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE	1.96609

Resources

Title	Entropy	Size	Codepage	Language	Type
1	4.94291	1117	UNKNOWN	English - United States	RT_MANIFEST
2	1.96082	9640	UNKNOWN	English - United States	RT_ICON
3	2.20562	4264	UNKNOWN	English - United States	RT_ICON
4	2.87138	1128	UNKNOWN	English - United States	RT_ICON

Imports


ADVAPI32.DLL
COMCTL32.DLL
GDI32.DLL
ICMP.DLL
IMAGEHLP.DLL
IPHLPAPI.DLL
KERNEL32.DLL
MSI.DLL
MSVCRT.dll
NETAPI32.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

1080

"C:\Windows\System32\cmd.exe" /D /c files.dat -y -pkmsauto

C:\Windows\System32\cmd.exe

—

OInstall.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

HIGH

Description:

Windows Command Processor

Exit code:

Version:

6.1.7601.17514 (win7sp1_rtm.101119-1850)

Modules

Images
c:\windows\system32\cmd.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\winbrand.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll

1468

"C:\Windows\System32\cmd.exe" /D /c copy C:\Windows\system32\Tasks\OInstall "C:\Windows\Temp\OInstall.tmp" /Y

C:\Windows\System32\cmd.exe

—

OInstall.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

HIGH

Description:

Windows Command Processor

Exit code:

Version:

6.1.7601.17514 (win7sp1_rtm.101119-1850)

Modules

Images
c:\windows\system32\cmd.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\winbrand.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll

2876

files.dat -y -pkmsauto

C:\Users\admin\AppData\Local\Temp\files\files.dat

cmd.exe

User:

admin

Company:

Igor Pavlov

Integrity Level:

HIGH

Description:

7z Console SFX

Exit code:

Version:

9.20

Modules

Images
c:\users\admin\appdata\local\temp\files\files.dat
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\oleaut32.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

3024

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

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

explorer.exe

User:

admin

Integrity Level:

HIGH

Description:

Office 2013-2016 C2R Install

Exit code:

Modules

Images
c:\users\admin\appdata\local\temp\oinstall.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\winsxs\x86_microsoft.windows.common-controls_6595b64144ccf1df_6.0.7601.17514_none_41e6975e2bd6f2b2\comctl32.dll
c:\windows\system32\gdi32.dll

3252

C:\Users\admin\AppData\Local\Temp\files\Setup.exe /configure Configure.xml

C:\Users\admin\AppData\Local\Temp\files\setup.exe

cmd.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

HIGH

Description:

Microsoft Office

Exit code:

Version:

16.0.10810.33603

Modules

Images
c:\users\admin\appdata\local\temp\files\setup.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\rpcrt4.dll
c:\windows\system32\sechost.dll
c:\windows\system32\ole32.dll
c:\windows\system32\gdi32.dll

3280

"C:\Windows\System32\cmd.exe" /D /c C:\Users\admin\AppData\Local\Temp\files\Setup.exe /configure Configure.xml

C:\Windows\System32\cmd.exe

—

OInstall.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

HIGH

Description:

Windows Command Processor

Exit code:

Version:

6.1.7601.17514 (win7sp1_rtm.101119-1850)

Modules

Images
c:\windows\system32\cmd.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\winbrand.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll

4088

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

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

—

explorer.exe

User:

admin

Integrity Level:

MEDIUM

Description:

Office 2013-2016 C2R Install

Exit code:

3221226540

Modules

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

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Total events

170

Read events

100

Write events

Delete events

Modification events


(PID) Process:	(3024) OInstall.exe	Key:	HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\MediaResources\DirectSound\Speaker Configuration
Operation:	write	Name:	Speaker Configuration
Value: 4
(PID) Process:	(3252) setup.exe	Key:	HKEY_CURRENT_USER\Software\Microsoft\Office\16.0\Common\Experiment\officeclicktorun
Operation:	write	Name:	FirstSessionTriggered
Value: 1
(PID) Process:	(3252) setup.exe	Key:	HKEY_CURRENT_USER\Software\Microsoft\Office\16.0\Common\LanguageResources
Operation:	write	Name:	UIFallbackLanguages
Value: x-none
(PID) Process:	(3252) setup.exe	Key:	HKEY_CURRENT_USER\Software\Microsoft\Office\16.0\Common\LanguageResources
Operation:	write	Name:	HelpLanguageTag
Value: en-US
(PID) Process:	(3252) setup.exe	Key:	HKEY_CURRENT_USER\Software\Microsoft\Office\16.0\Common\LanguageResources
Operation:	write	Name:	PreferredEditingLanguage
Value: en-US
(PID) Process:	(3252) setup.exe	Key:	HKEY_CURRENT_USER\Software\Microsoft\Office\16.0\Common\LanguageResources
Operation:	write	Name:	PreviousPreferredEditingLanguage
Value: en-US
(PID) Process:	(3252) setup.exe	Key:	HKEY_CURRENT_USER\Software\Microsoft\Office\16.0\Common\LanguageResources
Operation:	write	Name:	WordChangeInstallLanguage
Value: No
(PID) Process:	(3252) setup.exe	Key:	HKEY_CURRENT_USER\Software\Microsoft\Office\16.0\Common\LanguageResources
Operation:	write	Name:	WordMailChangeInstallLanguage
Value: No
(PID) Process:	(3252) setup.exe	Key:	HKEY_CURRENT_USER\Software\Microsoft\Office\16.0\Common\LanguageResources
Operation:	write	Name:	XLChangeInstallLanguage
Value: No
(PID) Process:	(3252) setup.exe	Key:	HKEY_CURRENT_USER\Software\Microsoft\Office\16.0\Common\LanguageResources
Operation:	write	Name:	PPTChangeInstallLanguage
Value: No

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Executable files

Suspicious files

Text files

Unknown types

Dropped files

PID	Process	Filename		Type
2876	files.dat	C:\Users\admin\AppData\Local\Temp\files\Configure.xml		text
		MD5:AC6BE84084E31DBB0E08D188B6C86EC8	SHA256:1879F7DE537C2AA70292C61EBEF9C6477D36E25B2E6A639E318B159E0A22B0FC
3024	OInstall.exe	C:\Users\admin\AppData\Local\Temp\files\setup.exe		executable
		MD5:D4A7C7C3C92C4E9BC9BDEE1C660E60DB	SHA256:B95AC36A49E79C3E63E23ECA86EAC3D22ACD80363D0F0AA83BA7EE7799ACF2A5
3024	OInstall.exe	C:\Users\admin\AppData\Local\Temp\files\files.dat		executable
		MD5:BB81E763AB0E673B3C1AF2FEA2586A9A	SHA256:4D45C64B244C8F997358635C3B5CB9A65743FAC473D65C455D3BA8A25E50D5F9
2876	files.dat	C:\Users\admin\AppData\Local\Temp\files\x86\cleanospp.exe		executable
		MD5:5FD363D52D04AC200CD24F3BCC903200	SHA256:3FDEFE2AD092A9A7FE0EDF0AC4DC2DE7E5B9CE6A0804F6511C06564194966CF9
2876	files.dat	C:\Users\admin\AppData\Local\Temp\files\Uninstall.xml		text
		MD5:364F86F97324EA82FE0D142CD01CF6DD	SHA256:09D5B42140BAB13165BA97FBD0E77792304C3C93555BE02C3DCE21A7A69C66DD
3024	OInstall.exe	C:\Users\admin\AppData\Local\Temp\files\Configure.xml		text
		MD5:057B592B8166E85054F04A76633BE4B9	SHA256:5DD6A2CBAF3FE54E623AE8CA79CF3B4BD15871C2EA68A3CE669A854238FD1223
2876	files.dat	C:\Users\admin\AppData\Local\Temp\files\x64\cleanospp.exe		executable
		MD5:162AB955CB2F002A73C1530AA796477F	SHA256:5CE462E5F34065FC878362BA58617FAB28C22D631B9D836DDDCF43FB1AD4DE6E
2876	files.dat	C:\Users\admin\AppData\Local\Temp\files\x86\msvcr100.dll		executable
		MD5:BF38660A9125935658CFA3E53FDC7D65	SHA256:60C06E0FA4449314DA3A0A87C1A9D9577DF99226F943637E06F61188E5862EFA
2876	files.dat	C:\Users\admin\AppData\Local\Temp\files\x64\msvcr100.dll		executable
		MD5:DF3CA8D16BDED6A54977B30E66864D33	SHA256:1D1A1AE540BA132F998D60D3622F0297B6E86AE399332C3B47462D7C0F560A36

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
3252	setup.exe	HEAD	301	104.111.214.95:80	http://officecdn.microsoft.com/pr/492350f6-3a01-4f97-b9c0-c7c6ddf67d60/Office/Data/v32_16.0.11727.20244.cab	NL	—	—	whitelisted
3252	setup.exe	HEAD	200	2.16.186.90:80	http://officecdn.microsoft.com.edgesuite.net/pr/492350f6-3a01-4f97-b9c0-c7c6ddf67d60/Office/Data/v32_16.0.11727.20244.cab	unknown	—	—	whitelisted
3252	setup.exe	HEAD	200	2.16.186.90:80	http://officecdn.microsoft.com.edgesuite.net/pr/492350f6-3a01-4f97-b9c0-c7c6ddf67d60/Office/Data/v32_16.0.11727.20244.cab	unknown	—	—	whitelisted
3252	setup.exe	HEAD	301	104.111.214.95:80	http://officecdn.microsoft.com/pr/492350f6-3a01-4f97-b9c0-c7c6ddf67d60/Office/Data/v32_16.0.11727.20244.cab	NL	—	—	whitelisted
3252	setup.exe	GET	—	104.111.214.95:80	http://officecdn.microsoft.com/pr/492350f6-3a01-4f97-b9c0-c7c6ddf67d60/Office/Data/v32_16.0.11727.20244.cab	NL	—	—	whitelisted

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

Connections

PID	Process	IP	Domain	ASN	CN	Reputation
—	—	172.217.21.238:80	—	Google Inc.	US	whitelisted
3252	setup.exe	2.16.186.90:80	officecdn.microsoft.com.edgesuite.net	Akamai International B.V.	—	whitelisted
3252	setup.exe	104.111.214.95:80	officecdn.microsoft.com	Akamai International B.V.	NL	whitelisted
3252	setup.exe	13.107.3.128:443	config.edge.skype.com	Microsoft Corporation	US	whitelisted
3252	setup.exe	13.107.5.88:443	client-office365-tas.msedge.net	Microsoft Corporation	US	whitelisted
3252	setup.exe	52.109.88.44:443	mrodevicemgr.officeapps.live.com	Microsoft Corporation	NL	whitelisted

DNS requests

Domain	IP	Reputation
client-office365-tas.msedge.net	13.107.5.88	whitelisted
config.edge.skype.com	13.107.3.128	malicious
mrodevicemgr.officeapps.live.com	52.109.88.44	whitelisted
officecdn.microsoft.com	104.111.214.95	whitelisted
officecdn.microsoft.com.edgesuite.net	2.16.186.90 2.16.186.59	whitelisted

Threats

No threats detected

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No debug info

General Info

OInstall.exe

71C9A37B6E996B493ACA2A341B06AC73

C636411AB26FDAA418F45A1BA73A323AF5CF3147

2D75CFFAC9D5A523A5D1693B686A413A22DD118C53BA8776EF49F41DE55461BA

196608:tWm6Z2x2wYuKrXdpOxy6MZgt4/7/GXwm7xkvgOKHrubjhGae0cq2IBzKnUr:tWYxY5zOM6sgU7w2Bbjh2M

Software environment set and analysis options

Launch configuration

Software preset

Hotfixes

Behavior activities

MALICIOUS

Application was dropped or rewritten from another process

Changes settings of System certificates

SUSPICIOUS

Executable content was dropped or overwritten

Starts application with an unusual extension

Adds / modifies Windows certificates

Starts CMD.EXE for commands execution

INFO

Reads settings of System Certificates

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