Analysis
- max time kernel
150s - max time network
133s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
22/10/2026, 21:38
General
- Target $R0/Uninstall sklauncher.exe
- Size 208KB
- Sample261022-1g59eaas3r
- SHA256 83363cb067a800015c3363e3ed17e311c96abaa23d4cd1f5e838047ad4d860c7
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
- Loads dropped DLL 8 IoCs
- Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell to get system information.
- 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" -NoProfile -NonInteractive -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" -NoProfile -NonInteractive -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" -NoProfile -NonInteractive -C "if ((Get-CimInstance -ClassName Win32_Process | ? {$_.Path -and $_.Path.StartsWith('C:\Users\Admin\AppData\Local\Temp\$R0', '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_pafnpybh.uix.psm1
StdUtils.dll
System.dll
WinShell.dll
nsExec.dll
Un_A.exe
memory/3500-50-0x0000000007180000-0x0000000007191000-memory.dmp
memory/3500-49-0x0000000007220000-0x00000000072B6000-memory.dmp
memory/3500-46-0x00000000703B0000-0x00000000703FC000-memory.dmp
memory/3500-42-0x00000000056B0000-0x0000000005A0B000-memory.dmp
memory/4112-66-0x0000000005C70000-0x0000000005CBC000-memory.dmp
memory/4112-64-0x00000000057D0000-0x0000000005B2B000-memory.dmp
memory/4112-67-0x0000000070390000-0x00000000703DC000-memory.dmp
memory/4112-70-0x0000000006EE0000-0x0000000006F83000-memory.dmp
memory/4112-71-0x0000000070510000-0x000000007086B000-memory.dmp
memory/4972-17-0x0000000006230000-0x0000000006296000-memory.dmp
memory/4972-24-0x00000000079E0000-0x0000000007A16000-memory.dmp
memory/4972-30-0x0000000008200000-0x000000000887C000-memory.dmp
memory/4972-31-0x0000000007BA0000-0x0000000007BBA000-memory.dmp
memory/4972-32-0x0000000007C00000-0x0000000007C0A000-memory.dmp
memory/4972-33-0x0000000007DA0000-0x0000000007DCA000-memory.dmp
memory/4972-34-0x0000000007DD0000-0x0000000007DF4000-memory.dmp
memory/4972-35-0x0000000070560000-0x00000000708BB000-memory.dmp
memory/4972-37-0x0000000073A10000-0x00000000741CC000-memory.dmp
memory/4972-28-0x0000000006E10000-0x0000000006E30000-memory.dmp
memory/4972-25-0x00000000703B0000-0x00000000703FC000-memory.dmp
memory/4972-29-0x0000000007AD0000-0x0000000007B73000-memory.dmp
memory/4972-23-0x0000000006850000-0x000000000689C000-memory.dmp
memory/4972-22-0x0000000006810000-0x000000000682E000-memory.dmp
memory/4972-21-0x0000000006310000-0x000000000666B000-memory.dmp
memory/4972-18-0x00000000062A0000-0x0000000006306000-memory.dmp
memory/4972-16-0x0000000005920000-0x0000000005942000-memory.dmp
memory/4972-15-0x0000000073A10000-0x00000000741CC000-memory.dmp
memory/4972-14-0x0000000005B30000-0x000000000617A000-memory.dmp
memory/4972-13-0x0000000073A10000-0x00000000741CC000-memory.dmp
memory/4972-12-0x0000000003310000-0x0000000003346000-memory.dmp
memory/4972-11-0x0000000073A22000-0x0000000073A23000-memory.dmp