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| File name: | OctoSniff.exe |
| Full analysis: | https://app.any.run/tasks/da76492b-db15-48c4-94a7-4f35a11547a8 |
| 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: | October 19, 2020, 20:11:46 |
| 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: | 58582BDB7315C078358E51208518B584 |
| SHA1: | 5BBDEE5FE5EFFC76C4AE631F4BAEB4AED260EE57 |
| SHA256: | 0E1D58F225BA0532CA149F13EBAF9D99702E66B2C78B939454F2C4C3158F42C2 |
| SSDEEP: | 24576:Qd74MROxnFl36zJrrcI0AilFEvxHPNloo6A:QaMir+rrcI0AilFEvxHP |
MALICIOUS
ORCUS was detected
- OctoSniff.exe (PID: 3092)
- OctoSniff.exe (PID: 2560)
- Orcus.exe (PID: 3260)
- OctoSniff.exe (PID: 2456)
Changes the autorun value in the registry
- Orcus.exe (PID: 3260)
Application was dropped or rewritten from another process
- OctoSniff.exe (PID: 1592)
- OctoSniff.exe (PID: 2456)
Changes settings of System certificates
- Orcus.exe (PID: 3260)
SUSPICIOUS
Application launched itself
- OctoSniff.exe (PID: 2560)
- OctoSniff.exe (PID: 2456)
Creates files in the program directory
- OctoSniff.exe (PID: 3092)
Executable content was dropped or overwritten
- OctoSniff.exe (PID: 3092)
- Orcus.exe (PID: 3260)
Creates files in the user directory
- Orcus.exe (PID: 3260)
Starts itself from another location
- OctoSniff.exe (PID: 3092)
INFO
Reads settings of System Certificates
- Orcus.exe (PID: 3260)
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: | 2020:10:18 01:54:22+02:00 |
| PEType: | PE32 |
| LinkerVersion: | 8 |
| CodeSize: | 928768 |
| InitializedDataSize: | 15360 |
| UninitializedDataSize: | - |
| EntryPoint: | 0xe4b9e |
| OSVersion: | 4 |
| ImageVersion: | - |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 1.0.0.0 |
| ProductVersionNumber: | 1.1.10.0 |
| FileFlagsMask: | 0x003f |
| FileFlags: | (none) |
| FileOS: | Win32 |
| ObjectFileType: | Executable application |
| FileSubtype: | - |
| LanguageCode: | Neutral |
| CharacterSet: | Unicode |
| Comments: | - |
| CompanyName: | OctoSniff |
| FileDescription: | OctoSniff |
| FileVersion: | 1.0.0.0 |
| InternalName: | OctoSniff |
| LegalCopyright: | OctoSniff@2020 |
| LegalTrademarks: | OctoSniff |
| OriginalFileName: | Orcus.exe |
| ProductName: | OctoSniff |
| ProductVersion: | 1.1.10.0 |
| AssemblyVersion: | 1.0.0.0 |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 17-Oct-2020 23:54:22 |
| Comments: | - |
| CompanyName: | OctoSniff |
| FileDescription: | OctoSniff |
| FileVersion: | 1.0.0.0 |
| InternalName: | OctoSniff |
| LegalCopyright: | OctoSniff@2020 |
| LegalTrademarks: | OctoSniff |
| OriginalFilename: | Orcus.exe |
| ProductName: | OctoSniff |
| ProductVersion: | 1.1.10.0 |
| 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: | 17-Oct-2020 23:54:22 |
| 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 | 0x000E2BA4 | 0x000E2C00 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 7.15759 |
.rsrc | 0x000E6000 | 0x000038BC | 0x00003A00 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 7.53943 |
.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 | Latin 1 / Western European | UNKNOWN | RT_MANIFEST |
Imports
mscoree.dll |
Total processes
42
Monitored processes
5
Malicious processes
4
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process |
|---|---|---|---|---|
| 2560 | "C:\Users\admin\AppData\Local\Temp\OctoSniff.exe" | C:\Users\admin\AppData\Local\Temp\OctoSniff.exe | explorer.exe | |
User: admin Company: OctoSniff Integrity Level: MEDIUM Description: OctoSniff Exit code: 0 Version: 1.0.0.0 | ||||
| 3092 | "C:\Users\admin\AppData\Local\Temp\OctoSniff.exe" /wait | C:\Users\admin\AppData\Local\Temp\OctoSniff.exe | OctoSniff.exe | |
User: admin Company: OctoSniff Integrity Level: HIGH Description: OctoSniff Exit code: 0 Version: 1.0.0.0 | ||||
| 3260 | "C:\Program Files\System32\Orcus.exe" | C:\Program Files\System32\Orcus.exe | OctoSniff.exe | |
User: admin Company: OctoSniff Integrity Level: HIGH Description: OctoSniff Version: 1.0.0.0 | ||||
| 2456 | "C:\Users\admin\AppData\Roaming\OctoSniff.exe" /launchSelfAndExit "C:\Program Files\System32\Orcus.exe" 3260 | C:\Users\admin\AppData\Roaming\OctoSniff.exe | Orcus.exe | |
User: admin Integrity Level: HIGH Exit code: 1592 Version: 1.0.0.0 | ||||
| 1592 | "C:\Users\admin\AppData\Roaming\OctoSniff.exe" /watchProcess "C:\Program Files\System32\Orcus.exe" 3260 | C:\Users\admin\AppData\Roaming\OctoSniff.exe | — | OctoSniff.exe |
User: admin Integrity Level: HIGH Version: 1.0.0.0 | ||||
Total events
1 186
Read events
1 158
Write events
0
Delete events
0
Modification events
Executable files
2
Suspicious files
4
Text files
2
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 3260 | Orcus.exe | C:\Users\admin\AppData\Local\Temp\Cab8EDA.tmp | — | |
MD5:— | SHA256:— | |||
| 3260 | Orcus.exe | C:\Users\admin\AppData\Local\Temp\Tar8EDB.tmp | — | |
MD5:— | SHA256:— | |||
| 3260 | Orcus.exe | C:\Users\admin\AppData\Local\Temp\Cab8EEC.tmp | — | |
MD5:— | SHA256:— | |||
| 3260 | Orcus.exe | C:\Users\admin\AppData\Local\Temp\Tar8EED.tmp | — | |
MD5:— | SHA256:— | |||
| 3260 | Orcus.exe | C:\Users\admin\AppData\Local\Temp\Cab8F8A.tmp | — | |
MD5:— | SHA256:— | |||
| 3260 | Orcus.exe | C:\Users\admin\AppData\Local\Temp\Tar8F8B.tmp | — | |
MD5:— | SHA256:— | |||
| 3260 | Orcus.exe | C:\Users\admin\AppData\Local\Temp\Cab9019.tmp | — | |
MD5:— | SHA256:— | |||
| 3260 | Orcus.exe | C:\Users\admin\AppData\Local\Temp\Tar901A.tmp | — | |
MD5:— | SHA256:— | |||
| 3260 | Orcus.exe | C:\Users\admin\AppData\Local\Temp\Cab902A.tmp | — | |
MD5:— | SHA256:— | |||
| 3260 | Orcus.exe | C:\Users\admin\AppData\Local\Temp\Tar902B.tmp | — | |
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
1
Threats
0
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
3260 | Orcus.exe | GET | 304 | 205.185.216.10:80 | http://www.download.windowsupdate.com/msdownload/update/v3/static/trustedr/en/authrootstl.cab | US | compressed | 57.5 Kb | whitelisted |
3260 | Orcus.exe | GET | 200 | 205.185.216.10:80 | http://www.download.windowsupdate.com/msdownload/update/v3/static/trustedr/en/authrootstl.cab | US | compressed | 57.5 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 |
|---|---|---|---|---|---|---|
3260 | Orcus.exe | 45.88.110.35:1738 | — | — | — | malicious |
3260 | Orcus.exe | 205.185.216.10:80 | www.download.windowsupdate.com | Highwinds Network Group, Inc. | US | whitelisted |
DNS requests
Domain | IP | Reputation |
|---|---|---|
www.download.windowsupdate.com |
| whitelisted |
Threats
PID | Process | Class | Message |
|---|---|---|---|
3260 | Orcus.exe | A Network Trojan was detected | MALWARE [PTsecurity] Malicious SSL connection (Orcus RAT) |
1 ETPRO signatures available at the full report