Analysis

  • max time kernel
    148s
  • max time network
    142s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    17/07/2026, 04:48

General

  • Target
    intall_app.66553015.msi
  • Size 7.4MB
  • Sample260717-ffae5aex6s
  • SHA256 c18bef0f3d8e2edfa61dc2fa1923529a043e5017e0200c2cbef68bfe4d8c5248
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
  • Looks for VMWare Tools registry key 2 TTPs 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Badlisted process makes network request 5 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 13 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 40 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 3 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\intall_app.66553015.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:4204
  • 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 SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:844
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:4684
    • C:\Windows\System32\MsiExec.exe
      C:\Windows\System32\MsiExec.exe -Embedding 5533837207A29FDE31CA5667B60E873E E Global\MSI0000
      2⤵
      • Looks for VirtualBox Guest Additions in registry
      • Looks for VMWare Tools registry key
      • Loads dropped DLL
      • Badlisted process makes network request
      • Drops file in System32 directory
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:5836
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious use of AdjustPrivilegeToken
    PID:3160

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        e59d0a5.rbs

        • Path C:\Config.Msi\e59d0a5.rbs
        • Size 7KB
        • SHA256 921fd9467527a1e74a349c81860b43331d474ae6d79662f56ee5c14803ddc508
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MSID623.tmp

        • Path C:\Windows\Installer\MSID623.tmp
        • Size 7.3MB
        • SHA256 16d93f4ae55ef9adf7de06de7cbfe82ba726195b4e2b2e2c1a00e9e4a882cfa3
        • MD5 SHA1 SHA512 SSDEEP TLSH

        e59d0a4.msi

        • Path C:\Windows\Installer\e59d0a4.msi
        • Size 7.4MB
        • SHA256 c18bef0f3d8e2edfa61dc2fa1923529a043e5017e0200c2cbef68bfe4d8c5248
        • MD5 SHA1 SHA512 SSDEEP TLSH

        metadata-2

        • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
        • Size 26.1MB
        • SHA256 a27785184eaf71e1bc09708c22738affdd54a418d39871f0c644ead21cc76c9d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {aed7457f-c94a-457a-abb4-ceba7a233d38}_OnDiskSnapshotProp

        • Path \??\Volume{cb1876cb-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{aed7457f-c94a-457a-abb4-ceba7a233d38}_OnDiskSnapshotProp
        • Size 6KB
        • SHA256 868fea19f53f68511dd349e7210045f2f67e6596d41b9705df406a61bda1ce37
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/5836-12-0x00007FFE28B10000-0x00007FFE28B12000-memory.dmp

        memory/5836-14-0x00007FFE05420000-0x00007FFE05A5A000-memory.dmp

        memory/5836-16-0x00007FFE13710000-0x00007FFE13722000-memory.dmp

        memory/5836-42-0x00007FFE13710000-0x00007FFE13722000-memory.dmp