Analysis
- max time kernel
298s - max time network
287s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
21/04/2026, 04:36
General
- Target $R0/Uninstall LegacyLauncher.exe
- Size 203KB
- Sample260421-e8kacshw9m
- 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
powershell.exe.log
StartupProfileData-NonInteractive
StartupProfileData-NonInteractive
__PSScriptPolicyTest_t4gdhln2.dux.ps1
StdUtils.dll
System.dll
UAC.dll
WinShell.dll
modern-wizard.bmp
nsDialogs.dll
nsExec.dll
Un_A.exe
memory/496-39-0x0000000005260000-0x000000000588A000-memory.dmp
memory/496-68-0x0000000007420000-0x0000000007444000-memory.dmp
memory/496-41-0x0000000005180000-0x00000000051E6000-memory.dmp
memory/496-49-0x00000000059F0000-0x0000000005D47000-memory.dmp
memory/496-50-0x0000000005E70000-0x0000000005E8E000-memory.dmp
memory/496-51-0x0000000005EB0000-0x0000000005EFC000-memory.dmp
memory/496-52-0x000000007F250000-0x000000007F260000-memory.dmp
memory/496-53-0x0000000006450000-0x0000000006484000-memory.dmp
memory/496-62-0x0000000002BE0000-0x0000000002BF0000-memory.dmp
memory/496-61-0x0000000007040000-0x000000000705E000-memory.dmp
memory/496-54-0x000000006F930000-0x000000006F97C000-memory.dmp
memory/496-63-0x0000000007070000-0x0000000007114000-memory.dmp
memory/496-65-0x00000000071E0000-0x00000000071FA000-memory.dmp
memory/496-64-0x0000000007820000-0x0000000007E9A000-memory.dmp
memory/496-66-0x0000000007260000-0x000000000726A000-memory.dmp
memory/496-42-0x0000000005980000-0x00000000059E6000-memory.dmp
memory/496-67-0x00000000073F0000-0x000000000741A000-memory.dmp
memory/496-69-0x000000006FA90000-0x000000006FDE7000-memory.dmp
memory/496-40-0x0000000004FE0000-0x0000000005002000-memory.dmp
memory/496-36-0x0000000002BE0000-0x0000000002BF0000-memory.dmp
memory/496-38-0x0000000002BE0000-0x0000000002BF0000-memory.dmp
memory/496-37-0x00000000029A0000-0x00000000029D6000-memory.dmp
memory/1572-92-0x0000000007410000-0x00000000074A6000-memory.dmp
memory/1572-93-0x0000000007340000-0x0000000007351000-memory.dmp
memory/1572-85-0x000000006F930000-0x000000006F97C000-memory.dmp
memory/1572-77-0x0000000005870000-0x0000000005BC7000-memory.dmp
memory/3268-107-0x000000006F930000-0x000000006F97C000-memory.dmp
memory/3268-114-0x000000006FB60000-0x000000006FEB7000-memory.dmp
memory/3584-30-0x0000000002DB0000-0x0000000002E8A000-memory.dmp
memory/3584-145-0x0000000002DB0000-0x0000000002E8A000-memory.dmp