Malware analysis svchost.exe Malicious activity | ANY.RUN

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File name:	svchost.exe
Full analysis:	https://app.any.run/tasks/6fc54873-5c2d-4ad3-95b9-b269501b1460
Verdict:	Malicious activity
Analysis date:	March 14, 2019, 06:35:06
OS:	Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:	installer
Indicators:
MIME:	application/x-dosexec
File info:	PE32 executable (GUI) Intel 80386, for MS Windows
MD5:	51ACFE74483312EADE8AE5EB76686973
SHA1:	59EF584B7709805D099F35805E5EE90715AA04AE
SHA256:	578F329575B12AD98CFCDBB46002016F50A869B9AEE5FEA84E71E1AD141422B9
SSDEEP:	24576:ngm9ZNxgCo3c5EbnXXz6wKBrEFVmj3BE9vxr3OTTfwCWES3UDVG1LcT+/hAdNl:/Do3cKjew/S3Yxr3OTbwIS0Vq/hY

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:: on
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 (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
- Application was dropped or rewritten from another process
  - csrss.exe (PID: 2392)
- Loads dropped or rewritten executable
  - csrss.exe (PID: 2392)
SUSPICIOUS
- Creates files in the user directory
  - svchost.exe (PID: 3052)
- Uses RUNDLL32.EXE to load library
  - csrss.exe (PID: 2392)
- Creates files in the program directory
  - csrss.exe (PID: 2392)
- Executable content was dropped or overwritten
  - svchost.exe (PID: 3052)
INFO
- Reads Microsoft Office registry keys
  - WINWORD.EXE (PID: 2876)
- Creates files in the user directory
  - WINWORD.EXE (PID: 2876)

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	\|	InstallShield setup (33)
.exe	\|	Win32 Executable MS Visual C++ (generic) (23.9)
.exe	\|	Win64 Executable (generic) (21.2)
.scr	\|	Windows screen saver (10)
.dll	\|	Win32 Dynamic Link Library (generic) (5)

EXIF

EXE

MachineType:	Intel 386 or later, and compatibles
TimeStamp:	2013:11:07 12:09:18+01:00
PEType:	PE32
LinkerVersion:	6
CodeSize:	139264
InitializedDataSize:	53248
UninitializedDataSize:	-
EntryPoint:	0x1c312
OSVersion:	4
ImageVersion:	-
SubsystemVersion:	4
Subsystem:	Windows GUI
FileVersionNumber:	2.0.0.44
ProductVersionNumber:	2.0.0.44
FileFlagsMask:	0x003f
FileFlags:	(none)
FileOS:	Windows NT 32-bit
ObjectFileType:	Executable application
FileSubtype:	-
LanguageCode:	English (U.S.)
CharacterSet:	Unicode
Comments:	-
CompanyName:	-
FileDescription:	-
FileVersion:	2, 0, 0, 44
InternalName:	-
LegalCopyright:	-
LegalTrademarks:	-
OriginalFileName:	-
PrivateBuild:	-
ProductName:	MyProduct Install Program
ProductVersion:	2, 0, 0, 44
SpecialBuild:	-

Summary

Architecture:	IMAGE_FILE_MACHINE_I386
Subsystem:	IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date:	07-Nov-2013 11:09:18
Detected languages:	English - United States
Comments:	-
CompanyName:	-
FileDescription:	-
FileVersion:	2, 0, 0, 44
InternalName:	-
LegalCopyright:	-
LegalTrademarks:	-
OriginalFilename:	-
PrivateBuild:	-
ProductName:	MyProduct Install Program
ProductVersion:	2, 0, 0, 44
SpecialBuild:	-

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:	0x000000F0

PE Headers

Signature:	PE
Machine:	IMAGE_FILE_MACHINE_I386
Number of sections:	4
Time date stamp:	07-Nov-2013 11:09:18
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
.text	0x00001000	0x0002189A	0x00022000	IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ	6.61963
.rdata	0x00023000	0x0000206A	0x00003000	IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ	4.12607
.data	0x00026000	0x000062A0	0x00006000	IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE	3.08473
.rsrc	0x0002D000	0x00002BD0	0x00003000	IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ	4.65191

Resources

Title	Entropy	Size	Codepage	Language	Type
1	5.24718	971	UNKNOWN	English - United States	RT_MANIFEST
2	3.42299	1384	UNKNOWN	English - United States	RT_ICON
3	2.8437	744	UNKNOWN	English - United States	RT_ICON
4	5.61539	2216	UNKNOWN	English - United States	RT_ICON
5	5.05813	3752	UNKNOWN	English - United States	RT_ICON
112	1.86945	38	UNKNOWN	English - United States	RT_DIALOG
113	1.86945	38	UNKNOWN	English - United States	RT_DIALOG
131	2.6218	122	UNKNOWN	English - United States	RT_DIALOG
132	1.81682	38	UNKNOWN	English - United States	RT_DIALOG
800	2.77728	76	UNKNOWN	English - United States	RT_GROUP_ICON

Imports


ADVAPI32.dll
COMCTL32.dll
GDI32.dll
KERNEL32.dll
SHELL32.dll
USER32.dll
VERSION.dll
comdlg32.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

2392

"C:\Users\admin\AppData\Roaming\Windows\csrss.exe"

C:\Users\admin\AppData\Roaming\Windows\csrss.exe

—

svchost.exe

User:

admin

Company:

ООО Яндекс

Integrity Level:

MEDIUM

Description:

Client Server Runtime Process

Exit code:

Version:

3, 2, 9, 240

Modules

Images
c:\users\admin\appdata\roaming\windows\csrss.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\winmm.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll

2876

"C:\Program Files\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\admin\Desktop\notejuly.rtf"

C:\Program Files\Microsoft Office\Office14\WINWORD.EXE

—

explorer.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Microsoft Word

Exit code:

Version:

14.0.6024.1000

Modules

Images
c:\program files\microsoft office\office14\winword.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.vc90.crt_1fc8b3b9a1e18e3b_9.0.30729.6161_none_50934f2ebcb7eb57\msvcr90.dll
c:\windows\winsxs\x86_microsoft.windows.common-controls_6595b64144ccf1df_5.82.7601.17514_none_ec83dffa859149af\comctl32.dll

3052

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

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

explorer.exe

User:

admin

Integrity Level:

MEDIUM

Exit code:

Version:

2, 0, 0, 44

Modules

Images
c:\users\admin\appdata\local\temp\svchost.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\comdlg32.dll

4072

RunDll32.exe shell32.dll,Control_RunDLL input.dll

C:\Windows\system32\RunDll32.exe

—

csrss.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

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\msvcrt.dll
c:\windows\system32\usp10.dll
c:\windows\system32\imagehlp.dll

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Total events

1 194

Read events

755

Write events

424

Delete events

Modification events


(PID) Process:	(2392) csrss.exe	Key:	HKEY_CURRENT_USER\Control Panel\Desktop
Operation:	write	Name:	LowLevelHooksTimeout
Value: 3000
(PID) Process:	(4072) RunDll32.exe	Key:	HKEY_CLASSES_ROOT\Local Settings\MuiCache\5F\52C64B7E
Operation:	write	Name:	LanguageList
Value: en-US
(PID) Process:	(4072) RunDll32.exe	Key:	HKEY_CLASSES_ROOT\Local Settings\MuiCache\5F\52C64B7E
Operation:	write	Name:	@%SystemRoot%\system32\input.dll,-5084
Value: Arabic (101)
(PID) Process:	(4072) RunDll32.exe	Key:	HKEY_CLASSES_ROOT\Local Settings\MuiCache\5F\52C64B7E
Operation:	write	Name:	@%SystemRoot%\system32\input.dll,-5053
Value: Bulgarian (Typewriter)
(PID) Process:	(4072) RunDll32.exe	Key:	HKEY_CLASSES_ROOT\Local Settings\MuiCache\5F\52C64B7E
Operation:	write	Name:	@%SystemRoot%\system32\input.dll,-5065
Value: Chinese (Traditional) - US Keyboard
(PID) Process:	(4072) RunDll32.exe	Key:	HKEY_CLASSES_ROOT\Local Settings\MuiCache\5F\52C64B7E
Operation:	write	Name:	@%SystemRoot%\system32\input.dll,-5031
Value: Czech
(PID) Process:	(4072) RunDll32.exe	Key:	HKEY_CLASSES_ROOT\Local Settings\MuiCache\5F\52C64B7E
Operation:	write	Name:	@%SystemRoot%\system32\input.dll,-5007
Value: Danish
(PID) Process:	(4072) RunDll32.exe	Key:	HKEY_CLASSES_ROOT\Local Settings\MuiCache\5F\52C64B7E
Operation:	write	Name:	@%SystemRoot%\system32\input.dll,-5011
Value: German
(PID) Process:	(4072) RunDll32.exe	Key:	HKEY_CLASSES_ROOT\Local Settings\MuiCache\5F\52C64B7E
Operation:	write	Name:	@%SystemRoot%\system32\input.dll,-5046
Value: Greek
(PID) Process:	(4072) RunDll32.exe	Key:	HKEY_CLASSES_ROOT\Local Settings\MuiCache\5F\52C64B7E
Operation:	write	Name:	@%SystemRoot%\system32\input.dll,-5000
Value: US

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Executable files

Suspicious files

Text files

Unknown types

Dropped files

PID	Process	Filename		Type
3052	svchost.exe	C:\Users\admin\AppData\Roaming\Windows\diary.$A		—
		MD5:—	SHA256:—
3052	svchost.exe	C:\Users\admin\AppData\Roaming\Windows\Data\ps.$A		—
		MD5:—	SHA256:—
3052	svchost.exe	C:\Users\admin\AppData\Roaming\Windows\Data\translit-en.$A		—
		MD5:—	SHA256:—
3052	svchost.exe	C:\Users\admin\AppData\Roaming\Windows\Data\translit-ru.$A		—
		MD5:—	SHA256:—
3052	svchost.exe	C:\Users\admin\AppData\Roaming\Windows\Data\triggers.$A		—
		MD5:—	SHA256:—
3052	svchost.exe	C:\Users\admin\AppData\Roaming\Windows\csrss.$A		—
		MD5:—	SHA256:—
3052	svchost.exe	C:\Users\admin\AppData\Roaming\Windows\layouts.$A		—
		MD5:—	SHA256:—
3052	svchost.exe	C:\Users\admin\AppData\Roaming\Windows\ps64ldr.$A		—
		MD5:—	SHA256:—
3052	svchost.exe	C:\Users\admin\AppData\Roaming\Windows\pshook.$A		—
		MD5:—	SHA256:—
3052	svchost.exe	C:\Users\admin\AppData\Roaming\Windows\pshook64.$A		—
		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

svchost.exe

51ACFE74483312EADE8AE5EB76686973

59EF584B7709805D099F35805E5EE90715AA04AE

578F329575B12AD98CFCDBB46002016F50A869B9AEE5FEA84E71E1AD141422B9

24576:ngm9ZNxgCo3c5EbnXXz6wKBrEFVmj3BE9vxr3OTTfwCWES3UDVG1LcT+/hAdNl:/Do3cKjew/S3Yxr3OTbwIS0Vq/hY

Software environment set and analysis options

Launch configuration

Software preset

Hotfixes

Behavior activities

MALICIOUS

Application was dropped or rewritten from another process

Loads dropped or rewritten executable

SUSPICIOUS

Creates files in the user directory

Uses RUNDLL32.EXE to load library

Creates files in the program directory

Executable content was dropped or overwritten

INFO

Reads Microsoft Office registry keys

Creates files in the user directory

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