Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    09/08/2026, 13:17

General

  • Target
    XyronMacro_Setup.msi
  • Size 872KB
  • Sample260809-qje5wsfm21
  • SHA256 c1bd1936b653e0a93f3f1561a7767f44a90852e1740e7cf7197f64300f5badf1
  • 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:2780
  • 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:5244
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 152959828D2868F4B7FC3C79F20A7249 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:4420
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:5096
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:3412

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          e59d6fe.rbs

          • Path C:\Config.Msi\e59d6fe.rbs
          • Size 8KB
          • SHA256 f555cb67b7e9afdadb43fbc69d0d3d3d485c9592072ff8a9cd75a527a85a9395
          • MD5 SHA1 SHA512 SSDEEP TLSH

          XyronMacroPremium.exe

          • Path C:\Program Files\Xyron Premium Macro Pro\XyronMacroPremium.exe
          • Size 584KB
          • SHA256 6191d8d39c0bb2b28183301cf83d79563fb6475a0003f6fcf52aa6d2b7b3bf14
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSI7EDB.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSI7EDB.tmp
          • Size 113KB
          • SHA256 aecd2d2fe766f6d439acc2bbf1346930ecc535012cf5ad7b3273d2875237b7e7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          e59d6fd.msi

          • Path C:\Windows\Installer\e59d6fd.msi
          • Size 872KB
          • SHA256 c1bd1936b653e0a93f3f1561a7767f44a90852e1740e7cf7197f64300f5badf1
          • MD5 SHA1 SHA512 SSDEEP TLSH

          metadata-2

          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 26.1MB
          • SHA256 afce7f7c9da858c8fd3a310e44aa9eb0996ce4db956277036317760f3424ce8f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          {52d142dd-de67-4dc4-8ca2-0fba96d4a61f}_OnDiskSnapshotProp

          • Path \??\Volume{c576ab2f-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{52d142dd-de67-4dc4-8ca2-0fba96d4a61f}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 1d15c9f314294a3fb08dd0c5978e6ac59b32e46d96101510a0cad5f12e720649
          • MD5 SHA1 SHA512 SSDEEP TLSH