| download: | /Downloads/SplashtopSOS.exe |
| Full analysis: | https://app.any.run/tasks/39c82c30-874a-4851-ad97-458ec82e8f00 |
| Verdict: | Malicious activity |
| Analysis date: | February 24, 2025, 14:43:44 |
| OS: | Windows 10 Professional (build: 19045, 64 bit) |
| Indicators: | |
| MIME: | application/vnd.microsoft.portable-executable |
| File info: | PE32 executable (GUI) Intel 80386, for MS Windows, InstallShield self-extracting archive, 4 sections |
| MD5: | 4A8E6091B2D23695EAFCF9B70ABEF28C |
| SHA1: | 3AD8985525B7AA59F4FDD4972CDD804A7B9DA4A9 |
| SHA256: | AB591F9AAEE0C567F4BC664444C9F1E271356957EF914858585FFD104C0EAB8B |
| SSDEEP: | 98304:b+6yxl1VG3pkk52D8Q8J3uQE+P1vPFc6Lz3rlTw/YOQ0NB7lsgP0YtxhvVxAiNHV:kYJioMKCQTRkN0FZu |
| .exe | | | Win32 Executable MS Visual C++ (generic) (67.4) |
|---|---|---|
| .dll | | | Win32 Dynamic Link Library (generic) (14.2) |
| .exe | | | Win32 Executable (generic) (9.7) |
| .exe | | | Generic Win/DOS Executable (4.3) |
| .exe | | | DOS Executable Generic (4.3) |
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2019:10:04 03:01:17+00:00 |
| ImageFileCharacteristics: | No relocs, Executable, 32-bit |
| PEType: | PE32 |
| LinkerVersion: | 9 |
| CodeSize: | 200704 |
| InitializedDataSize: | 277504 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x13c25 |
| OSVersion: | 5 |
| ImageVersion: | - |
| SubsystemVersion: | 5 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 3.34.9.4662 |
| ProductVersionNumber: | 3.3.4.0 |
| FileFlagsMask: | 0x003f |
| FileFlags: | (none) |
| FileOS: | Win32 |
| ObjectFileType: | Executable application |
| FileSubtype: | - |
| LanguageCode: | English (U.S.) |
| CharacterSet: | Windows, Latin1 |
| CompanyName: | Splashtop Inc. |
| FileDescription: | Splashtop® SOS |
| FileVersion: | 3.34.9.4662 |
| LegalCopyright: | Copyright © Splashtop Inc. All Rights Reserved. |
| ProductName: | Splashtop® SOS |
| ProductVersion: | 3.3.4.0 |
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 640 | "C:\WINDOWS\sysnative\cmd.exe" /c schtasks /create /xml ASOS.xml /ru "system" /tn ASOS1 | C:\Windows\System32\cmd.exe | — | SplashtopSOS.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Windows Command Processor Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 1140 | schtasks /change /tn ASOS1 /ru "system" /tr "'C:\Users\admin\AppData\Local\Temp\unpacksos\1\\Launcher.exe' SRManagerSOS.exe 1 " | C:\Windows\System32\schtasks.exe | — | cmd.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Task Scheduler Configuration Tool Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 1228 | \??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1 | C:\Windows\System32\conhost.exe | — | Launcher.exe | |||||||||||
User: SYSTEM Company: Microsoft Corporation Integrity Level: SYSTEM Description: Console Window Host Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 1512 | schtasks /create /xml ASOS.xml /ru "system" /tn ASOS1 | C:\Windows\System32\schtasks.exe | — | cmd.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Task Scheduler Configuration Tool Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 2324 | "C:\Users\admin\AppData\Local\Temp\unpacksos\1\SRFeatureSOS.exe" | C:\Users\admin\AppData\Local\Temp\unpacksos\1\SRFeatureSOS.exe | — | SRManagerSOS.exe | |||||||||||
User: SYSTEM Company: Splashtop Inc. Integrity Level: SYSTEM Description: Splashtop® Streamer Feature Version: 3.34.9.4662 Modules
| |||||||||||||||
| 3688 | schtasks /delete /f /tn ASOS1 | C:\Windows\System32\schtasks.exe | — | cmd.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Task Scheduler Configuration Tool Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 4444 | \??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1 | C:\Windows\System32\conhost.exe | — | SRUtilitySOS.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Console Window Host Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 4976 | "C:\WINDOWS\sysnative\cmd.exe" /c schtasks /run /tn ASOS1 | C:\Windows\System32\cmd.exe | — | SplashtopSOS.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Windows Command Processor Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 5472 | SRUtilitySOS.exe -r | C:\Users\admin\AppData\Local\Temp\unpacksos\1\SRUtilitySOS.exe | — | SRFeatureSOS.exe | |||||||||||
User: admin Company: Splashtop Inc. Integrity Level: MEDIUM Description: Splashtop® Streamer Utility Exit code: 0 Version: 3.34.9.4662 Modules
| |||||||||||||||
| 5556 | \??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1 | C:\Windows\System32\conhost.exe | — | cmd.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Console Window Host Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| (PID) Process: | (6724) SplashtopSOS.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Splashtop Inc.\Splashtop Remote Server SOS_1 |
| Operation: | write | Name: | ImagePath |
Value: C:\Users\admin\Downloads\SplashtopSOS.exe | |||
| (PID) Process: | (6724) SplashtopSOS.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Splashtop Inc.\Splashtop Remote Server SOS_1 |
| Operation: | write | Name: | DesktopPath |
Value: C:\Users\admin\Desktop\SOS.exe | |||
| (PID) Process: | (6724) SplashtopSOS.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Splashtop Inc.\Splashtop Remote Server SOS_1 |
| Operation: | delete value | Name: | NoteSession |
Value: | |||
| (PID) Process: | (6724) SplashtopSOS.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Splashtop Inc.\Splashtop Remote Server SOS_1 |
| Operation: | delete value | Name: | IdleSessionTimeout |
Value: | |||
| (PID) Process: | (6724) SplashtopSOS.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Splashtop Inc.\Splashtop Remote Server SOS_1 |
| Operation: | write | Name: | IsSystemUser |
Value: 1 | |||
| (PID) Process: | (6288) SRManagerSOS.exe | Key: | HKEY_USERS\S-1-5-21-1693682860-607145093-2874071422-1001\SOFTWARE\Splashtop Inc.\Splashtop Remote Server SOS_1 |
| Operation: | delete value | Name: | LaunchSid_DC |
Value: | |||
| (PID) Process: | (5992) SRServerSOS.exe | Key: | HKEY_USERS\S-1-5-21-1693682860-607145093-2874071422-1001\SOFTWARE\Splashtop Inc.\Splashtop Remote Server SOS |
| Operation: | write | Name: | AutoMute |
Value: 2 | |||
| (PID) Process: | (6288) SRManagerSOS.exe | Key: | HKEY_USERS\S-1-5-21-1693682860-607145093-2874071422-1001\SOFTWARE\Splashtop Inc.\Splashtop Remote Server SOS_1 |
| Operation: | write | Name: | ServerUUID_Method |
Value: 0 | |||
| (PID) Process: | (6288) SRManagerSOS.exe | Key: | HKEY_USERS\S-1-5-21-1693682860-607145093-2874071422-1001\SOFTWARE\Splashtop Inc.\Splashtop Remote Server SOS_1 |
| Operation: | write | Name: | ServerUUID |
Value: 10012241704782390541706068286396 | |||
| (PID) Process: | (5992) SRServerSOS.exe | Key: | HKEY_USERS\S-1-5-21-1693682860-607145093-2874071422-1001\SOFTWARE\Splashtop Inc.\Splashtop Remote Server SOS |
| Operation: | write | Name: | CloudProxyEnable |
Value: 0 | |||
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 6724 | SplashtopSOS.exe | C:\Users\admin\AppData\Local\Temp\unpacksos\1\streamer1.cab | — | |
MD5:— | SHA256:— | |||
| 6964 | expand.exe | C:\Users\admin\AppData\Local\Temp\unpacksos\1\libcelt-0.dll | executable | |
MD5:8BBA1737DC72388009059A1FFF1E1972 | SHA256:4B446A58944E0BB1BDC5561ECBB5AB110F4D770F9091A45CAD93394ADB5DB2E7 | |||
| 6964 | expand.exe | C:\Users\admin\AppData\Local\Temp\unpacksos\1\SRAppSOS.exe | executable | |
MD5:6F256FC395102A655F5A6171E69C4672 | SHA256:6ECA0477C312ED4B863FE39295862065ECEC2620D07468D8D83D43B2F8BDBF6A | |||
| 6964 | expand.exe | C:\Users\admin\AppData\Local\Temp\unpacksos\1\Launcher.exe | executable | |
MD5:C634F80818DE810BEF3C024B73FF758A | SHA256:CE48AA9C9295E58462BBCEF4BE39DDB6859E59353F6A2483A216E6614C1E18E6 | |||
| 6964 | expand.exe | C:\Users\admin\AppData\Local\Temp\unpacksos\1\p_unmount.bat | text | |
MD5:FA3C191799254E542687F1F5D0974BC5 | SHA256:347B12E6E2FC79E2A3668625341D7642D531159FFE5B01AB2BC5469E0EFC6B3F | |||
| 6964 | expand.exe | C:\Users\admin\AppData\Local\Temp\unpacksos\1\libx264-116.dll | executable | |
MD5:DBD2912F2E21847D7303E91CC23F099E | SHA256:8AFD41F2FB41025EF19AF5A4CC00C986ED19C6EC5DB33D3E6FD0E898594725C5 | |||
| 6964 | expand.exe | C:\Users\admin\AppData\Local\Temp\unpacksos\1\SRClient.pem | text | |
MD5:D3EFF9D97C0E91A49577CC0BA2EDC52A | SHA256:BFBC68E1A615C677E197DBEA38BCACCA99C35B32A0311767AEB2728F0040AD2E | |||
| 6724 | SplashtopSOS.exe | C:\Users\admin\AppData\Local\Temp\unpack1.log | text | |
MD5:6705739697D2CF344857093292443CEA | SHA256:114FA0124FFC9625307D3A1FC8D364C3EE934C9AEF886295A8A45D03094FE39C | |||
| 6964 | expand.exe | C:\Users\admin\AppData\Local\Temp\unpacksos\1\SRServer.pem | text | |
MD5:D3EFF9D97C0E91A49577CC0BA2EDC52A | SHA256:BFBC68E1A615C677E197DBEA38BCACCA99C35B32A0311767AEB2728F0040AD2E | |||
| 6964 | expand.exe | C:\Users\admin\AppData\Local\Temp\unpacksos\1\p_mount.bat | text | |
MD5:88E59700F53DE95D2847B9687764BE30 | SHA256:B085F4E0D6A7A4DC967C96D7C318CB749BC497135FD9E35D7AD0C88E6C53F577 | |||
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
4712 | MoUsoCoreWorker.exe | GET | 200 | 23.53.41.83:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
4712 | MoUsoCoreWorker.exe | GET | 200 | 184.30.21.171:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
2040 | svchost.exe | GET | 200 | 23.53.41.83:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
— | — | GET | 200 | 184.30.131.245:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTrjrydRyt%2BApF3GSPypfHBxR5XtQQUs9tIpPmhxdiuNkHMEWNpYim8S8YCEAI5PUjXAkJafLQcAAsO18o%3D | unknown | — | — | whitelisted |
1176 | svchost.exe | GET | 200 | 184.30.131.245:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D | unknown | — | — | whitelisted |
6288 | SRManagerSOS.exe | GET | 403 | 108.138.7.104:80 | http://st2-v3-dc.splashtop.com/api/fulong | unknown | — | — | whitelisted |
6288 | SRManagerSOS.exe | GET | 200 | 184.30.131.114:80 | http://s2.symcb.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBS56bKHAoUD%2BOyl%2B0LhPg9JxyQm4gQUf9Nlp8Ld7LvwMAnzQzn6Aq8zMTMCED141%2Fl2SWCyYX308B7Khio%3D | unknown | — | — | whitelisted |
6288 | SRManagerSOS.exe | GET | 403 | 108.138.7.104:80 | http://st2-v3-dc.splashtop.com/api/fulong | unknown | — | — | whitelisted |
6288 | SRManagerSOS.exe | GET | 403 | 108.138.7.104:80 | http://st2-v3-dc.splashtop.com/api/fulong | unknown | — | — | whitelisted |
6288 | SRManagerSOS.exe | GET | 403 | 108.138.7.104:80 | http://st2-v3-dc.splashtop.com/api/fulong | unknown | — | — | whitelisted |
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
4 | System | 192.168.100.255:137 | — | — | — | whitelisted |
— | — | 51.104.136.2:443 | — | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
4712 | MoUsoCoreWorker.exe | 23.53.41.83:80 | crl.microsoft.com | Akamai International B.V. | DE | whitelisted |
2040 | svchost.exe | 23.53.41.83:80 | crl.microsoft.com | Akamai International B.V. | DE | whitelisted |
4712 | MoUsoCoreWorker.exe | 184.30.21.171:80 | www.microsoft.com | AKAMAI-AS | DE | whitelisted |
2040 | svchost.exe | 184.30.21.171:80 | www.microsoft.com | AKAMAI-AS | DE | whitelisted |
2356 | RUXIMICS.exe | 51.104.136.2:443 | — | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
5064 | SearchApp.exe | 104.126.37.137:443 | www.bing.com | Akamai International B.V. | DE | whitelisted |
— | — | 184.30.131.245:80 | ocsp.digicert.com | AKAMAI-AS | US | whitelisted |
2040 | svchost.exe | 51.104.136.2:443 | — | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
Domain | IP | Reputation |
|---|---|---|
crl.microsoft.com |
| whitelisted |
www.microsoft.com |
| whitelisted |
google.com |
| whitelisted |
www.bing.com |
| whitelisted |
ocsp.digicert.com |
| whitelisted |
login.live.com |
| whitelisted |
s2.symcb.com |
| whitelisted |
s1.symcb.com |
| whitelisted |
sv.symcd.com |
| whitelisted |
go.microsoft.com |
| whitelisted |
PID | Process | Class | Message |
|---|---|---|---|
2192 | svchost.exe | Misc activity | ET INFO Splashtop Domain in DNS Lookup (splashtop .com) |
6288 | SRManagerSOS.exe | Misc activity | ET INFO Splashtop Domain (splashtop .com) in TLS SNI |
2192 | svchost.exe | Misc activity | ET INFO Splashtop Domain in DNS Lookup (splashtop .com) |
2192 | svchost.exe | Misc activity | ET INFO Splashtop Domain in DNS Lookup (splashtop .com) |
6288 | SRManagerSOS.exe | Misc activity | ET INFO Splashtop Domain (splashtop .com) in TLS SNI |
2192 | svchost.exe | Misc activity | ET INFO Splashtop Domain in DNS Lookup (splashtop .com) |
Process | Message |
|---|---|
SplashtopSOS.exe | [6724]2025-02-24 14:43:54 [CUtility::OSInfo] OS 10.0(19045) x64:1 (Last=0) |
SplashtopSOS.exe | [6724]2025-02-24 14:43:54 [CUnPack::FindHeader] Name:C:\Users\admin\Downloads\SplashtopSOS.exe (Last=0) |
SplashtopSOS.exe | [6724]2025-02-24 14:43:54 [CUnPack::FindHeader] Sign Size:6096 (Last=0) |
SplashtopSOS.exe | [6724]2025-02-24 14:43:54 [CUnPack::FindHeader] Header offset:479232 (Last=183) |
SplashtopSOS.exe | [6724]2025-02-24 14:43:54 [CUnPack::UnPackFiles] FreeSpace:228969738240 FileSize:7226558 (Last=0) |
SplashtopSOS.exe | [6724]2025-02-24 14:43:54 [CUnPack::UnPackFiles] (1/1)UnPack file name:C:\Users\admin\AppData\Local\Temp\unpacksos\1\streamer1.cab (7226558) (Last=0) |
SplashtopSOS.exe | [6724]2025-02-24 14:43:54 [CUnPack::UnPackFiles] UnPack count:1 len:7226558 File:(null) (Last=0) |
SplashtopSOS.exe | [6724]2025-02-24 14:43:54 [CUnPack::UnPackFiles] UnPack total 1 files. (Last=183) |
SplashtopSOS.exe | [6724]2025-02-24 14:43:54 [CUnPackFileApp::ExecuteCommand] succ wait pid:1372 (Last=0) |
SplashtopSOS.exe | [6724]2025-02-24 14:43:56 [CUnPackFileApp::ExecuteCommand] pid:1372 finish ecode:0 (Last=0) |