Analysis

  • max time kernel
    899s
  • max time network
    573s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    03/08/2026, 04:36

General

  • Target
    Revised ERA Application.docx
  • Size 18KB
  • Sample260803-e8jc3acj5v
  • SHA256 4e03574e965d1e776c6751fe967126b278aa21d9e00d61ff91506e48320d0082
  • 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.

  • Enumerates connected drives 3 TTPs 2 IoCs

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

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

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

  • Checks processor information in registry 2 TTPs 3 IoCs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Modifies registry class 38 IoCs
  • Suspicious behavior: AddClipboardFormatListener 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 40 IoCs
  • Suspicious use of FindShellTrayWindow 52 IoCs
  • Suspicious use of SendNotifyMessage 39 IoCs
  • Suspicious use of SetWindowsHookEx 15 IoCs
  • Suspicious use of WriteProcessMemory 1 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:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\Revised ERA Application.docx" /o ""
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:4192
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:544
    • 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:1264
  • 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:3796
  • 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:4008
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:4976
    • C:\Windows\System32\SecurityHealthHost.exe
      \\?\C:\Windows\System32\SecurityHealthHost.exe {08728914-3F57-4D52-9E31-49DAECA5A80A} -Embedding
      1⤵
        PID:2472

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            57C8EDB95DF3F0AD4EE2DC2B8CFD4157

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157
            • Size 4KB
            • SHA256 0300e9ddb527990e8b59d06e9ccf3ec2bd92d3bbd0ef4fba69d6336e4195e82d
            • MD5 SHA1 SHA512 SSDEEP 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 603B
            • SHA256 76051c7134ef5b2b172ae67cc7317ea11daedcc3d11f55c52922e505f501568b
            • MD5 SHA1 SHA512 TLSH

            sist02.xsl

            • Path C:\Users\Admin\AppData\Local\Temp\TCD4D3F.tmp\sist02.xsl
            • Size 245KB
            • SHA256 ef4835db41a485b56c2ef0ff7094bc2350460573a686182bc45fd6613480e353
            • MD5 SHA1 SHA512 SSDEEP TLSH

            CUSTOM.DIC

            • Path C:\Users\Admin\AppData\Roaming\Microsoft\UProof\CUSTOM.DIC
            • Size 16B
            • SHA256 a91a702aab9b8dd722843d3d208a21bcfa6556dfc64e2ded63975de4511eb866
            • MD5 SHA1 SHA512

            ExcludeDictionaryEN0409.lex

            • Path C:\Users\Admin\AppData\Roaming\Microsoft\UProof\ExcludeDictionaryEN0409.lex
            • Size 2B
            • SHA256 b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
            • MD5 SHA1 SHA512

            fb3b0dbfee58fac8.customDestinations-ms

            • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\fb3b0dbfee58fac8.customDestinations-ms
            • Size 1KB
            • SHA256 d0d3b9d255bbb75995573fc7323c496b620bf6a374b6f77f71d2dfcc42e2fb3c
            • MD5 SHA1 SHA512 TLSH

            memory/3796-203-0x000001ED801E0000-0x000001ED802E0000-memory.dmp

            memory/3796-220-0x000001ED83B80000-0x000001ED83BA0000-memory.dmp

            memory/3796-204-0x000001ED801E0000-0x000001ED802E0000-memory.dmp

            memory/3796-249-0x000001ED945C0000-0x000001ED945E0000-memory.dmp

            memory/3796-205-0x000001ED801E0000-0x000001ED802E0000-memory.dmp

            memory/3796-215-0x000001ED83920000-0x000001ED83940000-memory.dmp

            memory/3796-216-0x000001ED93DF0000-0x000001ED93EF0000-memory.dmp

            memory/4008-405-0x0000019838B40000-0x0000019838C3F000-memory.dmp

            memory/4008-374-0x0000019838B40000-0x0000019838C3F000-memory.dmp

            memory/4008-370-0x0000019838B40000-0x0000019838C3F000-memory.dmp

            memory/4192-14-0x00007FF90A140000-0x00007FF90A150000-memory.dmp

            memory/4192-0-0x00007FF90C620000-0x00007FF90C630000-memory.dmp

            memory/4192-5-0x00007FF90C620000-0x00007FF90C630000-memory.dmp

            memory/4192-3-0x00007FF94C63F000-0x00007FF94C640000-memory.dmp

            memory/4192-2-0x00007FF90C620000-0x00007FF90C630000-memory.dmp

            memory/4192-178-0x00007FF90C620000-0x00007FF90C630000-memory.dmp

            memory/4192-179-0x00007FF90C620000-0x00007FF90C630000-memory.dmp

            memory/4192-180-0x00007FF90C620000-0x00007FF90C630000-memory.dmp

            memory/4192-181-0x00007FF90C620000-0x00007FF90C630000-memory.dmp

            memory/4192-182-0x00007FF94C4E0000-0x00007FF94C743000-memory.dmp

            memory/4192-1-0x00007FF90C620000-0x00007FF90C630000-memory.dmp

            memory/4192-35-0x00007FF94C4E0000-0x00007FF94C743000-memory.dmp

            memory/4192-4-0x00007FF94C4E0000-0x00007FF94C743000-memory.dmp

            memory/4192-6-0x00007FF94C4E0000-0x00007FF94C743000-memory.dmp

            memory/4192-8-0x00007FF94C4E0000-0x00007FF94C743000-memory.dmp

            memory/4192-13-0x00007FF90A140000-0x00007FF90A150000-memory.dmp

            memory/4192-10-0x00007FF94C4E0000-0x00007FF94C743000-memory.dmp

            memory/4192-12-0x00007FF94C4E0000-0x00007FF94C743000-memory.dmp

            memory/4192-11-0x00007FF94C4E0000-0x00007FF94C743000-memory.dmp

            memory/4192-9-0x00007FF94C4E0000-0x00007FF94C743000-memory.dmp

            memory/4192-7-0x00007FF90C620000-0x00007FF90C630000-memory.dmp