Overview

overview

10

Static

static

5

d4b6d3abac...04.exe

windows10-2004-x64

10

d4b6d3abac...04.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    152s
  • max time network
    149s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260706-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260706-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    07/07/2026, 11:39

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General

  • Target
    d4b6d3abac79bfa91ca900d7bbfccd83988fabb91fb28879cb9dca8198596004.exe
  • Size 219.0MB
  • Sample260707-nslypad13q
  • SHA256 d4b6d3abac79bfa91ca900d7bbfccd83988fabb91fb28879cb9dca8198596004
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
adwarediscoverydownloaderguloaderpersistencespyware

Malware Config

Signatures

  • Family: Guloader,Cloudeye

    A shellcode based downloader first seen in 2020.

    downloaderguloader
  • 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
  • Loads dropped DLL 7 IoCs
  • 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 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • 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
  • 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 37 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 36 IoCs
  • Suspicious use of FindShellTrayWindow 54 IoCs
  • Suspicious use of SendNotifyMessage 40 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d4b6d3abac79bfa91ca900d7bbfccd83988fabb91fb28879cb9dca8198596004.exe
    "C:\Users\Admin\AppData\Local\Temp\d4b6d3abac79bfa91ca900d7bbfccd83988fabb91fb28879cb9dca8198596004.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:3512
    • C:\Users\Admin\AppData\Local\Temp\d4b6d3abac79bfa91ca900d7bbfccd83988fabb91fb28879cb9dca8198596004.exe
      "C:\Users\Admin\AppData\Local\Temp\d4b6d3abac79bfa91ca900d7bbfccd83988fabb91fb28879cb9dca8198596004.exe"
      2⤵
        PID:5244
      • C:\Users\Admin\AppData\Local\Temp\d4b6d3abac79bfa91ca900d7bbfccd83988fabb91fb28879cb9dca8198596004.exe
        "C:\Users\Admin\AppData\Local\Temp\d4b6d3abac79bfa91ca900d7bbfccd83988fabb91fb28879cb9dca8198596004.exe"
        2⤵
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1072
        • C:\Users\Admin\AppData\Local\Temp\d4b6d3abac79bfa91ca900d7bbfccd83988fabb91fb28879cb9dca8198596004.exe
          "C:\Users\Admin\AppData\Local\Temp\d4b6d3abac79bfa91ca900d7bbfccd83988fabb91fb28879cb9dca8198596004.exe"
          3⤵
            PID:1556
      • C:\Windows\system32\sihost.exe
        sihost.exe
        1⤵
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        PID:1652
        • 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:3264
      • 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:2124
      • 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:3752

      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

            LangDLL.dll
            • Path C:\Users\Admin\AppData\Local\Temp\nssD83B.tmp\LangDLL.dll
            • Size 5KB
            • SHA256 09acfc5ee34a1dfa1af3a9d34f00c3b1327b56641feebd536e13752349c08ac8
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            System.dll
            • Path C:\Users\Admin\AppData\Local\Temp\nssD83B.tmp\System.dll
            • Size 12KB
            • SHA256 7a9ddee34562cd3703f1502b5c70e99cd5bba15de2b6845a3555033d7f6cb2a5
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            memory/1072-39-0x0000000000490000-0x0000000001776000-memory.dmp
            Download

            memory/1072-37-0x0000000001780000-0x0000000003EB1000-memory.dmp
            Download

            memory/1072-40-0x0000000001780000-0x0000000003EB1000-memory.dmp
            Download

            memory/2124-73-0x0000022701C20000-0x0000022701C40000-memory.dmp
            Download

            memory/2124-46-0x00000227001E0000-0x00000227002E0000-memory.dmp
            Download

            memory/2124-45-0x00000227001E0000-0x00000227002E0000-memory.dmp
            Download

            memory/2124-91-0x00000227041A0000-0x00000227041C0000-memory.dmp
            Download

            memory/2124-60-0x0000022701E20000-0x0000022701F20000-memory.dmp
            Download

            memory/2124-58-0x00000227019E0000-0x0000022701A00000-memory.dmp
            Download

            memory/2124-47-0x00000227001E0000-0x00000227002E0000-memory.dmp
            Download

            memory/3264-224-0x0000000004550000-0x0000000004594000-memory.dmp
            Download

            memory/3512-38-0x0000000005940000-0x0000000008071000-memory.dmp
            Download

            memory/3512-36-0x0000000073E05000-0x0000000073E06000-memory.dmp
            Download

            memory/3512-35-0x0000000005940000-0x0000000008071000-memory.dmp
            Download

            memory/3752-225-0x00000251BBA20000-0x00000251BBB1F000-memory.dmp
            Download