Analysis
- max time kernel
60s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
22/08/2026, 23:36
General
- Target $R0/Uninstall LegacyLauncher.exe
- Size 203KB
- Sample260822-3ll3fa1ape
- SHA256 eac6845ccd5cca4afed6d41706f1f79f0cd2244be68e272d856e267ec798ddb8
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
- Loads dropped DLL 13 IoCs
- Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Using powershell.exe command.
- Hide Artifacts: Ignore Process Interrupts 1 TTPs 1 IoCs
Command interpreters often include specific commands/flags that ignore errors and other hangups.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 5 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 8 IoCs
- Suspicious use of AdjustPrivilegeToken 24 IoCs
- Suspicious use of WriteProcessMemory 4 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\$R0\Uninstall LegacyLauncher.exe"C:\Users\Admin\AppData\Local\Temp\$R0\Uninstall LegacyLauncher.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe"C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe" _?=C:\Users\Admin\AppData\Local\Temp\$R0\2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe" -C "if (Get-Command Get-CimInstance -ErrorAction SilentlyContinue) { exit 0 } else { exit 1 }"3⤵
- Hide Artifacts: Ignore Process Interrupts
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe" -C "if ((Get-ExecutionPolicy -Scope Process) -eq 'Restricted') { exit 1 } else { exit 0 }"3⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe" -C "if ((Get-CimInstance -ClassName Win32_Process | ? {$_.Path -and $_.Path.StartsWith('C:\Users\Admin\AppData\Local\Programs\LegacyLauncher', 'CurrentCultureIgnoreCase')}).Count -gt 0) { exit 0 } else { exit 1 }"3⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
StartupProfileData-NonInteractive
StartupProfileData-NonInteractive
__PSScriptPolicyTest_xm5url35.nvl.ps1
StdUtils.dll
System.dll
UAC.dll
WinShell.dll
modern-wizard.bmp
nsDialogs.dll
nsExec.dll
Un_A.exe
memory/988-81-0x000000006F6F0000-0x000000006FA4B000-memory.dmp
memory/988-78-0x000000006F590000-0x000000006F5DC000-memory.dmp
memory/1972-33-0x0000000072BD0000-0x000000007338C000-memory.dmp
memory/1972-56-0x0000000072BD0000-0x000000007338C000-memory.dmp
memory/1972-42-0x0000000006620000-0x000000000666C000-memory.dmp
memory/1972-43-0x0000000007530000-0x0000000007566000-memory.dmp
memory/1972-44-0x000000006F590000-0x000000006F5DC000-memory.dmp
memory/1972-47-0x0000000007510000-0x0000000007530000-memory.dmp
memory/1972-48-0x0000000007830000-0x00000000078D3000-memory.dmp
memory/1972-49-0x0000000007F60000-0x00000000085DC000-memory.dmp
memory/1972-50-0x00000000078E0000-0x00000000078FA000-memory.dmp
memory/1972-51-0x0000000007950000-0x000000000795A000-memory.dmp
memory/1972-52-0x0000000007AF0000-0x0000000007B1A000-memory.dmp
memory/1972-53-0x0000000007B20000-0x0000000007B44000-memory.dmp
memory/1972-54-0x000000006F5E0000-0x000000006F93B000-memory.dmp
memory/1972-41-0x0000000006560000-0x000000000657E000-memory.dmp
memory/1972-40-0x0000000006180000-0x00000000064DB000-memory.dmp
memory/1972-31-0x0000000072BE2000-0x0000000072BE3000-memory.dmp
memory/1972-37-0x0000000006020000-0x0000000006086000-memory.dmp
memory/1972-32-0x0000000005070000-0x00000000050A6000-memory.dmp
memory/1972-34-0x0000000005870000-0x0000000005EBA000-memory.dmp
memory/1972-35-0x00000000056A0000-0x00000000056C2000-memory.dmp
memory/1972-36-0x0000000005FB0000-0x0000000006016000-memory.dmp
memory/5560-69-0x0000000007310000-0x0000000007321000-memory.dmp
memory/5560-68-0x0000000007390000-0x0000000007426000-memory.dmp
memory/5560-65-0x000000006F590000-0x000000006F5DC000-memory.dmp
memory/5560-63-0x00000000059B0000-0x0000000005D0B000-memory.dmp