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Analysis

  • max time kernel
    155s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/12/2022, 11:37

General

  • Target

    f23c27c413057db5a7640831332d3ca92775a56a5883ed946ccb58506d17f975.exe

  • Size

    620KB

  • MD5

    49ccb9a7b4617858e3bc7e90a3211e1a

  • SHA1

    61df52c3259682c21b8ea0595def9e184b8a5c34

  • SHA256

    f23c27c413057db5a7640831332d3ca92775a56a5883ed946ccb58506d17f975

  • SHA512

    476f8e5680e96239956163517346f8394634120b87569124a00bc15f601eaea4a8a147c25f2321c4978dfcfb322064440be01e60ef2d7a647109dd44b06cd8fd

  • SSDEEP

    12288:XoTxdR5JFZbCARQ6+8cGuHhUgw7A3JwlEtMUz3p:exddrHRQ/xan8yitM25

Malware Config

Signatures

  • Modifies firewall policy service 2 TTPs 10 IoCs
  • Adds policy Run key to start application 2 TTPs 2 IoCs
  • Modifies Installed Components in the registry 2 TTPs 4 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Suspicious use of SetThreadContext 2 IoCs
  • Modifies registry key 1 TTPs 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 36 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 40 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f23c27c413057db5a7640831332d3ca92775a56a5883ed946ccb58506d17f975.exe
    "C:\Users\Admin\AppData\Local\Temp\f23c27c413057db5a7640831332d3ca92775a56a5883ed946ccb58506d17f975.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3996
    • C:\Users\Admin\AppData\Local\Temp\f23c27c413057db5a7640831332d3ca92775a56a5883ed946ccb58506d17f975.exe
      "C:\Users\Admin\AppData\Local\Temp\f23c27c413057db5a7640831332d3ca92775a56a5883ed946ccb58506d17f975.exe"
      2⤵
      • Writes to the Master Boot Record (MBR)
      • Suspicious use of SetThreadContext
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1256
      • C:\Users\Admin\AppData\Local\Temp\f23c27c413057db5a7640831332d3ca92775a56a5883ed946ccb58506d17f975.exe
        "C:\Users\Admin\AppData\Local\Temp\f23c27c413057db5a7640831332d3ca92775a56a5883ed946ccb58506d17f975.exe"
        3⤵
        • Adds policy Run key to start application
        • Modifies Installed Components in the registry
        • Adds Run key to start application
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1588
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:1824
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
            5⤵
            • Modifies firewall policy service
            • Modifies registry key
            PID:2272
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Local\Temp\f23c27c413057db5a7640831332d3ca92775a56a5883ed946ccb58506d17f975.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\f23c27c413057db5a7640831332d3ca92775a56a5883ed946ccb58506d17f975.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:3636
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Local\Temp\f23c27c413057db5a7640831332d3ca92775a56a5883ed946ccb58506d17f975.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\f23c27c413057db5a7640831332d3ca92775a56a5883ed946ccb58506d17f975.exe:*:Enabled:Windows Messanger" /f
            5⤵
            • Modifies firewall policy service
            • Modifies registry key
            PID:3624
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\ND6H3IV2LM.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\ND6H3IV2LM.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:4832
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\ND6H3IV2LM.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\ND6H3IV2LM.exe:*:Enabled:Windows Messanger" /f
            5⤵
            • Modifies firewall policy service
            • Modifies registry key
            PID:2064
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:2188
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
            5⤵
            • Modifies firewall policy service
            • Modifies registry key
            PID:2712

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1256-136-0x0000000000400000-0x0000000000474000-memory.dmp

    Filesize

    464KB

  • memory/1256-145-0x0000000000400000-0x0000000000474000-memory.dmp

    Filesize

    464KB

  • memory/1256-147-0x0000000000400000-0x0000000000474000-memory.dmp

    Filesize

    464KB

  • memory/1588-157-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/1588-141-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/1588-146-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/3996-132-0x0000000000400000-0x000000000049B000-memory.dmp

    Filesize

    620KB