Analysis
- max time kernel
148s - max time network
151s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
07/11/2026, 11:16
General
- Target ldplayer.exe
- Size 5.5MB
- Sample261107-ndh89axt4p
- SHA256 c7d3cbb51d516b2cb9aa24084a274c4860005c00e0c83779fdbb38363cad2de5
Malware Config
Signatures
- Family: DonutLoader
DonutLoader is a position-independent code that enables in-memory execution of VBScript, JScript, EXE, DLL files and dotNET assemblies.
- Detects DonutLoader 1 IoCs
- Modifies Windows Defender Real-time Protection settings 3 TTPs 10 IoCs
- Modifies security service 2 TTPs 2 IoCs
- Executes dropped EXE 10 IoCs
- Loads dropped DLL 16 IoCs
- Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Adds Run key to start application 2 TTPs 1 IoCs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Enumerates connected drives 3 TTPs 1 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
- Modifies Security services 2 TTPs 8 IoCs
Modifies the startup behavior of a security service.
- Drops file in Windows directory 2 IoCs
- Browser Information Discovery 1 TTPs
Enumerate browser information.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Reads the TCP/IP host and domain name from the registry 1 TTPs 4 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
- System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious behavior: LoadsDriver 14 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
- Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
-
C:\Users\Admin\AppData\Local\Temp\ldplayer.exe"C:\Users\Admin\AppData\Local\Temp\ldplayer.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Microsoft\MicrosoftDiagTrack\QtsUpdater.exe"C:\Users\Admin\AppData\Local\Microsoft\MicrosoftDiagTrack\QtsUpdater.exe"2⤵
- Modifies security service
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Modifies Security services
- Reads the TCP/IP host and domain name from the registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Microsoft\MicrosoftDiagTrack\QtsUpdater.exe"C:\Users\Admin\AppData\Local\Microsoft\MicrosoftDiagTrack\QtsUpdater.exe"3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
-
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C:\Windows\SYSTEM32\schtasks.exeschtasks.exe /Create /F /SC ONLOGON /RL HIGHEST /TN "MicrosoftDiagTrack" /TR "C:\ProgramData\Microsoft\MicrosoftDiagTrack\QtsUpdater.exe"3⤵
- Scheduled Task/Job: Scheduled Task
-
-
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C:\Users\Admin\AppData\Local\Temp\ldplayer14_ld_6000_ld.exe"C:\Users\Admin\AppData\Local\Temp\ldplayer14_ld_6000_ld.exe"2⤵
- Executes dropped EXE
- Enumerates connected drives
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
-
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C:\Users\Admin\AppData\Local\Temp\ard5673.tmpC:\Users\Admin\AppData\Local\Temp\ard5673.tmp1⤵
- Executes dropped EXE
-
C:\Users\Admin\AppData\Local\Temp\ard59CE.tmpC:\Users\Admin\AppData\Local\Temp\ard59CE.tmp1⤵
- Executes dropped EXE
-
C:\Users\Admin\AppData\Local\Temp\ard6A2A.tmpC:\Users\Admin\AppData\Local\Temp\ard6A2A.tmp1⤵
- Executes dropped EXE
-
C:\ProgramData\Microsoft\MicrosoftDiagTrack\QtsUpdater.exeC:\ProgramData\Microsoft\MicrosoftDiagTrack\QtsUpdater.exe1⤵
- Modifies security service
- Executes dropped EXE
- Loads dropped DLL
- Modifies Security services
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
-
C:\ProgramData\Microsoft\MicrosoftDiagTrack\QtsUpdater.exe"C:\ProgramData\Microsoft\MicrosoftDiagTrack\QtsUpdater.exe"2⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
-
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C:\ProgramData\Microsoft\MicrosoftDiagTrack\QtsUpdater.exe"C:\ProgramData\Microsoft\MicrosoftDiagTrack\QtsUpdater.exe"1⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Windows directory
-
C:\Users\Admin\AppData\Local\Temp\ard7D83.tmpC:\Users\Admin\AppData\Local\Temp\ard7D83.tmp1⤵
- Executes dropped EXE
Network
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
2Windows Service
2Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
2Windows Service
2Scheduled Task/Job
1Scheduled Task
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
Loading Replay Monitor...
Downloads
heartbeat.cache
2026-11-07T11-17-03_QtsTool.log
MSVCP140.dll
QtsUpdater.exe
QtsVFS.dll
VCRUNTIME140.dll
VCRUNTIME140_1.dll
ard5673.tmp
cw_trace.log
cw_trace.log
cw_trace.log
cw_trace.log
cw_trace.log
cw_trace.log
cw_trace.log
cw_trace.log
cw_trace.log
cw_trace.log
hdp_rebuild_stage.lo
hdp_rebuild_stage.lo
hdp_rebuild_stage.lo
hdp_rebuild_stage.lo
hdp_rebuild_stage.log
hdp_rebuild_stage.log
hdp_rebuild_stage.log
hdp_rebuild_stage.log
hdp_rebuild_stage.log
hdp_rebuild_stage.log
hdp_rebuild_stage.log
hdp_rebuild_stage.log
hdp_rebuild_stage.log
hdp_rebuild_stage.log
hdp_rebuild_stage.log
hdp_rebuild_stage.log
hdp_rebuild_stage.log
hdp_rebuild_stage.log
hdp_rebuild_stage.log
hdp_rebuild_stage.log
ardrv.dat
hs_elev.ok
hs_rt32_954895e0.dll
ldplayer14_ld_6000_ld.exe
memory/2204-246-0x000001F0D2FE0000-0x000001F0D2FE8000-memory.dmp
memory/2412-91-0x0000000000010000-0x0000000000017000-memory.dmp
memory/2992-75-0x00000177F7C00000-0x00000177F7C09000-memory.dmp
memory/2992-76-0x00000177F7C10000-0x00000177F7C18000-memory.dmp
memory/3352-407-0x00007FF9FB550000-0x00007FF9FB5DE000-memory.dmp
memory/4104-0-0x00007FF7F2FF0000-0x00007FF7F3580000-memory.dmp
memory/4104-41-0x00007FF7F2FF0000-0x00007FF7F3580000-memory.dmp
memory/5956-409-0x00007FF9FB4C0000-0x00007FF9FB54E000-memory.dmp