| download: | WcInstaller.exe |
| Full analysis: | https://app.any.run/tasks/0355a3ee-a928-4a51-8849-b4abd013df26 |
| Verdict: | Malicious activity |
| Threats: | A loader is malicious software that infiltrates devices to deliver malicious payloads. This malware is capable of infecting victims’ computers, analyzing their system information, and installing other types of threats, such as trojans or stealers. Criminals usually deliver loaders through phishing emails and links by relying on social engineering to trick users into downloading and running their executables. Loaders employ advanced evasion and persistence tactics to avoid detection. |
| Analysis date: | November 18, 2021, 21:21:22 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/x-dosexec |
| File info: | PE32 executable (GUI) Intel 80386, for MS Windows |
| MD5: | EEEBFBDCA0B69687668117BC2C8F725D |
| SHA1: | DD36613A2D5453FBB4F50F7B16F00540EE26F7EF |
| SHA256: | 2C3AF025BA5EBBD5B5138CD86D8A635521DFA3A83C30BCA6F478A80BA4B5F1CC |
| SSDEEP: | 12288:zG5knZfFKessImXPiASR2ru2sjNkEpb1A17toXPwvgs:zG50ZfFKd6XRSR2h6duufi |
| .exe | | | InstallShield setup (36.8) |
|---|---|---|
| .exe | | | Win32 Executable MS Visual C++ (generic) (26.6) |
| .exe | | | Win64 Executable (generic) (23.6) |
| .dll | | | Win32 Dynamic Link Library (generic) (5.6) |
| .exe | | | Win32 Executable (generic) (3.8) |
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2011:04:18 20:54:06+02:00 |
| PEType: | PE32 |
| LinkerVersion: | 6 |
| CodeSize: | 104448 |
| InitializedDataSize: | 60416 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x148d4 |
| OSVersion: | 4 |
| ImageVersion: | - |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 8.9.0.371 |
| ProductVersionNumber: | 8.9.0.371 |
| FileFlagsMask: | 0x003f |
| FileFlags: | (none) |
| FileOS: | Windows NT 32-bit |
| ObjectFileType: | Executable application |
| FileSubtype: | - |
| LanguageCode: | English (U.S.) |
| CharacterSet: | Unicode |
| FileVersion: | 8.9.0.371 |
| ProductVersion: | 8.9.0.371 |
| CompanyName: | Lavasoft |
| FileDescription: | Web Companion Installer |
| InternalName: | Installer.exe |
| LegalCopyright: | c Lavasoft Limited. All Rights Reserved. |
| OriginalFileName: | Installer.exe |
| ProductName: | Web Companion Installer |
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1340 | .\WebCompanionInstaller.exe --prod --nanouniqueid=1637270496510 --prod | C:\Users\admin\AppData\Local\Temp\7zS475F57F0\WebCompanionInstaller.exe | WcInstaller.exe | ||||||||||||
User: admin Company: Lavasoft Integrity Level: HIGH Description: Web Companion Exit code: 0 Version: 7.0.2417.4248 Modules
| |||||||||||||||
| 1396 | "C:\Users\admin\AppData\Local\Temp\wctmp_139114680\WcInstaller.exe" --nanouniqueid=1637270496510 --prod | C:\Users\admin\AppData\Local\Temp\wctmp_139114680\WcInstaller.exe | WebCompanionInstaller.exe | ||||||||||||
User: admin Company: Lavasoft Integrity Level: HIGH Description: Web Companion Installer Exit code: 0 Version: 7.0.2417.4248 Modules
| |||||||||||||||
| 1636 | "C:\Users\admin\AppData\Local\Temp\WcInstaller.exe" | C:\Users\admin\AppData\Local\Temp\WcInstaller.exe | — | Explorer.EXE | |||||||||||
User: admin Company: Lavasoft Integrity Level: MEDIUM Description: Web Companion Installer Exit code: 3221226540 Version: 8.9.0.371 Modules
| |||||||||||||||
| 2832 | "C:\Users\admin\AppData\Local\Temp\WcInstaller.exe" | C:\Users\admin\AppData\Local\Temp\WcInstaller.exe | Explorer.EXE | ||||||||||||
User: admin Company: Lavasoft Integrity Level: HIGH Description: Web Companion Installer Exit code: 0 Version: 8.9.0.371 Modules
| |||||||||||||||
| 3172 | C:\Windows\Microsoft.Net\Framework\v3.0\WPF\PresentationFontCache.exe | C:\Windows\Microsoft.Net\Framework\v3.0\WPF\PresentationFontCache.exe | — | services.exe | |||||||||||
User: LOCAL SERVICE Company: Microsoft Corporation Integrity Level: SYSTEM Description: PresentationFontCache.exe Exit code: 0 Version: 3.0.6920.4902 built by: NetFXw7 Modules
| |||||||||||||||
| 3200 | .\WebCompanionInstaller.exe --prod | C:\Users\admin\AppData\Local\Temp\7zS01BB0990\WebCompanionInstaller.exe | WcInstaller.exe | ||||||||||||
User: admin Company: Lavasoft Integrity Level: HIGH Description: Web Companion Exit code: 0 Version: 8.9.0.371 Modules
| |||||||||||||||
| (PID) Process: | (3200) WebCompanionInstaller.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\16C\52C64B7E |
| Operation: | write | Name: | LanguageList |
Value: en-US | |||
| (PID) Process: | (3200) WebCompanionInstaller.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\8CF427FD790C3AD166068DE81E57EFBB932272D4 |
| Operation: | write | Name: | Blob |
Value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| |||
| (PID) Process: | (3200) WebCompanionInstaller.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\8CF427FD790C3AD166068DE81E57EFBB932272D4 |
| Operation: | write | Name: | Blob |
Value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| |||
| (PID) Process: | (3200) WebCompanionInstaller.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Lavasoft\Web Companion |
| Operation: | write | Name: | MachineId |
Value: 8569aaff-63aa-a71d-8040-0e2571e89667 | |||
| (PID) Process: | (3200) WebCompanionInstaller.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\WebCompanionInstaller_RASAPI32 |
| Operation: | write | Name: | EnableFileTracing |
Value: 0 | |||
| (PID) Process: | (3200) WebCompanionInstaller.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\WebCompanionInstaller_RASAPI32 |
| Operation: | write | Name: | EnableConsoleTracing |
Value: 0 | |||
| (PID) Process: | (3200) WebCompanionInstaller.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\WebCompanionInstaller_RASAPI32 |
| Operation: | write | Name: | FileTracingMask |
Value: | |||
| (PID) Process: | (3200) WebCompanionInstaller.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\WebCompanionInstaller_RASAPI32 |
| Operation: | write | Name: | ConsoleTracingMask |
Value: | |||
| (PID) Process: | (3200) WebCompanionInstaller.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\WebCompanionInstaller_RASAPI32 |
| Operation: | write | Name: | MaxFileSize |
Value: 1048576 | |||
| (PID) Process: | (3200) WebCompanionInstaller.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\WebCompanionInstaller_RASAPI32 |
| Operation: | write | Name: | FileDirectory |
Value: %windir%\tracing | |||
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 2832 | WcInstaller.exe | C:\Users\admin\AppData\Local\Temp\7zS01BB0990\en-US\WebCompanionInstaller.resources.dll | executable | |
MD5:5E93B9DB49037894DDDEE3416D42AF34 | SHA256:4BB16BDA62652E4645444D316B57AAA5066665385D05FF04A99FD45C88D2A29A | |||
| 2832 | WcInstaller.exe | C:\Users\admin\AppData\Local\Temp\7zS01BB0990\ja-JP\WebCompanionInstaller.resources.dll | executable | |
MD5:E227E5AECA87C9298DFF139FAD88DD79 | SHA256:23EC6D9BA15B78571F6A080FC09238AB6639AF2DE492FE77168655066303CF61 | |||
| 2832 | WcInstaller.exe | C:\Users\admin\AppData\Local\Temp\7zS01BB0990\de-DE\WebCompanionInstaller.resources.dll | executable | |
MD5:02966F1B955724E884AF158E1D12A9D3 | SHA256:4650C70F70AC875D9A94D283C766F98195C53884EC435C531EC5122614DF0FAD | |||
| 2832 | WcInstaller.exe | C:\Users\admin\AppData\Local\Temp\7zS01BB0990\es-ES\WebCompanionInstaller.resources.dll | executable | |
MD5:4A5565C368DD7749691EF7014DC98E68 | SHA256:237FC3A8BE884DD0278522975232AF5BEF3412A7F817B6A9214D8C8C39EEF56E | |||
| 2832 | WcInstaller.exe | C:\Users\admin\AppData\Local\Temp\7zS01BB0990\ICSharpCode.SharpZipLib.dll | executable | |
MD5:A93DAC647EE7CDDB93F549DCD783B323 | SHA256:4F6EB0FE1F4CB547CF03FF19F9A1C051BF0CAC1C793B88650F174C360DED3E39 | |||
| 2832 | WcInstaller.exe | C:\Users\admin\AppData\Local\Temp\7zS01BB0990\Newtonsoft.Json.dll | executable | |
MD5:32D2B354D49A144AD9CC73FDA584C11C | SHA256:ED30E38E44C49B859B801D05621D8E902D04D502EBF5DE676DE04C23825B0290 | |||
| 2832 | WcInstaller.exe | C:\Users\admin\AppData\Local\Temp\7zS01BB0990\WebCompanionInstaller.exe.config | xml | |
MD5:D9385BDC6E1554260CB7D30F6464DD9E | SHA256:80A15AC4F887309D99B0E6566644A6FB95C028E8E90B130CEEC54D808879A81C | |||
| 2832 | WcInstaller.exe | C:\Users\admin\AppData\Local\Temp\7zS01BB0990\WebCompanionInstaller.exe | executable | |
MD5:FB2CE6E0D7D5944E86697425C10CD11F | SHA256:DED4D86BF32884B7AD4639E26B4C79C0140060B8BCA23660D31EBBCD66FA25B8 | |||
| 2832 | WcInstaller.exe | C:\Users\admin\AppData\Local\Temp\7zS01BB0990\fr-CA\WebCompanionInstaller.resources.dll | executable | |
MD5:77CC1B7550A3069B841D853CFBC09C33 | SHA256:9530F4828FA009EA3A1A5ADB3D74664EF8A78DA5024347C85CDCEE68E160F6F2 | |||
| 2832 | WcInstaller.exe | C:\Users\admin\AppData\Local\Temp\7zS01BB0990\pt-BR\WebCompanionInstaller.resources.dll | executable | |
MD5:EC6EE089D4501F6FEB7687C58860360B | SHA256:5B7C0792A129C9D023B20D19334E78B7C34058BB8421E84FB849851CCDE648CC | |||
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
3200 | WebCompanionInstaller.exe | POST | 200 | 64.18.87.81:80 | http://wc-update-service.lavasoft.com/update.asmx | CA | xml | 1.45 Kb | whitelisted |
1340 | WebCompanionInstaller.exe | POST | 200 | 104.18.87.101:80 | http://flow.lavasoft.com/v1/event-stat-wc?Type=ProgressInstall&ProductID=wc&EventVersion=1 | US | binary | 29 b | whitelisted |
3200 | WebCompanionInstaller.exe | GET | 200 | 104.18.88.101:80 | http://wcdownloadercdn.lavasoft.com/7.0.2417.4248/WcInstaller.exe | US | executable | 494 Kb | whitelisted |
3200 | WebCompanionInstaller.exe | POST | 200 | 104.18.87.101:80 | http://flow.lavasoft.com/v1/event-stat-wc?Type=ProgressInstall&ProductID=wc&EventVersion=1 | US | binary | 29 b | whitelisted |
1340 | WebCompanionInstaller.exe | POST | 200 | 64.18.87.81:80 | http://wc-update-service.lavasoft.com/update.asmx | CA | xml | 1.45 Kb | whitelisted |
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
3200 | WebCompanionInstaller.exe | 104.18.87.101:80 | flow.lavasoft.com | Cloudflare Inc | US | shared |
3200 | WebCompanionInstaller.exe | 64.18.87.81:80 | wc-update-service.lavasoft.com | COGECODATA | CA | unknown |
1340 | WebCompanionInstaller.exe | 104.18.87.101:80 | flow.lavasoft.com | Cloudflare Inc | US | shared |
1340 | WebCompanionInstaller.exe | 64.18.87.81:80 | wc-update-service.lavasoft.com | COGECODATA | CA | unknown |
3200 | WebCompanionInstaller.exe | 104.18.88.101:80 | flow.lavasoft.com | Cloudflare Inc | US | shared |
Domain | IP | Reputation |
|---|---|---|
flow.lavasoft.com |
| whitelisted |
wc-update-service.lavasoft.com |
| whitelisted |
wcdownloadercdn.lavasoft.com |
| whitelisted |
PID | Process | Class | Message |
|---|---|---|---|
3200 | WebCompanionInstaller.exe | Potential Corporate Privacy Violation | AV POLICY HTTP request for .exe file with no User-Agent |
3200 | WebCompanionInstaller.exe | Potential Corporate Privacy Violation | ET POLICY PE EXE or DLL Windows file download HTTP |
3200 | WebCompanionInstaller.exe | Potentially Bad Traffic | ET INFO Executable Retrieved With Minimal HTTP Headers - Potential Second Stage Download |
Process | Message |
|---|---|
WebCompanionInstaller.exe | Detecting windows culture
|
WebCompanionInstaller.exe | 11/18/2021 9:21:36 PM :-> Starting installer 8.9.0.371 with: .\WebCompanionInstaller.exe --prod, Run as admin: True
|
WebCompanionInstaller.exe | Detecting windows culture
|
WebCompanionInstaller.exe | 11/18/2021 9:21:41 PM :-> Starting installer 7.0.2417.4248 with: .\WebCompanionInstaller.exe --prod --nanouniqueid=1637270496510 --prod, Run as admin: True
|