Analysis

  • max time kernel
    148s
  • max time network
    115s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    08/08/2026, 20:18

General

  • Target
    XyronMacro_Setup.msi
  • Size 2.2MB
  • Sample260808-y3fjrsfc96
  • SHA256 01a26d1252525f053c4abc93b19af8677a1733c40c7f4897363e6c66e5bbb08b
  • 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:5732
  • 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:5868
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 598DE867804B4DB259DAC61059C02EBE C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:4448
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:4108
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:5720

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          e5a2751.rbs

          • Path C:\Config.Msi\e5a2751.rbs
          • Size 8KB
          • SHA256 3bdf863d90d4b671427b338c6191f61bff072d95f6ffc0bf1be863a2f25e30a8
          • MD5 SHA1 SHA512 SSDEEP TLSH

          XyronMacroPremium.exe

          • Path C:\Program Files\Xyron Premium Macro Pro\XyronMacroPremium.exe
          • Size 565KB
          • SHA256 d34d80f48df6393f66176a09cbea3522c165e70150d9b0e6236dfe36e6f36767
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSICEEF.tmp

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

          e5a2750.msi

          • Path C:\Windows\Installer\e5a2750.msi
          • Size 2.2MB
          • SHA256 01a26d1252525f053c4abc93b19af8677a1733c40c7f4897363e6c66e5bbb08b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          metadata-2

          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 26.1MB
          • SHA256 964c8f5463327959f60ccedbd70c4e45d827073243e57104cd941acd70f8b2f5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          {0755732e-3212-44f6-affa-5fd579dfcc87}_OnDiskSnapshotProp

          • Path \??\Volume{c61fbfff-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{0755732e-3212-44f6-affa-5fd579dfcc87}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 4a9e69fa7e406174b1398921ee9abd8d76cee35b1b48020a84b5b6e56410805d
          • MD5 SHA1 SHA512 SSDEEP TLSH