Analysis

  • max time kernel
    150s
  • 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
    29/07/2026, 01:50

General

  • Target
    Install_28n001.msi
  • Size 7.7MB
  • Sample260729-b9a7asde52
  • SHA256 20f905e5707b1da7873d3d782d243975ab7839ce641359cb84cdb38c55b20700
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Loads dropped DLL 1 IoCs
  • Badlisted process makes network request 12 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 8 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_28n001.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:1700
  • 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:1380
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1232
    • C:\Windows\System32\MsiExec.exe
      C:\Windows\System32\MsiExec.exe -Embedding 11ECF9ECE7EB9FEFC20D6F9BB6DCA9F2 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:3604
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious use of AdjustPrivilegeToken
    PID:4788

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        e58eed1.rbs

        • Path C:\Config.Msi\e58eed1.rbs
        • Size 7KB
        • SHA256 3d70f9bbc3a91502c8d67b66b3fac382f41de13056ce840543eb1b24bf2e300c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MSIF077.tmp

        • Path C:\Windows\Installer\MSIF077.tmp
        • Size 7.7MB
        • SHA256 8e94f1b2fd82b6e354f845b45782f03202b1decdf3f32b7a6446cae4e7ac1ecc
        • MD5 SHA1 SHA512 SSDEEP TLSH

        e58eed0.msi

        • Path C:\Windows\Installer\e58eed0.msi
        • Size 7.7MB
        • SHA256 20f905e5707b1da7873d3d782d243975ab7839ce641359cb84cdb38c55b20700
        • MD5 SHA1 SHA512 SSDEEP TLSH

        metadata-2

        • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
        • Size 24.1MB
        • SHA256 7810f13ce636558717adf4a4bc879aa3fb22d6af44162f563b4d0b1620988a70
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {bd41d1f7-74a4-4f55-9e2d-45f9c28f9c37}_OnDiskSnapshotProp

        • Path \??\Volume{63ef4f52-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{bd41d1f7-74a4-4f55-9e2d-45f9c28f9c37}_OnDiskSnapshotProp
        • Size 6KB
        • SHA256 ce14525fccda8c61cef5eefc5d4a79d3cd1ce07c33038569cf2a89f7f9b913a6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/3604-15-0x00007FF9F04F0000-0x00007FF9F0B51000-memory.dmp

        memory/3604-14-0x00007FFA0FB70000-0x00007FFA0FB72000-memory.dmp

        memory/3604-18-0x00007FFA00AE0000-0x00007FFA00AF0000-memory.dmp

        memory/3604-43-0x00007FFA00AE0000-0x00007FFA00AF0000-memory.dmp