| File name: | b3368bbd2146f02b1203d743fa70a0cb890bb9fed80086cedcef28be6ba155c1 |
| Full analysis: | https://app.any.run/tasks/e440b0b3-cd38-4a4b-a834-e3ed4b1f83ba |
| 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: | December 14, 2024, 01:18:03 |
| OS: | Windows 10 Professional (build: 19045, 64 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/vnd.microsoft.portable-executable |
| File info: | PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows, 3 sections |
| MD5: | 6546EB6DF97390317BD8254ABC7BB5D4 |
| SHA1: | 4E2AE2993226821804AFEFBD65E4B350F4B0C841 |
| SHA256: | B3368BBD2146F02B1203D743FA70A0CB890BB9FED80086CEDCEF28BE6BA155C1 |
| SSDEEP: | 24576:WCJywQ5Smccc2vhN7/WjFB42Z+0doArkNxCB2cr1SHGAz+yUxeWczhgUYcIbt+r:WCJywQ5Smccc2vhR/WjFB42Z+koA4NxZ |
MALICIOUS
Orcus is detected
- b3368bbd2146f02b1203d743fa70a0cb890bb9fed80086cedcef28be6ba155c1.exe (PID: 4932)
- AudioDriver.exe (PID: 4980)
ORCUS has been detected (YARA)
- AudioDriver.exe (PID: 4980)
SUSPICIOUS
Write to the desktop.ini file (may be used to cloak folders)
- b3368bbd2146f02b1203d743fa70a0cb890bb9fed80086cedcef28be6ba155c1.exe (PID: 4932)
Reads security settings of Internet Explorer
- b3368bbd2146f02b1203d743fa70a0cb890bb9fed80086cedcef28be6ba155c1.exe (PID: 4932)
Executable content was dropped or overwritten
- b3368bbd2146f02b1203d743fa70a0cb890bb9fed80086cedcef28be6ba155c1.exe (PID: 4932)
Starts itself from another location
- b3368bbd2146f02b1203d743fa70a0cb890bb9fed80086cedcef28be6ba155c1.exe (PID: 4932)
There is functionality for taking screenshot (YARA)
- AudioDriver.exe (PID: 4980)
Connects to unusual port
- AudioDriver.exe (PID: 4980)
INFO
Creates files or folders in the user directory
- b3368bbd2146f02b1203d743fa70a0cb890bb9fed80086cedcef28be6ba155c1.exe (PID: 4932)
Reads the computer name
- b3368bbd2146f02b1203d743fa70a0cb890bb9fed80086cedcef28be6ba155c1.exe (PID: 4932)
- AudioDriver.exe (PID: 4980)
Checks supported languages
- b3368bbd2146f02b1203d743fa70a0cb890bb9fed80086cedcef28be6ba155c1.exe (PID: 4932)
- AudioDriver.exe (PID: 4980)
Reads the machine GUID from the registry
- b3368bbd2146f02b1203d743fa70a0cb890bb9fed80086cedcef28be6ba155c1.exe (PID: 4932)
- AudioDriver.exe (PID: 4980)
The process uses the downloaded file
- b3368bbd2146f02b1203d743fa70a0cb890bb9fed80086cedcef28be6ba155c1.exe (PID: 4932)
Process checks computer location settings
- b3368bbd2146f02b1203d743fa70a0cb890bb9fed80086cedcef28be6ba155c1.exe (PID: 4932)
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: | 0xd49be |
| UninitializedDataSize: | - |
| InitializedDataSize: | 2048 |
| CodeSize: | 862720 |
| LinkerVersion: | 8 |
| PEType: | PE32 |
| ImageFileCharacteristics: | Executable, 32-bit |
| TimeStamp: | 2024:12:13 10:55:31+00:00 |
| MachineType: | Intel 386 or later, and compatibles |
Total processes
123
Monitored processes
3
Malicious processes
2
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 5588 | "C:\Users\admin\Desktop\b3368bbd2146f02b1203d743fa70a0cb890bb9fed80086cedcef28be6ba155c1.exe" | C:\Users\admin\Desktop\b3368bbd2146f02b1203d743fa70a0cb890bb9fed80086cedcef28be6ba155c1.exe | — | explorer.exe | |||||||||||
User: admin Integrity Level: MEDIUM Exit code: 3221226540 Version: 1.0.0.0 Modules
| |||||||||||||||
| 4932 | "C:\Users\admin\Desktop\b3368bbd2146f02b1203d743fa70a0cb890bb9fed80086cedcef28be6ba155c1.exe" | C:\Users\admin\Desktop\b3368bbd2146f02b1203d743fa70a0cb890bb9fed80086cedcef28be6ba155c1.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: HIGH Exit code: 0 Version: 1.0.0.0 Modules
| |||||||||||||||
| 4980 | "C:\Users\admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe" | C:\Users\admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe | b3368bbd2146f02b1203d743fa70a0cb890bb9fed80086cedcef28be6ba155c1.exe | ||||||||||||
User: admin Integrity Level: HIGH Version: 1.0.0.0 Modules
| |||||||||||||||
Total events
943
Read events
942
Write events
1
Delete events
0
Modification events
| (PID) Process: | (4932) b3368bbd2146f02b1203d743fa70a0cb890bb9fed80086cedcef28be6ba155c1.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer |
| Operation: | write | Name: | SlowContextMenuEntries |
Value: 6024B221EA3A6910A2DC08002B30309D0A010000BD0E0C47735D584D9CEDE91E22E23282770100000114020000000000C0000000000000468D0000006078A409B011A54DAFA526D86198A780390100009AD298B2EDA6DE11BA8CA68E55D895936E000000 | |||
Executable files
1
Suspicious files
1
Text files
0
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 4932 | b3368bbd2146f02b1203d743fa70a0cb890bb9fed80086cedcef28be6ba155c1.exe | C:\Users\admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe | executable | |
MD5:6546EB6DF97390317BD8254ABC7BB5D4 | SHA256:B3368BBD2146F02B1203D743FA70A0CB890BB9FED80086CEDCEF28BE6BA155C1 | |||
| 4932 | b3368bbd2146f02b1203d743fa70a0cb890bb9fed80086cedcef28be6ba155c1.exe | C:\Windows\assembly\Desktop.ini | binary | |
MD5:F7F759A5CD40BC52172E83486B6DE404 | SHA256:A709C2551B8818D7849D31A65446DC2F8C4CCA2DCBBC5385604286F49CFDAF1C | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
6
TCP/UDP connections
22
DNS requests
6
Threats
0
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
5776 | svchost.exe | GET | 200 | 23.53.40.176:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
2124 | RUXIMICS.exe | GET | 200 | 23.53.40.176:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
4712 | MoUsoCoreWorker.exe | GET | 200 | 23.35.229.160:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
2124 | RUXIMICS.exe | GET | 200 | 23.35.229.160:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
4712 | MoUsoCoreWorker.exe | GET | 200 | 23.53.40.176:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
5776 | svchost.exe | GET | 200 | 23.35.229.160:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
Connections
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
5776 | svchost.exe | 40.127.240.158:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
— | — | 192.168.100.255:137 | — | — | — | whitelisted |
2124 | RUXIMICS.exe | 40.127.240.158:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
4712 | MoUsoCoreWorker.exe | 40.127.240.158:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
4980 | AudioDriver.exe | 172.27.79.37:10134 | — | — | — | unknown |
5776 | svchost.exe | 23.53.40.176:80 | crl.microsoft.com | Akamai International B.V. | DE | whitelisted |
2124 | RUXIMICS.exe | 23.53.40.176:80 | crl.microsoft.com | Akamai International B.V. | DE | whitelisted |
4712 | MoUsoCoreWorker.exe | 23.53.40.176:80 | crl.microsoft.com | Akamai International B.V. | DE | whitelisted |
5776 | svchost.exe | 23.35.229.160:80 | www.microsoft.com | AKAMAI-AS | DE | whitelisted |
DNS requests
Domain | IP | Reputation |
|---|---|---|
settings-win.data.microsoft.com |
| whitelisted |
google.com |
| whitelisted |
crl.microsoft.com |
| whitelisted |
www.microsoft.com |
| whitelisted |
self.events.data.microsoft.com |
| whitelisted |