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
    29/07/2026, 19:09

General

  • Target
    Install_28n002.msi
  • Size 5.7MB
  • Sample260729-xva4msek21
  • SHA256 859040fd7bca7322ad95a3a466e537f2e4676d05f3958f24b4b56f6f6b2900fd
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Loads dropped DLL 1 IoCs
  • Badlisted process makes network request 9 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 4 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_28n002.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:4520
  • 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:5000
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1924
    • C:\Windows\System32\MsiExec.exe
      C:\Windows\System32\MsiExec.exe -Embedding BAC8C2564A29A7EFB51F74D7B65B7648 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:264
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious use of AdjustPrivilegeToken
    PID:3028

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        e58ebd3.rbs

        • Path C:\Config.Msi\e58ebd3.rbs
        • Size 7KB
        • SHA256 d3cd725cbc3c26b3c4d9fa86e6940df7efbe82c44e1a285192b0d7a8e7bf02e0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MSIECFC.tmp

        • Path C:\Windows\Installer\MSIECFC.tmp
        • Size 5.7MB
        • SHA256 f2f0cc6f7b1e3334ca03256781a86ab7c7c728a28de49714dde0e915fa4eb146
        • MD5 SHA1 SHA512 SSDEEP TLSH

        e58ebd2.msi

        • Path C:\Windows\Installer\e58ebd2.msi
        • Size 5.7MB
        • SHA256 859040fd7bca7322ad95a3a466e537f2e4676d05f3958f24b4b56f6f6b2900fd
        • MD5 SHA1 SHA512 SSDEEP TLSH

        metadata-2

        • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
        • Size 24.1MB
        • SHA256 a96ce0660096dd25f6bc5a2c3039e999347ac1c631876c2de44a9d77f0c888c7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {dc1bf39c-89c4-4c9a-9601-5010836d1b96}_OnDiskSnapshotProp

        • Path \??\Volume{20c84cf9-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{dc1bf39c-89c4-4c9a-9601-5010836d1b96}_OnDiskSnapshotProp
        • Size 6KB
        • SHA256 be2a67292803c6c0d29b18501c13958f3d9425a18f11ef147befda1dc113c74a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/264-13-0x00007FF91A590000-0x00007FF91ABE2000-memory.dmp

        memory/264-12-0x00007FF939450000-0x00007FF939452000-memory.dmp

        memory/264-16-0x00007FF92A430000-0x00007FF92A440000-memory.dmp

        memory/264-23-0x00007FF92A430000-0x00007FF92A440000-memory.dmp

        memory/264-40-0x00007FF92A430000-0x00007FF92A440000-memory.dmp