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
  - WebCompanion.exe (PID: 3428)
  - SearchProtocolHost.exe (PID: 1576)
  - 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)
- Executable content was dropped or overwritten
  - WinRAR.exe (PID: 3736)
- Creates files in the program directory
  - WebCompanion.exe (PID: 3428)
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

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

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
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: 0 Version: 5.60.0
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: 0 Version: 7.00.7600.16385 (win7_rtm.090713-1255)
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: 0 Version: 4.5.1957.3838
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: 0 Version: 4.5.1957.3838
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
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: 0 Version: 2.0.50727.4927 (NetFXspW7.050727-4900)
116	C:\Windows\Explorer.EXE	C:\Windows\explorer.exe	—	—
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Explorer Version: 6.1.7600.16385 (win7_rtm.090713-1255)

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Total events

3 009

Read events

2 826

Write events

Delete events

Modification events

No data

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Executable files

Suspicious files

Text files

Unknown types

Dropped files

PID	Process	Filename		Type
116	explorer.exe	C:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\AutomaticDestinations\290532160612e071.automaticDestinations-ms		automaticdestinations-ms
		MD5:66D4D18C2900D06C74C84F82A73F455B	SHA256:DE24FF0EE8C95B706BE7FD31EAE739D57DB18C0E3427530B72E74C4412E58576
3736	WinRAR.exe	C:\Users\admin\Desktop\WebCompanion-4.5.1957.3838-prod\Esent.Interop.dll		executable
		MD5:D88C833B390E85FA4FEC243BA8C10C67	SHA256:914F735626912A1CFBB6ED11504D375CF4BD55E8A7814F6DEF3C1216FFC0686C
116	explorer.exe	C:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\WebCompanion-4.5.1957.3838-prod.zip.lnk		lnk
		MD5:77DD6A3D469D7533D7F4A26EC0EADD05	SHA256:673E99DF65A0C6629FCCD87CA2715CFAACA37AB87E1F8C62F20B8069F76D52F7
3736	WinRAR.exe	C:\Users\admin\Desktop\WebCompanion-4.5.1957.3838-prod\Lavasoft.CSharp.Utilities.dll		executable
		MD5:A4F1BD8C28676040198B9E7A479E4EA8	SHA256:3673820228173C6104565EEBB8F737BAA965FD9CA47234B75F727B17AC39C425
116	explorer.exe	C:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\AutomaticDestinations\1b4dd67f29cb1962.automaticDestinations-ms		automaticdestinations-ms
		MD5:095A93B69956320D95DB8400F74E2C2D	SHA256:0015427E7A3F9F2CDB3985E187F59AB7D33BB40F2ACBCF3280BCCD1DD758B5E6
3736	WinRAR.exe	C:\Users\admin\Desktop\WebCompanion-4.5.1957.3838-prod\Lavasoft.Automation.dll		executable
		MD5:0BB90CFA68900451292A12FB126314D8	SHA256:AE39B4543E6628ACAE520114CFD61CB46FFF73CAB78A5A348548D6EB0F4A0724
3736	WinRAR.exe	C:\Users\admin\Desktop\WebCompanion-4.5.1957.3838-prod\Lavasoft.adblocker.dll		executable
		MD5:C88591046C523D07996B10125363D5CA	SHA256:C11CB02ED0ADFBB9E6C291C5E623AF8E74F4DD77EABAF614E3E94F32A4C3F78F
3736	WinRAR.exe	C:\Users\admin\Desktop\WebCompanion-4.5.1957.3838-prod\Lavasoft.Events.dll		executable
		MD5:0BEFF872855BA1BC7D18F3476E5C7666	SHA256:F705CB2F2AC5C8CFDB354BD660713C433865B26F06D5984BC197FAEE12CD5096
3736	WinRAR.exe	C:\Users\admin\Desktop\WebCompanion-4.5.1957.3838-prod\Interop.LavasoftTcpServiceLib.dll		executable
		MD5:138F15A09476A2B209531315E8228B90	SHA256:3989BEF039965CDED5E491894D3C8EB567108E043675B0D94496A4FBCEF3CA67
116	explorer.exe	C:\Users\admin\AppData\Local\Microsoft\Windows\History\History.IE5\MSHist012019021020190211\index.dat		dat
		MD5:F12C51B12B7E0C73B085489C285BC75A	SHA256:0EA5E76D5B2D630C27B2FEFA08A7F94D8B1BC1EA215763C186E95739D6E089AB

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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

Executable content was dropped or overwritten

Creates files in the program directory

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

Information

Information

Information

Information

Information

Information

Registry activity

Modification events

Files activity

Dropped files

Network activity

HTTP requests

Connections

DNS requests

Threats

Debug output strings