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| File name: | 1234.exe |
| Full analysis: | https://app.any.run/tasks/2aa379c6-7bfa-4b81-a8a6-52e3e0af92f8 |
| 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 01, 2023, 10:18:19 |
| 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: | 0C86D90E27B215F73B4BFBF01DF55300 |
| SHA1: | 8A6C675E4AD0CF9E87B71CCA0FD33CE662F66493 |
| SHA256: | 35CAC46427A2BA75C114DEF3C77F0C7A39421C6CAF5C7639164F8778862B1DFE |
| SSDEEP: | 24576:i+5T4MROxnFm5bHKTlQYrZlI0AilFEvxHiz9:H50MiAYrZlI0AilFEvxHi |
MALICIOUS
Starts Visual C# compiler
- 1234.exe (PID: 2064)
- 1234.exe (PID: 1476)
Orcus is detected
- 1234.exe (PID: 2064)
- 1234.exe (PID: 1476)
ORCUS detected by memory dumps
- 1234.exe (PID: 1476)
SUSPICIOUS
Uses .NET C# to load dll
- 1234.exe (PID: 2064)
- 1234.exe (PID: 1476)
Reads the Internet Settings
- 1234.exe (PID: 2064)
- eventvwr.exe (PID: 2336)
- 1234.exe (PID: 1476)
Executable content was dropped or overwritten
- csc.exe (PID: 2908)
- csc.exe (PID: 2880)
INFO
Reads the machine GUID from the registry
- 1234.exe (PID: 2064)
- csc.exe (PID: 2908)
- cvtres.exe (PID: 3260)
- 1234.exe (PID: 1476)
- cvtres.exe (PID: 2952)
- csc.exe (PID: 2880)
Checks supported languages
- 1234.exe (PID: 2064)
- csc.exe (PID: 2908)
- cvtres.exe (PID: 3260)
- 1234.exe (PID: 1476)
- cvtres.exe (PID: 2952)
- csc.exe (PID: 2880)
Create files in a temporary directory
- 1234.exe (PID: 2064)
- cvtres.exe (PID: 3260)
- csc.exe (PID: 2908)
- cvtres.exe (PID: 2952)
- csc.exe (PID: 2880)
- 1234.exe (PID: 1476)
The process checks LSA protection
- csc.exe (PID: 2908)
- cvtres.exe (PID: 3260)
- 1234.exe (PID: 2064)
- 1234.exe (PID: 1476)
- eventvwr.exe (PID: 2336)
- csc.exe (PID: 2880)
- cvtres.exe (PID: 2952)
Reads the computer name
- 1234.exe (PID: 2064)
- 1234.exe (PID: 1476)
Reads Environment values
- 1234.exe (PID: 1476)
Creates files or folders in the user directory
- 1234.exe (PID: 1476)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
Orcus
(PID) Process(1476) 1234.exe
Options
WatchdogBuilderProperty
PreventFileDeletionfalse
WatchdogLocationAppData
NameOrcusWatchdog.exe
IsEnabledfalse
SetRunProgramAsAdminFlagBuilderProperty
SetFlagfalse
ServiceBuilderProperty
Installfalse
RespawnTaskBuilderProperty
TaskNameOrcus Respawner
IsEnabledfalse
RequireAdministratorPrivilegesInstallerBuilderProperty
RequireAdministratorPrivilegestrue
ReconnectDelayProperty
Delay10000
ProxyBuilderProperty
ProxyType2
ProxyPort1080
ProxyAddressnull
ProxyOptionNone
MutexBuilderProperty
Mutex82ccc5fb388f44aa869844f2adc5290d
KeyloggerBuilderProperty
IsEnabledfalse
InstallBuilderProperty
Installtrue
InstallationLocationBuilderProperty
Path%programfiles%\Orcus\Orcus.exe
HideFileBuilderProperty
HideFilefalse
FrameworkVersionBuilderProperty
FrameworkVersionNET35
DisableInstallationPromptBuilderProperty
IsDisabledfalse
DefaultPrivilegesBuilderProperty
RequireAdministratorRightsfalse
DataFolderBuilderProperty
Path%appdata%\Orcus
ClientTagBuilderProperty
ClientTagnull
ChangeIconBuilderProperty
IconPathnull
ChangeIconfalse
ChangeCreationDateBuilderProperty
NewCreationDate2023-04-01T13:17:42.4814158+03:00
IsEnabledfalse
ChangeAssemblyInformationBuilderProperty
AssemblyFileVersion1.0.0.0
AssemblyProductVersion1.0.0.0
AssemblyTrademarksnull
AssemblyCopyrightnull
AssemblyProductNamenull
AssemblyCompanyNamenull
AssemblyDescriptionnull
AssemblyTitlenull
ChangeAssemblyInformationfalse
AutostartBuilderProperty
TryAllAutostartMethodsOnFailtrue
RegistryKeyNameOrcus
RegistryHiddenStarttrue
TaskHighestPrivilegestrue
TaskSchedulerTaskNameOrcus
AutostartMethodDisable
Plugins
Guiddccbc1db-f7d1-413d-bba4-72611d485d3a
ResourceTypeClientPlugin
ResourceNamec50ffc6c9613411bb21099a690fc228d
PluginVersion2.0
PluginNameBSoD Protection
Guide6ee5674-bb94-46c7-8bbc-5729af6e2c28
ResourceTypeClientPlugin
ResourceName666535df0e3b41c8a78db9a86f920d79
PluginVersion1.0
PluginNameDisable Webcam Lights
Guid0a189c79-87ca-4d8d-bfb5-fac811f4048e
ResourceTypeClientPlugin
ResourceName0101e2157338472983d661dc1af22aee
PluginVersion1.5
PluginNameSilent Elevation
Keys
Salt
AES68a325664bceb9b16306f4c1aef06bb0c016f8e479dfd2fe6c22e1c24a980fe6
C2 (1)192.168.0.200:1604
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
| AssemblyVersion: | 1.0.0.0 |
|---|---|
| ProductVersion: | 1.0.0.0 |
| ProductName: | - |
| OriginalFileName: | Orcus.exe |
| LegalTrademarks: | - |
| LegalCopyright: | - |
| InternalName: | Orcus.exe |
| FileVersion: | 1.0.0.0 |
| FileDescription: | - |
| CompanyName: | - |
| Comments: | - |
| CharacterSet: | Unicode |
| LanguageCode: | Neutral |
| FileSubtype: | - |
| ObjectFileType: | Executable application |
| FileOS: | Win32 |
| FileFlags: | (none) |
| FileFlagsMask: | 0x003f |
| ProductVersionNumber: | 1.0.0.0 |
| FileVersionNumber: | 1.0.0.0 |
| Subsystem: | Windows GUI |
| SubsystemVersion: | 4 |
| ImageVersion: | - |
| OSVersion: | 4 |
| EntryPoint: | 0xe506e |
| UninitializedDataSize: | - |
| InitializedDataSize: | 4608 |
| CodeSize: | 930304 |
| LinkerVersion: | 8 |
| PEType: | PE32 |
| ImageFileCharacteristics: | Executable, 32-bit |
| TimeStamp: | 2023:04:01 10:18:07+00:00 |
| MachineType: | Intel 386 or later, and compatibles |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 01-Apr-2023 10:18:07 |
| Comments: | - |
| CompanyName: | - |
| FileDescription: | - |
| FileVersion: | 1.0.0.0 |
| InternalName: | Orcus.exe |
| LegalCopyright: | - |
| LegalTrademarks: | - |
| OriginalFilename: | Orcus.exe |
| ProductName: | - |
| ProductVersion: | 1.0.0.0 |
| Assembly Version: | 1.0.0.0 |
DOS Header
| Magic number: | MZ |
|---|---|
| Bytes on last page of file: | 0x0090 |
| Pages in file: | 0x0003 |
| Relocations: | 0x0000 |
| Size of header: | 0x0004 |
| Min extra paragraphs: | 0x0000 |
| Max extra paragraphs: | 0xFFFF |
| Initial SS value: | 0x0000 |
| Initial SP value: | 0x00B8 |
| Checksum: | 0x0000 |
| Initial IP value: | 0x0000 |
| Initial CS value: | 0x0000 |
| Overlay number: | 0x0000 |
| OEM identifier: | 0x0000 |
| OEM information: | 0x0000 |
| Address of NE header: | 0x00000080 |
PE Headers
| Signature: | PE |
|---|---|
| Machine: | IMAGE_FILE_MACHINE_I386 |
| Number of sections: | 3 |
| Time date stamp: | 01-Apr-2023 10:18:07 |
| Pointer to Symbol Table: | 0x00000000 |
| Number of symbols: | 0 |
| Size of Optional Header: | 0x00E0 |
| Characteristics: |
|
Sections
Name | Virtual Address | Virtual Size | Raw Size | Charateristics | Entropy |
|---|---|---|---|---|---|
.text | 0x00002000 | 0x000E3074 | 0x000E3200 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 7.15535 |
.rsrc | 0x000E6000 | 0x00001000 | 0x00001000 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 4.99406 |
.reloc | 0x000E8000 | 0x0000000C | 0x00000200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ | 0.10191 |
Resources
Title | Entropy | Size | Codepage | Language | Type |
|---|---|---|---|---|---|
1 | 4.99793 | 3128 | UNKNOWN | UNKNOWN | RT_MANIFEST |
Imports
mscoree.dll |
Total processes
48
Monitored processes
8
Malicious processes
3
Suspicious processes
2
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2064 | "C:\Users\admin\AppData\Local\Temp\1234.exe" | C:\Users\admin\AppData\Local\Temp\1234.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Version: 1.0.0.0 Modules
| |||||||||||||||
| 2908 | "C:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe" /noconfig /fullpaths @"C:\Users\admin\AppData\Local\Temp\bnrlxoli.cmdline" | C:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe | 1234.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
| |||||||||||||||
| 3260 | C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\admin\AppData\Local\Temp\RESFD6C.tmp" "c:\Users\admin\AppData\Local\Temp\CSCFD6B.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
| |||||||||||||||
| 3448 | "C:\Windows\System32\eventvwr.exe" | C:\Windows\System32\eventvwr.exe | — | 1234.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
| |||||||||||||||
| 2336 | "C:\Windows\System32\eventvwr.exe" | C:\Windows\System32\eventvwr.exe | 1234.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
| |||||||||||||||
| 1476 | "C:\Users\admin\AppData\Local\Temp\1234.exe" | C:\Users\admin\AppData\Local\Temp\1234.exe | eventvwr.exe | ||||||||||||
User: admin Integrity Level: HIGH Version: 1.0.0.0 Modules
Orcus(PID) Process(1476) 1234.exe Options WatchdogBuilderProperty PreventFileDeletionfalse WatchdogLocationAppData NameOrcusWatchdog.exe IsEnabledfalse SetRunProgramAsAdminFlagBuilderProperty SetFlagfalse ServiceBuilderProperty Installfalse RespawnTaskBuilderProperty TaskNameOrcus Respawner IsEnabledfalse RequireAdministratorPrivilegesInstallerBuilderProperty RequireAdministratorPrivilegestrue ReconnectDelayProperty Delay10000 ProxyBuilderProperty ProxyType2 ProxyPort1080 ProxyAddressnull ProxyOptionNone MutexBuilderProperty Mutex82ccc5fb388f44aa869844f2adc5290d KeyloggerBuilderProperty IsEnabledfalse InstallBuilderProperty Installtrue InstallationLocationBuilderProperty Path%programfiles%\Orcus\Orcus.exe HideFileBuilderProperty HideFilefalse FrameworkVersionBuilderProperty FrameworkVersionNET35 DisableInstallationPromptBuilderProperty IsDisabledfalse DefaultPrivilegesBuilderProperty RequireAdministratorRightsfalse DataFolderBuilderProperty Path%appdata%\Orcus ClientTagBuilderProperty ClientTagnull ChangeIconBuilderProperty IconPathnull ChangeIconfalse ChangeCreationDateBuilderProperty NewCreationDate2023-04-01T13:17:42.4814158+03:00 IsEnabledfalse ChangeAssemblyInformationBuilderProperty AssemblyFileVersion1.0.0.0 AssemblyProductVersion1.0.0.0 AssemblyTrademarksnull AssemblyCopyrightnull AssemblyProductNamenull AssemblyCompanyNamenull AssemblyDescriptionnull AssemblyTitlenull ChangeAssemblyInformationfalse AutostartBuilderProperty TryAllAutostartMethodsOnFailtrue RegistryKeyNameOrcus RegistryHiddenStarttrue TaskHighestPrivilegestrue TaskSchedulerTaskNameOrcus AutostartMethodDisable Plugins Guiddccbc1db-f7d1-413d-bba4-72611d485d3a ResourceTypeClientPlugin ResourceNamec50ffc6c9613411bb21099a690fc228d PluginVersion2.0 PluginNameBSoD Protection Guide6ee5674-bb94-46c7-8bbc-5729af6e2c28 ResourceTypeClientPlugin ResourceName666535df0e3b41c8a78db9a86f920d79 PluginVersion1.0 PluginNameDisable Webcam Lights Guid0a189c79-87ca-4d8d-bfb5-fac811f4048e ResourceTypeClientPlugin ResourceName0101e2157338472983d661dc1af22aee PluginVersion1.5 PluginNameSilent Elevation Keys Salt AES68a325664bceb9b16306f4c1aef06bb0c016f8e479dfd2fe6c22e1c24a980fe6 C2 (1)192.168.0.200:1604 | |||||||||||||||
| 2880 | "C:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe" /noconfig /fullpaths @"C:\Users\admin\AppData\Local\Temp\az3iunai.cmdline" | C:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe | 1234.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
| |||||||||||||||
| 2952 | C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\admin\AppData\Local\Temp\RES145.tmp" "c:\Users\admin\AppData\Local\Temp\CSC144.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
2 286
Read events
2 252
Write events
32
Delete events
2
Modification events
| (PID) Process: | (2064) 1234.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | ProxyBypass |
Value: 1 | |||
| (PID) Process: | (2064) 1234.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | IntranetName |
Value: 1 | |||
| (PID) Process: | (2064) 1234.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 1 | |||
| (PID) Process: | (2064) 1234.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | AutoDetect |
Value: 0 | |||
| (PID) Process: | (2336) eventvwr.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | ProxyBypass |
Value: 1 | |||
| (PID) Process: | (2336) eventvwr.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | IntranetName |
Value: 1 | |||
| (PID) Process: | (2336) eventvwr.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 1 | |||
| (PID) Process: | (2336) eventvwr.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | AutoDetect |
Value: 0 | |||
| (PID) Process: | (1476) 1234.exe | Key: | HKEY_CLASSES_ROOT\mscfile\shell\open\command |
| Operation: | delete key | Name: | (default) |
Value: | |||
Executable files
4
Suspicious files
0
Text files
14
Unknown types
8
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 2952 | cvtres.exe | C:\Users\admin\AppData\Local\Temp\RES145.tmp | o | |
MD5:647E694AC94E21937F387B9974D90CAC | SHA256:38B902241790CAD582B4AF94B06FD947F92FF12C87FBCAA8EA69B66C73593EE0 | |||
| 2880 | csc.exe | C:\Users\admin\AppData\Local\Temp\CSC144.tmp | res | |
MD5:C4142ACFFA3CC3E058BBA6C9710C8B76 | SHA256:4CDD87F27BD499FA27A96D2657CD6E6E11B1F27889593F5EC71378F53D5770BD | |||
| 2908 | csc.exe | C:\Users\admin\AppData\Local\Temp\bnrlxoli.dll | executable | |
MD5:0A4CD4AAC25B292F793CA3AD2271E3F5 | SHA256:EB376D5E3337FB79DDA4E3E9105511D2955295316C44898424A30CAB102CEA29 | |||
| 2908 | csc.exe | C:\Users\admin\AppData\Local\Temp\CSCFD6B.tmp | res | |
MD5:2C1B4ABCDE402B2861125DC8255595FA | SHA256:951DAF14B0379FDEC4F011B65BFBFD9A0A958E49AECDE33DC53851F2220B2BE4 | |||
| 3260 | cvtres.exe | C:\Users\admin\AppData\Local\Temp\RESFD6C.tmp | o | |
MD5:53365BD2F99BDFD014CA86B6A8E4226E | SHA256:6114DF528D6107AA7D313AA0018656A4782482AAACE3906ED6D2CB5F118A9F0B | |||
| 1476 | 1234.exe | C:\Users\admin\AppData\Local\Temp\az3iunai.0.cs | text | |
MD5:DDBEBAF132C57BA750236FDF98E1941C | SHA256:1D1AFD9EF8B48B07259D4AA42EB70948F72BB1B5407D4A4D39AE0E791EB81FA6 | |||
| 2064 | 1234.exe | C:\Users\admin\AppData\Local\Temp\bnrlxoli.cmdline | text | |
MD5:D67DE0A435F1EA5FBE18B2B5BB700497 | SHA256:936255D23E7152DF1E154905A4CBC0D72CAD4BC9978D95FFF73C9F796C764A6F | |||
| 1476 | 1234.exe | C:\Users\admin\AppData\Local\Temp\az3iunai.cmdline | text | |
MD5:89239AE5EBFC04722A2238938F4453EC | SHA256:271659F2CA399939AD7C2F5F878C3A1433F1A61337A150B1E1E39AC7712A6359 | |||
| 2064 | 1234.exe | C:\Users\admin\AppData\Local\Temp\bnrlxoli.0.cs | text | |
MD5:DDE7DBDBAE411499EE5A48C5260BF4C0 | SHA256:8457D9D64F9D5F28D88EF88E988E2B8E8A1DD95D27CCA2BB4E42BBAFEB1DE0D1 | |||
| 2880 | csc.exe | C:\Users\admin\AppData\Local\Temp\az3iunai.out | text | |
MD5:0194D660E45C4F84336047DC052B567A | SHA256:344A17DB915EF02B3D1B0DF3EEA2AB9553B569962178D1E1C38DE9B34914117F | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
0
DNS requests
1
Threats
0
HTTP requests
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
Connections
DNS requests
Domain | IP | Reputation |
|---|---|---|
dl.n1ckna.me |
| unknown |