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| File name: | f.exe |
| Full analysis: | https://app.any.run/tasks/463bffdf-871e-437a-a449-cdef8a20d69f |
| 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: | July 12, 2020, 09:47:18 |
| 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: | 22B8A2082FD51C341ED3271A7D3B0320 |
| SHA1: | 0EA97153D22F6BB24A8DF1E2419454BEAA1F53C8 |
| SHA256: | 5BE116B88B22A0C6F2120FEEB98CACD816CC2268BAE4CF025157CB7B924F7713 |
| SSDEEP: | 12288:kipkuIqoE8Byn6497dG1lFlWcYT70pxnnaaoawGRVcTqSA+9rZNrI0AilFEvxHvD:4mV4MROxnFPLqrZlI0AilFEvxHiSyo |
MALICIOUS
ORCUS was detected
- f.exe (PID: 2476)
- f.exe (PID: 676)
- Orcus.exe (PID: 1732)
- Orcus.exe (PID: 2724)
Starts Visual C# compiler
- f.exe (PID: 2476)
- f.exe (PID: 676)
Loads the Task Scheduler COM API
- Orcus.exe (PID: 1732)
Loads dropped or rewritten executable
- Orcus.exe (PID: 1732)
Changes settings of System certificates
- Orcus.exe (PID: 1732)
SUSPICIOUS
Application launched itself
- f.exe (PID: 676)
Executable content was dropped or overwritten
- f.exe (PID: 2476)
- Orcus.exe (PID: 1732)
Creates files in the program directory
- f.exe (PID: 2476)
Executed via Task Scheduler
- Orcus.exe (PID: 2724)
Starts itself from another location
- f.exe (PID: 2476)
Reads Environment values
- Orcus.exe (PID: 1732)
Creates files in the user directory
- Orcus.exe (PID: 1732)
Searches for installed software
- Orcus.exe (PID: 1732)
Adds / modifies Windows certificates
- Orcus.exe (PID: 1732)
INFO
Reads settings of System Certificates
- Orcus.exe (PID: 1732)
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: | 2020:07:12 11:44:29+02:00 |
| PEType: | PE32 |
| LinkerVersion: | 8 |
| CodeSize: | 921088 |
| InitializedDataSize: | 5120 |
| UninitializedDataSize: | - |
| EntryPoint: | 0xe2d7e |
| OSVersion: | 4 |
| ImageVersion: | - |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 1.9.1.0 |
| ProductVersionNumber: | 1.9.1.0 |
| FileFlagsMask: | 0x003f |
| FileFlags: | (none) |
| FileOS: | Win32 |
| ObjectFileType: | Executable application |
| FileSubtype: | - |
| LanguageCode: | Neutral |
| CharacterSet: | Unicode |
| Comments: | - |
| CompanyName: | Orcus Technologies |
| FileDescription: | Orcus Server |
| FileVersion: | 1.9.1.0 |
| InternalName: | Orcus.Server.exe |
| LegalCopyright: | Copyright © Orcus Technologies 2016-2017 |
| LegalTrademarks: | - |
| OriginalFileName: | Orcus.exe |
| ProductName: | Orcus.Server |
| ProductVersion: | 1.9.1.0 |
| AssemblyVersion: | 1.0.0.0 |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 12-Jul-2020 09:44:29 |
| Comments: | - |
| CompanyName: | Orcus Technologies |
| FileDescription: | Orcus Server |
| FileVersion: | 1.9.1.0 |
| InternalName: | Orcus.Server.exe |
| LegalCopyright: | Copyright © Orcus Technologies 2016-2017 |
| LegalTrademarks: | - |
| OriginalFilename: | Orcus.exe |
| ProductName: | Orcus.Server |
| ProductVersion: | 1.9.1.0 |
| 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-Jul-2020 09:44:29 |
| 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 | 0x000E0D84 | 0x000E0E00 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 7.14721 |
.rsrc | 0x000E4000 | 0x00001058 | 0x00001200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 5.22159 |
.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 | Latin 1 / Western European | UNKNOWN | RT_MANIFEST |
Imports
mscoree.dll |
Total processes
47
Monitored processes
8
Malicious processes
4
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process |
|---|---|---|---|---|
| 676 | "C:\Users\admin\AppData\Local\Temp\f.exe" | C:\Users\admin\AppData\Local\Temp\f.exe | explorer.exe | |
User: admin Company: Orcus Technologies Integrity Level: MEDIUM Description: Orcus Server Exit code: 0 Version: 1.9.1.0 | ||||
| 3704 | "C:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe" /noconfig /fullpaths @"C:\Users\admin\AppData\Local\Temp\i_kqoywb.cmdline" | C:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe | — | f.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) | ||||
| 2512 | C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\admin\AppData\Local\Temp\RES6A0C.tmp" "c:\Users\admin\AppData\Local\Temp\CSC69FB.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) | ||||
| 2476 | "C:\Users\admin\AppData\Local\Temp\f.exe" /wait | C:\Users\admin\AppData\Local\Temp\f.exe | f.exe | |
User: admin Company: Orcus Technologies Integrity Level: HIGH Description: Orcus Server Exit code: 0 Version: 1.9.1.0 | ||||
| 4020 | "C:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe" /noconfig /fullpaths @"C:\Users\admin\AppData\Local\Temp\cx0szjwp.cmdline" | C:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe | — | f.exe |
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Visual C# Command Line Compiler Exit code: 0 Version: 8.0.50727.4927 (NetFXspW7.050727-4900) | ||||
| 960 | C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\admin\AppData\Local\Temp\RES73EF.tmp" "c:\Users\admin\AppData\Local\Temp\CSC73EE.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: 8.00.50727.4940 (Win7SP1.050727-5400) | ||||
| 1732 | "C:\Program Files\Orcus\Orcus.exe" | C:\Program Files\Orcus\Orcus.exe | f.exe | |
User: admin Company: Orcus Technologies Integrity Level: HIGH Description: Orcus Server Version: 1.9.1.0 | ||||
| 2724 | "C:\Program Files\Orcus\Orcus.exe" | C:\Program Files\Orcus\Orcus.exe | taskeng.exe | |
User: admin Company: Orcus Technologies Integrity Level: HIGH Description: Orcus Server Exit code: 0 Version: 1.9.1.0 | ||||
Total events
3 242
Read events
2 041
Write events
0
Delete events
0
Modification events
Executable files
13
Suspicious files
4
Text files
3
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 3704 | csc.exe | C:\Users\admin\AppData\Local\Temp\CSC69FB.tmp | — | |
MD5:— | SHA256:— | |||
| 2512 | cvtres.exe | C:\Users\admin\AppData\Local\Temp\RES6A0C.tmp | — | |
MD5:— | SHA256:— | |||
| 3704 | csc.exe | C:\Users\admin\AppData\Local\Temp\i_kqoywb.dll | — | |
MD5:— | SHA256:— | |||
| 3704 | csc.exe | C:\Users\admin\AppData\Local\Temp\i_kqoywb.out | — | |
MD5:— | SHA256:— | |||
| 2476 | f.exe | C:\Users\admin\AppData\Local\Temp\cx0szjwp.0.cs | — | |
MD5:— | SHA256:— | |||
| 2476 | f.exe | C:\Users\admin\AppData\Local\Temp\cx0szjwp.cmdline | — | |
MD5:— | SHA256:— | |||
| 4020 | csc.exe | C:\Users\admin\AppData\Local\Temp\CSC73EE.tmp | — | |
MD5:— | SHA256:— | |||
| 960 | cvtres.exe | C:\Users\admin\AppData\Local\Temp\RES73EF.tmp | — | |
MD5:— | SHA256:— | |||
| 4020 | csc.exe | C:\Users\admin\AppData\Local\Temp\cx0szjwp.dll | — | |
MD5:— | SHA256:— | |||
| 4020 | csc.exe | C:\Users\admin\AppData\Local\Temp\cx0szjwp.out | — | |
MD5:— | SHA256:— | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
2
TCP/UDP connections
3
DNS requests
2
Threats
0
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
1732 | Orcus.exe | GET | 200 | 2.17.46.176:80 | http://www.download.windowsupdate.com/msdownload/update/v3/static/trustedr/en/authrootstl.cab | unknown | compressed | 57.0 Kb | whitelisted |
1732 | Orcus.exe | GET | 304 | 2.17.46.176:80 | http://www.download.windowsupdate.com/msdownload/update/v3/static/trustedr/en/authrootstl.cab | unknown | compressed | 57.0 Kb | whitelisted |
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
Connections
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
— | — | 2.17.46.176:80 | www.download.windowsupdate.com | Akamai Technologies, Inc. | — | malicious |
1732 | Orcus.exe | 213.152.161.20:15045 | coolthingy.duckdns.org | Global Layer B.V. | NL | malicious |
1732 | Orcus.exe | 10.29.22.128:15045 | — | — | — | unknown |
DNS requests
Domain | IP | Reputation |
|---|---|---|
coolthingy.duckdns.org |
| malicious |
www.download.windowsupdate.com |
| whitelisted |
Threats
PID | Process | Class | Message |
|---|---|---|---|
— | — | Misc activity | ET INFO DYNAMIC_DNS Query to *.duckdns. Domain |
1732 | Orcus.exe | A Network Trojan was detected | MALWARE [PTsecurity] Malicious SSL connection (Orcus RAT) |
1 ETPRO signatures available at the full report