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| download: | /roidan.txt |
| Full analysis: | https://app.any.run/tasks/ecc4dfa0-a8ee-4417-956b-646af3e09f23 |
| Verdict: | Malicious activity |
| Threats: | CastleLoader is a modern malware loader designed to quietly establish initial access and deliver follow-up payloads such as stealers, RATs, and ransomware. It focuses on stealth, flexibility, and rapid payload rotation, making it an effective tool for financially motivated threat actors and a persistent problem for enterprise defenders. |
| Analysis date: | March 12, 2026, 23:50:22 |
| OS: | Windows 10 Professional (build: 19044, 64 bit) |
| Tags: | |
| Indicators: | |
| MIME: | text/plain |
| File info: | ASCII text, with no line terminators |
| MD5: | 8FE4E52EACFB271836213C9D48945885 |
| SHA1: | 195D76E58A485211F02E8D6662C98CBF3DDAE448 |
| SHA256: | 62FBBE130D4CB79285010F2FE115232B3F054D4DE8F3E115E88970A7B3B73A20 |
| SSDEEP: | 3:Ljg7bJJFISigkkSRhZDCCzWX4OVM2ZSRhZUBUCduSVJYmdn:E8SiPzZDBSZvIzZmUsXimd |
MALICIOUS
CASTLELOADER has been detected (YARA)
- pythonw.exe (PID: 4516)
SUSPICIOUS
Found IP address in command line
- powershell.exe (PID: 6828)
Obfuscation pattern (POWERSHELL)
- powershell.exe (PID: 6828)
Starts POWERSHELL.EXE for commands execution
- powershell.exe (PID: 8456)
Application launched itself
- powershell.exe (PID: 8456)
Uses base64 encoding (POWERSHELL)
- powershell.exe (PID: 6828)
Gets file extension (POWERSHELL)
- powershell.exe (PID: 6828)
The process drops C-runtime libraries
- traffic3.exe (PID: 5896)
Process drops python dynamic module
- traffic3.exe (PID: 5896)
Executable content was dropped or overwritten
- traffic3.exe (PID: 5896)
Loads Python modules
- pythonw.exe (PID: 4516)
INFO
Disables trace logs
- powershell.exe (PID: 6828)
Script raised an exception (POWERSHELL)
- powershell.exe (PID: 6828)
Uses string replace method (POWERSHELL)
- powershell.exe (PID: 6828)
Gets data length (POWERSHELL)
- powershell.exe (PID: 6828)
Checks if a key exists in the options dictionary (POWERSHELL)
- powershell.exe (PID: 6828)
Checks whether the specified file exists (POWERSHELL)
- powershell.exe (PID: 6828)
Using PowerShell for ZIP File Operations
- powershell.exe (PID: 6828)
The executable file from the user directory is run by the Powershell process
- traffic3.exe (PID: 5896)
Checks supported languages
- traffic3.exe (PID: 5896)
- pythonw.exe (PID: 4516)
- identity_helper.exe (PID: 4756)
Create files in a temporary directory
- traffic3.exe (PID: 5896)
The sample compiled with english language support
- traffic3.exe (PID: 5896)
Reads the computer name
- traffic3.exe (PID: 5896)
- pythonw.exe (PID: 4516)
- identity_helper.exe (PID: 4756)
Reads security settings of Internet Explorer
- traffic3.exe (PID: 5896)
- pythonw.exe (PID: 4516)
- notepad.exe (PID: 3120)
Manual execution by a user
- cmd.exe (PID: 5088)
- msedge.exe (PID: 3232)
- notepad.exe (PID: 3120)
Reads the machine GUID from the registry
- pythonw.exe (PID: 4516)
Creates files or folders in the user directory
- pythonw.exe (PID: 4516)
- WerFault.exe (PID: 6804)
- WerFault.exe (PID: 6540)
Creates files in the program directory
- pythonw.exe (PID: 4516)
Application launched itself
- msedge.exe (PID: 3232)
Process checks computer location settings
- traffic3.exe (PID: 5896)
Python executable
- pythonw.exe (PID: 4516)
Reads Environment values
- identity_helper.exe (PID: 4756)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
Total processes
187
Monitored processes
35
Malicious processes
4
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 412 | \??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1 | C:\Windows\System32\conhost.exe | — | powershell.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Console Window Host Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 2496 | "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --lang=en-US --service-sandbox-type=service --disable-quic --string-annotations --always-read-main-dll --field-trial-handle=6104,i,17373202343866825969,8387483263774435097,262144 --variations-seed-version --mojo-platform-channel-handle=5848 /prefetch:8 | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | — | msedge.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: LOW Description: Microsoft Edge Exit code: 0 Version: 133.0.3065.92 Modules
| |||||||||||||||
| 2600 | "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=edge_xpay_wallet.mojom.EdgeXPayWalletService --lang=en-US --service-sandbox-type=utility --disable-quic --string-annotations --always-read-main-dll --field-trial-handle=4240,i,17373202343866825969,8387483263774435097,262144 --variations-seed-version --mojo-platform-channel-handle=5268 /prefetch:8 | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | — | msedge.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: LOW Description: Microsoft Edge Version: 133.0.3065.92 Modules
| |||||||||||||||
| 2608 | C:\WINDOWS\System32\slui.exe -Embedding | C:\Windows\System32\slui.exe | svchost.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Activation Client Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 3088 | "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --string-annotations --pdf-upsell-enabled --video-capture-use-gpu-memory-buffer --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=3 --enable-main-frame-before-activation --renderer-client-id=5 --always-read-main-dll --field-trial-handle=3596,i,17373202343866825969,8387483263774435097,262144 --variations-seed-version --mojo-platform-channel-handle=3908 /prefetch:1 | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | — | msedge.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: LOW Description: Microsoft Edge Version: 133.0.3065.92 Modules
| |||||||||||||||
| 3120 | "C:\WINDOWS\system32\NOTEPAD.EXE" C:\Users\admin\Desktop\site-packages/README.txt | C:\Windows\System32\notepad.exe | — | explorer.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Notepad Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 3232 | "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" https://sautinsoft.com/start-for-free/ | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | explorer.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Microsoft Edge Version: 133.0.3065.92 Modules
| |||||||||||||||
| 3316 | "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --disable-quic --message-loop-type-ui --string-annotations --always-read-main-dll --field-trial-handle=6512,i,17373202343866825969,8387483263774435097,262144 --variations-seed-version --mojo-platform-channel-handle=6768 /prefetch:8 | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | — | msedge.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Microsoft Edge Exit code: 0 Version: 133.0.3065.92 Modules
| |||||||||||||||
| 4516 | "C:\Users\admin\AppData\Local\Temp\a9768f8d-71d0-4bef-8708-a8c84db30768\python312\pythonw.exe" "C:\Users\admin\AppData\Local\Temp\a9768f8d-71d0-4bef-8708-a8c84db30768\start\script.py" | C:\Users\admin\AppData\Local\Temp\a9768f8d-71d0-4bef-8708-a8c84db30768\python312\pythonw.exe | traffic3.exe | ||||||||||||
User: admin Company: Python Software Foundation Integrity Level: MEDIUM Description: Python Exit code: 3221225477 Version: 3.12.10 Modules
| |||||||||||||||
| 4540 | "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --disable-quic --string-annotations --always-read-main-dll --field-trial-handle=5604,i,17373202343866825969,8387483263774435097,262144 --variations-seed-version --mojo-platform-channel-handle=5536 /prefetch:8 | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | — | msedge.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: LOW Description: Microsoft Edge Exit code: 0 Version: 133.0.3065.92 Modules
| |||||||||||||||
Total events
31 342
Read events
31 339
Write events
3
Delete events
0
Modification events
| (PID) Process: | (4516) pythonw.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content |
| Operation: | write | Name: | CachePrefix |
Value: | |||
| (PID) Process: | (4516) pythonw.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies |
| Operation: | write | Name: | CachePrefix |
Value: Cookie: | |||
| (PID) Process: | (4516) pythonw.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History |
| Operation: | write | Name: | CachePrefix |
Value: Visited: | |||
Executable files
68
Suspicious files
96
Text files
175
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 6828 | powershell.exe | C:\Users\admin\traffic3.zip | — | |
MD5:— | SHA256:— | |||
| 6828 | powershell.exe | C:\Users\admin\Default\traffic3.exe | — | |
MD5:— | SHA256:— | |||
| 5896 | traffic3.exe | C:\Users\admin\AppData\Local\Temp\a9768f8d-71d0-4bef-8708-a8c84db30768\img\installation_manual.mp4 | — | |
MD5:— | SHA256:— | |||
| 8456 | powershell.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms~RF1e584f.TMP | binary | |
MD5:00A03B286E6E0EBFF8D9C492365D5EC2 | SHA256:4DBFC417D053BA6867308671F1C61F4DCAFC61F058D4044DB532DA6D3BDE3615 | |||
| 8456 | powershell.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\F7WCW3DW3P7GR3SV3UYA.temp | binary | |
MD5:25DD7356EFD05ABE792D4773ABB90207 | SHA256:E96F8E17932D031168B8A5E76CF7612E82CF191EC5E4EC5FB5E7C8EB652ECB22 | |||
| 8456 | powershell.exe | C:\Users\admin\AppData\Local\Temp\__PSScriptPolicyTest_aa24eaw0.juj.ps1 | text | |
MD5:D17FE0A3F47BE24A6453E9EF58C94641 | SHA256:96AD1146EB96877EAB5942AE0736B82D8B5E2039A80D3D6932665C1A4C87DCF7 | |||
| 8456 | powershell.exe | C:\Users\admin\AppData\Local\Temp\__PSScriptPolicyTest_2i5xjzs4.hnz.psm1 | text | |
MD5:D17FE0A3F47BE24A6453E9EF58C94641 | SHA256:96AD1146EB96877EAB5942AE0736B82D8B5E2039A80D3D6932665C1A4C87DCF7 | |||
| 6828 | powershell.exe | C:\Users\admin\AppData\Local\Temp\__PSScriptPolicyTest_jjo5s5jt.vfb.ps1 | text | |
MD5:D17FE0A3F47BE24A6453E9EF58C94641 | SHA256:96AD1146EB96877EAB5942AE0736B82D8B5E2039A80D3D6932665C1A4C87DCF7 | |||
| 6828 | powershell.exe | C:\Users\admin\AppData\Local\Microsoft\Windows\PowerShell\ModuleAnalysisCache | binary | |
MD5:1B896D2386F268F1E2A1CCD5450C41A1 | SHA256:9EEFB91EB7C754CF5BA851B8E8532CFF26202C3D45632E3689CD4D390B3C6838 | |||
| 5896 | traffic3.exe | C:\Users\admin\AppData\Local\Temp\a9768f8d-71d0-4bef-8708-a8c84db30768\img\ALODIARY.PNG | image | |
MD5:1679A96A9CAE29755FF28D9BAD2FA165 | SHA256:A36B568902BD0504D978E2864F356DE88544BDD8DF7E0A8CCC5DEC2D50623CDE | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
201
TCP/UDP connections
109
DNS requests
109
Threats
7
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
6768 | MoUsoCoreWorker.exe | GET | 304 | 51.124.78.146:443 | https://settings-win.data.microsoft.com/settings/v3.0/OneSettings/Client?OSVersionFull=10.0.19045.4046.amd64fre.vb_release.191206-1406&LocalDeviceID=s%3ABAD99146-31D3-4EC6-A1A4-BE76F32BA5D4&FlightRing=Retail&AttrDataVer=186&OSUILocale=en-US&OSSkuId=48&App=WOSC&AppVer=&IsFlightingEnabled=0&TelemetryLevel=1&DeviceFamily=Windows.Desktop | US | — | — | whitelisted |
— | — | GET | 200 | 23.11.40.157:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTrjrydRyt%2BApF3GSPypfHBxR5XtQQUs9tIpPmhxdiuNkHMEWNpYim8S8YCEAjTxtAB8my1oj8MfWpz%2F7Y%3D | NL | binary | 312 b | whitelisted |
356 | svchost.exe | GET | 200 | 23.11.40.157:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAz1vQYrVgL0erhQLCPM8GY%3D | NL | binary | 471 b | whitelisted |
— | — | GET | 200 | 204.79.197.203:80 | http://oneocsp.microsoft.com/ocsp/MFQwUjBQME4wTDAJBgUrDgMCGgUABBQ3L3%2F%2Fa6ADK8NraY2GXzVaYrHG4AQUb6t%2B2v%2BXQ3LsO2d33oJhNYhHQoUCEzMAAAAGb6JMMcOVb6sAAAAAAAY%3D | US | binary | 958 b | whitelisted |
8552 | svchost.exe | GET | 304 | 51.124.78.146:443 | https://settings-win.data.microsoft.com/settings/v3.0/WSD/UpdateHealthTools?os=Windows&osVer=10.0.19041.1.amd64fre.vb_release.191206-&sku=48&deviceClass=Windows.Desktop&locale=en-US&deviceId=s:BAD99146-31D3-4EC6-A1A4-BE76F32BA5D4&sampleId=s:95271487&appVer=10.0.19041.3626&FlightRing=Retail&TelemetryLevel=1&HidOverGattReg=C%3A%5CWINDOWS%5CSystem32%5CDriverStore%5CFileRepository%5Chidbthle.inf_amd64_9610b4821fdf82a5%5CMicrosoft.Bluetooth.Profiles.HidOverGatt.dll&AppVer=&ProcessorIdentifier=AMD64%20Family%2023%20Model%201%20Stepping%202&OEMModel=DELL&UpdateOfferedDays=4294967295&ProcessorManufacturer=AuthenticAMD&InstallDate=1661339444&OEMModelBaseBoard=&BranchReadinessLevel=CB&OEMSubModel=J5CR&IsCloudDomainJoined=0&DeferFeatureUpdatePeriodInDays=30&IsDeviceRetailDemo=0&FlightingBranchName=&OSUILocale=en-US&DeviceFamily=Windows.Desktop&WuClientVer=10.0.19041.3996&UninstallActive=1&IsFlightingEnabled=0&OSSkuId=48&ProcessorClockSpeed=3094&TotalPhysicalRAM=6144&SecureBootCapable=0&App=SedimentPack&ProcessorCores=6&CurrentBranch=vb_release&InstallLanguage=en-US&DeferQualityUpdatePeriodInDays=0&OEMName_Uncleaned=DELL&TPMVersion=0&PrimaryDiskTotalCapacity=262144&InstallationType=Client&AttrDataVer=186&ProcessorModel=AMD%20Ryzen%205%203500%206-Core%20Processor&IsEdgeWithChromiumInstalled=1&OSVersion=10.0.19045.4046&IsMDMEnrolled=0&ActivationChannel=Retail&FirmwareVersion=A.40&TrendInstalledKey=1&OSArchitecture=AMD64&DefaultUserRegion=244&UpdateManagementGroup=2 | US | — | — | whitelisted |
356 | svchost.exe | POST | 200 | 40.126.31.131:443 | https://login.live.com/RST2.srf | US | xml | 1.24 Kb | whitelisted |
8608 | SIHClient.exe | GET | 304 | 135.232.92.137:443 | https://slscr.update.microsoft.com/SLS/%7B522D76A4-93E1-47F8-B8CE-07C937AD1A1E%7D/x64/10.0.19045.4046/0?CH=686&L=en-US&P=&PT=0x30&WUA=10.0.19041.3996&MK=DELL&MD=DELL | US | — | — | whitelisted |
356 | svchost.exe | POST | 400 | 40.126.31.131:443 | https://login.live.com/ppsecure/deviceaddcredential.srf | US | — | 203 b | whitelisted |
356 | svchost.exe | POST | 400 | 40.126.31.131:443 | https://login.live.com/ppsecure/deviceaddcredential.srf | US | — | 203 b | whitelisted |
8608 | SIHClient.exe | GET | 200 | 135.232.92.97:443 | https://fe3cr.delivery.mp.microsoft.com/clientwebservice/ping | US | — | — | whitelisted |
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
Connections
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
4 | System | 192.168.100.255:137 | — | Not routed | — | whitelisted |
8552 | svchost.exe | 20.73.194.208:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | US | whitelisted |
8704 | RUXIMICS.exe | 20.73.194.208:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | US | whitelisted |
6768 | MoUsoCoreWorker.exe | 20.73.194.208:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | US | whitelisted |
5568 | SearchApp.exe | 184.86.251.22:443 | www.bing.com | AKAMAI-ASN1 | NL | whitelisted |
— | — | 23.11.40.157:80 | ocsp.digicert.com | AKAMAI-AMS | NL | whitelisted |
— | — | 204.79.197.203:80 | oneocsp.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | US | whitelisted |
— | — | 172.211.123.250:443 | client.wns.windows.com | MICROSOFT-CORP-MSN-AS-BLOCK | US | whitelisted |
4 | System | 192.168.100.255:138 | — | Not routed | — | whitelisted |
6828 | powershell.exe | 173.211.46.170:80 | — | CDNEXT | GB | unknown |
DNS requests
Domain | IP | Reputation |
|---|---|---|
settings-win.data.microsoft.com |
| whitelisted |
www.bing.com |
| whitelisted |
ocsp.digicert.com |
| whitelisted |
oneocsp.microsoft.com |
| whitelisted |
google.com |
| whitelisted |
client.wns.windows.com |
| whitelisted |
login.live.com |
| whitelisted |
crl.microsoft.com |
| whitelisted |
www.microsoft.com |
| whitelisted |
slscr.update.microsoft.com |
| whitelisted |
Threats
PID | Process | Class | Message |
|---|---|---|---|
6828 | powershell.exe | Not Suspicious Traffic | ET INFO Windows Powershell User-Agent Usage |
6768 | MoUsoCoreWorker.exe | Unknown Traffic | ET USER_AGENTS Microsoft Dr Watson User-Agent (MSDW) |
6828 | powershell.exe | Potentially Bad Traffic | ET INFO Dotted Quad Host ZIP Request |
6828 | powershell.exe | Not Suspicious Traffic | ET INFO Windows Powershell User-Agent Usage |
6916 | msedge.exe | Not Suspicious Traffic | INFO [ANY.RUN] Google Tag Manager analytics (googletagmanager .com) |
6916 | msedge.exe | Not Suspicious Traffic | INFO [ANY.RUN] Google Tag Manager analytics (googletagmanager .com) |
6916 | msedge.exe | Not Suspicious Traffic | INFO [ANY.RUN] Google Tag Manager analytics (googletagmanager .com) |