| File name: | 1.exe |
| Full analysis: | https://app.any.run/tasks/52ee6027-480e-4b1b-af44-4258fbfa60c6 |
| 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: | October 22, 2023, 14:04:38 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/x-dosexec |
| File info: | PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows |
| MD5: | C02308EF085B976898FA42B065254AA2 |
| SHA1: | 95E03E7644A56AF5FEFC12C32B2C86B2C20FE5AF |
| SHA256: | 6B4ADC3F05B6F7968D826B26B6A472AD3906A5B659EAE167BD3A922415C6133D |
| SSDEEP: | 24576:AeQ3d3P51k22nQE7Wj6wogps/+LLjhAddddGPQF5YXrZlI0AilFEvxHicf:AeKd3P51k22nQE7Wj6wogps/+L/hUF5c |
MALICIOUS
Orcus is detected
- 1.exe (PID: 2628)
- 1.exe (PID: 2212)
Starts Visual C# compiler
- 1.exe (PID: 2628)
- 1.exe (PID: 2212)
Drops the executable file immediately after the start
- csc.exe (PID: 3560)
- csc.exe (PID: 2460)
ORCUS has been detected (YARA)
- 1.exe (PID: 2212)
SUSPICIOUS
Uses .NET C# to load dll
- 1.exe (PID: 2628)
- 1.exe (PID: 2212)
Reads the Internet Settings
- 1.exe (PID: 2628)
- eventvwr.exe (PID: 2264)
- 1.exe (PID: 2212)
INFO
Create files in a temporary directory
- 1.exe (PID: 2628)
- cvtres.exe (PID: 1860)
- csc.exe (PID: 3560)
- 1.exe (PID: 2212)
- csc.exe (PID: 2460)
- cvtres.exe (PID: 3968)
Checks supported languages
- 1.exe (PID: 2628)
- csc.exe (PID: 3560)
- cvtres.exe (PID: 1860)
- 1.exe (PID: 2212)
- csc.exe (PID: 2460)
- cvtres.exe (PID: 3968)
Reads the machine GUID from the registry
- 1.exe (PID: 2628)
- csc.exe (PID: 3560)
- cvtres.exe (PID: 1860)
- 1.exe (PID: 2212)
- csc.exe (PID: 2460)
- cvtres.exe (PID: 3968)
Reads the computer name
- 1.exe (PID: 2628)
- 1.exe (PID: 2212)
Reads Environment values
- 1.exe (PID: 2212)
Creates files or folders in the user directory
- 1.exe (PID: 2212)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
Orcus
(PID) Process(2212) 1.exe
C2 (1)192.168.171.129:10134
Keys
AES8601972730630084fbef2856bd652994bdb43896794d4f1e4939f1e38f67f2ae
Salt
Options
AutostartBuilderProperty
AutostartMethodDisable
TaskSchedulerTaskNameOrcus
TaskHighestPrivilegestrue
RegistryHiddenStarttrue
RegistryKeyNameOrcus
TryAllAutostartMethodsOnFailtrue
ChangeAssemblyInformationBuilderProperty
ChangeAssemblyInformationfalse
AssemblyTitlenull
AssemblyDescriptionnull
AssemblyCompanyNamenull
AssemblyProductNamenull
AssemblyCopyrightnull
AssemblyTrademarksnull
AssemblyProductVersion1.0.0.0
AssemblyFileVersion1.0.0.0
ChangeCreationDateBuilderProperty
IsEnabledfalse
NewCreationDate2023-10-22T21:04:57.5154033+07:00
ChangeIconBuilderProperty
ChangeIconfalse
IconPathnull
ClientTagBuilderProperty
ClientTagnull
DataFolderBuilderProperty
Path%appdata%\Orcus
DefaultPrivilegesBuilderProperty
RequireAdministratorRightsfalse
DisableInstallationPromptBuilderProperty
IsDisabledfalse
FrameworkVersionBuilderProperty
FrameworkVersionNET35
HideFileBuilderProperty
HideFilefalse
InstallationLocationBuilderProperty
Path%programfiles%\Orcus\Orcus.exe
InstallBuilderProperty
Installtrue
KeyloggerBuilderProperty
IsEnabledfalse
MutexBuilderProperty
Mutex186d21ec80e143edb3384fa80d4ee7f8
ProxyBuilderProperty
ProxyOptionNone
ProxyAddressnull
ProxyPort1080
ProxyType2
ReconnectDelayProperty
Delay10000
RequireAdministratorPrivilegesInstallerBuilderProperty
RequireAdministratorPrivilegestrue
RespawnTaskBuilderProperty
IsEnabledfalse
TaskNameOrcus Respawner
ServiceBuilderProperty
Installfalse
SetRunProgramAsAdminFlagBuilderProperty
SetFlagfalse
WatchdogBuilderProperty
IsEnabledfalse
NameOrcusWatchdog.exe
WatchdogLocationAppData
PreventFileDeletionfalse
Plugins
PluginNameBSoD Protection
PluginVersion2.0
ResourceName06d297dd28034bf185c054365b1b5c69
ResourceTypeClientPlugin
Guiddccbc1db-f7d1-413d-bba4-72611d485d3a
PluginNameDisable Webcam Lights
PluginVersion1.0
ResourceNamed642017b128b419c8990e83dfdf1ddf4
ResourceTypeClientPlugin
Guide6ee5674-bb94-46c7-8bbc-5729af6e2c28
PluginNameSilent Elevation
PluginVersion1.5
ResourceName4a5052c298ac4ad2b41f8f16a1437acd
ResourceTypeClientPlugin
Guid0a189c79-87ca-4d8d-bfb5-fac811f4048e
TRiD
| .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) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2023:10:22 16:05:14+02:00 |
| ImageFileCharacteristics: | Executable, 32-bit |
| PEType: | PE32 |
| LinkerVersion: | 8 |
| CodeSize: | 930304 |
| InitializedDataSize: | 4608 |
| UninitializedDataSize: | - |
| EntryPoint: | 0xe506e |
| 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 |
Total processes
49
Monitored processes
8
Malicious processes
5
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1860 | C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\admin\AppData\Local\Temp\RESC88E.tmp" "c:\Users\admin\AppData\Local\Temp\CSCC87E.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
| |||||||||||||||
| 2212 | "C:\Users\admin\AppData\Local\Temp\1.exe" | C:\Users\admin\AppData\Local\Temp\1.exe | eventvwr.exe | ||||||||||||
User: admin Integrity Level: HIGH Exit code: 0 Version: 1.0.0.0 Modules
Orcus(PID) Process(2212) 1.exe C2 (1)192.168.171.129:10134 Keys AES8601972730630084fbef2856bd652994bdb43896794d4f1e4939f1e38f67f2ae Salt Options AutostartBuilderProperty AutostartMethodDisable TaskSchedulerTaskNameOrcus TaskHighestPrivilegestrue RegistryHiddenStarttrue RegistryKeyNameOrcus TryAllAutostartMethodsOnFailtrue ChangeAssemblyInformationBuilderProperty ChangeAssemblyInformationfalse AssemblyTitlenull AssemblyDescriptionnull AssemblyCompanyNamenull AssemblyProductNamenull AssemblyCopyrightnull AssemblyTrademarksnull AssemblyProductVersion1.0.0.0 AssemblyFileVersion1.0.0.0 ChangeCreationDateBuilderProperty IsEnabledfalse NewCreationDate2023-10-22T21:04:57.5154033+07:00 ChangeIconBuilderProperty ChangeIconfalse IconPathnull ClientTagBuilderProperty ClientTagnull DataFolderBuilderProperty Path%appdata%\Orcus DefaultPrivilegesBuilderProperty RequireAdministratorRightsfalse DisableInstallationPromptBuilderProperty IsDisabledfalse FrameworkVersionBuilderProperty FrameworkVersionNET35 HideFileBuilderProperty HideFilefalse InstallationLocationBuilderProperty Path%programfiles%\Orcus\Orcus.exe InstallBuilderProperty Installtrue KeyloggerBuilderProperty IsEnabledfalse MutexBuilderProperty Mutex186d21ec80e143edb3384fa80d4ee7f8 ProxyBuilderProperty ProxyOptionNone ProxyAddressnull ProxyPort1080 ProxyType2 ReconnectDelayProperty Delay10000 RequireAdministratorPrivilegesInstallerBuilderProperty RequireAdministratorPrivilegestrue RespawnTaskBuilderProperty IsEnabledfalse TaskNameOrcus Respawner ServiceBuilderProperty Installfalse SetRunProgramAsAdminFlagBuilderProperty SetFlagfalse WatchdogBuilderProperty IsEnabledfalse NameOrcusWatchdog.exe WatchdogLocationAppData PreventFileDeletionfalse Plugins PluginNameBSoD Protection PluginVersion2.0 ResourceName06d297dd28034bf185c054365b1b5c69 ResourceTypeClientPlugin Guiddccbc1db-f7d1-413d-bba4-72611d485d3a PluginNameDisable Webcam Lights PluginVersion1.0 ResourceNamed642017b128b419c8990e83dfdf1ddf4 ResourceTypeClientPlugin Guide6ee5674-bb94-46c7-8bbc-5729af6e2c28 PluginNameSilent Elevation PluginVersion1.5 ResourceName4a5052c298ac4ad2b41f8f16a1437acd ResourceTypeClientPlugin Guid0a189c79-87ca-4d8d-bfb5-fac811f4048e | |||||||||||||||
| 2216 | "C:\Windows\System32\eventvwr.exe" | C:\Windows\System32\eventvwr.exe | — | 1.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Event Viewer Snapin Launcher Exit code: 3221226540 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 2264 | "C:\Windows\System32\eventvwr.exe" | C:\Windows\System32\eventvwr.exe | 1.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Event Viewer Snapin Launcher Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 2460 | "C:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe" /noconfig /fullpaths @"C:\Users\admin\AppData\Local\Temp\xdxu6gw4.cmdline" | C:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe | — | 1.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
| |||||||||||||||
| 2628 | "C:\Users\admin\AppData\Local\Temp\1.exe" | C:\Users\admin\AppData\Local\Temp\1.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Version: 1.0.0.0 Modules
| |||||||||||||||
| 3560 | "C:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe" /noconfig /fullpaths @"C:\Users\admin\AppData\Local\Temp\km6st6y2.cmdline" | C:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe | — | 1.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
| |||||||||||||||
| 3968 | C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\admin\AppData\Local\Temp\RESCB5D.tmp" "c:\Users\admin\AppData\Local\Temp\CSCCB5C.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
| |||||||||||||||
Total events
1 143
Read events
1 126
Write events
16
Delete events
1
Modification events
| (PID) Process: | (2628) 1.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | ProxyBypass |
Value: 1 | |||
| (PID) Process: | (2628) 1.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | IntranetName |
Value: 1 | |||
| (PID) Process: | (2628) 1.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 1 | |||
| (PID) Process: | (2628) 1.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | AutoDetect |
Value: 0 | |||
| (PID) Process: | (2264) eventvwr.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | ProxyBypass |
Value: 1 | |||
| (PID) Process: | (2264) eventvwr.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | IntranetName |
Value: 1 | |||
| (PID) Process: | (2264) eventvwr.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 1 | |||
| (PID) Process: | (2264) eventvwr.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | AutoDetect |
Value: 0 | |||
| (PID) Process: | (2212) 1.exe | Key: | HKEY_CLASSES_ROOT\mscfile\shell\open\command |
| Operation: | delete key | Name: | (default) |
Value: | |||
Executable files
2
Suspicious files
4
Text files
7
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 2628 | 1.exe | C:\Users\admin\AppData\Local\Temp\km6st6y2.cmdline | text | |
MD5:DABA9F1F3BCA8A818CBFE487C70598F6 | SHA256:AFB25121DBC1524D0E94CADD35FB1A5AB2411F8F24DA4F4D63D4974D576553B8 | |||
| 3560 | csc.exe | C:\Users\admin\AppData\Local\Temp\CSCC87E.tmp | binary | |
MD5:F0804F2988A43D5C632A3704B99FFEBE | SHA256:4AC4D0A8CDE3B80C7D6862AF1532BD0DC8163809E7263A31A69BE7371A4B4B93 | |||
| 1860 | cvtres.exe | C:\Users\admin\AppData\Local\Temp\RESC88E.tmp | binary | |
MD5:6A5897B88BD32CD871DE8C57CEA525AC | SHA256:4C657C6EFEC49127FDB0F7937A677F5999A09A20465B97221B348E126A1460F9 | |||
| 3560 | csc.exe | C:\Users\admin\AppData\Local\Temp\km6st6y2.dll | executable | |
MD5:EE2D721788C3565141811F3A79C8E106 | SHA256:3E104C634EAE12D9E2A141F209D4C94E90FF5BA0B11E8BF38F64E2E08DFC91A4 | |||
| 2212 | 1.exe | C:\Users\admin\AppData\Local\Temp\xdxu6gw4.cmdline | text | |
MD5:913A1EAC9CC98EDB33CD82C5298F993F | SHA256:691C6BAF43FF3063A445C7CDF43218A7740100D31B186370C158A00E60E64E58 | |||
| 2628 | 1.exe | C:\Users\admin\AppData\Local\Temp\km6st6y2.0.cs | text | |
MD5:69B80BA422B0D205E21CD1F9AFB512F4 | SHA256:A284675C365CB2D685AA5CFEDC968B650FC34EA0CD1EA69F466E29B64B99E88B | |||
| 3560 | csc.exe | C:\Users\admin\AppData\Local\Temp\km6st6y2.out | text | |
MD5:1E344B58B0D2D113D56810E439482866 | SHA256:8C810FBB6036C606A576CFA50B93908C4563662F360C326F2C7263619930876C | |||
| 2212 | 1.exe | C:\Users\admin\AppData\Roaming\Orcus\err_186d21ec80e143edb3384fa80d4ee7f8.dat | text | |
MD5:B432CAE5DE31160A59A27DE012F1A145 | SHA256:7C571C6AAF3AA076C22CDE45AAA55F3C21F04379E0BAE21171CC70F625B9C432 | |||
| 2460 | csc.exe | C:\Users\admin\AppData\Local\Temp\xdxu6gw4.out | text | |
MD5:664AE327604866E716D34D2C0EF79F89 | SHA256:2B4F5B3D09F80997983CD4E71E11A9A707024DB847755989C2994947E94316F6 | |||
| 3968 | cvtres.exe | C:\Users\admin\AppData\Local\Temp\RESCB5D.tmp | binary | |
MD5:603A4C042FA7CFE94B7CEDD2324608DA | SHA256:0DB31F59661B0317E0171FA0139240629CA2B5F75A515BBDEA7F71FB1263664D | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
2
DNS requests
1
Threats
0
HTTP requests
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
Connections
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
4 | System | 192.168.100.255:137 | — | — | — | whitelisted |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
DNS requests
Domain | IP | Reputation |
|---|---|---|
dl.n1ckna.me |
| unknown |