| File name: | OInstall.exe |
| Full analysis: | https://app.any.run/tasks/ef2a0e0d-d41b-4ff3-bd38-fe84ae8b6e7e |
| Verdict: | Malicious activity |
| Analysis date: | September 03, 2025, 17:40:03 |
| OS: | Windows 10 Professional (build: 19044, 64 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/vnd.microsoft.portable-executable |
| File info: | PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed, 3 sections |
| MD5: | F2C72FC49DE94B5049A397CE560C0CBB |
| SHA1: | F13EA923EA86EA760AA35B726F08C8017E68ECBD |
| SHA256: | F34CB19FAB14F9B20D4030066BE893954BF0E6CB08B06283F4B52A3FAE0DE7AB |
| SSDEEP: | 98304:nhllwGZXMfoxSRr4r6EQI0MME7KjPkGIS5bBoXWznyZA4UO/R34qgLcSPV10PurB:zIYzCKX5V6e79plnsMm7pT |
| .exe | | | UPX compressed Win32 Executable (76) |
|---|---|---|
| .exe | | | Win32 Executable (generic) (12.6) |
| .exe | | | Generic Win/DOS Executable (5.6) |
| .exe | | | DOS Executable Generic (5.6) |
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2022:06:04 09:26:16+00:00 |
| ImageFileCharacteristics: | No relocs, Executable, No line numbers, No symbols, 32-bit |
| PEType: | PE32 |
| LinkerVersion: | 2.5 |
| CodeSize: | 12247040 |
| InitializedDataSize: | 90112 |
| UninitializedDataSize: | 11354112 |
| EntryPoint: | 0x16821e0 |
| OSVersion: | 4 |
| ImageVersion: | - |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 7.4.2.0 |
| ProductVersionNumber: | 7.4.2.0 |
| FileFlagsMask: | 0x0000 |
| FileFlags: | (none) |
| FileOS: | Unknown (0) |
| ObjectFileType: | Unknown |
| FileSubtype: | - |
| LanguageCode: | Neutral |
| CharacterSet: | Unicode |
| ProductName: | Office 2013-2021 C2R Install |
| FileDescription: | Office 2013-2021 C2R Install |
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 512 | \??\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
| |||||||||||||||
| 592 | \??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1 | C:\Windows\System32\conhost.exe | — | expand.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
| |||||||||||||||
| 700 | "C:\WINDOWS\Sysnative\cmd.exe" /D /c reg.exe add "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Office\ClickToRun\Configuration" /f /v "UpdateUrl" /t REG_SZ /d http://officecdn.microsoft.com/pr/492350f6-3a01-4f97-b9c0-c7c6ddf67d60 | C:\Windows\System32\cmd.exe | — | OInstall.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
| |||||||||||||||
| 716 | reg.exe add "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Office\ClickToRun\Configuration" /f /v "UpdateChannel" /t REG_SZ /d http://officecdn.microsoft.com/pr/492350f6-3a01-4f97-b9c0-c7c6ddf67d60 | C:\Windows\System32\reg.exe | — | cmd.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Registry Console Tool Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 856 | "expand" v32.cab -F:VersionDescriptor.xml C:\Users\admin\AppData\Local\Temp\over437399 | C:\Windows\SysWOW64\expand.exe | — | OInstall.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: LZ Expansion Utility Exit code: 0 Version: 5.00 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 904 | "powershell" -command "& { (New-Object Net.WebClient).DownloadFile('http://officecdn.microsoft.com/pr/492350f6-3a01-4f97-b9c0-c7c6ddf67d60/Office/Data/v32.cab', 'C:\Users\admin\AppData\Local\Temp\over780181\v32.cab') }" | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | OInstall.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Windows PowerShell Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 1036 | reg.exe add "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Office\ClickToRun\Configuration" /f /v "UpdateChannelChanged" /t REG_SZ /d True | C:\Windows\System32\reg.exe | — | cmd.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Registry Console Tool Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 1040 | "taskkill.exe" /t /f /IM OfficeC2RClient.exe | C:\Windows\SysWOW64\taskkill.exe | — | OInstall.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Terminates Processes Exit code: 128 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 1056 | reg.exe add "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Office\ClickToRun\Configuration" /f /v "UpdateUrl" /t REG_SZ /d http://officecdn.microsoft.com/pr/492350f6-3a01-4f97-b9c0-c7c6ddf67d60 | C:\Windows\System32\reg.exe | — | cmd.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Registry Console Tool Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 1096 | "C:\Users\admin\Desktop\OInstall.exe" | C:\Users\admin\Desktop\OInstall.exe | — | explorer.exe | |||||||||||
User: admin Integrity Level: MEDIUM Description: Office 2013-2021 C2R Install Exit code: 3221226540 Modules
| |||||||||||||||
| (PID) Process: | (3392) reg.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows Script Host\Settings |
| Operation: | write | Name: | Enabled |
Value: 1 | |||
| (PID) Process: | (7020) powershell.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Tracing\powershell_RASAPI32 |
| Operation: | write | Name: | EnableFileTracing |
Value: 0 | |||
| (PID) Process: | (7020) powershell.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Tracing\powershell_RASAPI32 |
| Operation: | write | Name: | EnableAutoFileTracing |
Value: 0 | |||
| (PID) Process: | (7020) powershell.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Tracing\powershell_RASAPI32 |
| Operation: | write | Name: | EnableConsoleTracing |
Value: 0 | |||
| (PID) Process: | (7020) powershell.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Tracing\powershell_RASAPI32 |
| Operation: | write | Name: | FileTracingMask |
Value: | |||
| (PID) Process: | (7020) powershell.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Tracing\powershell_RASAPI32 |
| Operation: | write | Name: | ConsoleTracingMask |
Value: | |||
| (PID) Process: | (7020) powershell.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Tracing\powershell_RASAPI32 |
| Operation: | write | Name: | MaxFileSize |
Value: 1048576 | |||
| (PID) Process: | (7020) powershell.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Tracing\powershell_RASAPI32 |
| Operation: | write | Name: | FileDirectory |
Value: %windir%\tracing | |||
| (PID) Process: | (7020) powershell.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Tracing\powershell_RASMANCS |
| Operation: | write | Name: | EnableFileTracing |
Value: 0 | |||
| (PID) Process: | (7020) powershell.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Tracing\powershell_RASMANCS |
| Operation: | write | Name: | EnableAutoFileTracing |
Value: 0 | |||
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 5764 | files.dat | C:\Users\admin\Desktop\files\x64\msvcr100.dll | executable | |
MD5:DF3CA8D16BDED6A54977B30E66864D33 | SHA256:1D1A1AE540BA132F998D60D3622F0297B6E86AE399332C3B47462D7C0F560A36 | |||
| 4120 | OInstall.exe | C:\Users\admin\Desktop\files\setup.exe | executable | |
MD5:C24281338461BCD09FC59E19B1C23948 | SHA256:8A9C0C12CB9DAD39872E74BAB421070E23D72EFFD0B06DBAE9EBE39F3D7FDA6D | |||
| 4120 | OInstall.exe | C:\Users\admin\Desktop\files\files.dat | executable | |
MD5:BB5569B15D68C10B7FF2D96B45825120 | SHA256:4E3B13B56BEC0E41778E6506430282BBBD75CCAA600FD4B645CE37DD95B44C8E | |||
| 5764 | files.dat | C:\Users\admin\Desktop\files\x64\cleanospp.exe | executable | |
MD5:D3467CB7B83B654C2D05407DC7BA2360 | SHA256:EDF85F4E2EF1A427B34265A22F261D664EC78DE90C3B5DA4174EF28558C8522A | |||
| 5764 | files.dat | C:\Users\admin\Desktop\files\Uninstall.xml | text | |
MD5:364F86F97324EA82FE0D142CD01CF6DD | SHA256:09D5B42140BAB13165BA97FBD0E77792304C3C93555BE02C3DCE21A7A69C66DD | |||
| 4120 | OInstall.exe | C:\Users\admin\Desktop\files\Configure.xml | text | |
MD5:AC6BE84084E31DBB0E08D188B6C86EC8 | SHA256:1879F7DE537C2AA70292C61EBEF9C6477D36E25B2E6A639E318B159E0A22B0FC | |||
| 7020 | powershell.exe | C:\Users\admin\AppData\Local\Temp\__PSScriptPolicyTest_1oo2i32n.iwt.ps1 | text | |
MD5:D17FE0A3F47BE24A6453E9EF58C94641 | SHA256:96AD1146EB96877EAB5942AE0736B82D8B5E2039A80D3D6932665C1A4C87DCF7 | |||
| 5764 | files.dat | C:\Users\admin\Desktop\files\x86\cleanospp.exe | executable | |
MD5:98821A7A5737D656633D10A3AFB724BD | SHA256:04BA4487F95290E0B0557B44300C18F637FBAF0872EE96E3111013B8A1539F25 | |||
| 5764 | files.dat | C:\Users\admin\Desktop\files\x86\msvcr100.dll | executable | |
MD5:BF38660A9125935658CFA3E53FDC7D65 | SHA256:60C06E0FA4449314DA3A0A87C1A9D9577DF99226F943637E06F61188E5862EFA | |||
| 7020 | powershell.exe | C:\Users\admin\AppData\Local\Temp\__PSScriptPolicyTest_pqs2ijt1.bjq.psm1 | text | |
MD5:D17FE0A3F47BE24A6453E9EF58C94641 | SHA256:96AD1146EB96877EAB5942AE0736B82D8B5E2039A80D3D6932665C1A4C87DCF7 | |||
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
5944 | MoUsoCoreWorker.exe | GET | 200 | 23.216.77.28:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | DE | binary | 825 b | whitelisted |
4944 | RUXIMICS.exe | GET | 200 | 23.216.77.28:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | DE | binary | 825 b | whitelisted |
5628 | powershell.exe | GET | 200 | 2.16.168.120:80 | http://officecdn.microsoft.com/pr/492350f6-3a01-4f97-b9c0-c7c6ddf67d60/Office/Data/v32.cab | RU | compressed | 12.1 Kb | whitelisted |
4944 | RUXIMICS.exe | GET | 200 | 95.101.149.131:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | NL | binary | 814 b | whitelisted |
4760 | powershell.exe | GET | 200 | 199.232.214.172:80 | http://officecdn.microsoft.com/pr/492350f6-3a01-4f97-b9c0-c7c6ddf67d60/Office/Data/16.0.19127.20192/i641033.cab | US | compressed | 10.7 Kb | whitelisted |
1268 | svchost.exe | GET | 200 | 23.216.77.28:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | DE | binary | 825 b | whitelisted |
6404 | powershell.exe | GET | 200 | 2.16.168.120:80 | http://officecdn.microsoft.com/pr/492350f6-3a01-4f97-b9c0-c7c6ddf67d60/Office/Data/16.0.19127.20192/i640.cab | RU | compressed | 30.7 Mb | whitelisted |
4552 | powershell.exe | GET | 200 | 2.16.168.120:80 | http://officecdn.microsoft.com/pr/492350f6-3a01-4f97-b9c0-c7c6ddf67d60/Office/Data/v32.cab | RU | compressed | 12.1 Kb | whitelisted |
5460 | powershell.exe | GET | 200 | 199.232.214.172:80 | http://officecdn.microsoft.com/pr/492350f6-3a01-4f97-b9c0-c7c6ddf67d60/Office/Data/v32.cab | US | compressed | 12.1 Kb | whitelisted |
1948 | powershell.exe | GET | 200 | 199.232.214.172:80 | http://officecdn.microsoft.com/pr/492350f6-3a01-4f97-b9c0-c7c6ddf67d60/Office/Data/16.0.19127.20192/i641033.cab | US | compressed | 10.7 Kb | whitelisted |
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
5944 | MoUsoCoreWorker.exe | 51.104.136.2:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
4 | System | 192.168.100.255:137 | — | — | — | whitelisted |
1268 | svchost.exe | 51.104.136.2:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
4944 | RUXIMICS.exe | 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 |
5944 | MoUsoCoreWorker.exe | 23.216.77.28:80 | crl.microsoft.com | Akamai International B.V. | DE | whitelisted |
4944 | RUXIMICS.exe | 23.216.77.28:80 | crl.microsoft.com | Akamai International B.V. | DE | whitelisted |
1268 | svchost.exe | 23.216.77.28:80 | crl.microsoft.com | Akamai International B.V. | DE | whitelisted |
5944 | MoUsoCoreWorker.exe | 95.101.149.131:80 | www.microsoft.com | Akamai International B.V. | NL | whitelisted |
1268 | svchost.exe | 95.101.149.131:80 | www.microsoft.com | Akamai International B.V. | NL | whitelisted |
Domain | IP | Reputation |
|---|---|---|
settings-win.data.microsoft.com |
| whitelisted |
google.com |
| whitelisted |
crl.microsoft.com |
| whitelisted |
www.microsoft.com |
| whitelisted |
officecdn.microsoft.com |
| whitelisted |
self.events.data.microsoft.com |
| whitelisted |
officeclient.microsoft.com |
| whitelisted |
ecs.office.com |
| whitelisted |
mobile.events.data.microsoft.com |
| whitelisted |
activation-v2.sls.microsoft.com |
| whitelisted |