Overview

overview

7

Static

static

3

SmartTagOI...er.msi

windows10-2004-x64

7

SmartTagOI...er.msi

windows11-21h2-x64

7

Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    22/05/2026, 18:12

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General

  • Target
    SmartTagOI.Installer.msi
  • Size 528KB
  • Sample260522-wtk2saez3z
  • SHA256 160008b493355c0ea6c33077e8e1d65ac4d4f46d54c8c6500a9b691b85e0319b
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
discoverypersistenceprivilege_escalationransomware

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.

    persistenceprivilege_escalation
  • 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 14 IoCs
  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
    persistenceprivilege_escalation
  • 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.

    discovery
  • 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.

    ransomware

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:5124
  • 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:5400
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 5CF02B989DBFF1237D2DBF7B4F4855D0 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:5408
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:3888
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding AFAE15D7A989317AAEBDFE81CC242C83
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:1668
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:5240

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          e58b4d5.rbs
          • Path C:\Config.Msi\e58b4d5.rbs
          • Size 17KB
          • SHA256 554e67108d6f2bd906a4a66e727e35cbef43a0acb0ac7ae6b122704981d487f8
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          MSI31B9.tmp
          • Path C:\Users\Admin\AppData\Local\Temp\MSI31B9.tmp
          • Size 298KB
          • SHA256 da1fe86141c446921021bb26b6fe2bd2d1bb51e3e614f46f8103ffad8042f2c0
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          e58b4d4.msi
          • Path C:\Windows\Installer\e58b4d4.msi
          • Size 528KB
          • SHA256 160008b493355c0ea6c33077e8e1d65ac4d4f46d54c8c6500a9b691b85e0319b
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          metadata-2
          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 24.6MB
          • SHA256 01260e15a7c6bf0806586e2d460238c0ad94f0ce466726dc7e8fc3c8999e47e7
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          {f5031ba6-8180-4424-857d-2a43adf7c4da}_OnDiskSnapshotProp
          • Path \??\Volume{13ce4998-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{f5031ba6-8180-4424-857d-2a43adf7c4da}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 34043dcf863567c4840accbf070e711ade9b922f88703cc425e2046532bbe6b0
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download