Analysis

  • max time kernel
    149s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    13/08/2026, 04:13

General

  • Target
    install.1.0.41.msi
  • Size 5.1MB
  • Sample260813-etdt2agg49
  • SHA256 1409ae7f12649e3ef5cc0bf27fa2c7d00afbe24e386f1899adda937652556a1b
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Loads dropped DLL 1 IoCs
  • Badlisted process makes network request 11 IoCs

    Network request originating from process or tool commonly abused by malware.

  • 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 System32 directory 6 IoCs
  • Drops file in Windows directory 9 IoCs
  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
  • 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 9 IoCs
  • Modifies registry class 22 IoCs
  • Suspicious behavior: EnumeratesProcesses 38 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 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\install.1.0.41.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:5084
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1108
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1236
    • C:\Windows\System32\MsiExec.exe
      C:\Windows\System32\MsiExec.exe -Embedding 243373685B2BDCB4BEC8188C36388807 E Global\MSI0000
      2⤵
      • Loads dropped DLL
      • Badlisted process makes network request
      • Drops file in System32 directory
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      PID:5576
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious use of AdjustPrivilegeToken
    PID:4356

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        e583fc4.rbs

        • Path C:\Config.Msi\e583fc4.rbs
        • Size 7KB
        • SHA256 9751bdf95d4e91fc57a54b61a360bd53a8820d6138c1c41bd23c78a2230e0421
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MSI41A9.tmp

        • Path C:\Windows\Installer\MSI41A9.tmp
        • Size 5.1MB
        • SHA256 bf7bd657534b9fb48d046c6ff7e610c610316d9394e7a14855f13b6ab2ced942
        • MD5 SHA1 SHA512 SSDEEP TLSH

        e583fc3.msi

        • Path C:\Windows\Installer\e583fc3.msi
        • Size 5.1MB
        • SHA256 1409ae7f12649e3ef5cc0bf27fa2c7d00afbe24e386f1899adda937652556a1b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        metadata-2

        • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
        • Size 24.1MB
        • SHA256 74967c047cf985a0e722c354e418416042c26df149815df64782c7daac9fb0ad
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {93017a76-f2ba-4d8c-835c-96d54cadc7d2}_OnDiskSnapshotProp

        • Path \??\Volume{12d9ef41-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{93017a76-f2ba-4d8c-835c-96d54cadc7d2}_OnDiskSnapshotProp
        • Size 6KB
        • SHA256 b606446a20f1b01306283d26e07e3c1fc8706d9b77c64ce339ddc27e655dd423
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/5576-15-0x00007FFC0C370000-0x00007FFC0C9C7000-memory.dmp

        memory/5576-14-0x00007FFC2A4B0000-0x00007FFC2A4B2000-memory.dmp

        memory/5576-18-0x00007FFC1B800000-0x00007FFC1B810000-memory.dmp

        memory/5576-23-0x00007FFC1B800000-0x00007FFC1B810000-memory.dmp

        memory/5576-42-0x00007FFC1B800000-0x00007FFC1B810000-memory.dmp