| File name: | Client.exe |
| Full analysis: | https://app.any.run/tasks/accc0106-ee27-419f-b9cc-a0eb8d3efa11 |
| Verdict: | Malicious activity |
| Threats: | DCrat, also known as Dark Crystal RAT, is a remote access trojan (RAT), which was first introduced in 2018. It is a modular malware that can be customized to perform different tasks. For instance, it can steal passwords, crypto wallet information, hijack Telegram and Steam accounts, and more. Attackers may use a variety of methods to distribute DCrat, but phishing email campaigns are the most common. |
| Analysis date: | April 13, 2025, 10:54:30 |
| OS: | Windows 10 Professional (build: 19044, 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: | FF38D4F4AAC66B07F1D89DABB1C8AD8C |
| SHA1: | A09EE7CD02421BE45D69CE5F056DF1C2104C844C |
| SHA256: | 3690C15D7F081F7E85E48002D58616B8366A8F202FB2D219C25B429456357BE1 |
| SSDEEP: | 6144:IooVyZLqL7cI07ZkZrzN/VKjXvlN3Jyb3sjliysljU8x9xssMQVZwnjoyToyVak:IELqHcIqZkZrR/UjfNa6UZliUyTo2p |
| .exe | | | Generic CIL Executable (.NET, Mono, etc.) (82.9) |
|---|---|---|
| .dll | | | Win32 Dynamic Link Library (generic) (7.4) |
| .exe | | | Win32 Executable (generic) (5.1) |
| .exe | | | Generic Win/DOS Executable (2.2) |
| .exe | | | DOS Executable Generic (2.2) |
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2100:10:13 03:20:15+00:00 |
| ImageFileCharacteristics: | Executable, Large address aware |
| PEType: | PE32 |
| LinkerVersion: | 48 |
| CodeSize: | 504320 |
| InitializedDataSize: | 179712 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x7cffe |
| 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: | Client |
| FileVersion: | 1.0.0.0 |
| InternalName: | Client.exe |
| LegalCopyright: | Copyright © 2022 |
| LegalTrademarks: | - |
| OriginalFileName: | Client.exe |
| ProductName: | Client |
| ProductVersion: | 1.0.0.0 |
| AssemblyVersion: | 1.0.0.0 |
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1012 | schtASks /deLeTe /F /Tn "open-vpn-agent" | C:\Windows\System32\schtasks.exe | — | cmd.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Task Scheduler Configuration Tool Exit code: 1 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 1568 | \??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1 | C:\Windows\System32\conhost.exe | — | cmd.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Console Window Host Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 1616 | taskkill /im explorer.exe /f | C:\Windows\System32\taskkill.exe | — | cmd.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Terminates Processes Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 2196 | C:\WINDOWS\system32\svchost.exe -k NetworkService -p -s Dnscache | C:\Windows\System32\svchost.exe | services.exe | ||||||||||||
User: NETWORK SERVICE Company: Microsoft Corporation Integrity Level: SYSTEM Description: Host Process for Windows Services Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 3268 | schtASks /deLeTe /F /Tn "anydesk" | C:\Windows\System32\schtasks.exe | — | cmd.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Task Scheduler Configuration Tool Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 4428 | SchTaSKs /CrEAte /F /sc OnLoGoN /rl HighEst /tn "anydesk" /tr "C:\WINDOWS\AggregatorHost.exe" | C:\Windows\System32\schtasks.exe | — | cmd.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Task Scheduler Configuration Tool Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 4608 | "C:\Windows\System32\cmd.exe" /c schtASks /deLeTe /F /Tn "open-vpn-agent" & exit | C:\Windows\System32\cmd.exe | — | Client.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Windows Command Processor Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 4752 | C:\WINDOWS\System32\mobsync.exe -Embedding | C:\Windows\System32\mobsync.exe | — | svchost.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Microsoft Sync Center Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 4844 | "CMD" /c SchTaSKs /create /f /sc minute /mo 5 /tn "open-vpn-agent" /tr "C:\WINDOWS\AggregatorHost.exe" /RL HIGHEST & exit | C:\Windows\System32\cmd.exe | — | Client.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Windows Command Processor Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 5164 | "C:\WINDOWS\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca | C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe | svchost.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Search application Version: 10.0.19041.3996 (WinBuild.160101.0800) Modules
| |||||||||||||||
| (PID) Process: | (7660) Client.exe | Key: | HKEY_CURRENT_USER\SOFTWARE |
| Operation: | write | Name: | hwid |
Value: MUFFQ0EyRTVDODhDMzgzNkJFQkZBM0M= | |||
| (PID) Process: | (8032) Client.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows |
| Operation: | write | Name: | AppInit_DLLs |
Value: C:\WINDOWS\xdwd.dll | |||
| (PID) Process: | (8032) Client.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows |
| Operation: | write | Name: | LoadAppInit_DLLs |
Value: 1 | |||
| (PID) Process: | (8032) Client.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows |
| Operation: | write | Name: | RequireSignedAppInit_DLLs |
Value: 0 | |||
| (PID) Process: | (8032) Client.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon |
| Operation: | write | Name: | Userinit |
Value: C:\Windows\System32\userinit.exe,C:\WINDOWS\AggregatorHost.exe | |||
| (PID) Process: | (8032) Client.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run |
| Operation: | write | Name: | open-vpn-agent |
Value: C:\WINDOWS\AggregatorHost.exe | |||
| (PID) Process: | (8032) Client.exe | Key: | HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\.NET Memory Cache 4.0\Linkage |
| Operation: | write | Name: | Export |
Value: .NET Memory Cache 4.0 | |||
| (PID) Process: | (8032) Client.exe | Key: | HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\MSDTC Bridge 3.0.0.0\Linkage |
| Operation: | write | Name: | Export |
Value: MSDTC Bridge 3.0.0.0 | |||
| (PID) Process: | (8032) Client.exe | Key: | HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\MSDTC Bridge 4.0.0.0\Linkage |
| Operation: | write | Name: | Export |
Value: MSDTC Bridge 4.0.0.0 | |||
| (PID) Process: | (8032) Client.exe | Key: | HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\ServiceModelEndpoint 3.0.0.0\Linkage |
| Operation: | write | Name: | Export |
Value: ServiceModelEndpoint 3.0.0.0 | |||
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 5164 | SearchApp.exe | C:\Users\admin\AppData\Local\Packages\Microsoft.Windows.Search_cw5n1h2txyewy\LocalState\DeviceSearchCache\AppCache133890153559784230.txt~RF11f2ba.TMP | — | |
MD5:— | SHA256:— | |||
| 5164 | SearchApp.exe | C:\Users\admin\AppData\Local\Packages\Microsoft.Windows.Search_cw5n1h2txyewy\AC\AppCache\5Y734AMR\67\Dk_HKkNYHL7ewHkssjfxG7rHTx0[1].css | text | |
MD5:5F516759C692FC4722A2FD5E74140DDB | SHA256:EFB768E3B706F5CCD26DA2361122DAFF2FDC6C3B1194E15A5645394B1C225B8A | |||
| 5164 | SearchApp.exe | C:\Users\admin\AppData\Local\Packages\Microsoft.Windows.Search_cw5n1h2txyewy\AC\AppCache\5Y734AMR\67\AptopUBu7_oVDubJxwvaIprW-lI[1].css | text | |
MD5:29DE55D0A7A581B230CC2D70686CD03A | SHA256:D9F161C1FE8751953E4F3819993C16C2A61A0121B527E09862C34C89E7B6C677 | |||
| 5164 | SearchApp.exe | C:\Users\admin\AppData\Local\Packages\Microsoft.Windows.Search_cw5n1h2txyewy\LocalState\DeviceSearchCache\AppCache133890153559784230.txt.~tmp | text | |
MD5:39FEA118E9A443749C833A616160B40F | SHA256:32F96CF504EF57CA43A9E9886A741DE0DD6AA7DDAEBC78DAAC2D3B041C2C5B53 | |||
| 8032 | Client.exe | C:\Users\admin\AppData\Local\Temp\tmpAE3E.tmp.bat | text | |
MD5:28AE982F81522CBE45FACE7D0643B484 | SHA256:C7875EEE2A970089522AFF1494FDED727B6D9A2F2C043E9A0847DF925BE964E1 | |||
| 5164 | SearchApp.exe | C:\Users\admin\AppData\Local\Packages\Microsoft.Windows.Search_cw5n1h2txyewy\AC\AppCache\5Y734AMR\67\fvNdnrKxhhxDQUEi09cCaSWpzzE[1].css | text | |
MD5:15DC838A1A66277F9F4D915124DFFBBC | SHA256:9C947D5F732431197DA9DB1F159CB3D4CDC5DBFE55FDC0A9513E571FF31236A1 | |||
| 5164 | SearchApp.exe | C:\Users\admin\AppData\Local\Packages\Microsoft.Windows.Search_cw5n1h2txyewy\AC\Microsoft\Internet Explorer\DOMStore\ZWUI0EBX\www.bing[1].xml | text | |
MD5:B4DF24E28A75D8CE1ABC7B52FCA881BD | SHA256:8ADABFABD394F0A8240DB9C4FE2D23D3DE932E2603CDE0236CB667BA9BEACDED | |||
| 8032 | Client.exe | C:\Windows\AggregatorHost.exe | executable | |
MD5:FF38D4F4AAC66B07F1D89DABB1C8AD8C | SHA256:3690C15D7F081F7E85E48002D58616B8366A8F202FB2D219C25B429456357BE1 | |||
| 5164 | SearchApp.exe | C:\Users\admin\AppData\Local\Packages\Microsoft.Windows.Search_cw5n1h2txyewy\AC\TokenBroker\Cache\fbaf94e759052658216786bfbabcdced1b67a5c2.tbres | binary | |
MD5:16EEC221CF73B8BE223F1DD8C500BBF2 | SHA256:CA2F234FAA8D02BC9E5AA68BDDD985AF341C705CCB6717CC554C536997BA58B8 | |||
| 6964 | TiWorker.exe | C:\Windows\Logs\CBS\CBS.log | text | |
MD5:AFDCB98B8EA3C5328681583A870F8E3A | SHA256:E3E4DC801F9C73DD95A1F08180C94F2834D9DDEDB297FE5AD6C1D73281548EEC | |||
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
— | — | GET | 304 | 4.245.163.56:443 | 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 | unknown | — | — | — |
8104 | SIHClient.exe | GET | 200 | 184.30.21.171:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Signing%20CA%202.1.crl | unknown | — | — | whitelisted |
8104 | SIHClient.exe | GET | 200 | 23.216.77.30:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
8104 | SIHClient.exe | GET | 200 | 184.30.21.171:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20Update%20Signing%20CA%202.1.crl | unknown | — | — | whitelisted |
8104 | SIHClient.exe | GET | 200 | 23.216.77.30:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut_2010-06-23.crl | unknown | — | — | whitelisted |
— | — | GET | 200 | 4.245.163.56:443 | https://slscr.update.microsoft.com/sls/ping | unknown | — | — | — |
8104 | SIHClient.exe | GET | 200 | 23.216.77.30:80 | http://crl.microsoft.com/pki/crl/products/MicTimStaPCA_2010-07-01.crl | unknown | — | — | whitelisted |
— | — | GET | 200 | 13.95.31.18:443 | https://fe3cr.delivery.mp.microsoft.com/clientwebservice/ping | unknown | — | — | — |
8104 | SIHClient.exe | GET | 200 | 184.30.21.171:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl | unknown | — | — | whitelisted |
8104 | SIHClient.exe | GET | 200 | 184.30.21.171:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20Update%20Signing%20CA%202.2.crl | unknown | — | — | whitelisted |
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
— | — | 4.231.128.59:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
— | — | 172.211.123.249:443 | client.wns.windows.com | MICROSOFT-CORP-MSN-AS-BLOCK | FR | whitelisted |
6544 | svchost.exe | 20.190.159.131:443 | login.live.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
3216 | svchost.exe | 172.211.123.249:443 | client.wns.windows.com | MICROSOFT-CORP-MSN-AS-BLOCK | FR | whitelisted |
2104 | svchost.exe | 4.231.128.59:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
4 | System | 192.168.100.255:137 | — | — | — | whitelisted |
8104 | SIHClient.exe | 4.245.163.56:443 | slscr.update.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | US | whitelisted |
8104 | SIHClient.exe | 23.216.77.30:80 | crl.microsoft.com | Akamai International B.V. | DE | whitelisted |
8104 | SIHClient.exe | 184.30.21.171:80 | www.microsoft.com | AKAMAI-AS | DE | whitelisted |
Domain | IP | Reputation |
|---|---|---|
settings-win.data.microsoft.com |
| whitelisted |
client.wns.windows.com |
| whitelisted |
google.com |
| whitelisted |
login.live.com |
| whitelisted |
slscr.update.microsoft.com |
| whitelisted |
crl.microsoft.com |
| whitelisted |
www.microsoft.com |
| whitelisted |
fe3cr.delivery.mp.microsoft.com |
| whitelisted |
denchikus123-26295.portmap.io |
| malicious |
activation-v2.sls.microsoft.com |
| whitelisted |
PID | Process | Class | Message |
|---|---|---|---|
2196 | svchost.exe | Potential Corporate Privacy Violation | ET INFO DNS Query to a Reverse Proxy Service Observed |
2196 | svchost.exe | Misc activity | ET INFO DNS Query for Port Mapping/Tunneling Service Domain (.portmap .io) |
8032 | Client.exe | A Network Trojan was detected | ET MALWARE DcRAT/Sheet RAT CnC Checkin Using MessagePack |
8032 | Client.exe | Malware Command and Control Activity Detected | REMOTE [ANY.RUN] SheetRat (Ping) |