Analysis

  • user interaction
    yes
  • max time kernel
    148s
  • max time network
    136s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    22/07/2026, 15:24

General

  • Target
    ee4p_pm (1).msi
  • Size 124.5MB
  • Sample260722-stchvstygx
  • SHA256 2446b07ee36fcc553c911d3bf3e5f0cb9d11bbe9e35e9d5b4f342b8244254509
  • MD5 SHA1 SHA512 SSDEEP TLSH

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.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 23 IoCs
  • Badlisted process makes network request 2 IoCs

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

  • Drops desktop.ini file(s) 1 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 64 IoCs
  • Drops file in Windows directory 34 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies data under HKEY_USERS 23 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I "C:\Users\Admin\AppData\Local\Temp\ee4p_pm (1).msi"
    1⤵
    • Badlisted process makes network request
    • Enumerates connected drives
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:4792
  • 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 data under HKEY_USERS
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2256
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 04DD41327EA1A5035787EB76DC2E8577 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:4852
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 69E390E5D6D0BEB9F1B977CFBBE47D36
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:5656
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding C7061DB835A402045A125668F3301773 E Global\MSI0000
      2⤵
      • Loads dropped DLL
      • Drops desktop.ini file(s)
      • Drops file in Program Files directory
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Modifies data under HKEY_USERS
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:1524
    • C:\Windows\Installer\MSIC04.tmp
      "C:\Windows\Installer\MSIC04.tmp" eventcreate /ID 1 /L APPLICATION /T INFORMATION /SO "Efficient Elements for presentations" /D "Event Source Created"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies data under HKEY_USERS
      • Suspicious use of WriteProcessMemory
      PID:1748
      • C:\Windows\SysWOW64\eventcreate.exe
        "C:\Windows\System32\eventcreate.exe" /ID 1 /L APPLICATION /T INFORMATION /SO "Efficient Elements for presentations" /D "Event Source Created"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1268
    • C:\Windows\Installer\MSI1149.tmp
      "C:\Windows\Installer\MSI1149.tmp" /s /u
      2⤵
      • Executes dropped EXE
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      PID:4156

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        e59bdb9.rbs

        • Path C:\Config.Msi\e59bdb9.rbs
        • Size 4.9MB
        • SHA256 e9183e1ba9cfe3be587086fe74e2ad1d699977a93587021c48a7982a1aac2705
        • MD5 SHA1 SHA512 SSDEEP TLSH

        e59bdbb.rbs

        • Path C:\Config.Msi\e59bdbb.rbs
        • Size 491B
        • SHA256 4916098d94014792088b4b38df85787b1d3c6cfde020fa79ad23339e082afb2e
        • MD5 SHA1 SHA512 TLSH

        Program.xml

        • Path C:\Program Files (x86)\Efficient Elements\Efficient Elements for presentations\Program\Program.xml
        • Size 655B
        • SHA256 a9953460fc7770e149d514f2610e30c6b3ac3843815815d2c3380ad3c200ea97
        • MD5 SHA1 SHA512 TLSH

        Indents.xml

        • Path C:\ProgramData\Efficient Elements\Efficient Elements for presentations\Customization\Style_Shadow\Indents.xml
        • Size 6KB
        • SHA256 cf66f9a28a141f22c209ab2bb061d9c925b2aa9137649440ef00f4f4168033c3
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MasterWizard.xml

        • Path C:\ProgramData\Efficient Elements\Efficient Elements for presentations\Customization\Style_Shadow\MasterWizard.xml
        • Size 2KB
        • SHA256 4ec4e86e682d85d796d755d37df8c5caa87d129889fee3ba6602b8d2dabcdbc9
        • MD5 SHA1 SHA512 TLSH

        ProjectPlan.xml

        • Path C:\ProgramData\Efficient Elements\Efficient Elements for presentations\Customization\Style_Shadow\ProjectPlan.xml
        • Size 12KB
        • SHA256 dcb7005a688ef32e0c07c0309b616905bb3a0717886815d5b5eafe8ccbb4f347
        • MD5 SHA1 SHA512 SSDEEP TLSH

        SmartElements.xml

        • Path C:\ProgramData\Efficient Elements\Efficient Elements for presentations\Customization\Style_Shadow\SmartElements.xml
        • Size 11KB
        • SHA256 c5374651d78989de09cc5e1a860c5d1584e1717f03fcc2be288ae5f467374730
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ColorPalette.xml

        • Path C:\ProgramData\Efficient Elements\Efficient Elements for presentations\Customization\Style_Shadow_AR\ColorPalette.xml
        • Size 1KB
        • SHA256 39f853a71b371278df160a743e229a990b15f877e3fa07634e8a00e73611ab0a
        • MD5 SHA1 SHA512 TLSH

        MSI91C6.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\MSI91C6.tmp
        • Size 738KB
        • SHA256 8d3e94c47af3da706a9fe9e4428b2fefd5e9e6c7145e96927fffdf3dd5e472b8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MSI9574.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\MSI9574.tmp
        • Size 199KB
        • SHA256 8fdea6b9bf9b87857fc5d5b3d84ce0fb03d4e23daf694db1e08ecba6c35170b2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MSI9799.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\MSI9799.tmp
        • Size 1.1MB
        • SHA256 34fe948e2b005a424f4e8aff9d9ef847d5623b99196fe5f5e9bff4983770d95a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MSI1149.tmp

        • Path C:\Windows\Installer\MSI1149.tmp
        • Size 158KB
        • SHA256 8de5310615294af0baf6b662b53146be0d39f0ec574b9cfc175ab03f9c5e40de
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MSIC04.tmp

        • Path C:\Windows\Installer\MSIC04.tmp
        • Size 419KB
        • SHA256 2498aca74afe7cd4cae778e635042f84246137a18d43f1b11a27aaae6b4edb4f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MSICEC8.tmp

        • Path C:\Windows\Installer\MSICEC8.tmp
        • Size 868KB
        • SHA256 f7a548861c26fd64cdd96f03f1e77db9cbe5de139bad5c897444752615c34182
        • MD5 SHA1 SHA512 SSDEEP TLSH

        EfficientElementsCleaner_log_260722-162631.txt

        • Path C:\Windows\SystemTemp\EfficientElementsCleaner_log_260722-162631.txt
        • Size 2KB
        • SHA256 14538b6c7c0311d10c5471941bdac1830171bf05ed35b41b5814c73bd1b4ddc7
        • MD5 SHA1 SHA512 TLSH

        memory/4156-3312-0x0000000000730000-0x000000000075A000-memory.dmp

        memory/4156-3313-0x0000000005680000-0x0000000005C3A000-memory.dmp

        memory/4156-3314-0x0000000005160000-0x00000000051F2000-memory.dmp