Overview

overview

8

Static

static

3

Loader.exe

windows10-2004-x64

7

Loader.exe

windows11-ltsc_2024-x64

8

Analysis

  • max time kernel
    103s
  • max time network
    138s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260706-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260706-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    09/07/2026, 05:39

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General

  • Target
    Loader.exe
  • Size 9.9MB
  • Sample260709-gckblady51
  • SHA256 8d0697932f3b45448bfd0704539a2fc6e474e070798b96e1a5fb077cb13fc226
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
adwarepersistenceransomwarespyware

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 2 IoCs
  • Contacts third-party web service commonly abused for C2 1 TTPs 7 IoCs

    Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

  • Enumerates connected drives 3 TTPs 2 IoCs

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

  • Suspicious use of NtSetInformationThreadHideFromDebugger 6 IoCs
  • 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 40 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 3 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 38 IoCs
  • Suspicious use of FindShellTrayWindow 54 IoCs
  • Suspicious use of SendNotifyMessage 43 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 3 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\Loader.exe
    "C:\Users\Admin\AppData\Local\Temp\Loader.exe"
    1⤵
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious behavior: RenamesItself
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:5624
    • C:\Users\Admin\AppData\Local\Temp\Loader.exe
      "C:\Users\Admin\AppData\Local\Temp\Loader.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:5064
      • C:\Users\Admin\AppData\Local\Temp\Loader.exe
        "C:\Users\Admin\AppData\Local\Temp\Loader.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of SetWindowsHookEx
        PID:1524
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x00000000000004DC 0x00000000000004D4
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:5208
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:4564
    • 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 use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:5160
  • 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:2956
  • 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:5104

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

        manifest.json
        • Path C:\Users\Admin\AppData\Local\Penguu\Sheldon\downloads\Sheldon\manifest.json
        • Size 2B
        • SHA256 44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a
        • MD5 SHA1 SHA512
        Submit Download

        manifest.json
        • Path C:\Users\Admin\AppData\Local\Penguu\Sheldon\downloads\Sheldon\manifest.json
        • Size 64B
        • SHA256 f9e51b8063dbe426aec191b7e03eca05292e0fe42bc356e82efb36c9e39409ab
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        manifest.json.tmp
        • Path C:\Users\Admin\AppData\Local\Penguu\Sheldon\downloads\Sheldon\manifest.json.tmp
        • Size 37B
        • SHA256 cb8ee32e841fde0ad00870c33fdccb624d7cccb8e76f8eb102b918091eb8070d
        • MD5 SHA1 SHA512
        Submit Download

        Loader.exe
        • Path C:\Users\Admin\AppData\Local\Temp\Loader.exe
        • Size 9.9MB
        • SHA256 8d0697932f3b45448bfd0704539a2fc6e474e070798b96e1a5fb077cb13fc226
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/1524-39-0x00007FF7A1690000-0x00007FF7A2D9D000-memory.dmp
        Download

        memory/1524-37-0x00007FF831FF0000-0x00007FF831FF2000-memory.dmp
        Download

        memory/2956-90-0x0000021C82EC0000-0x0000021C82FC0000-memory.dmp
        Download

        memory/2956-86-0x0000021C82CC0000-0x0000021C82CE0000-memory.dmp
        Download

        memory/2956-104-0x0000021C82DC0000-0x0000021C82DE0000-memory.dmp
        Download

        memory/2956-118-0x0000021C942C0000-0x0000021C942E0000-memory.dmp
        Download

        memory/2956-70-0x0000021C801E0000-0x0000021C802E0000-memory.dmp
        Download

        memory/5064-36-0x00007FF6480C0000-0x00007FF6497CD000-memory.dmp
        Download

        memory/5064-23-0x00007FF6480C0000-0x00007FF6497CD000-memory.dmp
        Download

        memory/5064-21-0x00007FF831FF0000-0x00007FF831FF2000-memory.dmp
        Download

        memory/5104-244-0x00000151F9B70000-0x00000151F9E2C000-memory.dmp
        Download

        memory/5104-258-0x00000151F9B70000-0x00000151F9E2C000-memory.dmp
        Download

        memory/5624-0-0x00007FF64F377000-0x00007FF64F6D5000-memory.dmp
        Download

        memory/5624-19-0x00007FF64E9B0000-0x00007FF6500BD000-memory.dmp
        Download

        memory/5624-20-0x00007FF64F377000-0x00007FF64F6D5000-memory.dmp
        Download

        memory/5624-2-0x00007FF64E9B0000-0x00007FF6500BD000-memory.dmp
        Download

        memory/5624-1-0x00007FF831FF0000-0x00007FF831FF2000-memory.dmp
        Download