| File name: | WINSTA.dll |
| Full analysis: | https://app.any.run/tasks/2fcecc50-4c41-4f3b-abc8-e058d6e30c21 |
| Verdict: | Malicious activity |
| Analysis date: | April 24, 2025, 10:29:09 |
| OS: | Windows 10 Professional (build: 19044, 64 bit) |
| Indicators: | |
| MIME: | application/vnd.microsoft.portable-executable |
| File info: | PE32+ executable (DLL) (console) x86-64, for MS Windows, 7 sections |
| MD5: | B316E5D12C3109012A0A9E520A4F619B |
| SHA1: | 7232FB4A5C73EBDF896F9310008939E28A662423 |
| SHA256: | 329EB2CDE55F6552964E4238C277A31B27CF67AAD4A77BDACACE459ECC3C8C46 |
| SSDEEP: | 6144:CNPocvI4zZRSiHNd6BTk6ejJB0qh2r4ALoXuEu3PcRKYLt/g8vzLD1hHUGN2:Cq2ZLNdiTVG3C4A8XnuURKY5I0nzH72 |
MALICIOUS
No malicious indicators.SUSPICIOUS
Process drops legitimate windows executable
- cmd.exe (PID: 1056)
- cmd.exe (PID: 2108)
Executable content was dropped or overwritten
- cmd.exe (PID: 1056)
- cmd.exe (PID: 2108)
Lists all scheduled tasks
- schtasks.exe (PID: 6516)
- schtasks.exe (PID: 2644)
- schtasks.exe (PID: 4380)
- schtasks.exe (PID: 5744)
- schtasks.exe (PID: 6584)
- schtasks.exe (PID: 872)
- schtasks.exe (PID: 3268)
- schtasks.exe (PID: 3332)
- schtasks.exe (PID: 6048)
- schtasks.exe (PID: 6228)
- schtasks.exe (PID: 4016)
- schtasks.exe (PID: 3968)
- schtasks.exe (PID: 2656)
INFO
Manual execution by a user
- AgentService.exe (PID: 3888)
- cmd.exe (PID: 1056)
- RdpSaUacHelper.exe (PID: 7000)
- cmd.exe (PID: 2108)
- schtasks.exe (PID: 6516)
- schtasks.exe (PID: 1180)
- schtasks.exe (PID: 5744)
- schtasks.exe (PID: 4380)
- schtasks.exe (PID: 6584)
- schtasks.exe (PID: 3268)
- schtasks.exe (PID: 3332)
- schtasks.exe (PID: 2644)
- schtasks.exe (PID: 6228)
- schtasks.exe (PID: 2656)
- schtasks.exe (PID: 4016)
- schtasks.exe (PID: 872)
- schtasks.exe (PID: 3968)
- schtasks.exe (PID: 6048)
The sample compiled with english language support
- rundll32.exe (PID: 5304)
- cmd.exe (PID: 1056)
- cmd.exe (PID: 2108)
Checks proxy server information
- slui.exe (PID: 6244)
Reads the software policy settings
- slui.exe (PID: 6244)
- slui.exe (PID: 6724)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .exe | | | Generic Win/DOS Executable (50) |
|---|---|---|
| .exe | | | DOS Executable Generic (49.9) |
EXIF
EXE
| MachineType: | AMD AMD64 |
|---|---|
| TimeStamp: | 2019:12:07 15:28:48+00:00 |
| ImageFileCharacteristics: | Executable, Large address aware, DLL |
| PEType: | PE32+ |
| LinkerVersion: | 6.11 |
| CodeSize: | 32256 |
| InitializedDataSize: | 577536 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x7150 |
| OSVersion: | 5 |
| ImageVersion: | - |
| SubsystemVersion: | 5 |
| Subsystem: | Windows command line |
| FileVersionNumber: | 12.2.0.18007 |
| ProductVersionNumber: | 12.2.0.18007 |
| FileFlagsMask: | 0x003f |
| FileFlags: | (none) |
| FileOS: | Win32 |
| ObjectFileType: | Dynamic link library |
| FileSubtype: | - |
| LanguageCode: | English (U.S.) |
| CharacterSet: | Windows, Latin1 |
| CompanyName: | Citrix Systems, Inc. |
| FileDescription: | Primary authenticator resources (en) |
| FileVersion: | 12.2.0.18007 |
| LegalCopyright: | Copyright © 2017 Citrix Systems, Inc. |
| InternalName: | PrimaryAuthModule.mui.dll |
| OriginalFileName: | PrimaryAuthModule.mui.dll |
| ProductName: | Citrix Receiver |
| ProductVersion: | 12.2.0.18007 |
| OLESelfRegister: | - |
Total processes
172
Monitored processes
38
Malicious processes
0
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 728 | \??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1 | C:\Windows\System32\conhost.exe | — | schtasks.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
| |||||||||||||||
| 872 | C:\WINDOWS\system32\schtasks.exe /Query /TN "Zqdycvlapvhd" | C:\Windows\System32\schtasks.exe | — | explorer.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Task Scheduler Configuration Tool Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 1056 | "C:\WINDOWS\system32\cmd.exe" /c C:\Users\admin\AppData\Local\Temp\YzH.cmd | C:\Windows\System32\cmd.exe | explorer.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Command Processor Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 1180 | "C:\WINDOWS\system32\schtasks.exe" /Create /F /TN "Zqdycvlapvhd" /TR "C:\Users\admin\AppData\Roaming\1qMw\RDPSAU~1.EXE" /SC minute /MO 60 | C:\Windows\System32\schtasks.exe | — | explorer.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Task Scheduler Configuration Tool Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 1388 | \??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1 | C:\Windows\System32\conhost.exe | — | schtasks.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
| |||||||||||||||
| 2108 | "C:\WINDOWS\system32\cmd.exe" /c C:\Users\admin\AppData\Local\Temp\20If4.cmd | C:\Windows\System32\cmd.exe | explorer.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Command Processor Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 2140 | C:\WINDOWS\system32\SppExtComObj.exe -Embedding | C:\Windows\System32\SppExtComObj.Exe | — | svchost.exe | |||||||||||
User: NETWORK SERVICE Company: Microsoft Corporation Integrity Level: SYSTEM Description: KMS Connection Broker Exit code: 0 Version: 10.0.19041.3996 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 2344 | \??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1 | C:\Windows\System32\conhost.exe | — | schtasks.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
| |||||||||||||||
| 2644 | C:\WINDOWS\system32\schtasks.exe /Query /TN "Zqdycvlapvhd" | C:\Windows\System32\schtasks.exe | — | explorer.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Task Scheduler Configuration Tool Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 2656 | C:\WINDOWS\system32\schtasks.exe /Query /TN "Zqdycvlapvhd" | C:\Windows\System32\schtasks.exe | — | explorer.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Task Scheduler Configuration Tool Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
Total events
7 272
Read events
7 272
Write events
0
Delete events
0
Modification events
Executable files
4
Suspicious files
0
Text files
0
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 2108 | cmd.exe | C:\Users\admin\AppData\Roaming\1qMw\WINSTA.dll | executable | |
MD5:6F8CB7B2F38DA121EB5FFE3A5647808D | SHA256:170022E86B7D2E9E78BA9562DB33D89EE361F84123FAB08641BA44255FA3BE72 | |||
| 1056 | cmd.exe | C:\Users\admin\AppData\Roaming\XZl3Ig\VERSION.dll | executable | |
MD5:C829BDC4295CCBDE6C4823F7D58A4785 | SHA256:7961B7B460FF512BDAD9FD5BFDEF83300675B42BE1E5201F5A601EBBFEC2A874 | |||
| 1056 | cmd.exe | C:\Users\admin\AppData\Roaming\XZl3Ig\AgentService.exe | executable | |
MD5:80D03B927F377DB880BAE59489E919B1 | SHA256:AA65ECE073CFDF8513C2834D54E6B5546C02E6AD1783BF656374F8DC94F2FC42 | |||
| 2108 | cmd.exe | C:\Users\admin\AppData\Roaming\1qMw\RdpSaUacHelper.exe | executable | |
MD5:8A0CAB547C7C223CE7B5134DDEE08997 | SHA256:B908DC8B0973E818461FDCA87508A2D1795C628A6516BB1F8550520298449E52 | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
38
DNS requests
20
Threats
0
HTTP requests
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
Connections
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
— | — | 192.168.100.255:137 | — | — | — | whitelisted |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
3216 | svchost.exe | 172.211.123.250:443 | client.wns.windows.com | MICROSOFT-CORP-MSN-AS-BLOCK | FR | whitelisted |
6544 | svchost.exe | 20.190.160.14:443 | login.live.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
5496 | MoUsoCoreWorker.exe | 20.73.194.208:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
2112 | svchost.exe | 20.73.194.208:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
2104 | svchost.exe | 20.73.194.208:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
5956 | SIHClient.exe | 20.109.210.53:443 | slscr.update.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | US | whitelisted |
5956 | SIHClient.exe | 52.165.164.15:443 | fe3cr.delivery.mp.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | US | whitelisted |
6724 | slui.exe | 40.91.76.224:443 | activation-v2.sls.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | US | whitelisted |
DNS requests
Domain | IP | Reputation |
|---|---|---|
settings-win.data.microsoft.com |
| whitelisted |
google.com |
| whitelisted |
client.wns.windows.com |
| whitelisted |
login.live.com |
| whitelisted |
slscr.update.microsoft.com |
| whitelisted |
fe3cr.delivery.mp.microsoft.com |
| whitelisted |
15.164.165.52.in-addr.arpa |
| unknown |
d.8.0.a.e.e.f.b.0.0.0.0.0.0.0.0.5.0.0.0.0.0.8.0.0.3.0.1.3.0.6.2.ip6.arpa |
| unknown |
activation-v2.sls.microsoft.com |
| whitelisted |
nexusrules.officeapps.live.com |
| whitelisted |