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| File name: | Bot.exe |
| Full analysis: | https://app.any.run/tasks/1f77f9c2-88a5-4177-b93e-a9830f3881ba |
| 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 17, 2019, 13:19:13 |
| 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: | 9FA4838ABDBF3571344D5969EBA69899 |
| SHA1: | D687E50ABA11C56ACAFE803C48CA653AE6A3B631 |
| SHA256: | 22D6DE25E99894A737CEB3818A6BA79E78D4ACF9602EAFF7C80EAD685CD139D4 |
| SSDEEP: | 12288:W8shHAVBuQBBed37dG1lFlWcYT70pxnnaaoawVmg+4GSrZNrI0AilFEvxHvBMU97:P3s4MROxnFSprZlI0AilFEvxHi/y |
MALICIOUS
Application was dropped or rewritten from another process
- WindowsInput.exe (PID: 3832)
- WindowsInput.exe (PID: 3304)
Starts Visual C# compiler
- Bot.exe (PID: 4064)
Orcus was detected
- Bot.exe (PID: 4064)
- Speech.exe (PID: 2840)
- Speech.exe (PID: 2456)
Changes the autorun value in the registry
- Speech.exe (PID: 2840)
Loads the Task Scheduler COM API
- Speech.exe (PID: 2840)
SUSPICIOUS
Executable content was dropped or overwritten
- Bot.exe (PID: 4064)
Creates files in the Windows directory
- Bot.exe (PID: 4064)
- WindowsInput.exe (PID: 3832)
Executed as Windows Service
- WindowsInput.exe (PID: 3304)
Creates files in the program directory
- Bot.exe (PID: 4064)
Starts itself from another location
- Bot.exe (PID: 4064)
Executed via Task Scheduler
- Speech.exe (PID: 2456)
Reads Environment values
- Speech.exe (PID: 2840)
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: | 2019:07:16 18:22:47+02:00 |
| PEType: | PE32 |
| LinkerVersion: | 8 |
| CodeSize: | 928768 |
| InitializedDataSize: | 2560 |
| UninitializedDataSize: | - |
| EntryPoint: | 0xe4bae |
| 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: | 16-Jul-2019 16:22:47 |
| 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: | 16-Jul-2019 16:22:47 |
| 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 | 0x000E2BB4 | 0x000E2C00 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 7.16211 |
.rsrc | 0x000E6000 | 0x000006AC | 0x00000800 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 4.99353 |
.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 | 5.28751 | 831 | Latin 1 / Western European | UNKNOWN | RT_MANIFEST |
Imports
mscoree.dll |
Total processes
47
Monitored processes
8
Malicious processes
4
Suspicious processes
1
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process |
|---|---|---|---|---|
| 3496 | "C:\Users\admin\AppData\Local\Temp\Bot.exe" | C:\Users\admin\AppData\Local\Temp\Bot.exe | — | explorer.exe |
User: admin Integrity Level: MEDIUM Exit code: 3221226540 Version: 1.0.0.0 | ||||
| 4064 | "C:\Users\admin\AppData\Local\Temp\Bot.exe" | C:\Users\admin\AppData\Local\Temp\Bot.exe | explorer.exe | |
User: admin Integrity Level: HIGH Exit code: 0 Version: 1.0.0.0 | ||||
| 860 | "C:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe" /noconfig /fullpaths @"C:\Users\admin\AppData\Local\Temp\bhgklux0.cmdline" | C:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe | — | Bot.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) | ||||
| 2248 | C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\admin\AppData\Local\Temp\RESF2DD.tmp" "c:\Users\admin\AppData\Local\Temp\CSCF2DC.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) | ||||
| 3832 | "C:\Windows\system32\WindowsInput.exe" --install | C:\Windows\system32\WindowsInput.exe | — | Bot.exe |
User: admin Company: Microsoft Integrity Level: HIGH Description: Windows Input Exit code: 0 Version: 0.1.0 | ||||
| 3304 | "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 | ||||
| 2840 | "C:\Program Files\Microsoft\Speech.exe" | C:\Program Files\Microsoft\Speech.exe | Bot.exe | |
User: admin Integrity Level: HIGH Version: 1.0.0.0 | ||||
| 2456 | "C:\Program Files\Microsoft\Speech.exe" | C:\Program Files\Microsoft\Speech.exe | taskeng.exe | |
User: admin Integrity Level: HIGH Exit code: 0 Version: 1.0.0.0 | ||||
Total events
124
Read events
103
Write events
21
Delete events
0
Modification events
| (PID) Process: | (4064) Bot.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 0 | |||
| (PID) Process: | (4064) Bot.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | AutoDetect |
Value: 1 | |||
| (PID) Process: | (3832) WindowsInput.exe | Key: | HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\eventlog\Application |
| Operation: | write | Name: | AutoBackupLogFiles |
Value: 0 | |||
| (PID) Process: | (3832) 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 | |||
| (PID) Process: | (3832) WindowsInput.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 0 | |||
| (PID) Process: | (3832) WindowsInput.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | AutoDetect |
Value: 1 | |||
| (PID) Process: | (2840) Speech.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run |
| Operation: | write | Name: | Orcus |
Value: "C:\Program Files\Microsoft\Speech.exe" | |||
| (PID) Process: | (2840) Speech.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\70\52C64B7E |
| Operation: | write | Name: | LanguageList |
Value: en-US | |||
Executable files
2
Suspicious files
4
Text files
5
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 860 | csc.exe | C:\Users\admin\AppData\Local\Temp\CSCF2DC.tmp | — | |
MD5:— | SHA256:— | |||
| 860 | csc.exe | C:\Users\admin\AppData\Local\Temp\bhgklux0.dll | — | |
MD5:— | SHA256:— | |||
| 2248 | cvtres.exe | C:\Users\admin\AppData\Local\Temp\RESF2DD.tmp | — | |
MD5:— | SHA256:— | |||
| 860 | csc.exe | C:\Users\admin\AppData\Local\Temp\bhgklux0.out | — | |
MD5:— | SHA256:— | |||
| 2840 | Speech.exe | C:\Users\admin\AppData\Local\Temp\Cab31E9.tmp | — | |
MD5:— | SHA256:— | |||
| 2840 | Speech.exe | C:\Users\admin\AppData\Local\Temp\Tar31EA.tmp | — | |
MD5:— | SHA256:— | |||
| 2840 | Speech.exe | C:\Users\admin\AppData\Local\Temp\Cab320A.tmp | — | |
MD5:— | SHA256:— | |||
| 2840 | Speech.exe | C:\Users\admin\AppData\Local\Temp\Tar320B.tmp | — | |
MD5:— | SHA256:— | |||
| 2840 | Speech.exe | C:\Users\admin\AppData\Local\Temp\CabC8CE.tmp | — | |
MD5:— | SHA256:— | |||
| 2840 | Speech.exe | C:\Users\admin\AppData\Local\Temp\TarC8CF.tmp | — | |
MD5:— | SHA256:— | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
1
TCP/UDP connections
6
DNS requests
1
Threats
0
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
2840 | Speech.exe | GET | 200 | 93.184.221.240:80 | http://www.download.windowsupdate.com/msdownload/update/v3/static/trustedr/en/authrootstl.cab | US | compressed | 56.3 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 |
|---|---|---|---|---|---|---|
2840 | Speech.exe | 93.184.221.240:80 | www.download.windowsupdate.com | MCI Communications Services, Inc. d/b/a Verizon Business | US | whitelisted |
2840 | Speech.exe | 91.218.65.24:10134 | — | — | — | malicious |
— | — | 91.218.65.24:10134 | — | — | — | malicious |
DNS requests
Domain | IP | Reputation |
|---|---|---|
www.download.windowsupdate.com |
| whitelisted |
Threats
PID | Process | Class | Message |
|---|---|---|---|
2840 | Speech.exe | A Network Trojan was detected | MALWARE [PTsecurity] Observed Malicious SSL Certificate (Orcus RAT) |
2840 | Speech.exe | A Network Trojan was detected | MALWARE [PTsecurity] Observed Malicious SSL Certificate (Orcus RAT) |
1 ETPRO signatures available at the full report