Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    22/05/2026, 18:12

General

  • Target
    SmartTagOI.Installer.msi
  • Size 528KB
  • Sample260522-wtk2saez3z
  • SHA256 160008b493355c0ea6c33077e8e1d65ac4d4f46d54c8c6500a9b691b85e0319b
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Event Triggered Execution: Component Object Model Hijacking 1 TTPs

    Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

  • Loads dropped DLL 4 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 3 IoCs
  • Drops file in Windows directory 10 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 5 IoCs

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

  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 3 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\SmartTagOI.Installer.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:1972
  • 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 registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3912
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 92DA34A4933BD5A54C3097AE25A50C96 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:5012
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:4740
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 937B9F94B90BACE7DAC2074865044FD9
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:4028
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:876

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          e588549.rbs

          • Path C:\Config.Msi\e588549.rbs
          • Size 17KB
          • SHA256 52b86001ea8c58f4214f1c5bbca5ef1d9ec659213dfc59b0f6804a58875e964a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSIFCA0.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSIFCA0.tmp
          • Size 298KB
          • SHA256 da1fe86141c446921021bb26b6fe2bd2d1bb51e3e614f46f8103ffad8042f2c0
          • MD5 SHA1 SHA512 SSDEEP TLSH

          e588548.msi

          • Path C:\Windows\Installer\e588548.msi
          • Size 528KB
          • SHA256 160008b493355c0ea6c33077e8e1d65ac4d4f46d54c8c6500a9b691b85e0319b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          metadata-2

          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 24.1MB
          • SHA256 58f17c82f2a5c91f71a10bc9d28c45639b70306b10e2697ba655abec28a62b8f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          {0b1ccce9-af36-488f-aac5-78fce8cb0a51}_OnDiskSnapshotProp

          • Path \??\Volume{0dfc9b49-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{0b1ccce9-af36-488f-aac5-78fce8cb0a51}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 9de14eb2ec7c7ea35d4f4744be2607248944e5efcff50d3e7b7f392513d51afc
          • MD5 SHA1 SHA512 SSDEEP TLSH