Analysis
- max time kernel
149s - max time network
156s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
- submitted
08/06/2026, 12:18
General
- Target clp2.exe
- Size 2.5MB
- Sample260608-pgkf6ads2p
- SHA256 c8ade7f7a8f1684e4ce322ebd6c3e5a1a4f1e7b0fc36a659be36f63fbfc52a6b
Malware Config
Signatures
- Executes dropped EXE 5 IoCs
- Adds Run key to start application 2 TTPs 3 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 6 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 3 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 6 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious use of AdjustPrivilegeToken 64 IoCs
- Suspicious use of UnmapMainImage 1 IoCs
- Suspicious use of WriteProcessMemory 11 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
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\clp2.exe"C:\Users\Admin\AppData\Local\Temp\clp2.exe"2⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exeschtasks /create /tn "WindowsUpdate" /tr "C:\Users\Admin\AppData\Roaming\winsysdrv.exe" /sc onlogon /rl highest /f3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
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C:\Users\Admin\AppData\Roaming\dwrvc.exe"C:\Users\Admin\AppData\Roaming\dwrvc.exe"3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\winsysdrv.exeC:\Users\Admin\AppData\Roaming\winsysdrv.exe1⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exeschtasks /create /tn "WindowsUpdate" /tr "C:\ProgramData\winsysdrv.exe" /sc onlogon /rl highest /f2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
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C:\ProgramData\dwrvc.exe"C:\ProgramData\dwrvc.exe"2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\ProgramData\winsysdrv.exeC:\ProgramData\winsysdrv.exe1⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exeschtasks /create /tn "WindowsUpdate" /tr "C:\Users\Admin\AppData\Roaming\winsysdrv.exe" /sc onlogon /rl highest /f2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
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C:\Users\Admin\AppData\Roaming\dwrvc.exe"C:\Users\Admin\AppData\Roaming\dwrvc.exe"2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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Network
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
dwrvc.exe
winsysdrv.exe
memory/3220-9-0x00007FF621C90000-0x00007FF621F0B000-memory.dmp
memory/3220-11-0x00000000027F0000-0x00000000027F1000-memory.dmp
memory/3220-24-0x00007FF6A6C40000-0x00007FF6A6EBB000-memory.dmp
memory/3220-27-0x0000000002A30000-0x0000000002A31000-memory.dmp
memory/3220-40-0x00007FF7CA2B0000-0x00007FF7CA52B000-memory.dmp
memory/3428-41-0x00007FF7CA2B0000-0x00007FF7CA52A000-memory.dmp
memory/3968-10-0x00007FF621C90000-0x00007FF621F0A000-memory.dmp
memory/4152-25-0x00007FF6A6C40000-0x00007FF6A6EBA000-memory.dmp