Malware analysis spoolsv.exe Malicious activity | ANY.RUN

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File name:	spoolsv.exe
Full analysis:	https://app.any.run/tasks/7e254343-7bd5-4f1e-9678-c3cf9c7f8e98
Verdict:	Malicious activity
Analysis date:	August 17, 2019, 19:56:13
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:	CBA36E98CD956A032352416399B5958F
SHA1:	53AE611DD81E15406EDB27513492142F9D1CCCF2
SHA256:	E21EB323B43664B6BD1BCA942FA3E258D79FF86E636538900A7EE03B73A6E9A3
SSDEEP:	3072:u8dn7UHQTDzpDt2Jp8evOHnXIjX60SvPLG0nfbc:u8d7XHSp8XXr0SX

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 68.0.1 (x86 en-US) (68.0.1)
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
- Writes to a start menu file
  - spoolsv.exe (PID: 3704)
SUSPICIOUS
- Creates files in the user directory
  - spoolsv.exe (PID: 3704)
- Executable content was dropped or overwritten
  - spoolsv.exe (PID: 3704)
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.) (81)
.dll	\|	Win32 Dynamic Link Library (generic) (7.2)
.exe	\|	Win32 Executable (generic) (4.9)
.exe	\|	Win16/32 Executable Delphi generic (2.2)
.exe	\|	Generic Win/DOS Executable (2.2)

EXIF

EXE

MachineType:	Intel 386 or later, and compatibles
TimeStamp:	2089:11:30 05:07:23+01:00
PEType:	PE32
LinkerVersion:	6
CodeSize:	115712
InitializedDataSize:	2560
UninitializedDataSize:	-
EntryPoint:	0x1e30e
OSVersion:	4
ImageVersion:	-
SubsystemVersion:	4
Subsystem:	Windows GUI
FileVersionNumber:	1.0.0.0
ProductVersionNumber:	1.0.0.0
FileFlagsMask:	0x003f
FileFlags:	(none)
FileOS:	Win32
ObjectFileType:	Executable application
FileSubtype:	-
LanguageCode:	Neutral
CharacterSet:	Unicode
Comments:	-
CompanyName:	-
FileDescription:	-
FileVersion:	1.0.0.0
InternalName:	spoolsv.exe
LegalCopyright:	-
LegalTrademarks:	-
OriginalFileName:	spoolsv.exe
ProductName:	-
ProductVersion:	1.0.0.0
AssemblyVersion:	1.0.0.0

Summary

Architecture:	IMAGE_FILE_MACHINE_I386
Subsystem:	IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date:	24-Oct-1953 21:39:07
Debug artifacts:	spoolsv.pdb
Comments:	-
CompanyName:	-
FileDescription:	-
FileVersion:	1.0.0.0
InternalName:	spoolsv.exe
LegalCopyright:	-
LegalTrademarks:	-
OriginalFilename:	spoolsv.exe
ProductName:	-
ProductVersion:	1.0.0.0
Assembly Version:	1.0.0.0

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:	4
Time date stamp:	24-Oct-1953 21:39:07
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 IMAGE_FILE_LINE_NUMS_STRIPPED IMAGE_FILE_LOCAL_SYMS_STRIPPED

Sections

Name	Virtual Address	Virtual Size	Raw Size	Charateristics	Entropy
.text	0x00002000	0x0001C314	0x0001C400	IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ	6.06255
.sdata	0x00020000	0x000001E8	0x00000200	IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE	6.61922
.rsrc	0x00022000	0x00000560	0x00000600	IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ	3.91283
.reloc	0x00024000	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	5.00112	490	UNKNOWN	UNKNOWN	RT_MANIFEST

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
3704	"C:\Users\admin\AppData\Local\Temp\spoolsv.exe"	C:\Users\admin\AppData\Local\Temp\spoolsv.exe		explorer.exe
User: admin Integrity Level: MEDIUM Version: 1.0.0.0

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Total events

Read events

Write events

Delete events

Modification events


(PID) Process:	(3704) spoolsv.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\spoolsv_RASAPI32
Operation:	write	Name:	EnableFileTracing
Value: 0
(PID) Process:	(3704) spoolsv.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\spoolsv_RASAPI32
Operation:	write	Name:	EnableConsoleTracing
Value: 0
(PID) Process:	(3704) spoolsv.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\spoolsv_RASAPI32
Operation:	write	Name:	FileTracingMask
Value: 4294901760
(PID) Process:	(3704) spoolsv.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\spoolsv_RASAPI32
Operation:	write	Name:	ConsoleTracingMask
Value: 4294901760
(PID) Process:	(3704) spoolsv.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\spoolsv_RASAPI32
Operation:	write	Name:	MaxFileSize
Value: 1048576
(PID) Process:	(3704) spoolsv.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\spoolsv_RASAPI32
Operation:	write	Name:	FileDirectory
Value: %windir%\tracing
(PID) Process:	(3704) spoolsv.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\spoolsv_RASMANCS
Operation:	write	Name:	EnableFileTracing
Value: 0
(PID) Process:	(3704) spoolsv.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\spoolsv_RASMANCS
Operation:	write	Name:	EnableConsoleTracing
Value: 0
(PID) Process:	(3704) spoolsv.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\spoolsv_RASMANCS
Operation:	write	Name:	FileTracingMask
Value: 4294901760
(PID) Process:	(3704) spoolsv.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\spoolsv_RASMANCS
Operation:	write	Name:	ConsoleTracingMask
Value: 4294901760

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Executable files

Suspicious files

Text files

Unknown types

Dropped files

PID	Process	Filename		Type
3704	spoolsv.exe	C:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\spoolsv.exe		executable
		MD5:CBA36E98CD956A032352416399B5958F	SHA256:E21EB323B43664B6BD1BCA942FA3E258D79FF86E636538900A7EE03B73A6E9A3

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HTTP(S) requests

TCP/UDP connections

159

DNS requests

Threats

HTTP requests

No HTTP requests

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Connections

PID	Process	IP	Domain	ASN	CN	Reputation
3704	spoolsv.exe	1.1.1.1:80	—	—	AU	malicious
3704	spoolsv.exe	199.254.238.206:80	memeriams.duckdns.org	Riseup Networks	US	unknown
—	—	1.1.1.1:80	—	—	AU	malicious

DNS requests

Domain	IP	Reputation
memeriams.duckdns.org	199.254.238.206	malicious

Threats

PID	Process	Class	Message
—	—	Misc activity	ET INFO DYNAMIC_DNS Query to *.duckdns. Domain
3704	spoolsv.exe	Generic Protocol Command Decode	SURICATA HTTP request buffer too long
3704	spoolsv.exe	Generic Protocol Command Decode	SURICATA HTTP request buffer too long
3704	spoolsv.exe	Generic Protocol Command Decode	SURICATA HTTP request buffer too long
3704	spoolsv.exe	Generic Protocol Command Decode	SURICATA HTTP request buffer too long
3704	spoolsv.exe	Generic Protocol Command Decode	SURICATA HTTP request buffer too long
3704	spoolsv.exe	Generic Protocol Command Decode	SURICATA HTTP request buffer too long
3704	spoolsv.exe	Generic Protocol Command Decode	SURICATA HTTP request buffer too long
3704	spoolsv.exe	Generic Protocol Command Decode	SURICATA HTTP request buffer too long
3704	spoolsv.exe	Generic Protocol Command Decode	SURICATA HTTP request buffer too long

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No debug info

General Info

spoolsv.exe

CBA36E98CD956A032352416399B5958F

53AE611DD81E15406EDB27513492142F9D1CCCF2

E21EB323B43664B6BD1BCA942FA3E258D79FF86E636538900A7EE03B73A6E9A3

3072:u8dn7UHQTDzpDt2Jp8evOHnXIjX60SvPLG0nfbc:u8d7XHSp8XXr0SX

Software environment set and analysis options

Launch configuration

Software preset

Hotfixes

Behavior activities

MALICIOUS

Writes to a start menu file

SUSPICIOUS

Creates files in the user directory

Executable content was dropped or overwritten

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

Registry activity

Modification events

Files activity

Dropped files

Network activity

HTTP requests

Connections

DNS requests

Threats

Debug output strings