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| File name: | 1.exe |
| Full analysis: | https://app.any.run/tasks/67f17b00-ae42-4303-b19a-2056dc75e341 |
| 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: | May 20, 2022, 20:07:08 |
| 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: | 928D4E0A208A3AA716F3A66DA22A2397 |
| SHA1: | 134F3F44BC93AC5D2E2B8CD1081E3DC4DF3BB6A7 |
| SHA256: | 91787D8C9967113C1D953086AFFEFB9D8F19274893A6F92820AD86E826EBF07C |
| SSDEEP: | 24576:Q6A4MROxnFt3V9MQvrZlI0AilFEvxHiQQ3:Q6jMijIorZlI0AilFEvxHiQ |
MALICIOUS
ORCUS was detected
- 1.exe (PID: 956)
- 1.exe (PID: 860)
- javaUpdate.exe (PID: 2024)
- javaUpdate.exe (PID: 2264)
- Watchdog.exe (PID: 1512)
Starts Visual C# compiler
- 1.exe (PID: 956)
- 1.exe (PID: 860)
Drops executable file immediately after starts
- csc.exe (PID: 3904)
- csc.exe (PID: 3276)
- 1.exe (PID: 860)
- javaUpdate.exe (PID: 2024)
Application was dropped or rewritten from another process
- WindowsInput.exe (PID: 1972)
- WindowsInput.exe (PID: 3816)
- Watchdog.exe (PID: 1512)
- Watchdog.exe (PID: 3456)
Loads the Task Scheduler COM API
- javaUpdate.exe (PID: 2024)
SUSPICIOUS
Checks supported languages
- 1.exe (PID: 956)
- csc.exe (PID: 3904)
- cvtres.exe (PID: 4036)
- 1.exe (PID: 860)
- csc.exe (PID: 3276)
- cvtres.exe (PID: 3580)
- WindowsInput.exe (PID: 1972)
- WindowsInput.exe (PID: 3816)
- javaUpdate.exe (PID: 2024)
- javaUpdate.exe (PID: 2264)
- Watchdog.exe (PID: 1512)
- Watchdog.exe (PID: 3456)
Executable content was dropped or overwritten
- csc.exe (PID: 3904)
- 1.exe (PID: 860)
- csc.exe (PID: 3276)
- javaUpdate.exe (PID: 2024)
Reads the computer name
- 1.exe (PID: 956)
- 1.exe (PID: 860)
- WindowsInput.exe (PID: 1972)
- WindowsInput.exe (PID: 3816)
- javaUpdate.exe (PID: 2024)
- javaUpdate.exe (PID: 2264)
- Watchdog.exe (PID: 1512)
- Watchdog.exe (PID: 3456)
Drops a file with a compile date too recent
- csc.exe (PID: 3904)
- csc.exe (PID: 3276)
- 1.exe (PID: 860)
- javaUpdate.exe (PID: 2024)
Application launched itself
- 1.exe (PID: 956)
- Watchdog.exe (PID: 1512)
Creates files in the Windows directory
- 1.exe (PID: 860)
- WindowsInput.exe (PID: 1972)
Executed as Windows Service
- WindowsInput.exe (PID: 3816)
Creates files in the user directory
- 1.exe (PID: 860)
- javaUpdate.exe (PID: 2024)
Starts itself from another location
- 1.exe (PID: 860)
Executed via Task Scheduler
- javaUpdate.exe (PID: 2264)
INFO
No info indicators.
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
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: | 0xe767e |
| UninitializedDataSize: | - |
| InitializedDataSize: | 4608 |
| CodeSize: | 940032 |
| LinkerVersion: | 8 |
| PEType: | PE32 |
| TimeStamp: | 2022:05:20 22:04:05+02:00 |
| MachineType: | Intel 386 or later, and compatibles |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 20-May-2022 20:04:05 |
| 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: | 20-May-2022 20:04:05 |
| 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 | 0x000E5684 | 0x000E5800 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 7.17152 |
.rsrc | 0x000E8000 | 0x00001000 | 0x00001000 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 4.99502 |
.reloc | 0x000EA000 | 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
50
Monitored processes
12
Malicious processes
8
Suspicious processes
2
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process |
|---|---|---|---|---|
| 956 | "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 | ||||
| 3904 | "C:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe" /noconfig /fullpaths @"C:\Users\admin\AppData\Local\Temp\h3pfp17_.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) | ||||
| 4036 | C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\admin\AppData\Local\Temp\RES9708.tmp" "c:\Users\admin\AppData\Local\Temp\CSC9707.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) | ||||
| 860 | "C:\Users\admin\AppData\Local\Temp\1.exe" /wait | C:\Users\admin\AppData\Local\Temp\1.exe | 1.exe | |
User: admin Integrity Level: HIGH Exit code: 0 Version: 1.0.0.0 | ||||
| 3276 | "C:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe" /noconfig /fullpaths @"C:\Users\admin\AppData\Local\Temp\3ipkvdtp.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) | ||||
| 3580 | C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\admin\AppData\Local\Temp\RES9F93.tmp" "c:\Users\admin\AppData\Local\Temp\CSC9F92.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) | ||||
| 1972 | "C:\Windows\system32\WindowsInput.exe" --install | C:\Windows\system32\WindowsInput.exe | — | 1.exe |
User: admin Company: Microsoft Integrity Level: HIGH Description: Windows Input Exit code: 0 Version: 0.1.0 | ||||
| 3816 | "C:\Windows\system32\WindowsInput.exe" | C:\Windows\system32\WindowsInput.exe | — | services.exe |
User: SYSTEM Company: Microsoft Integrity Level: SYSTEM Description: Windows Input Version: 0.1.0 | ||||
| 2024 | "C:\Users\admin\AppData\Roaming\Java\javaUpdate.exe" | C:\Users\admin\AppData\Roaming\Java\javaUpdate.exe | 1.exe | |
User: admin Integrity Level: HIGH Version: 1.0.0.0 | ||||
| 2264 | C:\Users\admin\AppData\Roaming\Java\javaUpdate.exe | C:\Users\admin\AppData\Roaming\Java\javaUpdate.exe | taskeng.exe | |
User: admin Integrity Level: HIGH Exit code: 0 Version: 1.0.0.0 | ||||
Total events
4 012
Read events
3 970
Write events
42
Delete events
0
Modification events
| (PID) Process: | (956) 1.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | ProxyBypass |
Value: 1 | |||
| (PID) Process: | (956) 1.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | IntranetName |
Value: 1 | |||
| (PID) Process: | (956) 1.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 1 | |||
| (PID) Process: | (956) 1.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | AutoDetect |
Value: 0 | |||
| (PID) Process: | (860) 1.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | ProxyBypass |
Value: 1 | |||
| (PID) Process: | (860) 1.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | IntranetName |
Value: 1 | |||
| (PID) Process: | (860) 1.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 1 | |||
| (PID) Process: | (860) 1.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | AutoDetect |
Value: 0 | |||
| (PID) Process: | (1972) WindowsInput.exe | Key: | HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\eventlog\Application |
| Operation: | write | Name: | AutoBackupLogFiles |
Value: 0 | |||
| (PID) Process: | (1972) WindowsInput.exe | Key: | HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\eventlog\Application\WindowsInput |
| Operation: | write | Name: | EventMessageFile |
Value: C:\Windows\Microsoft.NET\Framework\v4.0.30319\EventLogMessages.dll | |||
Executable files
5
Suspicious files
0
Text files
10
Unknown types
4
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 860 | 1.exe | C:\Users\admin\AppData\Local\Temp\3ipkvdtp.0.cs | text | |
MD5:3B8D46A4B3AD65B7A127217DADF5AF4D | SHA256:CA20AC816602E50F3B55F37384F782B40F69B9D63A4F6A80A52C8314642BAA24 | |||
| 3276 | csc.exe | C:\Users\admin\AppData\Local\Temp\CSC9F92.tmp | res | |
MD5:B77863135E3A2A63798ACBDC4282B046 | SHA256:685735FF250138799B91313A75B85F8EA4FB6FCE8E3E489E6A33D08FBD39DCC8 | |||
| 3904 | csc.exe | C:\Users\admin\AppData\Local\Temp\CSC9707.tmp | res | |
MD5:84CCA56C67B30FD2FE0C8C8EC14C72BE | SHA256:9F85B9AE9C0587C9086F39C7DCBF783CC299210D58251120539DFC64B2CBA93F | |||
| 956 | 1.exe | C:\Users\admin\AppData\Local\Temp\h3pfp17_.0.cs | text | |
MD5:C09BE1B73449BBDCA6CE5624738478E4 | SHA256:22AB515EA3D1A3EAE006FEA3B437B526A6BC06087AE26BA87DADB0634F2C70EB | |||
| 956 | 1.exe | C:\Users\admin\AppData\Local\Temp\h3pfp17_.cmdline | text | |
MD5:9250ADF2F485D9126F0D74CBED0CE87F | SHA256:2C155A57B7DCA8BB2F40F8CAB98F1CF861AAE732132526F8489DAA0C050ED1CC | |||
| 860 | 1.exe | C:\Users\admin\AppData\Local\Temp\3ipkvdtp.cmdline | text | |
MD5:FA900B52DB81AEE426C3BB18A6426346 | SHA256:0106B3C8C0565B300A948C45F1A829A4F3C60A1DB4D382DA8FEA5D13D0F0247F | |||
| 4036 | cvtres.exe | C:\Users\admin\AppData\Local\Temp\RES9708.tmp | o | |
MD5:235D00F05711B1A53F7F41167772C702 | SHA256:7B19022ACFB4C4E6AD3DBD9CC1A29306C33B879A327E66D7C05E32D9EF45DE5B | |||
| 3904 | csc.exe | C:\Users\admin\AppData\Local\Temp\h3pfp17_.out | text | |
MD5:6FE2C36088D5B795D1E714BAF6E8174A | SHA256:1E020EEC9F19BBA7EE0EF945D29CDA67E65DA54C4F2747F425CE6ACE07FC64D4 | |||
| 3904 | csc.exe | C:\Users\admin\AppData\Local\Temp\h3pfp17_.dll | executable | |
MD5:4BC2C3FE1421A304EE8919756B3B6573 | SHA256:3097C69CB308D8139D7D78A55936000B946DEBD5BB391765BAA84638800933B3 | |||
| 3580 | cvtres.exe | C:\Users\admin\AppData\Local\Temp\RES9F93.tmp | o | |
MD5:839538A5E9E8FE1CCC02CBFCC306C143 | SHA256:6BD3B80141F56A9988255C612695FBA18850FDB9D7FBDC7605A2B66E887B35F8 | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
5
DNS requests
0
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 |
|---|---|---|---|---|---|---|
— | — | 192.168.100.177:55399 | — | — | — | malicious |
— | — | 192.168.100.177:55732 | — | — | — | malicious |
— | — | 192.168.100.177:55041 | — | — | — | malicious |
— | — | 192.168.100.177:55565 | — | — | — | malicious |
— | — | 192.168.100.177:55225 | — | — | — | malicious |