| File name: | Orcus.exe |
| Full analysis: | https://app.any.run/tasks/6f9c5501-29e9-4afe-91a2-c5817602f592 |
| Verdict: | Malicious activity |
| Threats: | Orcus is a modular Remote Access Trojan with some unusual functions. This RAT enables attackers to create plugins using a custom development library and offers a robust core feature set that makes it one of the most dangerous malicious programs in its class. |
| Analysis date: | April 15, 2025, 18:27:24 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/vnd.microsoft.portable-executable |
| File info: | PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows, 3 sections |
| MD5: | 446FA325166F239C9ADC86AEB8D51FF8 |
| SHA1: | A2E5CE32DCE170C40AEE44A2D3AD6D86E30CBF07 |
| SHA256: | 0593237EC31371316E73C2137B79F3DEDDBF8765356114922992D95E57485C69 |
| SSDEEP: | 24576:D8WQ3d3P51k22nQE7Wj6wogps/+LLjhcdUUgigmVYdrZlI0AilFEvxHip:D8WKd3P51k22nQE7Wj6wogps/+L/h2gx |
| .exe | | | Generic CIL Executable (.NET, Mono, etc.) (56.7) |
|---|---|---|
| .exe | | | Win64 Executable (generic) (21.3) |
| .scr | | | Windows screen saver (10.1) |
| .dll | | | Win32 Dynamic Link Library (generic) (5) |
| .exe | | | Win32 Executable (generic) (3.4) |
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2019:10:08 22:51:19+00:00 |
| ImageFileCharacteristics: | Executable, 32-bit |
| PEType: | PE32 |
| LinkerVersion: | 8 |
| CodeSize: | 920064 |
| InitializedDataSize: | 4608 |
| UninitializedDataSize: | - |
| EntryPoint: | 0xe281e |
| OSVersion: | 4 |
| ImageVersion: | - |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 1.0.0.0 |
| ProductVersionNumber: | 1.0.0.0 |
| FileFlagsMask: | 0x003f |
| FileFlags: | (none) |
| FileOS: | Win32 |
| ObjectFileType: | Executable application |
| FileSubtype: | - |
| LanguageCode: | Neutral |
| CharacterSet: | Unicode |
| Comments: | - |
| CompanyName: | - |
| FileDescription: | - |
| FileVersion: | 1.0.0.0 |
| InternalName: | Orcus.exe |
| LegalCopyright: | - |
| LegalTrademarks: | - |
| OriginalFileName: | Orcus.exe |
| ProductName: | - |
| ProductVersion: | 1.0.0.0 |
| AssemblyVersion: | 1.0.0.0 |
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 128 | C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\admin\AppData\Local\Temp\RES34D7.tmp" "c:\Users\admin\AppData\Local\Temp\CSC34D6.tmp" | C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe | — | csc.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Microsoft® Resource File To COFF Object Conversion Utility Exit code: 0 Version: 8.00.50727.5003 (Win7SP1GDR.050727-5400) Modules
| |||||||||||||||
| 1080 | C:\Windows\system32\svchost.exe -k NetworkService | C:\Windows\System32\svchost.exe | services.exe | ||||||||||||
User: NETWORK SERVICE Company: Microsoft Corporation Integrity Level: SYSTEM Description: Host Process for Windows Services Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 1964 | "C:\Users\admin\Desktop\Orcus.exe" | C:\Users\admin\Desktop\Orcus.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Version: 1.0.0.0 Modules
| |||||||||||||||
| 2024 | C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\admin\AppData\Local\Temp\RES3EF9.tmp" "c:\Users\admin\AppData\Local\Temp\CSC3EF8.tmp" | C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe | — | csc.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Microsoft® Resource File To COFF Object Conversion Utility Exit code: 0 Version: 8.00.50727.5003 (Win7SP1GDR.050727-5400) Modules
| |||||||||||||||
| 2304 | "C:\Users\admin\Desktop\Orcus.exe" /wait | C:\Users\admin\Desktop\Orcus.exe | Orcus.exe | ||||||||||||
User: admin Integrity Level: HIGH Exit code: 0 Version: 1.0.0.0 Modules
| |||||||||||||||
| 2360 | "C:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe" /noconfig /fullpaths @"C:\Users\admin\AppData\Local\Temp\u18njhrd.cmdline" | C:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe | Orcus.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Visual C# Command Line Compiler Exit code: 0 Version: 8.0.50727.5483 (Win7SP1GDR.050727-5400) Modules
| |||||||||||||||
| 2916 | "C:\Program Files\Orcus\Orcus.exe" | C:\Program Files\Orcus\Orcus.exe | Orcus.exe | ||||||||||||
User: admin Integrity Level: HIGH Version: 1.0.0.0 Modules
Orcus(PID) Process(2916) Orcus.exe C2 (1)hostip00.duckdns.org:10134 Keys AESc01ba23f4a5c2ad5813126ee9c2985be07dd66eb0a866defcb4d4f363f3ccdb3 Salt Options AutostartBuilderProperty AutostartMethodRegistry TaskSchedulerTaskNameOrcus TaskHighestPrivilegestrue RegistryHiddenStarttrue RegistryKeyNameOrcus TryAllAutostartMethodsOnFailtrue ChangeAssemblyInformationBuilderProperty ChangeAssemblyInformationfalse AssemblyTitlenull AssemblyDescriptionnull AssemblyCompanyNamenull AssemblyProductNamenull AssemblyCopyrightnull AssemblyTrademarksnull AssemblyProductVersion1.0.0.0 AssemblyFileVersion1.0.0.0 ChangeCreationDateBuilderProperty IsEnabledfalse NewCreationDate2019-10-08T17:50:53 ChangeIconBuilderProperty ChangeIconfalse IconPathnull ClientTagBuilderProperty ClientTagnull DataFolderBuilderProperty Path%appdata%\Orcus DefaultPrivilegesBuilderProperty RequireAdministratorRightsfalse DisableInstallationPromptBuilderProperty IsDisabledtrue FrameworkVersionBuilderProperty FrameworkVersionNET35 HideFileBuilderProperty HideFiletrue InstallationLocationBuilderProperty Path%programfiles%\Orcus\Orcus.exe InstallBuilderProperty Installtrue KeyloggerBuilderProperty IsEnabledfalse MutexBuilderProperty Mutexb4bea4c9ff5349f6a9bbabcbee1f3f7c ProxyBuilderProperty ProxyOptionNone ProxyAddressnull ProxyPort1080 ProxyType2 ReconnectDelayProperty Delay10000 RequireAdministratorPrivilegesInstallerBuilderProperty RequireAdministratorPrivilegestrue RespawnTaskBuilderProperty IsEnabledfalse TaskNameOrcus Respawner ServiceBuilderProperty Installfalse SetRunProgramAsAdminFlagBuilderProperty SetFlagfalse WatchdogBuilderProperty IsEnabledfalse NameOrcusWatchdog.exe WatchdogLocationAppData PreventFileDeletionfalse Plugins (0) | |||||||||||||||
| 2944 | "C:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe" /noconfig /fullpaths @"C:\Users\admin\AppData\Local\Temp\meoqgm7c.cmdline" | C:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe | Orcus.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Visual C# Command Line Compiler Exit code: 0 Version: 8.0.50727.5483 (Win7SP1GDR.050727-5400) Modules
| |||||||||||||||
| (PID) Process: | (1964) Orcus.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | ProxyBypass |
Value: 1 | |||
| (PID) Process: | (1964) Orcus.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | IntranetName |
Value: 1 | |||
| (PID) Process: | (1964) Orcus.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 1 | |||
| (PID) Process: | (1964) Orcus.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | AutoDetect |
Value: 0 | |||
| (PID) Process: | (2304) Orcus.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | ProxyBypass |
Value: 1 | |||
| (PID) Process: | (2304) Orcus.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | IntranetName |
Value: 1 | |||
| (PID) Process: | (2304) Orcus.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 1 | |||
| (PID) Process: | (2304) Orcus.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | AutoDetect |
Value: 0 | |||
| (PID) Process: | (2916) Orcus.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run |
| Operation: | write | Name: | Orcus |
Value: "C:\Program Files\Orcus\Orcus.exe" | |||
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 2360 | csc.exe | C:\Users\admin\AppData\Local\Temp\u18njhrd.dll | executable | |
MD5:703404DF2F4095471802ADFAD8256755 | SHA256:50716CA2308D58CC72A25736C6E4362F69EA3B09D24BF4DA702C9B6488E8A6F7 | |||
| 1964 | Orcus.exe | C:\Users\admin\AppData\Local\Temp\u18njhrd.cmdline | text | |
MD5:9C61FA6E16A600AFE78E8CF5913500B5 | SHA256:5D2A17AE44576CFA52862C10BFF4E57BE7C3A25A3F9B7A34C08434CDFA1196F2 | |||
| 128 | cvtres.exe | C:\Users\admin\AppData\Local\Temp\RES34D7.tmp | binary | |
MD5:127C5D7EFF8C8AEB4BCDACD2CA2FF1A3 | SHA256:18A87F02D55A4C0056B5D3DED982E14520996E534940DB23ED4C617CCD0914A2 | |||
| 2360 | csc.exe | C:\Users\admin\AppData\Local\Temp\u18njhrd.out | text | |
MD5:39C86D7DCE6C7ACFD4F5F1DDE291EB6D | SHA256:F5D25B27A7866E5065EAE7192D9CF3758A40C8B3EA612CCA48F3774AB9A56750 | |||
| 2360 | csc.exe | C:\Users\admin\AppData\Local\Temp\CSC34D6.tmp | binary | |
MD5:199D7A2FEE75A3CD6D9F078369FA5127 | SHA256:65E38CCFCCA837B270BAAFAA266708C53F5017B66B7386CE4484AE0A823362B9 | |||
| 2304 | Orcus.exe | C:\Users\admin\AppData\Local\Temp\meoqgm7c.0.cs | text | |
MD5:6A95B8EB587A4BED5CCEB69ACE270787 | SHA256:7D5AF16CF59229DD3F5969A734A1E4CF8882EC4E11B761878F4DA4C95670E249 | |||
| 2024 | cvtres.exe | C:\Users\admin\AppData\Local\Temp\RES3EF9.tmp | binary | |
MD5:69E545184C0936782070BA123BB5F4B9 | SHA256:41C1DF50996335852C287C873301AC26C1CEC11F0F29243975A2BB1EEC34E30C | |||
| 2304 | Orcus.exe | C:\Users\admin\AppData\Local\Temp\meoqgm7c.cmdline | text | |
MD5:8CD5F4E584F2F272C3ED834CB12029AD | SHA256:C3FEC5EF957A097E851180C208AF535C696A141C569CAC4B7F6B51C6746A21B0 | |||
| 2944 | csc.exe | C:\Users\admin\AppData\Local\Temp\CSC3EF8.tmp | binary | |
MD5:A6F1F6465A8860B20DE67E859ED6EFC8 | SHA256:E677618700C065FBDD0D7E5B32E5F7D733AAE4F56992A92DA8BF7D696B59F175 | |||
| 1964 | Orcus.exe | C:\Users\admin\AppData\Local\Temp\u18njhrd.0.cs | text | |
MD5:E79D883FF188B2531112FE2D79EDC3ED | SHA256:2043335A4EF044954DE830909AB110C40D932D8438BD635E38951F81B7A7A8D3 | |||
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
4 | System | 192.168.100.255:137 | — | — | — | whitelisted |
— | — | 224.0.0.252:5355 | — | — | — | whitelisted |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
1080 | svchost.exe | 224.0.0.252:5355 | — | — | — | whitelisted |
2916 | Orcus.exe | 189.198.27.14:10134 | hostip00.duckdns.org | — | MX | unknown |
Domain | IP | Reputation |
|---|---|---|
google.com |
| whitelisted |
hostip00.duckdns.org |
| unknown |
dns.msftncsi.com |
| whitelisted |
PID | Process | Class | Message |
|---|---|---|---|
1080 | svchost.exe | Misc activity | ET DYN_DNS DYNAMIC_DNS Query to *.duckdns. Domain |
1080 | svchost.exe | Potentially Bad Traffic | ET DYN_DNS DYNAMIC_DNS Query to a *.duckdns .org Domain |
1080 | svchost.exe | Potentially Bad Traffic | ET DYN_DNS DYNAMIC_DNS Query to a *.duckdns .org Domain |
1080 | svchost.exe | Misc activity | ET DYN_DNS DYNAMIC_DNS Query to *.duckdns. Domain |