Malware analysis Shadowsocks.exe Suspicious activity | ANY.RUN

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File name:	Shadowsocks.exe
Full analysis:	https://app.any.run/tasks/c1aed271-4156-494f-ae99-caeaeee747e4
Verdict:	Suspicious activity
Analysis date:	July 30, 2019, 15:50:26
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:	DFCAA8A864C9D2E6605BB9A7C23267B2
SHA1:	A4E387F0C4CFA6813937224213447575A4005886
SHA256:	AFEC8DFACE828B0092E2BD068587C06C917F7E70B36CC82E57BECD14E3D9570B
SSDEEP:	49152:joQC8YyoLNgbT3o9gC7qLLaOPyBOsJ4/xRWWr5unhBOLn2mVARKE:joQC8GIY9g7PaBBy/xkWrahw5E

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:: 180 seconds
Heavy Evasion option:: off
Network geolocation:: off
Additional time used:: 120 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 (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
  - ss_privoxy.exe (PID: 3128)
  - sysproxy.exe (PID: 3504)
  - sysproxy.exe (PID: 3000)
SUSPICIOUS
- Executable content was dropped or overwritten
  - Shadowsocks.exe (PID: 3664)
- Reads Internet Cache Settings
  - rundll32.exe (PID: 3532)
- Creates files in the user directory
  - rundll32.exe (PID: 3532)
- Uses RUNDLL32.EXE to load library
  - sysproxy.exe (PID: 3000)
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	\|	Generic CIL Executable (.NET, Mono, etc.) (56.7)
.exe	\|	Win64 Executable (generic) (21.3)
.scr	\|	Windows screen saver (10.1)
.dll	\|	Win32 Dynamic Link Library (generic) (5)
.exe	\|	Win32 Executable (generic) (3.4)

EXIF

EXE

MachineType:	Intel 386 or later, and compatibles
TimeStamp:	2019:07:14 14:07:39+02:00
PEType:	PE32
LinkerVersion:	48
CodeSize:	2382848
InitializedDataSize:	23040
UninitializedDataSize:	-
EntryPoint:	0x247b8e
OSVersion:	4
ImageVersion:	-
SubsystemVersion:	4
Subsystem:	Windows GUI
FileVersionNumber:	4.1.7.1
ProductVersionNumber:	4.1.7.1
FileFlagsMask:	0x003f
FileFlags:	(none)
FileOS:	Win32
ObjectFileType:	Executable application
FileSubtype:	-
LanguageCode:	Neutral
CharacterSet:	Unicode
Comments:	-
CompanyName:	-
FileDescription:	Shadowsocks
FileVersion:	4.1.7.1
InternalName:	Shadowsocks.exe
LegalCopyright:	clowwindy & community 2019
LegalTrademarks:	-
OriginalFileName:	Shadowsocks.exe
ProductName:	Shadowsocks
ProductVersion:	4.1.7.1
AssemblyVersion:	4.1.7.1

Summary

Architecture:	IMAGE_FILE_MACHINE_I386
Subsystem:	IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date:	14-Jul-2019 12:07:39
Debug artifacts:	C:\projects\shadowsocks-windows\shadowsocks-csharp\obj\x86\Release\Shadowsocks.pdb
Comments:	-
CompanyName:	-
FileDescription:	Shadowsocks
FileVersion:	4.1.7.1
InternalName:	Shadowsocks.exe
LegalCopyright:	clowwindy & community 2019
LegalTrademarks:	-
OriginalFilename:	Shadowsocks.exe
ProductName:	Shadowsocks
ProductVersion:	4.1.7.1
Assembly Version:	4.1.7.1

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:	14-Jul-2019 12:07:39
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	0x00002000	0x00245B94	0x00245C00	IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ	7.93611
.rsrc	0x00248000	0x00005668	0x00005800	IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ	4.49646
.reloc	0x0024E000	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	5.16178	1436	UNKNOWN	UNKNOWN	RT_MANIFEST
2	2.87827	4264	UNKNOWN	UNKNOWN	RT_ICON
3	2.60699	9640	UNKNOWN	UNKNOWN	RT_ICON
4	7.6861	4301	UNKNOWN	UNKNOWN	RT_ICON
32512	2.39374	62	UNKNOWN	UNKNOWN	RT_GROUP_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

3000

"C:\Users\admin\AppData\Local\Temp\ss_win_temp\sysproxy.exe" set 1 - - -

C:\Users\admin\AppData\Local\Temp\ss_win_temp\sysproxy.exe

—

Shadowsocks.exe

User:

admin

Company:

Shadowsocks.org

Integrity Level:

MEDIUM

Description:

System Proxy Agent

Exit code:

Version:

1.0.0.1

Modules

Images
c:\users\admin\appdata\local\temp\ss_win_temp\sysproxy.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\rasapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\user32.dll

3128

"C:\Users\admin\AppData\Local\Temp\ss_win_temp\ss_privoxy.exe" privoxy_-732403044.conf

C:\Users\admin\AppData\Local\Temp\ss_win_temp\ss_privoxy.exe

—

Shadowsocks.exe

User:

admin

Company:

The Privoxy team - www.privoxy.org

Integrity Level:

MEDIUM

Description:

Privoxy

Exit code:

Version:

3.0.28

Modules

Images
c:\users\admin\appdata\local\temp\ss_win_temp\ss_privoxy.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\shell32.dll

3504

"C:\Users\admin\AppData\Local\Temp\ss_win_temp\sysproxy.exe" query

C:\Users\admin\AppData\Local\Temp\ss_win_temp\sysproxy.exe

—

Shadowsocks.exe

User:

admin

Company:

Shadowsocks.org

Integrity Level:

MEDIUM

Description:

System Proxy Agent

Exit code:

Version:

1.0.0.1

Modules

Images
c:\users\admin\appdata\local\temp\ss_win_temp\sysproxy.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\rasapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\user32.dll

3532

"C:\Windows\system32\rundll32.exe" "C:\Windows\system32\WININET.dll",DispatchAPICall 1

C:\Windows\system32\rundll32.exe

—

sysproxy.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

LOW

Description:

Windows host process (Rundll32)

Exit code:

Version:

6.1.7600.16385 (win7_rtm.090713-1255)

Modules

Images
c:\windows\system32\rundll32.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\imagehlp.dll

3664

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

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

explorer.exe

User:

admin

Integrity Level:

MEDIUM

Description:

Shadowsocks

Exit code:

Version:

4.1.7.1

Modules

Images
c:\users\admin\appdata\local\temp\shadowsocks.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\mscoree.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

476

Read events

452

Write events

Delete events

Modification events


(PID) Process:	(3664) Shadowsocks.exe	Key:	HKEY_CURRENT_USER\Software\Microsoft\Direct3D\MostRecentApplication
Operation:	write	Name:	Name
Value: Shadowsocks.exe
(PID) Process:	(3664) Shadowsocks.exe	Key:	HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:	write	Name:	UNCAsIntranet
Value: 0
(PID) Process:	(3664) Shadowsocks.exe	Key:	HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:	write	Name:	AutoDetect
Value: 1
(PID) Process:	(3000) sysproxy.exe	Key:	HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections
Operation:	write	Name:	DefaultConnectionSettings
Value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
(PID) Process:	(3000) sysproxy.exe	Key:	HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings
Operation:	write	Name:	ProxyEnable
Value: 0
(PID) Process:	(3000) sysproxy.exe	Key:	HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections
Operation:	write	Name:	SavedLegacySettings
Value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
(PID) Process:	(3000) sysproxy.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\sysproxy_RASAPI32
Operation:	write	Name:	EnableFileTracing
Value: 0
(PID) Process:	(3000) sysproxy.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\sysproxy_RASAPI32
Operation:	write	Name:	EnableConsoleTracing
Value: 0
(PID) Process:	(3000) sysproxy.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\sysproxy_RASAPI32
Operation:	write	Name:	FileTracingMask
Value: 4294901760
(PID) Process:	(3000) sysproxy.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\sysproxy_RASAPI32
Operation:	write	Name:	ConsoleTracingMask
Value: 4294901760

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Executable files

Suspicious files

Text files

Unknown types

Dropped files

PID	Process	Filename		Type
3664	Shadowsocks.exe	C:\Users\admin\AppData\Local\Temp\ss_win_temp\privoxy_-732403044.conf		text
		MD5:—	SHA256:—
3532	rundll32.exe	C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Low\desktop.ini		ini
		MD5:4A3DEB274BB5F0212C2419D3D8D08612	SHA256:2842973D15A14323E08598BE1DFB87E54BF88A76BE8C7BC94C56B079446EDF38
3664	Shadowsocks.exe	C:\Users\admin\AppData\Local\Temp\ss_win_temp\sysproxy.exe		executable
		MD5:37DDCCA40070900CD870F5E1D42F267B	SHA256:EC334E443A3362A84B5915A266BEC60E63F604FDB77B09C993898EC7A438294B
3664	Shadowsocks.exe	C:\Users\admin\AppData\Local\Temp\ss_win_temp\user-wininet.json		text
		MD5:190D9F92D3F50C2A6E49158C8EA5C987	SHA256:FFC21B53428A6471E9EC3F58EFCE7AFB4A1A374F4620169566336C902A3AB770
3532	rundll32.exe	C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Low\Content.IE5\M6US5G1F\desktop.ini		ini
		MD5:4A3DEB274BB5F0212C2419D3D8D08612	SHA256:2842973D15A14323E08598BE1DFB87E54BF88A76BE8C7BC94C56B079446EDF38
3532	rundll32.exe	C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Low\Content.IE5\desktop.ini		ini
		MD5:4A3DEB274BB5F0212C2419D3D8D08612	SHA256:2842973D15A14323E08598BE1DFB87E54BF88A76BE8C7BC94C56B079446EDF38
3532	rundll32.exe	C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Low\Content.IE5\Z25NW89Q\desktop.ini		ini
		MD5:4A3DEB274BB5F0212C2419D3D8D08612	SHA256:2842973D15A14323E08598BE1DFB87E54BF88A76BE8C7BC94C56B079446EDF38
3532	rundll32.exe	C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Low\Content.IE5\4YX3MTCA\desktop.ini		ini
		MD5:4A3DEB274BB5F0212C2419D3D8D08612	SHA256:2842973D15A14323E08598BE1DFB87E54BF88A76BE8C7BC94C56B079446EDF38
3532	rundll32.exe	C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Low\Content.IE5\SEH3Y21C\desktop.ini		ini
		MD5:4A3DEB274BB5F0212C2419D3D8D08612	SHA256:2842973D15A14323E08598BE1DFB87E54BF88A76BE8C7BC94C56B079446EDF38
3532	rundll32.exe	C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Low\Content.IE5\index.dat		dat
		MD5:—	SHA256:—

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HTTP(S) requests

TCP/UDP connections

DNS requests

Threats

HTTP requests

No HTTP requests

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Connections

No data

DNS requests

No data

Threats

No threats detected

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No debug info

General Info

Shadowsocks.exe

DFCAA8A864C9D2E6605BB9A7C23267B2

A4E387F0C4CFA6813937224213447575A4005886

AFEC8DFACE828B0092E2BD068587C06C917F7E70B36CC82E57BECD14E3D9570B

49152:joQC8YyoLNgbT3o9gC7qLLaOPyBOsJ4/xRWWr5unhBOLn2mVARKE:joQC8GIY9g7PaBBy/xkWrahw5E

Software environment set and analysis options

Launch configuration

Software preset

Hotfixes

Behavior activities

MALICIOUS

Application was dropped or rewritten from another process

SUSPICIOUS

Executable content was dropped or overwritten

Reads Internet Cache Settings

Creates files in the user directory

Uses RUNDLL32.EXE to load library

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