Malware analysis Office Tool Plus.exe Malicious activity

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File name:	Office Tool Plus.exe
Full analysis:	https://app.any.run/tasks/bf10ce7f-5c23-4ac9-bd96-cb96e7954123
Verdict:	Malicious activity
Analysis date:	September 29, 2018, 04:44:58
OS:	Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MIME:	application/x-dosexec
File info:	PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5:	C922877DF6881FD710C2F8817D9BA628
SHA1:	EB39E0A0BCAF0437DBDA3AC044F71D935565C466
SHA256:	D5BB509C9CEA3EF9E70C2D3525B51026C3D6B641BA2C48D26C14A951085F9373
SSDEEP:	6144:wkV1I5gmIlMkcLV9J1MgXzZUa/r5kZDZFLBZp4lQMDdt0us1a:/V1I5gmIH5gGGIZ5BZpEQMT0uz

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:: off
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 (68.0.3440.106)
Google Update Helper (1.3.33.17)
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 61.0.2 (x86 en-US) (61.0.2)
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 dropped or rewritten executable
  - SearchProtocolHost.exe (PID: 2124)
- Application was dropped or rewritten from another process
  - OTPUpdater.exe (PID: 3568)
SUSPICIOUS
- Executable content was dropped or overwritten
  - Office Tool Plus.exe (PID: 3408)
  - OTPUpdater.exe (PID: 3568)
- Reads Internet Cache Settings
  - Office Tool Plus.exe (PID: 3408)
INFO
- Reads settings of System Certificates
  - Office Tool Plus.exe (PID: 3408)
  - OTPUpdater.exe (PID: 3568)

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	\|	Generic CIL Executable (.NET, Mono, etc.) (63.1)
.exe	\|	Win64 Executable (generic) (23.8)
.dll	\|	Win32 Dynamic Link Library (generic) (5.6)
.exe	\|	Win32 Executable (generic) (3.8)
.exe	\|	Generic Win/DOS Executable (1.7)

EXIF

EXE

MachineType:	Intel 386 or later, and compatibles
TimeStamp:	2018:09:29 02:23:32+02:00
PEType:	PE32
LinkerVersion:	11
CodeSize:	745984
InitializedDataSize:	170496
UninitializedDataSize:	-
EntryPoint:	0xb80ee
OSVersion:	4
ImageVersion:	-
SubsystemVersion:	6
Subsystem:	Windows GUI
FileVersionNumber:	5.1.0.3
ProductVersionNumber:	5.1.0.3
FileFlagsMask:	0x003f
FileFlags:	(none)
FileOS:	Win32
ObjectFileType:	Executable application
FileSubtype:	-
LanguageCode:	Neutral
CharacterSet:	Unicode
CompanyName:	Landian Office 365
FileDescription:	Office Tool Plus
FileVersion:	5.1.0.3
InternalName:	Office Tool Plus.exe
LegalCopyright:	Copyright © 2012-2018 蓝点网版权所有 All Rights Reserved.
OriginalFileName:	Office Tool Plus.exe
ProductName:	Office Tool Plus
ProductVersion:	5.1.0.3
AssemblyVersion:	5.1.0.3

Summary

Architecture:	IMAGE_FILE_MACHINE_I386
Subsystem:	IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date:	29-Sep-2018 00:23:32
CompanyName:	Landian Office 365
FileDescription:	Office Tool Plus
FileVersion:	5.1.0.3
InternalName:	Office Tool Plus.exe
LegalCopyright:	Copyright © 2012-2018 蓝点网版权所有 All Rights Reserved.
OriginalFilename:	Office Tool Plus.exe
ProductName:	Office Tool Plus
ProductVersion:	5.1.0.3
Assembly Version:	5.1.0.3

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:	29-Sep-2018 00:23:32
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_LARGE_ADDRESS_AWARE

Sections

Name	Virtual Address	Virtual Size	Raw Size	Charateristics	Entropy
.text	0x00002000	0x000B60F4	0x000B6200	IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ	5.05055
.rsrc	0x000BA000	0x00029678	0x00029800	IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ	2.15489
.reloc	0x000E4000	0x0000000C	0x00000200	IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ	0.10191

Resources

Title	Entropy	Size	Codepage	Language	Type
1	5.88428	3328	UNKNOWN	UNKNOWN	RT_MANIFEST
2	2.62153	296	UNKNOWN	UNKNOWN	RT_ICON
3	1.49029	11432	UNKNOWN	UNKNOWN	RT_ICON
4	1.48702	7112	UNKNOWN	UNKNOWN	RT_ICON
5	1.47727	5672	UNKNOWN	UNKNOWN	RT_ICON
6	1.53507	5144	UNKNOWN	UNKNOWN	RT_ICON
7	1.4454	3752	UNKNOWN	UNKNOWN	RT_ICON
8	1.47956	2984	UNKNOWN	UNKNOWN	RT_ICON
9	1.37812	2216	UNKNOWN	UNKNOWN	RT_ICON
10	1.33842	1736	UNKNOWN	UNKNOWN	RT_ICON

Imports


mscoree.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

360

"C:\Users\admin\Desktop\Office Tool Plus.exe"

C:\Users\admin\Desktop\Office Tool Plus.exe

—

explorer.exe

User:

admin

Company:

Landian Office 365

Integrity Level:

MEDIUM

Description:

Office Tool Plus

Exit code:

3221226540

Version:

5.1.0.3

Modules

Images
c:\users\admin\desktop\office tool plus.exe
c:\systemroot\system32\ntdll.dll

2124

"C:\Windows\system32\SearchProtocolHost.exe" Global\UsGthrFltPipeMssGthrPipe13_ Global\UsGthrCtrlFltPipeMssGthrPipe13 1 -2147483646 "Software\Microsoft\Windows Search" "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT; MS Search 4.0 Robot)" "C:\ProgramData\Microsoft\Search\Data\Temp\usgthrsvc" "DownLevelDaemon"

C:\Windows\System32\SearchProtocolHost.exe

—

SearchIndexer.exe

User:

SYSTEM

Company:

Microsoft Corporation

Integrity Level:

SYSTEM

Description:

Microsoft Windows Search Protocol Host

Exit code:

Version:

7.00.7600.16385 (win7_rtm.090713-1255)

Modules

Images
c:\windows\system32\searchprotocolhost.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
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll

3408

"C:\Users\admin\Desktop\Office Tool Plus.exe"

C:\Users\admin\Desktop\Office Tool Plus.exe

explorer.exe

User:

admin

Company:

Landian Office 365

Integrity Level:

HIGH

Description:

Office Tool Plus

Exit code:

Version:

5.1.0.3

Modules

Images
c:\users\admin\desktop\office tool plus.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\mscoree.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\microsoft.net\framework\v4.0.30319\mscoreei.dll

3568

"C:\Users\admin\Desktop\OTPUpdater.exe" /fix

C:\Users\admin\Desktop\OTPUpdater.exe

Office Tool Plus.exe

User:

admin

Company:

Landian Office 365

Integrity Level:

HIGH

Description:

OTP Updater

Exit code:

Version:

2.5.0.0

Modules

Images
c:\users\admin\desktop\otpupdater.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\mscoree.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\microsoft.net\framework\v4.0.30319\mscoreei.dll

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Total events

521

Read events

467

Write events

Delete events

Modification events


(PID) Process:	(3408) Office Tool Plus.exe	Key:	HKEY_CURRENT_USER\Software\Microsoft\Direct3D\MostRecentApplication
Operation:	write	Name:	Name
Value: Office Tool Plus.exe
(PID) Process:	(3408) Office Tool Plus.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Office Tool Plus_RASAPI32
Operation:	write	Name:	EnableFileTracing
Value: 0
(PID) Process:	(3408) Office Tool Plus.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Office Tool Plus_RASAPI32
Operation:	write	Name:	EnableConsoleTracing
Value: 0
(PID) Process:	(3408) Office Tool Plus.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Office Tool Plus_RASAPI32
Operation:	write	Name:	FileTracingMask
Value: 4294901760
(PID) Process:	(3408) Office Tool Plus.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Office Tool Plus_RASAPI32
Operation:	write	Name:	ConsoleTracingMask
Value: 4294901760
(PID) Process:	(3408) Office Tool Plus.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Office Tool Plus_RASAPI32
Operation:	write	Name:	MaxFileSize
Value: 1048576
(PID) Process:	(3408) Office Tool Plus.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Office Tool Plus_RASAPI32
Operation:	write	Name:	FileDirectory
Value: %windir%\tracing
(PID) Process:	(3408) Office Tool Plus.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Office Tool Plus_RASMANCS
Operation:	write	Name:	EnableFileTracing
Value: 0
(PID) Process:	(3408) Office Tool Plus.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Office Tool Plus_RASMANCS
Operation:	write	Name:	EnableConsoleTracing
Value: 0
(PID) Process:	(3408) Office Tool Plus.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Office Tool Plus_RASMANCS
Operation:	write	Name:	FileTracingMask
Value: 4294901760

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Executable files

Suspicious files

Text files

Unknown types

Dropped files

PID	Process	Filename		Type
3408	Office Tool Plus.exe	C:\Users\admin\Desktop\OTPUpdater.exe		executable
		MD5:—	SHA256:—
3568	OTPUpdater.exe	C:\Users\admin\Desktop\OTP.exe		executable
		MD5:—	SHA256:—
3568	OTPUpdater.exe	C:\Users\admin\Desktop\files\Thunder\zlib1.dll		executable
		MD5:57E11CB59CFF3BCE88681847D807CF06	SHA256:A21616050ED5F1BB9E1325089B5D1411DA8F12E0060280E5EF41F80EED214066
3568	OTPUpdater.exe	C:\Users\admin\Desktop\files\Thunder\xldl.dll		executable
		MD5:B700BD2DAF84E4DBBCAD96221A772D6B	SHA256:63AE9DD4A504261591F06BD9457D07629155241DF615BD46A0FB48E76C5E9D56
3568	OTPUpdater.exe	C:\Users\admin\Desktop\files\Thunder\MiniThunderPlatform.exe		executable
		MD5:—	SHA256:—
3568	OTPUpdater.exe	C:\Users\admin\Desktop\files\Thunder\msvcr71.dll		executable
		MD5:CA2F560921B7B8BE1CF555A5A18D54C3	SHA256:C4D4339DF314A27FF75A38967B7569D9962337B8D4CD4B0DB3ABA5FF72B2BFBB
3568	OTPUpdater.exe	C:\Users\admin\Desktop\files\Thunder\msvcp71.dll		executable
		MD5:A94DC60A90EFD7A35C36D971E3EE7470	SHA256:6C483CBE349863C7DCF6F8CB7334E7D28C299E7D5AA063297EA2F62352F6BDD9

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HTTP(S) requests

TCP/UDP connections

DNS requests

Threats

HTTP requests

No HTTP requests

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Connections

PID	Process	IP	Domain	ASN	CN	Reputation
3408	Office Tool Plus.exe	222.186.170.7:443	server.lancdn.com	No.31,Jin-rong Street	CN	unknown
3568	OTPUpdater.exe	222.186.170.7:443	server.lancdn.com	No.31,Jin-rong Street	CN	unknown

DNS requests

Domain	IP	Reputation
server.lancdn.com	222.186.170.7	malicious

Threats

No threats detected

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No debug info

General Info

Office Tool Plus.exe

C922877DF6881FD710C2F8817D9BA628

EB39E0A0BCAF0437DBDA3AC044F71D935565C466

D5BB509C9CEA3EF9E70C2D3525B51026C3D6B641BA2C48D26C14A951085F9373

6144:wkV1I5gmIlMkcLV9J1MgXzZUa/r5kZDZFLBZp4lQMDdt0us1a:/V1I5gmIH5gGGIZ5BZpEQMT0uz

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

SUSPICIOUS

Executable content was dropped or overwritten

Reads Internet Cache Settings

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

Registry activity

Modification events

Files activity

Dropped files

Network activity

HTTP requests

Connections

DNS requests

Threats

Debug output strings