Analysis

  • max time kernel
    34s
  • max time network
    37s
  • platform
    windows11-21h2_x64
  • resource
    win11-20241007-en
  • resource tags

    arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    18/10/2024, 14:19

General

  • Target
    capcut_capcutpc_invitefission_1.2.4_installer.exe
  • Size 2.2MB
  • Sample241018-rm6yfstemm
  • SHA256 aa8ff4d4c4505f9245ae995be2fee8f6a78b1167126e613490e1c22549bdf142
  • MD5 SHA1 SHA512 SSDEEP
Score
4/10

Malware Config

Signatures

  • Loads dropped DLL 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 11 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\capcut_capcutpc_invitefission_1.2.4_installer.exe
    "C:\Users\Admin\AppData\Local\Temp\capcut_capcutpc_invitefission_1.2.4_installer.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2488
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\System32\cmd.exe /c wmic csproduct get Name,UUID /value
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2404
      • C:\Windows\SysWOW64\Wbem\WMIC.exe
        wmic csproduct get Name,UUID /value
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:648
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\System32\cmd.exe /c wmic os get SerialNumber,Caption,BuildNumber,Version /value
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3444
      • C:\Windows\SysWOW64\Wbem\WMIC.exe
        wmic os get SerialNumber,Caption,BuildNumber,Version /value
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:4956
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\System32\cmd.exe /c wmic path Win32_VideoController get CurrentVerticalResolution,CurrentHorizontalResolution /value
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3116
      • C:\Windows\SysWOW64\Wbem\WMIC.exe
        wmic path Win32_VideoController get CurrentVerticalResolution,CurrentHorizontalResolution /value
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3204
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\System32\cmd.exe /c wmic nicconfig get DefaultIPGateway,macaddress
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:396
      • C:\Windows\SysWOW64\Wbem\WMIC.exe
        wmic nicconfig get DefaultIPGateway,macaddress
        3⤵
        • System Location Discovery: System Language Discovery
        PID:808
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\System32\cmd.exe /c wmic diskdrive get SerialNumber /value
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1544
      • C:\Windows\SysWOW64\Wbem\WMIC.exe
        wmic diskdrive get SerialNumber /value
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3312

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        BgWorker.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsiCDFF.tmp\BgWorker.dll
        • Size 2KB
        • SHA256 50f735ab8f3473423e6873d628150bbc0777be7b4f6405247cddf22bb00fb6be
        • MD5 SHA1 SHA512

        System.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsiCDFF.tmp\System.dll
        • Size 12KB
        • SHA256 3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca
        • MD5 SHA1 SHA512 SSDEEP

        deviceregister_shared.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsiCDFF.tmp\deviceregister_shared.dll
        • Size 226KB
        • SHA256 7c2a74c4be8d524a121e78e763c05c7b5cb58b524119ac8897c493e717a1d42a
        • MD5 SHA1 SHA512 SSDEEP

        downloader_nsis_plugin.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsiCDFF.tmp\downloader_nsis_plugin.dll
        • Size 1.2MB
        • SHA256 3ef7a13886328dafba1c49ec096da122e63839ac6965bf4f3d4dcce3a35ccc6d
        • MD5 SHA1 SHA512 SSDEEP

        shell_downloader.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsiCDFF.tmp\shell_downloader.dll
        • Size 2.2MB
        • SHA256 0c4abb66d9a69c80cfaa0eb3c988d4dc40d989843a87e95ed3cc6e75dae31559
        • MD5 SHA1 SHA512 SSDEEP