Overview

overview

8

Static

static

3

SKlauncher...up.exe

windows10-2004-x64

7

SKlauncher...up.exe

windows11-ltsc_2024-x64

8

Analysis

  • max time kernel
    899s
  • max time network
    427s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260617-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260617-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    28/06/2026, 05:40

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General

  • Target
    SKlauncher-3.2.18_Setup.exe
  • Size 3.6MB
  • Sample260628-gcwpmaft8n
  • SHA256 5d7f6d20b4de8c600f81d64b4608bb65bccf92bfc72a727831c8785a63b68997
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
adwarediscoveryinstallerpersistenceransomwarespyware

Malware Config

Signatures

  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 1 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    persistence
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 3 IoCs
  • Enumerates connected drives 3 TTPs 2 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Inno Setup is an open-source installation builder for Windows applications. 2 IoCs

    Inno Setup installer

    installer
  • Checks SCSI registry key(s) 3 TTPs 62 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
    adwarespyware
  • Modifies registry class 38 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 56 IoCs
  • Suspicious use of FindShellTrayWindow 55 IoCs
  • Suspicious use of SendNotifyMessage 44 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

    persistence
  • Uses Volume Shadow Copy WMI provider

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware

Processes

  • C:\Users\Admin\AppData\Local\Temp\SKlauncher-3.2.18_Setup.exe
    "C:\Users\Admin\AppData\Local\Temp\SKlauncher-3.2.18_Setup.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:6072
    • C:\Users\Admin\AppData\Local\Temp\is-5A0F1TMSH4.tmp\SKlauncher-3.2.18_Setup.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-5A0F1TMSH4.tmp\SKlauncher-3.2.18_Setup.tmp" /SL5="$60204,2154364,841216,C:\Users\Admin\AppData\Local\Temp\SKlauncher-3.2.18_Setup.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      PID:5100
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:3668
    • C:\Windows\explorer.exe
      explorer.exe /LOADSAVEDWINDOWS
      2⤵
      • Boot or Logon Autostart Execution: Active Setup
      • Enumerates connected drives
      • Checks SCSI registry key(s)
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:2380
  • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
    "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:4732
  • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
    "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:1388
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:4708
    • C:\Windows\System32\SecurityHealthHost.exe
      \\?\C:\Windows\System32\SecurityHealthHost.exe {08728914-3F57-4D52-9E31-49DAECA5A80A} -Embedding
      1⤵
        PID:1124

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            prep_Activatable Class_Hermes_perf.cache
            • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\TempState\prep_Activatable Class_Hermes_perf.cache
            • Size 599B
            • SHA256 b536a3dae9ea5c69081f0491eed829e3b57e32401fdf49a63031bcd6b20e6fdb
            • MD5 SHA1 SHA512 TLSH
            Submit Download

            SKlauncher-3.2.18_Setup.tmp
            • Path C:\Users\Admin\AppData\Local\Temp\is-5A0F1TMSH4.tmp\SKlauncher-3.2.18_Setup.tmp
            • Size 3.5MB
            • SHA256 942c7f45e3ee02dae9acc679d028a7a0322d28107dbd06750e803a9e35a019dd
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            _is7z.dll
            • Path C:\Users\Admin\AppData\Local\Temp\is-P5ZT8G7LSC.tmp\_isetup\_is7z.dll
            • Size 971KB
            • SHA256 f97cda058bfe97a7e9ced5cde7018bbc26e35155c3c7405c6146808f8d06806d
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            _isdecmp.dll
            • Path C:\Users\Admin\AppData\Local\Temp\is-P5ZT8G7LSC.tmp\_isetup\_isdecmp.dll
            • Size 28KB
            • SHA256 8287d0e287a66ee78537c8d1d98e426562b95c50f569b92cea9ce36a9fa57e64
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            is-B6ETIJQXQG.tmp
            • Path C:\Users\Admin\AppData\Local\Temp\is-P5ZT8G7LSC.tmp\zulu21.46.19-ca-jre21.0.9-win_x64\conf\security\policy\unlimited\is-B6ETIJQXQG.tmp
            • Size 146B
            • SHA256 758b930a526fc670ab7537f8c26321527050a31f5f42149a2dda623c56a0a1a9
            • MD5 SHA1 SHA512 TLSH
            Submit Download

            is-B0MOWBPJNO.tmp
            • Path C:\Users\Admin\AppData\Local\Temp\is-P5ZT8G7LSC.tmp\zulu21.46.19-ca-jre21.0.9-win_x64\legal\com.azul.tooling\is-B0MOWBPJNO.tmp
            • Size 49B
            • SHA256 ebf9777bd307ed789ceabf282a9aca168c391c7f48e15a60939352efb3ea33f9
            • MD5 SHA1 SHA512
            Submit Download

            is-I84NKVZOS4.tmp
            • Path C:\Users\Admin\AppData\Local\Temp\is-P5ZT8G7LSC.tmp\zulu21.46.19-ca-jre21.0.9-win_x64\legal\com.azul.tooling\is-I84NKVZOS4.tmp
            • Size 33B
            • SHA256 86e0516b888276a492b19f9a84f5a866ed36925fae1510b3a94a0b6213e69192
            • MD5 SHA1 SHA512
            Submit Download

            is-NJM86P7AVY.tmp
            • Path C:\Users\Admin\AppData\Local\Temp\is-P5ZT8G7LSC.tmp\zulu21.46.19-ca-jre21.0.9-win_x64\legal\com.azul.tooling\is-NJM86P7AVY.tmp
            • Size 44B
            • SHA256 b998cda101e5a1ebcfb5ff9cddd76ed43a2f2169676592d428b7c0d780665f2a
            • MD5 SHA1 SHA512
            Submit Download

            memory/2380-807-0x000000000E350000-0x000000000E3CC000-memory.dmp
            Download

            memory/4732-616-0x00000133801E0000-0x00000133802E0000-memory.dmp
            Download

            memory/4732-649-0x0000013393EA0000-0x0000013393FA0000-memory.dmp
            Download

            memory/4732-667-0x0000013383E20000-0x0000013383E40000-memory.dmp
            Download

            memory/4732-681-0x00000133942A0000-0x00000133942C0000-memory.dmp
            Download

            memory/4732-648-0x0000013383A40000-0x0000013383A60000-memory.dmp
            Download

            memory/5100-28-0x0000000000BF0000-0x0000000000F88000-memory.dmp
            Download

            memory/5100-612-0x0000000000BF0000-0x0000000000F88000-memory.dmp
            Download

            memory/5100-614-0x0000000000BF0000-0x0000000000F88000-memory.dmp
            Download

            memory/5100-25-0x0000000000BF0000-0x0000000000F88000-memory.dmp
            Download

            memory/5100-8-0x0000000000F1D000-0x0000000000F1F000-memory.dmp
            Download

            memory/5100-23-0x0000000000BF0000-0x0000000000F88000-memory.dmp
            Download

            memory/5100-806-0x0000000000BF0000-0x0000000000F88000-memory.dmp
            Download

            memory/5100-9-0x0000000000BF0000-0x0000000000F88000-memory.dmp
            Download

            memory/6072-2-0x00000000003F0000-0x00000000004CD000-memory.dmp
            Download

            memory/6072-21-0x00000000003F0000-0x00000000004CD000-memory.dmp
            Download

            memory/6072-0-0x00000000004AD000-0x00000000004AE000-memory.dmp
            Download