Malware analysis pbsvc.exe Malicious activity | ANY.RUN

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File name:	pbsvc.exe
Full analysis:	https://app.any.run/tasks/52d3b63e-a66c-4890-885d-db68835cc119
Verdict:	Malicious activity
Analysis date:	March 07, 2018, 23:05:05
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:	F4F60CAD9005F2079BDC0D570D5BAC64
SHA1:	DBC4AA6F3BEBD60310BD53C52691DF401B9B4EA1
SHA256:	4DEF2FC5F862BC424E7F6857456EF05947231032583848CF9D86AA1ED452F921
SSDEEP:	24576:raXg3JnLzgubLHNxcD77DJH01rcSQcWIa+mO4MjXAgW:rZ3JLzrbLtxcDvtKrzpWN+maEgW

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:

Software preset

Internet Explorer 8.0.7601.17514 undefined
7-Zip 16.04 (16.04)
Adobe Acrobat Reader DC MUI (15.007.20033)
Adobe Flash Player 26 ActiveX (26.0.0.137)
CCleaner (5.35)
Google Chrome (61.0.3163.100)
Google Update Helper (1.3.33.5)
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 Home and Business 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 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++ 2005 Redistributable (8.0.61001)
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++ 2012 Redistributable (x86) - 11.0.61030 (11.0.61030.0)
Microsoft Visual C++ 2012 x86 Additional Runtime - 11.0.61030 (11.0.61030)
Microsoft Visual C++ 2012 x86 Minimum Runtime - 11.0.61030 (11.0.61030)
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) - 14.12.25810 (14.12.25810.0)
Microsoft Visual C++ 2017 x86 Additional Runtime - 14.12.25810 (14.12.25810)
Microsoft Visual C++ 2017 x86 Minimum Runtime - 14.12.25810 (14.12.25810)
Mozilla Firefox 55.0.3 (x86 en-US) (55.0.3)
Mozilla Maintenance Service (55.0.3)
Notepad++ (32-bit x86) (7.5.4)
Opera 12.15 (12.15.1748)
Skype™ 7.39 (7.39.102)
VLC media player (2.2.6)

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
WinMan WinIP Package TopLevel

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MALICIOUS
- Application was dropped or rewritten from another process
  - PnkBstrA.exe (PID: 2608)
  - PnkBstrB.exe (PID: 4056)
SUSPICIOUS
- Creates a software uninstall entry
  - pbsvc.exe (PID: 3184)
- Creates files in the Windows directory
  - pbsvc.exe (PID: 3184)
  - PnkBstrA.exe (PID: 2608)
  - PnkBstrB.exe (PID: 4056)
- Creates or modifies windows services
  - PnkBstrA.exe (PID: 2608)
  - PnkBstrB.exe (PID: 4056)
- Creates files in the user directory
  - pbsvc.exe (PID: 3184)
- Removes files from Windows directory
  - PnkBstrA.exe (PID: 2608)
  - PnkBstrB.exe (PID: 4056)
- Modifies files in the system directory
  - PnkBstrA.exe (PID: 2608)
  - PnkBstrB.exe (PID: 4056)
  - pbsvc.exe (PID: 3184)
- Creates files in the driver directory
  - PnkBstrB.exe (PID: 4056)
INFO
- Dropped object may contain URL's
  - PnkBstrA.exe (PID: 2608)
  - pbsvc.exe (PID: 3184)
  - PnkBstrB.exe (PID: 4056)
- Loads rich edit control libraries
  - pbsvc.exe (PID: 3184)

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 (43.5)
.exe	\|	Win32 EXE Yoda's Crypter (42.7)
.exe	\|	Win32 Executable (generic) (7.2)
.exe	\|	Generic Win/DOS Executable (3.2)
.exe	\|	DOS Executable Generic (3.2)

EXIF

EXE

MachineType:	Intel 386 or later, and compatibles
TimeStamp:	2014:06:03 01:06:35+02:00
PEType:	PE32
LinkerVersion:	7.1
CodeSize:	798720
InitializedDataSize:	110592
UninitializedDataSize:	991232
EntryPoint:	0x1b5bb0
OSVersion:	4
ImageVersion:	-
SubsystemVersion:	4
Subsystem:	Windows GUI

Summary

Architecture:	IMAGE_FILE_MACHINE_I386
Subsystem:	IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date:	02-Jun-2014 23:06:35
Detected languages:	English - United States

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:	0x00000108

PE Headers

Signature:	PE
Machine:	IMAGE_FILE_MACHINE_I386
Number of sections:	3
Time date stamp:	02-Jun-2014 23:06:35
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	0x000F2000	0x00000000	IMAGE_SCN_CNT_UNINITIALIZED_DATA, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE	0
UPX1	0x000F3000	0x000C3000	0x000C2E00	IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE	7.89017
.rsrc	0x001B6000	0x0001B000	0x0001A200	IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE	4.51279

Resources

Title	Entropy	Size	Codepage	Language	Type
1	4.93207	633	Latin 1 / Western European	English - United States	RT_MANIFEST
2	3.63044	744	Latin 1 / Western European	English - United States	RT_ICON
3	3.55243	1640	Latin 1 / Western European	English - United States	RT_ICON
4	3.43672	1384	Latin 1 / Western European	English - United States	RT_ICON
5	5.34576	2216	Latin 1 / Western European	English - United States	RT_ICON
6	4.84214	3752	Latin 1 / Western European	English - United States	RT_ICON
7	4.80661	1128	Latin 1 / Western European	English - United States	RT_ICON
8	4.89075	2440	Latin 1 / Western European	English - United States	RT_ICON
9	4.47688	4264	Latin 1 / Western European	English - United States	RT_ICON
10	4.54069	9640	Latin 1 / Western European	English - United States	RT_ICON

Imports


ADVAPI32.dll
COMCTL32.dll
CRYPT32.dll
GDI32.dll
KERNEL32.DLL
OLEAUT32.dll
PSAPI.DLL
SHELL32.dll
USER32.dll
WINTRUST.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

1000

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

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

—

explorer.exe

User:

admin

Integrity Level:

MEDIUM

Exit code:

3221226540

2608

C:\Windows\system32\PnkBstrA.exe

services.exe

User:

SYSTEM

Integrity Level:

SYSTEM

Exit code:

Modules

Images
c:\windows\system32\pnkbstra.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\advapi32.dll

3184

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

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

explorer.exe

User:

admin

Integrity Level:

HIGH

Exit code:

Modules

Images
c:\users\admin\appdata\local\temp\pbsvc.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_5.82.7601.17514_none_ec83dffa859149af\comctl32.dll
c:\windows\system32\gdi32.dll

4056

C:\Windows\system32\PnkBstrB.exe

services.exe

User:

SYSTEM

Integrity Level:

SYSTEM

Exit code:

Modules

Images
c:\windows\system32\pnkbstrb.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\advapi32.dll

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Total events

113

Read events

Write events

Delete events

Modification events


(PID) Process:	(3184) pbsvc.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\PunkBusterSvc
Operation:	write	Name:	UninstallString
Value: C:\Windows\system32\pbsvc.exe -u
(PID) Process:	(3184) pbsvc.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\PunkBusterSvc
Operation:	write	Name:	DisplayName
Value: PunkBuster Services
(PID) Process:	(3184) pbsvc.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\PunkBusterSvc
Operation:	write	Name:	DisplayVersion
Value: 0.994
(PID) Process:	(3184) pbsvc.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\PunkBusterSvc
Operation:	write	Name:	HelpLink
Value: http://www.evenbalance.com/index.php?page=pbsvcfaq.php
(PID) Process:	(3184) pbsvc.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\PunkBusterSvc
Operation:	write	Name:	URLInfoAbout
Value: http://www.evenbalance.com/index.php?page=pbsvcfaq.php
(PID) Process:	(3184) pbsvc.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\PunkBusterSvc
Operation:	write	Name:	Publisher
Value: Even Balance, Inc.
(PID) Process:	(3184) pbsvc.exe	Key:	HKEY_CLASSES_ROOT\Local Settings\MuiCache\8F\52C64B7E
Operation:	write	Name:	LanguageList
Value: en-US
(PID) Process:	(2608) PnkBstrA.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Even Balance\PnkBstrA
Operation:	write	Name:	Port
Value: 44301
(PID) Process:	(2608) PnkBstrA.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Even Balance\PnkBstrA
Operation:	write	Name:	Version
Value: 1041
(PID) Process:	(2608) PnkBstrA.exe	Key:	HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\PnkBstrA
Operation:	write	Name:	Description
Value: PunkBuster Service Component [v1041] http://www.evenbalance.com

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Executable files

Suspicious files

Text files

Unknown types

Dropped files

PID	Process	Filename		Type
3184	pbsvc.exe	C:\Users\admin\AppData\Local\Temp\Cab9740.tmp		—
		MD5:—	SHA256:—
3184	pbsvc.exe	C:\Users\admin\AppData\Local\Temp\Tar9741.tmp		—
		MD5:—	SHA256:—
2608	PnkBstrA.exe	C:\Windows\TEMP\CabF36A.tmp		—
		MD5:—	SHA256:—
2608	PnkBstrA.exe	C:\Windows\TEMP\TarF36B.tmp		—
		MD5:—	SHA256:—
3184	pbsvc.exe	C:\Windows\system32\LogFiles\PunkBuster\pbsvc.log		text
		MD5:—	SHA256:—
3184	pbsvc.exe	C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7D266D9E1E69FA1EEFB9699B009B34C8_0A9BFDD75B598C2110CBF610C078E6E6		der
		MD5:—	SHA256:—
3184	pbsvc.exe	C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7B8944BA8AD0EFDF0E01A43EF62BECD0_99B19D26BD58DA7B2BD394E131904932		der
		MD5:—	SHA256:—
4056	PnkBstrB.exe	C:\Windows\TEMP\CabFF03.tmp		—
		MD5:—	SHA256:—
4056	PnkBstrB.exe	C:\Windows\TEMP\TarFF04.tmp		—
		MD5:—	SHA256:—
3184	pbsvc.exe	C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7D266D9E1E69FA1EEFB9699B009B34C8_0A9BFDD75B598C2110CBF610C078E6E6		binary
		MD5:—	SHA256:—

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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
—	—	GET	200	23.43.75.27:80	http://ocsp.verisign.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBS56bKHAoUD%2BOyl%2B0LhPg9JxyQm4gQUf9Nlp8Ld7LvwMAnzQzn6Aq8zMTMCEFIA5aolVvwahu2WydRLM8c%3D	NL	der	1.71 Kb	whitelisted
—	—	GET	200	23.43.75.27:80	http://ocsp.verisign.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTSqZMG5M8TA9rdzkbCnNwuMAd5VgQUz5mp6nsm9EvJjo%2FX8AUm7%2BPSp50CECcrUt%2FpzwJGAyc4zugcPBc%3D	NL	der	1.62 Kb	whitelisted
—	—	GET	200	23.43.75.27:80	http://ocsp.verisign.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBS56bKHAoUD%2BOyl%2B0LhPg9JxyQm4gQUf9Nlp8Ld7LvwMAnzQzn6Aq8zMTMCEFIA5aolVvwahu2WydRLM8c%3D	NL	der	1.71 Kb	whitelisted
—	—	GET	200	23.43.75.27:80	http://ocsp.verisign.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTSqZMG5M8TA9rdzkbCnNwuMAd5VgQUz5mp6nsm9EvJjo%2FX8AUm7%2BPSp50CECcrUt%2FpzwJGAyc4zugcPBc%3D	NL	der	1.62 Kb	whitelisted

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Connections

PID	Process	IP	Domain	ASN	CN	Reputation
—	—	23.43.75.27:80	ocsp.verisign.com	Akamai Technologies, Inc.	NL	whitelisted

DNS requests

Domain	IP	Reputation
ocsp.verisign.com	23.43.75.27	whitelisted

Threats

No threats detected

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No debug info

General Info

pbsvc.exe

F4F60CAD9005F2079BDC0D570D5BAC64

DBC4AA6F3BEBD60310BD53C52691DF401B9B4EA1

4DEF2FC5F862BC424E7F6857456EF05947231032583848CF9D86AA1ED452F921

24576:raXg3JnLzgubLHNxcD77DJH01rcSQcWIa+mO4MjXAgW:rZ3JLzrbLtxcDvtKrzpWN+maEgW

Software environment set and analysis options

Launch configuration

Software preset

Hotfixes

Behavior activities

MALICIOUS

Application was dropped or rewritten from another process

SUSPICIOUS

Creates a software uninstall entry

Creates files in the Windows directory

Creates or modifies windows services

Creates files in the user directory

Removes files from Windows directory

Modifies files in the system directory

Creates files in the driver directory

INFO

Dropped object may contain URL's

Loads rich edit control libraries

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

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