Resubmissions

15/09/2026, 11:29

260915-nlkgaatzg1

07/08/2026, 14:21

260807-rn2ecsfm2v10

07/08/2026, 14:20

260807-rnv8cazwds

06/08/2026, 22:19

260806-18tppa1gqf10

06/08/2026, 22:01

260806-1w8m3svsfz10

06/08/2026, 03:44

260806-ear8baff4610

10/07/2026, 00:11

260710-agy7zsct5t10

Analysis

  • max time kernel
    599s
  • max time network
    553s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    06/08/2026, 03:44

General

  • Target
    4134aa6962ce37a46a86a788a2b28d931ca6dec6281c82349ecabfdf434317da.msi
  • Size 1.1MB
  • Sample260806-ear8baff46
  • SHA256 4134aa6962ce37a46a86a788a2b28d931ca6dec6281c82349ecabfdf434317da
  • MD5 SHA1 SHA512 SSDEEP TLSH

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.

  • Checks QEMU agent state file 2 TTPs 2 IoCs

    Checks state file used by QEMU agent, possibly to detect virtualization.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Enumerates connected drives 3 TTPs 48 IoCs

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

  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 12 IoCs
  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
  • 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.

  • Checks SCSI registry key(s) 3 TTPs 64 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Modifies registry class 38 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 56 IoCs
  • Suspicious use of SendNotifyMessage 47 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 5 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.

  • Uses Volume Shadow Copy WMI provider

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

  • Uses Volume Shadow Copy service COM API

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

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\4134aa6962ce37a46a86a788a2b28d931ca6dec6281c82349ecabfdf434317da.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:6136
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2304
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:5408
    • C:\Windows\Installer\MSI98AD.tmp
      "C:\Windows\Installer\MSI98AD.tmp"
      2⤵
      • Checks QEMU agent state file
      • Executes dropped EXE
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3136
      • C:\Windows\Installer\MSI98AD.tmp
        "C:\Windows\Installer\MSI98AD.tmp"
        3⤵
        • Checks QEMU agent state file
        • Loads dropped DLL
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • System Location Discovery: System Language Discovery
        PID:3944
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious use of AdjustPrivilegeToken
    PID:2776
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:756
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:5912
      • 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:2300
    • 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:4048
    • 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:3288

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          e5992a4.rbs

          • Path C:\Config.Msi\e5992a4.rbs
          • Size 681B
          • SHA256 afc750ba2cac8bbe1c8306d7e270698eeff9506958f9dc41ece7e540ce746b4e
          • MD5 SHA1 SHA512 TLSH

          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 595B
          • SHA256 d4e60617c2afab8263febabe7f14f18595715078d71307a8cefe0707dae76dee
          • MD5 SHA1 SHA512 TLSH

          MSI98AD.tmp

          • Path C:\Windows\Installer\MSI98AD.tmp
          • Size 1.1MB
          • SHA256 636b74df9b26f51ec33c81f648d5bfb6da7cc7092c59d9c4922e0a9f0d3c947c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          metadata-2

          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 26.1MB
          • SHA256 ca344a9d687c44b6afd1a4ae8f243ce05ada7bb6fbb9d6941ec9e5c675a6a10e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          {05584ef8-51ce-4067-92f0-06a1875ab972}_OnDiskSnapshotProp

          • Path \??\Volume{ca73a981-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{05584ef8-51ce-4067-92f0-06a1875ab972}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 66f93519bfe4cef7768f555ef110bcfd439c8ba99916a1ae40b053f198e4b07f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/3288-40-0x0000014F001E0000-0x0000014F002E0000-memory.dmp

          memory/3288-45-0x0000014F03A10000-0x0000014F03A30000-memory.dmp

          memory/3288-85-0x0000014F15710000-0x0000014F15730000-memory.dmp

          memory/3288-46-0x0000014F03E50000-0x0000014F03F50000-memory.dmp

          memory/3288-71-0x0000014F03C70000-0x0000014F03C90000-memory.dmp

          memory/3944-170-0x0000000000400000-0x000000000055D000-memory.dmp