| File name: | DropboxInstaller.exe |
| Full analysis: | https://app.any.run/tasks/e97fa367-80da-4a35-9a9b-028e4b10b5ad |
| Verdict: | Malicious activity |
| Analysis date: | May 17, 2025, 07:16:24 |
| OS: | Windows 10 Professional (build: 19044, 64 bit) |
| Indicators: | |
| MIME: | application/vnd.microsoft.portable-executable |
| File info: | PE32 executable (GUI) Intel 80386, for MS Windows, 5 sections |
| MD5: | BC201E5911F199EAE5A5855E843C236A |
| SHA1: | 2F98B105BA346E61EC792CB94735DE2079F6F679 |
| SHA256: | 1256F3AA5F091AC40A573113FCC1A4D0E320AF5EE363B0ECA79618602CB7DC66 |
| SSDEEP: | 24576:+IolN0JKsyMh0RldSE+cbYVegQV+W53cr04YXFftljG8Y62ZUQshwcE3vKDIIM+6:+IolN0IsRh0RldS1cbYVrQV+W53cr04d |
| .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) |
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2024:12:09 10:18:51+00:00 |
| ImageFileCharacteristics: | Executable, 32-bit |
| PEType: | PE32 |
| LinkerVersion: | 9 |
| CodeSize: | 48640 |
| InitializedDataSize: | 742400 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x4d4d |
| OSVersion: | 5 |
| ImageVersion: | - |
| SubsystemVersion: | 5 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 1.3.983.1 |
| ProductVersionNumber: | 1.3.983.1 |
| FileFlagsMask: | 0x003f |
| FileFlags: | (none) |
| FileOS: | Windows NT 32-bit |
| ObjectFileType: | Executable application |
| FileSubtype: | - |
| LanguageCode: | English (U.S.) |
| CharacterSet: | Unicode |
| CompanyName: | Dropbox, Inc. |
| FileDescription: | Dropbox Update Setup |
| FileVersion: | 1.3.983.1 |
| InternalName: | Dropbox Update Setup |
| LegalCopyright: | Copyright: Dropbox, Inc. 2015 (Omaha Copyright Google Inc.) |
| OriginalFileName: | DropboxUpdateSetup.exe |
| ProductName: | Dropbox Update |
| ProductVersion: | 1.3.983.1 |
| LanguageId: | en |
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 780 | C:\WINDOWS\system32\SppExtComObj.exe -Embedding | C:\Windows\System32\SppExtComObj.Exe | — | svchost.exe | |||||||||||
User: NETWORK SERVICE Company: Microsoft Corporation Integrity Level: SYSTEM Description: KMS Connection Broker Version: 10.0.19041.3996 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 1324 | "C:\Program Files (x86)\Dropbox\Update\DropboxUpdate.exe" /ping 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- | C:\Program Files (x86)\Dropbox\Update\DropboxUpdate.exe | DropboxUpdate.exe | ||||||||||||
User: admin Company: Dropbox, Inc. Integrity Level: HIGH Description: Dropbox Update Exit code: 0 Version: 1.3.537.5 Modules
| |||||||||||||||
| 2152 | "C:\Program Files (x86)\Dropbox\Update\DropboxUpdate.exe" /regsvc | C:\Program Files (x86)\Dropbox\Update\DropboxUpdate.exe | — | DropboxUpdate.exe | |||||||||||
User: admin Company: Dropbox, Inc. Integrity Level: HIGH Description: Dropbox Update Exit code: 0 Version: 1.3.537.5 Modules
| |||||||||||||||
| 2236 | "C:\WINDOWS\System32\SLUI.exe" RuleId=3482d82e-ca2c-4e1f-8864-da0267b484b2;Action=AutoActivate;AppId=55c92734-d682-4d71-983e-d6ec3f16059f;SkuId=4de7cb65-cdf1-4de9-8ae8-e3cce27b9f2c;NotificationInterval=1440;Trigger=TimerEvent | C:\Windows\System32\slui.exe | — | SppExtComObj.Exe | |||||||||||
User: NETWORK SERVICE Company: Microsoft Corporation Integrity Level: SYSTEM Description: Windows Activation Client Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 5008 | "C:\Program Files (x86)\Dropbox\Update\DropboxUpdate.exe" /handoff "appguid={CC46080E-4C33-4981-859A-BBA2F780F31E}&appname=Dropbox&needsadmin=Prefers&experiments=buildid%3Dmain%7CThu%2C%2031%20Dec%202099%2023%3A59%3A59%20GMT&dropbox_data=eyJUQUdTIjoiZUp5clZpcE9MUzdPek0tTHoweFJzbEl3TWpJd003QXdOamMxTkRNek1EWTJNTEkwTVRjME1EQXl0VFEyTkxBQXNrMHR6RTB0RFdvQnB3VU5yQX5-QE1FVEEifQ&nolaunch=0" /installsource taggedmi /sessionid "{3DE8F7FF-DEEA-4179-AC8E-E51D3B778545}" | C:\Program Files (x86)\Dropbox\Update\DropboxUpdate.exe | — | DropboxUpdate.exe | |||||||||||
User: admin Company: Dropbox, Inc. Integrity Level: HIGH Description: Dropbox Update Version: 1.3.537.5 Modules
| |||||||||||||||
| 5544 | "C:\Users\admin\AppData\Local\Temp\DropboxInstaller.exe" | C:\Users\admin\AppData\Local\Temp\DropboxInstaller.exe | explorer.exe | ||||||||||||
User: admin Company: Dropbox, Inc. Integrity Level: MEDIUM Description: Dropbox Update Setup Version: 1.3.983.1 Modules
| |||||||||||||||
| 6028 | C:\Users\admin\AppData\Local\Temp\GUMB613.tmp\DropboxUpdate.exe /installsource taggedmi /install "appguid={CC46080E-4C33-4981-859A-BBA2F780F31E}&appname=Dropbox&needsadmin=Prefers&experiments=buildid%3Dmain%7CThu%2C%2031%20Dec%202099%2023%3A59%3A59%20GMT&dropbox_data=eyJUQUdTIjoiZUp5clZpcE9MUzdPek0tTHoweFJzbEl3TWpJd003QXdOamMxTkRNek1EWTJNTEkwTVRjME1EQXl0VFEyTkxBQXNrMHR6RTB0RFdvQnB3VU5yQX5-QE1FVEEifQ" | C:\Users\admin\AppData\Local\Temp\GUMB613.tmp\DropboxUpdate.exe | — | DropboxInstaller.exe | |||||||||||
User: admin Company: Dropbox, Inc. Integrity Level: MEDIUM Description: Dropbox Update Version: 1.3.537.5 Modules
| |||||||||||||||
| 6032 | "C:\Users\admin\AppData\Local\Temp\GUMB613.tmp\DropboxUpdate.exe" /installsource taggedmi /install "appguid={CC46080E-4C33-4981-859A-BBA2F780F31E}&appname=Dropbox&needsadmin=Prefers&experiments=buildid%3Dmain%7CThu%2C%2031%20Dec%202099%2023%3A59%3A59%20GMT&dropbox_data=eyJUQUdTIjoiZUp5clZpcE9MUzdPek0tTHoweFJzbEl3TWpJd003QXdOamMxTkRNek1EWTJNTEkwTVRjME1EQXl0VFEyTkxBQXNrMHR6RTB0RFdvQnB3VU5yQX5-QE1FVEEifQ" /installelevated | C:\Users\admin\AppData\Local\Temp\GUMB613.tmp\DropboxUpdate.exe | DropboxUpdate.exe | ||||||||||||
User: admin Company: Dropbox, Inc. Integrity Level: HIGH Description: Dropbox Update Version: 1.3.537.5 Modules
| |||||||||||||||
| 6272 | C:\WINDOWS\system32\msiexec.exe /V | C:\Windows\System32\msiexec.exe | services.exe | ||||||||||||
User: SYSTEM Company: Microsoft Corporation Integrity Level: SYSTEM Description: Windows® installer Version: 5.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 6468 | "C:\Program Files (x86)\Dropbox\Update\DropboxUpdate.exe" /svc | C:\Program Files (x86)\Dropbox\Update\DropboxUpdate.exe | services.exe | ||||||||||||
User: SYSTEM Company: Dropbox, Inc. Integrity Level: SYSTEM Description: Dropbox Update Version: 1.3.537.5 Modules
| |||||||||||||||
| (PID) Process: | (6032) DropboxUpdate.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\DropboxUpdate\Update |
| Operation: | delete value | Name: | eulaaccepted |
Value: | |||
| (PID) Process: | (6032) DropboxUpdate.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\DropboxUpdate\Update |
| Operation: | write | Name: | path |
Value: C:\Program Files (x86)\Dropbox\Update\DropboxUpdate.exe | |||
| (PID) Process: | (6032) DropboxUpdate.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\DropboxUpdate\Update\Clients\{D8968FF2-E0B1-4A13-A3E2-C9F2995F3BC6} |
| Operation: | write | Name: | pv |
Value: 1.3.983.1 | |||
| (PID) Process: | (6032) DropboxUpdate.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\DropboxUpdate\Update\Clients\{D8968FF2-E0B1-4A13-A3E2-C9F2995F3BC6} |
| Operation: | write | Name: | name |
Value: Dropbox Update | |||
| (PID) Process: | (6032) DropboxUpdate.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\DropboxUpdate\Update\ClientState\{D8968FF2-E0B1-4A13-A3E2-C9F2995F3BC6} |
| Operation: | write | Name: | pv |
Value: 1.3.983.1 | |||
| (PID) Process: | (6032) DropboxUpdate.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\DropboxUpdate.exe |
| Operation: | write | Name: | DisableExceptionChainValidation |
Value: 0 | |||
| (PID) Process: | (2152) DropboxUpdate.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Classes\AppID\DropboxUpdate.exe |
| Operation: | write | Name: | AppID |
Value: {96D1EED3-701E-4FE5-B996-A543A8465897} | |||
| (PID) Process: | (2152) DropboxUpdate.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Classes\AppID\{96D1EED3-701E-4FE5-B996-A543A8465897} |
| Operation: | write | Name: | LocalService |
Value: dbupdate | |||
| (PID) Process: | (2152) DropboxUpdate.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Classes\AppID\{96D1EED3-701E-4FE5-B996-A543A8465897} |
| Operation: | write | Name: | ServiceParameters |
Value: /comsvc | |||
| (PID) Process: | (2152) DropboxUpdate.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{96D1EED3-701E-4FE5-B996-A543A8465897} |
| Operation: | write | Name: | AppID |
Value: {96D1EED3-701E-4FE5-B996-A543A8465897} | |||
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 5544 | DropboxInstaller.exe | C:\Users\admin\AppData\Local\Temp\GUMB613.tmp\goopdateres_da.dll | executable | |
MD5:404FDE9C1036B2203DAABC4635F3B570 | SHA256:3C42EE21356D06D472960377BE43C1257D16BDA3461B4A712C932901FE4AD586 | |||
| 5544 | DropboxInstaller.exe | C:\Users\admin\AppData\Local\Temp\GUMB613.tmp\@PaxHeader | text | |
MD5:7AAB1349E35300362E6CBAEE08B1F2C2 | SHA256:96054F9AC9B8AA9D368B41AD845CA29DFE12810AA0B19A897244EFB77C8DBA5B | |||
| 5544 | DropboxInstaller.exe | C:\Users\admin\AppData\Local\Temp\GUMB613.tmp\goopdateres_es.dll | executable | |
MD5:7E4A054E4FD54590BD30BDE1C881C81E | SHA256:DB9064B062C3224AF5E4AE33198ACB749061E06A7C1CC489A094F853C468E5DD | |||
| 5544 | DropboxInstaller.exe | C:\Users\admin\AppData\Local\Temp\GUMB613.tmp\DropboxUpdateOnDemand.exe | executable | |
MD5:C1B15C6B3159EE58C9147D2C59BC6D19 | SHA256:4C5EEFB55977506C18EB27CC01CCF7773DFB050D93240B5959822061753F4A97 | |||
| 5544 | DropboxInstaller.exe | C:\Users\admin\AppData\Local\Temp\GUMB613.tmp\DropboxCrashHandler.exe | executable | |
MD5:6593CBE28B4DDDF760595AE90A0EEC2E | SHA256:C59A6B27321A0B7B1E71A7419059284A0756864AE42A9892C6F00E3D36B8A043 | |||
| 5544 | DropboxInstaller.exe | C:\Users\admin\AppData\Local\Temp\GUMB613.tmp\goopdate.dll | executable | |
MD5:7850315ED466F2CF119AAAC6CF2BB078 | SHA256:4DD4FBBE79FCF95492742EA3D494427698425150944527DAE2D2F99A90139BDE | |||
| 5544 | DropboxInstaller.exe | C:\Users\admin\AppData\Local\Temp\GUMB613.tmp\DropboxUpdateBroker.exe | executable | |
MD5:19409EF4B22E801924DF0AB20BE2D413 | SHA256:4F6BBB4E51761BAD085896830231B489BC260CF354A272A5832667D15745868B | |||
| 5544 | DropboxInstaller.exe | C:\Users\admin\AppData\Local\Temp\GUMB613.tmp\DropboxUpdateHelper.msi | executable | |
MD5:7E7BCD010731A002F292C2F9A2C03C05 | SHA256:7D53451933C9EEF1A722D9A285D91112418DB30415B3B4009DB0CE88195FC615 | |||
| 5544 | DropboxInstaller.exe | C:\Users\admin\AppData\Local\Temp\GUMB613.tmp\psuser.dll | executable | |
MD5:CC060AE910C05B0CFE92307EF098795E | SHA256:9BB4B0449F899593F815C89C44253A06D8FB08AB9906F6EF11D81CB9E8C35550 | |||
| 5544 | DropboxInstaller.exe | C:\Users\admin\AppData\Local\Temp\GUMB613.tmp\DropboxUpdate.exe | executable | |
MD5:8AD76E0B347BB690697535CE95B1C656 | SHA256:7655221B493047C61285E1DE78807D0584920B0D14D150E2487DA9728B1926F3 | |||
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
5496 | MoUsoCoreWorker.exe | GET | 200 | 23.216.77.15:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
5496 | MoUsoCoreWorker.exe | GET | 200 | 23.35.229.160:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
— | — | GET | 200 | 23.35.229.160:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
6272 | msiexec.exe | GET | 200 | 2.17.190.73:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBT3xL4LQLXDRDM9P665TW442vrsUQQUReuir%2FSSy4IxLVGLp6chnfNtyA8CEA6bGI750C3n79tQ4ghAGFo%3D | unknown | — | — | whitelisted |
6272 | msiexec.exe | GET | 200 | 2.17.190.73:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTfIs%2BLjDtGwQ09XEB1Yeq%2BtX%2BBgQQU7NfjgtJxXWRM3y5nP%2Be6mK4cD08CEAitQLJg0pxMn17Nqb2Trtk%3D | unknown | — | — | whitelisted |
6272 | msiexec.exe | GET | 200 | 2.17.190.73:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSRXerF0eFeSWRripTgTkcJWMm7iQQUaDfg67Y7%2BF8Rhvv%2BYXsIiGX0TkICEAOKSkxNqmqtTGS8Y78ILE0%3D | unknown | — | — | whitelisted |
1324 | DropboxUpdate.exe | GET | 200 | 2.17.190.73:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAbY2QTVWENG9oovp1QifsQ%3D | unknown | — | — | whitelisted |
6468 | DropboxUpdate.exe | GET | 200 | 2.17.190.73:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAbY2QTVWENG9oovp1QifsQ%3D | unknown | — | — | whitelisted |
1324 | DropboxUpdate.exe | GET | 200 | 2.17.190.73:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTk45WiKdPUwcMf8JgMC07ACYqr2AQUt2ui6qiqhIx56rTaD5iyxZV2ufQCEAyVRp0LO%2F899HuOUNmwbkY%3D | unknown | — | — | whitelisted |
6468 | DropboxUpdate.exe | GET | 200 | 2.17.190.73:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTk45WiKdPUwcMf8JgMC07ACYqr2AQUt2ui6qiqhIx56rTaD5iyxZV2ufQCEAyVRp0LO%2F899HuOUNmwbkY%3D | unknown | — | — | whitelisted |
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
4 | System | 192.168.100.255:137 | — | — | — | whitelisted |
— | — | 51.104.136.2:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
5496 | MoUsoCoreWorker.exe | 23.216.77.15:80 | crl.microsoft.com | Akamai International B.V. | DE | whitelisted |
5496 | MoUsoCoreWorker.exe | 23.35.229.160:80 | www.microsoft.com | AKAMAI-AS | DE | whitelisted |
— | — | 23.35.229.160:80 | www.microsoft.com | AKAMAI-AS | DE | whitelisted |
3216 | svchost.exe | 172.211.123.248:443 | client.wns.windows.com | MICROSOFT-CORP-MSN-AS-BLOCK | FR | whitelisted |
6272 | msiexec.exe | 2.17.190.73:80 | ocsp.digicert.com | AKAMAI-AS | DE | whitelisted |
1324 | DropboxUpdate.exe | 162.125.66.13:443 | client.dropbox.com | DROPBOX | DE | whitelisted |
6468 | DropboxUpdate.exe | 162.125.66.13:443 | client.dropbox.com | DROPBOX | DE | whitelisted |
Domain | IP | Reputation |
|---|---|---|
settings-win.data.microsoft.com |
| whitelisted |
google.com |
| whitelisted |
crl.microsoft.com |
| whitelisted |
www.microsoft.com |
| whitelisted |
client.wns.windows.com |
| whitelisted |
ocsp.digicert.com |
| whitelisted |
client.dropbox.com |
| whitelisted |
edge.dropboxstatic.com |
| whitelisted |
login.live.com |
| whitelisted |
slscr.update.microsoft.com |
| whitelisted |
PID | Process | Class | Message |
|---|---|---|---|
1324 | DropboxUpdate.exe | Potential Corporate Privacy Violation | ET INFO Dropbox.com Offsite File Backup in Use |