Analysis
- max time kernel
149s - max time network
140s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
- submitted
22/10/2026, 21:38
General
- Target $R0/Uninstall sklauncher.exe
- Size 208KB
- Sample261022-1g59eaas3r
- SHA256 83363cb067a800015c3363e3ed17e311c96abaa23d4cd1f5e838047ad4d860c7
Malware Config
Signatures
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 1 IoCs
- Loads dropped DLL 8 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⤵
- Checks computer location settings
- 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
powershell.exe.log
StartupProfileData-NonInteractive
StartupProfileData-NonInteractive
__PSScriptPolicyTest_vgyxef31.n5v.ps1
StdUtils.dll
System.dll
WinShell.dll
nsExec.dll
Un_A.exe
memory/1848-68-0x000000006F610000-0x000000006F65C000-memory.dmp
memory/1848-66-0x0000000006460000-0x00000000067B4000-memory.dmp
memory/1848-77-0x0000000007EA0000-0x0000000007EB1000-memory.dmp
memory/1848-76-0x0000000007F30000-0x0000000007FC6000-memory.dmp
memory/2428-108-0x000000006FD70000-0x00000000700C4000-memory.dmp
memory/2428-107-0x0000000006F60000-0x0000000007003000-memory.dmp
memory/2428-99-0x000000006F5F0000-0x000000006F63C000-memory.dmp
memory/2428-98-0x0000000006220000-0x000000000626C000-memory.dmp
memory/2428-89-0x0000000005690000-0x00000000059E4000-memory.dmp
memory/3516-42-0x0000000006FA0000-0x0000000006FBE000-memory.dmp
memory/3516-19-0x0000000005A00000-0x0000000005A22000-memory.dmp
memory/3516-45-0x0000000007BB0000-0x0000000007C53000-memory.dmp
memory/3516-46-0x0000000008340000-0x00000000089BA000-memory.dmp
memory/3516-47-0x0000000007CF0000-0x0000000007D0A000-memory.dmp
memory/3516-48-0x0000000007D60000-0x0000000007D6A000-memory.dmp
memory/3516-49-0x0000000007EE0000-0x0000000007F0A000-memory.dmp
memory/3516-50-0x0000000007F10000-0x0000000007F34000-memory.dmp
memory/3516-51-0x000000006F780000-0x000000006FAD4000-memory.dmp
memory/3516-21-0x0000000006360000-0x00000000063C6000-memory.dmp
memory/3516-44-0x00000000032F0000-0x0000000003300000-memory.dmp
memory/3516-43-0x00000000032F0000-0x0000000003300000-memory.dmp
memory/3516-18-0x0000000005A90000-0x00000000060B8000-memory.dmp
memory/3516-20-0x00000000062F0000-0x0000000006356000-memory.dmp
memory/3516-33-0x0000000007B70000-0x0000000007BA2000-memory.dmp
memory/3516-17-0x00000000032F0000-0x0000000003300000-memory.dmp
memory/3516-34-0x000000006F610000-0x000000006F65C000-memory.dmp
memory/3516-16-0x00000000033F0000-0x0000000003426000-memory.dmp
memory/3516-32-0x000000007EEE0000-0x000000007EEF0000-memory.dmp
memory/3516-31-0x00000000069F0000-0x0000000006A3C000-memory.dmp
memory/3516-30-0x00000000069B0000-0x00000000069CE000-memory.dmp
memory/3516-29-0x00000000063D0000-0x0000000006724000-memory.dmp
memory/3516-15-0x00000000032F0000-0x0000000003300000-memory.dmp