Malware analysis http://wcdownloadercdn.lavasoft.com/4.5.1957.3838/WebCompanion-4.5.1957.3838-prod.zip Malicious activity

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File name:	http://wcdownloadercdn.lavasoft.com/4.5.1957.3838/WebCompanion-4.5.1957.3838-prod.zip
Full analysis:	https://app.any.run/tasks/ea0f8ddc-949c-4610-bc86-4425337a3514
Verdict:	Malicious activity
Analysis date:	February 10, 2019, 16:01:34
OS:	Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MIME:	application/zip
File info:	Zip archive data, at least v2.0 to extract
MD5:	878DD52B5FE88270689C327B67EFE1FC
SHA1:	0BEB1B3FD892CC156AC51476607ADEA92DB43864
SHA256:	ECD3D5601DF8D7E443F8169E076B6284FB261E30288246ECB2E3549F64929A89
SSDEEP:	196608:cVTPgN79xT/cEYJy2R4AvpWPlFJAy5YyQPQhr5F5ZpudK:cdIN7Ti4A4ZAHQdJzf

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:: 120 seconds
Heavy Evasion option:: off
Network geolocation:: off
Additional time used:: 60 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 (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
  - SearchProtocolHost.exe (PID: 1576)
  - WebCompanion.exe (PID: 3428)
  - explorer.exe (PID: 116)
- Application was dropped or rewritten from another process
  - WebCompanion.exe (PID: 3428)
  - Ad-Aware Web Companion.exe (PID: 3140)
  - WebCompanionInstaller.exe (PID: 3796)
SUSPICIOUS
- Creates files in the user directory
  - explorer.exe (PID: 116)
- Reads Internet Cache Settings
  - explorer.exe (PID: 116)
- Creates files in the program directory
  - WebCompanion.exe (PID: 3428)
- Executable content was dropped or overwritten
  - WinRAR.exe (PID: 3736)
INFO
- Dropped object may contain Bitcoin addresses
  - WinRAR.exe (PID: 3736)
- Application was crashed
  - WebCompanionInstaller.exe (PID: 3796)

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

.zip	\|	ZIP compressed archive (100)

EXIF

ZIP

ZipRequiredVersion:	20
ZipBitFlag:	-
ZipCompression:	Deflated
ZipModifyDate:	2018:12:14 08:46:22
ZipCRC:	0x0a3bab5f
ZipCompressedSize:	64866
ZipUncompressedSize:	129312
ZipFileName:	Application/Ad-Aware Web Companion.exe

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

1576

"C:\Windows\system32\SearchProtocolHost.exe" Global\UsGthrFltPipeMssGthrPipe6_ Global\UsGthrCtrlFltPipeMssGthrPipe6 1 -2147483646 "Software\Microsoft\Windows Search" "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT; MS Search 4.0 Robot)" "C:\ProgramData\Microsoft\Search\Data\Temp\usgthrsvc" "DownLevelDaemon"

C:\Windows\System32\SearchProtocolHost.exe

—

SearchIndexer.exe

User:

SYSTEM

Company:

Microsoft Corporation

Integrity Level:

SYSTEM

Description:

Microsoft Windows Search Protocol Host

Exit code:

Version:

7.00.7600.16385 (win7_rtm.090713-1255)

Modules

Images
c:\windows\system32\searchprotocolhost.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
c:\windows\system32\rpcrt4.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll

3140

"C:\Users\admin\Desktop\WebCompanion-4.5.1957.3838-prod\Ad-Aware Web Companion.exe"

C:\Users\admin\Desktop\WebCompanion-4.5.1957.3838-prod\Ad-Aware Web Companion.exe

—

explorer.exe

User:

admin

Company:

Integrity Level:

MEDIUM

Description:

Ad-Aware Web Companion.exe

Exit code:

Version:

4.5.1957.3838

Modules

Images
c:\users\admin\desktop\webcompanion-4.5.1957.3838-prod\ad-aware web companion.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\ole32.dll

3360

dw20.exe -x -s 2004

C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe

—

WebCompanionInstaller.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Microsoft .NET Error Reporting Shim

Exit code:

Version:

2.0.50727.4927 (NetFXspW7.050727-4900)

Modules

Images
c:\windows\microsoft.net\framework\v2.0.50727\dw20.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\winsxs\x86_microsoft.vc80.crt_1fc8b3b9a1e18e3b_8.0.50727.4940_none_d08cc06a442b34fc\msvcr80.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

3428

"C:\Users\admin\Desktop\WebCompanion-4.5.1957.3838-prod\WebCompanion.exe"

C:\Users\admin\Desktop\WebCompanion-4.5.1957.3838-prod\WebCompanion.exe

explorer.exe

User:

admin

Company:

Lavasoft

Integrity Level:

MEDIUM

Description:

Web Companion

Exit code:

Version:

4.5.1957.3838

Modules

Images
c:\users\admin\desktop\webcompanion-4.5.1957.3838-prod\webcompanion.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\mscoree.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\microsoft.net\framework\v4.0.30319\mscoreei.dll

3736

"C:\Program Files\WinRAR\WinRAR.exe" "C:\Users\admin\Desktop\WebCompanion-4.5.1957.3838-prod.zip"

C:\Program Files\WinRAR\WinRAR.exe

explorer.exe

User:

admin

Company:

Alexander Roshal

Integrity Level:

MEDIUM

Description:

WinRAR archiver

Exit code:

Version:

5.60.0

Modules

Images
c:\program files\winrar\winrar.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\user32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\usp10.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\comdlg32.dll

3796

"C:\Users\admin\Desktop\WebCompanion-4.5.1957.3838-prod\WebCompanionInstaller.exe"

C:\Users\admin\Desktop\WebCompanion-4.5.1957.3838-prod\WebCompanionInstaller.exe

explorer.exe

User:

admin

Company:

Lavasoft

Integrity Level:

MEDIUM

Description:

Web Companion

Exit code:

3762507597

Version:

4.5.1957.3838

Modules

Images
c:\users\admin\desktop\webcompanion-4.5.1957.3838-prod\webcompanioninstaller.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\mscoree.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\microsoft.net\framework\v4.0.30319\mscoreei.dll

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Total events

3 009

Read events

2 826

Write events

181

Delete events

Modification events


(PID) Process:	(3736) WinRAR.exe	Key:	HKEY_CURRENT_USER\Software\WinRAR\Interface\Themes
Operation:	write	Name:	ShellExtBMP
Value:
(PID) Process:	(3736) WinRAR.exe	Key:	HKEY_CURRENT_USER\Software\WinRAR\Interface\Themes
Operation:	write	Name:	ShellExtIcon
Value:
(PID) Process:	(3736) WinRAR.exe	Key:	HKEY_CLASSES_ROOT\Local Settings\MuiCache\5F\52C64B7E
Operation:	write	Name:	LanguageList
Value: en-US
(PID) Process:	(3736) WinRAR.exe	Key:	HKEY_CURRENT_USER\Software\WinRAR\ArcHistory
Operation:	write	Name:	0
Value: C:\Users\admin\Desktop\WebCompanion-4.5.1957.3838-prod.zip
(PID) Process:	(3736) WinRAR.exe	Key:	HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths
Operation:	write	Name:	name
Value: 120
(PID) Process:	(3736) WinRAR.exe	Key:	HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths
Operation:	write	Name:	size
Value: 80
(PID) Process:	(3736) WinRAR.exe	Key:	HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths
Operation:	write	Name:	type
Value: 120
(PID) Process:	(3736) WinRAR.exe	Key:	HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths
Operation:	write	Name:	mtime
Value: 100
(PID) Process:	(116) explorer.exe	Key:	HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.zip\OpenWithList
Operation:	write	Name:	a
Value: WinRAR.exe
(PID) Process:	(116) explorer.exe	Key:	HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.zip\OpenWithList
Operation:	write	Name:	MRUList
Value: a

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Executable files

Suspicious files

Text files

Unknown types

Dropped files

PID	Process	Filename		Type
3736	WinRAR.exe	C:\Users\admin\Desktop\WebCompanion-4.5.1957.3838-prod\Esent.Interop.dll		executable
		MD5:—	SHA256:—
116	explorer.exe	C:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\AutomaticDestinations\290532160612e071.automaticDestinations-ms		automaticdestinations-ms
		MD5:—	SHA256:—
116	explorer.exe	C:\Users\admin\AppData\Local\Microsoft\Windows\History\History.IE5\MSHist012019021020190211\index.dat		dat
		MD5:—	SHA256:—
3736	WinRAR.exe	C:\Users\admin\Desktop\WebCompanion-4.5.1957.3838-prod\BCUEngineS.dll		executable
		MD5:—	SHA256:—
3736	WinRAR.exe	C:\Users\admin\Desktop\WebCompanion-4.5.1957.3838-prod\Interop.IWshRuntimeLibrary.dll		executable
		MD5:—	SHA256:—
3736	WinRAR.exe	C:\Users\admin\Desktop\WebCompanion-4.5.1957.3838-prod\Lavasoft.Events.dll		executable
		MD5:—	SHA256:—
3736	WinRAR.exe	C:\Users\admin\Desktop\WebCompanion-4.5.1957.3838-prod\DotNetZip.dll		executable
		MD5:—	SHA256:—
116	explorer.exe	C:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\AutomaticDestinations\1b4dd67f29cb1962.automaticDestinations-ms		automaticdestinations-ms
		MD5:—	SHA256:—
3736	WinRAR.exe	C:\Users\admin\Desktop\WebCompanion-4.5.1957.3838-prod\Interop.SHDocVw.dll		executable
		MD5:—	SHA256:—
116	explorer.exe	C:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\WebCompanion-4.5.1957.3838-prod.zip.lnk		lnk
		MD5:—	SHA256:—

Download PCAP, analyze network streams, HTTP content and a lot more at the full report

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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
3428	WebCompanion.exe	GET	200	104.17.177.102:80	http://rt.webcompanion.com/notifications/download/rt/ActiveFeatures.zip	US	compressed	7.96 Kb	malicious
3428	WebCompanion.exe	GET	200	104.17.177.102:80	http://webcompanion.com/version_logs?json=true&version=4.5.1957.3838	US	text	4 b	malicious

Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID	Process	IP	Domain	ASN	CN	Reputation
3428	WebCompanion.exe	104.17.177.102:80	webcompanion.com	Cloudflare Inc	US	shared

DNS requests

Domain	IP	Reputation
webcompanion.com	104.17.177.102 104.17.178.102	malicious
rt.webcompanion.com	104.17.177.102 104.17.178.102	malicious

Threats

No threats detected

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Process	Message
WebCompanionInstaller.exe	Detecting windows culture

General Info

http://wcdownloadercdn.lavasoft.com/4.5.1957.3838/WebCompanion-4.5.1957.3838-prod.zip

878DD52B5FE88270689C327B67EFE1FC

0BEB1B3FD892CC156AC51476607ADEA92DB43864

ECD3D5601DF8D7E443F8169E076B6284FB261E30288246ECB2E3549F64929A89

196608:cVTPgN79xT/cEYJy2R4AvpWPlFJAy5YyQPQhr5F5ZpudK:cdIN7Ti4A4ZAHQdJzf

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

SUSPICIOUS

Creates files in the user directory

Reads Internet Cache Settings

Creates files in the program directory

Executable content was dropped or overwritten

INFO

Dropped object may contain Bitcoin addresses

Application was crashed

Malware configuration

Static information

TRiD

EXIF

ZIP

Video and screenshots

Processes

Behavior graph

Specs description

Process information

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