Analysis

  • max time kernel
    148s
  • max time network
    134s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    11/08/2026, 22:31

General

  • Target
    XyronMacro_Setup.msi
  • Size 876KB
  • Sample260811-2fe69stbmf
  • SHA256 b7ee958e5703d4b21d8965cbfb825e4fdcef2317d4b22ed3ce36389aade37e45
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Loads dropped DLL 1 IoCs
  • Enumerates connected drives 3 TTPs 46 IoCs

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

  • Drops file in Program Files directory 4 IoCs
  • Drops file in Windows directory 14 IoCs
  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 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 5 IoCs

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

  • Modifies data under HKEY_USERS 3 IoCs
  • Modifies registry class 23 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs
  • 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\XyronMacro_Setup.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:1084
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:5400
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 35A52F4873B380174FB38068AF112C5D C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:1624
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:3312
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:1264

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          e59d141.rbs

          • Path C:\Config.Msi\e59d141.rbs
          • Size 8KB
          • SHA256 1966cb3e40d64ee27a56da662402f757d6bb7ec439b1736856c2a4eb45318775
          • MD5 SHA1 SHA512 SSDEEP TLSH

          XyronMacroPremium.exe

          • Path C:\Program Files\Xyron Premium Macro Pro\XyronMacroPremium.exe
          • Size 590KB
          • SHA256 42cdfe3a85fb33ec8fc9e3ba4a05082e424c9afb86190600b8ee8a5ad2c76fa2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSI75F1.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSI75F1.tmp
          • Size 113KB
          • SHA256 aecd2d2fe766f6d439acc2bbf1346930ecc535012cf5ad7b3273d2875237b7e7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          e59d140.msi

          • Path C:\Windows\Installer\e59d140.msi
          • Size 876KB
          • SHA256 b7ee958e5703d4b21d8965cbfb825e4fdcef2317d4b22ed3ce36389aade37e45
          • MD5 SHA1 SHA512 SSDEEP TLSH

          metadata-2

          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 26.1MB
          • SHA256 904080877908ff999329e91d3350d12d64db0b2f1d6fdf5de4b1ddecfb921349
          • MD5 SHA1 SHA512 SSDEEP TLSH

          {8a2db2d4-ccb1-42c7-a9cb-3c84cdaf78ee}_OnDiskSnapshotProp

          • Path \??\Volume{6392210f-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{8a2db2d4-ccb1-42c7-a9cb-3c84cdaf78ee}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 adda7f603ec2fb929abf12e386a41f555aff3c58bb1b609f7cc12baaa5f65e47
          • MD5 SHA1 SHA512 SSDEEP TLSH