Analysis
- max time kernel
148s - max time network
128s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
16/08/2026, 17:25
General
- Target $R0/Uninstall sklauncher.exe
- Size 248KB
- Sample260816-vzmbcsshnd
- SHA256 2e8fc0d22f29cf1ad7bd9ee207a31afd6fbe6e271254bc6515a00520827e2c5e
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
-
C:\Users\Admin\AppData\Local\Temp\$R0\Uninstall sklauncher.exe"C:\Users\Admin\AppData\Local\Temp\$R0\Uninstall sklauncher.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\sklauncher', '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_43dmgmwy.a24.ps1
StdUtils.dll
System.dll
UAC.dll
WinShell.dll
modern-wizard.bmp
nsDialogs.dll
nsExec.dll
Un_A.exe
memory/1600-45-0x000000006F6B0000-0x000000006F6FC000-memory.dmp
memory/1600-53-0x00000000075D0000-0x00000000075FA000-memory.dmp
memory/1600-37-0x0000000005A50000-0x0000000005AB6000-memory.dmp
memory/1600-41-0x0000000005B30000-0x0000000005E8B000-memory.dmp
memory/1600-42-0x0000000006050000-0x000000000606E000-memory.dmp
memory/1600-43-0x00000000060A0000-0x00000000060EC000-memory.dmp
memory/1600-44-0x0000000007020000-0x0000000007056000-memory.dmp
memory/1600-36-0x00000000059B0000-0x00000000059D2000-memory.dmp
memory/1600-48-0x0000000006650000-0x0000000006670000-memory.dmp
memory/1600-49-0x0000000007310000-0x00000000073B3000-memory.dmp
memory/1600-50-0x0000000007A40000-0x00000000080BC000-memory.dmp
memory/1600-51-0x00000000073C0000-0x00000000073DA000-memory.dmp
memory/1600-52-0x0000000007430000-0x000000000743A000-memory.dmp
memory/1600-38-0x0000000005AC0000-0x0000000005B26000-memory.dmp
memory/1600-54-0x0000000007600000-0x0000000007624000-memory.dmp
memory/1600-55-0x000000006F8C0000-0x000000006FC1B000-memory.dmp
memory/1600-57-0x0000000072CF0000-0x00000000734AC000-memory.dmp
memory/1600-35-0x0000000072CF0000-0x00000000734AC000-memory.dmp
memory/1600-31-0x0000000072D02000-0x0000000072D03000-memory.dmp
memory/1600-34-0x00000000051F0000-0x000000000583A000-memory.dmp
memory/1600-32-0x0000000004B60000-0x0000000004B96000-memory.dmp
memory/1600-33-0x0000000072CF0000-0x00000000734AC000-memory.dmp
memory/1876-70-0x00000000077C0000-0x00000000077D1000-memory.dmp
memory/1876-69-0x0000000007860000-0x00000000078F6000-memory.dmp
memory/1876-66-0x000000006F6B0000-0x000000006F6FC000-memory.dmp
memory/1876-64-0x0000000005E40000-0x000000000619B000-memory.dmp
memory/4412-79-0x000000006F6B0000-0x000000006F6FC000-memory.dmp
memory/4412-82-0x000000006F810000-0x000000006FB6B000-memory.dmp