Malware analysis winhelp.wll Malicious activity | ANY.RUN

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File name:	winhelp.wll
Full analysis:	https://app.any.run/tasks/faf63c89-180d-4894-8927-9d99af0b8e14
Verdict:	Malicious activity
Analysis date:	February 22, 2019, 10:36:10
OS:	Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MIME:	application/x-dosexec
File info:	PE32 executable (DLL) (GUI) Intel 80386, for MS Windows
MD5:	3F57B0B235A0E3669DEACA39468E1E30
SHA1:	CB3D32ED72000A403A4136DD16A0BE385E215083
SHA256:	A5D8CAE9DE9EDF81D4898879B09C16D6AFD12F1BDC320ACDBC5C8A430831E55B
SSDEEP:	6144:GODt/l2jddF/b6h2n5oHuF/8r2Ni+wYHF3LFU+1JSVQJ+01VuC8kE/tlA:zDt/Mdm2nKHuV8rcrPHFbFU+KX4Ste

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 (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
  - explorer.exe (PID: 116)
  - svchost.exe (PID: 844)
  - cfgwiz.exe (PID: 3472)
- Application was dropped or rewritten from another process
  - cfgwiz.exe (PID: 3472)
  - cfgwiz.exe (PID: 2140)
- Uses SVCHOST.EXE for hidden code execution
  - cfgwiz.exe (PID: 2140)
  - svchost.exe (PID: 3320)
  - svchost.exe (PID: 3752)
  - svchost.exe (PID: 2496)
  - svchost.exe (PID: 2816)
- Changes the autorun value in the registry
  - svchost.exe (PID: 3320)
SUSPICIOUS
- Executable content was dropped or overwritten
  - rundll32.exe (PID: 2936)
  - cfgwiz.exe (PID: 3472)
- Uses RUNDLL32.EXE to load library
  - explorer.exe (PID: 116)
- Creates files in the program directory
  - rundll32.exe (PID: 2936)
- Application launched itself
  - svchost.exe (PID: 3752)
  - svchost.exe (PID: 2816)
INFO
- Loads main object executable
  - rundll32.exe (PID: 2936)

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	\|	Win32 Executable MS Visual C++ (generic) (42.2)
.exe	\|	Win64 Executable (generic) (37.3)
.dll	\|	Win32 Dynamic Link Library (generic) (8.8)
.exe	\|	Win32 Executable (generic) (6)
.exe	\|	Generic Win/DOS Executable (2.7)

EXIF

EXE

MachineType:	Intel 386 or later, and compatibles
TimeStamp:	2019:02:21 10:55:58+01:00
PEType:	PE32
LinkerVersion:	10
CodeSize:	43008
InitializedDataSize:	26624
UninitializedDataSize:	-
EntryPoint:	0x3374
OSVersion:	5.1
ImageVersion:	-
SubsystemVersion:	5.1
Subsystem:	Windows GUI

Summary

Architecture:	IMAGE_FILE_MACHINE_I386
Subsystem:	IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date:	21-Feb-2019 09:55:58
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:	0x000000E0

PE Headers

Signature:	PE
Machine:	IMAGE_FILE_MACHINE_I386
Number of sections:	5
Time date stamp:	21-Feb-2019 09:55:58
Pointer to Symbol Table:	0x00000000
Number of symbols:	0
Size of Optional Header:	0x00E0
Characteristics:	IMAGE_FILE_32BIT_MACHINE IMAGE_FILE_DLL IMAGE_FILE_EXECUTABLE_IMAGE

Sections

Name	Virtual Address	Virtual Size	Raw Size	Charateristics	Entropy
.text	0x00001000	0x0000A7EB	0x0000A800	IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ	6.53539
.rdata	0x0000C000	0x00003B1E	0x00003C00	IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ	4.80153
.data	0x00010000	0x00002EE8	0x00001200	IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE	2.4881
.rsrc	0x00013000	0x000001B4	0x00000200	IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ	5.10724
.reloc	0x00014000	0x00001690	0x00001800	IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ	3.85347

Resources

Title	Entropy	Size	Codepage	Language	Type
2	4.79597	346	Latin 1 / Western European	English - United States	RT_MANIFEST

Imports


KERNEL32.dll
SHELL32.dll
SHLWAPI.dll
USER32.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

116

C:\Windows\Explorer.EXE

C:\Windows\explorer.exe

—

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Windows Explorer

Exit code:

Version:

6.1.7600.16385 (win7_rtm.090713-1255)

Modules

Images
c:\windows\system32\winanr.dll
c:\windows\system32\mswsock.dll
c:\windows\system32\wshtcpip.dll
c:\windows\explorer.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

844

C:\Windows\system32\svchost.exe -k netsvcs

C:\Windows\System32\svchost.exe

services.exe

User:

SYSTEM

Company:

Microsoft Corporation

Integrity Level:

SYSTEM

Description:

Host Process for Windows Services

Exit code:

Version:

6.1.7600.16385 (win7_rtm.090713-1255)

Modules

Images
c:\windows\system32\svchost.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\ole32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll

2140

C:\ProgramData\cfgwiz\cfgwiz.exe

—

wmiprvse.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Microsoft SharePoint and FrontPage Server Administrator Snapin

Exit code:

Version:

10.0.5012

Modules

Images
c:\programdata\cfgwiz\cfgwiz.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\programdata\cfgwiz\fpmmc.dl
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

2496

C:\Windows\system32\svchost.exe

svchost.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Host Process for Windows Services

Exit code:

Version:

6.1.7600.16385 (win7_rtm.090713-1255)

Modules

Images
c:\windows\system32\svchost.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.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
c:\windows\system32\lpk.dll

2816

1 2 3

C:\Windows\system32\svchost.exe

svchost.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Host Process for Windows Services

Exit code:

Version:

6.1.7600.16385 (win7_rtm.090713-1255)

Modules

Images
c:\windows\system32\svchost.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.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
c:\windows\system32\lpk.dll

2936

"C:\Windows\System32\rundll32.exe" "C:\Users\admin\Desktop\winhelp.wll.exe", DllMain

C:\Windows\System32\rundll32.exe

explorer.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\kernelbase.dll
c:\windows\system32\kernel32.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

3320

1 2

C:\Windows\system32\svchost.exe

cfgwiz.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Host Process for Windows Services

Exit code:

Version:

6.1.7600.16385 (win7_rtm.090713-1255)

Modules

Images
c:\windows\system32\svchost.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.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
c:\windows\system32\lpk.dll

3472

C:\ProgramData\xsada\cfgwiz.exe USER-PC

C:\ProgramData\xsada\cfgwiz.exe

rundll32.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Microsoft SharePoint and FrontPage Server Administrator Snapin

Exit code:

Version:

10.0.5012

Modules

Images
c:\programdata\xsada\cfgwiz.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\programdata\xsada\fpmmc.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

3752

1 2 3

C:\Windows\system32\svchost.exe

svchost.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Host Process for Windows Services

Exit code:

Version:

6.1.7600.16385 (win7_rtm.090713-1255)

Modules

Images
c:\windows\system32\svchost.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.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
c:\windows\system32\lpk.dll

3844

C:\Windows\system32\svchost.exe

svchost.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Host Process for Windows Services

Exit code:

Version:

6.1.7600.16385 (win7_rtm.090713-1255)

Modules

Images
c:\windows\system32\svchost.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\lpk.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll

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Total events

885

Read events

871

Write events

Delete events

Modification events


(PID) Process:	(3752) svchost.exe	Key:	HKEY_CLASSES_ROOT\x86 Family 6 Model 94 Stepping 3-ll37389743nxshkhjhgee
Operation:	write	Name:	1
Value: F7461515C3B20A65ABD9890A3E859E12
(PID) Process:	(3752) svchost.exe	Key:	HKEY_CLASSES_ROOT\x86 Family 6 Model 94 Stepping 3-ll37389743nxshkhjhgee
Operation:	write	Name:	2
Value: DA6D328B1B33F23F2615451F76F9C4D2
(PID) Process:	(3752) svchost.exe	Key:	HKEY_CLASSES_ROOT\x86 Family 6 Model 94 Stepping 3-ll37389743nxshkhjhgee
Operation:	write	Name:	3
Value: 06C6BF3D0C4F20EA4065BC60A4CD761EF44D58F149D51A69
(PID) Process:	(3752) svchost.exe	Key:	HKEY_CLASSES_ROOT\x86 Family 6 Model 94 Stepping 3-ll37389743nxshkhjhgee
Operation:	write	Name:	4
Value: BAC81B51CFA10E43117F9125AC8FA1437F224B6A034C99B5
(PID) Process:	(3752) svchost.exe	Key:	HKEY_CLASSES_ROOT\x86 Family 6 Model 94 Stepping 3-ll37389743nxshkhjhgee
Operation:	write	Name:	5
Value: CB738C49A5402E44D4CAAB3424ECD8FE
(PID) Process:	(3752) svchost.exe	Key:	HKEY_CLASSES_ROOT\x86 Family 6 Model 94 Stepping 3-ll37389743nxshkhjhgee
Operation:	write	Name:	6
Value: BE67FDE236F0A6E63844D02891EE091CA7A2866A58A890F6
(PID) Process:	(3752) svchost.exe	Key:	HKEY_CLASSES_ROOT\x86 Family 6 Model 94 Stepping 3-ll37389743nxshkhjhgee
Operation:	write	Name:	7
Value: BE67FDE236F0A6E63844D02891EE091CA7A2866A58A890F6
(PID) Process:	(3752) svchost.exe	Key:	HKEY_CLASSES_ROOT\x86 Family 6 Model 94 Stepping 3-ll37389743nxshkhjhgee
Operation:	write	Name:	8
Value: E30B4874BE396F1DBF1CD851CC199184190308B072C2B1B5
(PID) Process:	(3752) svchost.exe	Key:	HKEY_CLASSES_ROOT\x86 Family 6 Model 94 Stepping 3-ll37389743nxshkhjhgee
Operation:	write	Name:	10
Value: 6FBDC113AB7A9D15
(PID) Process:	(3752) svchost.exe	Key:	HKEY_CLASSES_ROOT\x86 Family 6 Model 94 Stepping 3-ll37389743nxshkhjhgee
Operation:	write	Name:	12
Value: FF961FE48EF1FA80B8C38139EEDDAE8B

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Executable files

Suspicious files

Text files

Unknown types

Dropped files

PID	Process	Filename		Type
3472	cfgwiz.exe	\Device\HarddiskVolume2\ProgramData\cfgwiz\GvG36a467C6Hkea		—
		MD5:—	SHA256:—
844	svchost.exe	C:\Windows\appcompat\programs\RecentFileCache.bcf		txt
		MD5:—	SHA256:—
3752	svchost.exe	C:\ProgramData\cfgwiz\GvG36a467C6Hkea		binary
		MD5:—	SHA256:—
2936	rundll32.exe	C:\ProgramData\xsada\cfgwiz.exe		executable
		MD5:F0747A5FCBE6873AD74B073E3AA70E8F	SHA256:D1B7093EB66D103DACE02B27F7E137873FDBFC1C9661E9850CD2A36A7807D92C
2936	rundll32.exe	C:\ProgramData\xsada\GvG36a467C6Hkea		binary
		MD5:6A9A4DA3F7B2075984F79F67E4EB2F28	SHA256:AB6998352FC0D745AF94F02E42F8C3F061A99179FCE2C890760F293F9744D1E8
3472	cfgwiz.exe	C:\ProgramData\cfgwiz\cfgwiz.exe		executable
		MD5:F0747A5FCBE6873AD74B073E3AA70E8F	SHA256:D1B7093EB66D103DACE02B27F7E137873FDBFC1C9661E9850CD2A36A7807D92C
2936	rundll32.exe	C:\ProgramData\xsada\FPMMC.dll		executable
		MD5:113044788A356AAB6C693A3E80189141	SHA256:1AC0BE7D289F2BBD00979069B9D3BF6AC76C0828C0CA7674EC791CDB463B8FF0
3472	cfgwiz.exe	C:\ProgramData\cfgwiz\FPMMC.DLL		executable
		MD5:113044788A356AAB6C693A3E80189141	SHA256:1AC0BE7D289F2BBD00979069B9D3BF6AC76C0828C0CA7674EC791CDB463B8FF0

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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
3752	svchost.exe	139.59.81.253:443	—	Digital Ocean, Inc.	IN	unknown
3844	svchost.exe	139.59.81.253:443	—	Digital Ocean, Inc.	IN	unknown
2816	svchost.exe	139.59.81.253:443	—	Digital Ocean, Inc.	IN	unknown

DNS requests

No data

Threats

No threats detected

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Process	Message
rundll32.exe	[test] C:\ProgramData\xsada\cfgwiz.exe USER-PC
svchost.exe	[Defender]System Start
svchost.exe	[Defender]Start
svchost.exe	mydebugview::FireConnect -26880

General Info

winhelp.wll

3F57B0B235A0E3669DEACA39468E1E30

CB3D32ED72000A403A4136DD16A0BE385E215083

A5D8CAE9DE9EDF81D4898879B09C16D6AFD12F1BDC320ACDBC5C8A430831E55B

6144:GODt/l2jddF/b6h2n5oHuF/8r2Ni+wYHF3LFU+1JSVQJ+01VuC8kE/tlA:zDt/Mdm2nKHuV8rcrPHFbFU+KX4Ste

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

Uses SVCHOST.EXE for hidden code execution

Changes the autorun value in the registry

SUSPICIOUS

Executable content was dropped or overwritten

Uses RUNDLL32.EXE to load library

Creates files in the program directory

Application launched itself

INFO

Loads main object executable

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

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