| File name: | eh.exe |
| Full analysis: | https://app.any.run/tasks/3972295e-81e9-4831-82d5-4e5261063108 |
| 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: | June 12, 2019, 05:43:10 |
| 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: | 553C43E6B85818B551AA66B45820334E |
| SHA1: | F859529BFF7C84BEB36671F437BA0A34BA0F396C |
| SHA256: | AEE7A2566BF30C30F3CC765D1E9F001F21062BA3C6073FF570CF89AE7E379BDD |
| SSDEEP: | 12288:MGd4qIuUY0lW/+0d7dG1lFlWcYT70pxnnaaoawiRVcTqSA+9rZNrI0AilFEvxHvR:Qqd4MROxnFrLqrZlI0AilFEvxHi55e |
MALICIOUS
Orcus was detected
- eh.exe (PID: 3168)
- eh.exe (PID: 2336)
Loads the Task Scheduler COM API
- eh.exe (PID: 3168)
Starts Visual C# compiler
- eh.exe (PID: 3168)
- eh.exe (PID: 2336)
SUSPICIOUS
Executed via Task Scheduler
- eh.exe (PID: 2336)
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
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2019:06:12 07:43:02+02:00 |
| PEType: | PE32 |
| LinkerVersion: | 8 |
| CodeSize: | 920064 |
| InitializedDataSize: | 4608 |
| UninitializedDataSize: | - |
| EntryPoint: | 0xe297e |
| 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 |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 12-Jun-2019 05:43:02 |
| 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: | 12-Jun-2019 05:43:02 |
| 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 | 0x000E0984 | 0x000E0A00 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 7.14924 |
.rsrc | 0x000E4000 | 0x00001000 | 0x00001000 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 4.99491 |
.reloc | 0x000E6000 | 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
38
Monitored processes
6
Malicious processes
2
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1664 | "C:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe" /noconfig /fullpaths @"C:\Users\admin\AppData\Local\Temp\nbbfwpfx.cmdline" | C:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe | — | eh.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Visual C# Command Line Compiler Exit code: 0 Version: 8.0.50727.4927 (NetFXspW7.050727-4900) Modules
| |||||||||||||||
| 2336 | C:\Users\admin\AppData\Local\Temp\eh.exe | C:\Users\admin\AppData\Local\Temp\eh.exe | taskeng.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Version: 1.0.0.0 Modules
| |||||||||||||||
| 2752 | "C:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe" /noconfig /fullpaths @"C:\Users\admin\AppData\Local\Temp\htzotwra.cmdline" | C:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe | — | eh.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Visual C# Command Line Compiler Exit code: 0 Version: 8.0.50727.4927 (NetFXspW7.050727-4900) Modules
| |||||||||||||||
| 2844 | C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\admin\AppData\Local\Temp\RESF829.tmp" "c:\Users\admin\AppData\Local\Temp\CSCF828.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: 8.00.50727.4940 (Win7SP1.050727-5400) Modules
| |||||||||||||||
| 3156 | C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\admin\AppData\Local\Temp\RESFBF2.tmp" "c:\Users\admin\AppData\Local\Temp\CSCFBF1.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: 8.00.50727.4940 (Win7SP1.050727-5400) Modules
| |||||||||||||||
| 3168 | "C:\Users\admin\AppData\Local\Temp\eh.exe" | C:\Users\admin\AppData\Local\Temp\eh.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Version: 1.0.0.0 Modules
| |||||||||||||||
Total events
34
Read events
34
Write events
0
Delete events
0
Modification events
Executable files
0
Suspicious files
0
Text files
4
Unknown types
3
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 2844 | cvtres.exe | C:\Users\admin\AppData\Local\Temp\RESF829.tmp | — | |
MD5:— | SHA256:— | |||
| 1664 | csc.exe | C:\Users\admin\AppData\Local\Temp\nbbfwpfx.dll | — | |
MD5:— | SHA256:— | |||
| 1664 | csc.exe | C:\Users\admin\AppData\Local\Temp\nbbfwpfx.out | — | |
MD5:— | SHA256:— | |||
| 2752 | csc.exe | C:\Users\admin\AppData\Local\Temp\htzotwra.dll | — | |
MD5:— | SHA256:— | |||
| 2752 | csc.exe | C:\Users\admin\AppData\Local\Temp\htzotwra.out | — | |
MD5:— | SHA256:— | |||
| 3168 | eh.exe | C:\Users\admin\AppData\Local\Temp\nbbfwpfx.cmdline | text | |
MD5:— | SHA256:— | |||
| 3168 | eh.exe | C:\Users\admin\AppData\Local\Temp\nbbfwpfx.0.cs | text | |
MD5:— | SHA256:— | |||
| 1664 | csc.exe | C:\Users\admin\AppData\Local\Temp\CSCF828.tmp | res | |
MD5:— | SHA256:— | |||
| 2336 | eh.exe | C:\Users\admin\AppData\Local\Temp\htzotwra.cmdline | text | |
MD5:— | SHA256:— | |||
| 3156 | cvtres.exe | C:\Users\admin\AppData\Local\Temp\RESFBF2.tmp | o | |
MD5:— | SHA256:— | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
3
DNS requests
1
Threats
1
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 |
|---|---|---|---|---|---|---|
3168 | eh.exe | 199.195.250.222:9161 | thatsgay.duckdns.org | FranTech Solutions | US | malicious |
DNS requests
Domain | IP | Reputation |
|---|---|---|
thatsgay.duckdns.org |
| malicious |
Threats
PID | Process | Class | Message |
|---|---|---|---|
1056 | svchost.exe | Misc activity | ET INFO DYNAMIC_DNS Query to *.duckdns. Domain |