Analysis

  • max time kernel
    119s
  • max time network
    108s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/11/2024, 13:50

General

  • Target

    8f828e682978c5f772dee9445ceb3640ddb9818507235778c548a304f41cec6eN.exe

  • Size

    2.4MB

  • MD5

    576462fd75fddc9b09031ec1a488e260

  • SHA1

    8d2ee60685accae9a3f96ae4a54ab4704454bdf4

  • SHA256

    8f828e682978c5f772dee9445ceb3640ddb9818507235778c548a304f41cec6e

  • SHA512

    bd51ac7a5a4919a56b7b69695a1facc038e5e631e6cf991e65fa8afa16dac78ed3681676553c330ed9081d1f291f5a29eb513944dadcf24df20f386eca2a6000

  • SSDEEP

    49152:5Ko2gzhGqxIaWeSkKkAQOQ1y7GklXRYxxTttMs+xyPFRwGJnunLp9u0XsA5cl+60:I+zhGqx3WeSkKkAQOQ1y7PlXRYxxTtt+

Malware Config

Signatures

  • Modifies firewall policy service 3 TTPs 10 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • UPX packed file 19 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 14 IoCs

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

  • Modifies registry key 1 TTPs 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 36 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 49 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8f828e682978c5f772dee9445ceb3640ddb9818507235778c548a304f41cec6eN.exe
    "C:\Users\Admin\AppData\Local\Temp\8f828e682978c5f772dee9445ceb3640ddb9818507235778c548a304f41cec6eN.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1880
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\eXVuy.bat" "
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3964
      • C:\Windows\SysWOW64\reg.exe
        REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Java(TM) Platform SE Auto Updator 2.1" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Java\uninstall.exe" /f
        3⤵
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        PID:1228
    • C:\Users\Admin\AppData\Roaming\Java\uninstall.exe
      "C:\Users\Admin\AppData\Roaming\Java\uninstall.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3816
      • C:\Users\Admin\AppData\Roaming\Java\uninstall.exe
        C:\Users\Admin\AppData\Roaming\Java\uninstall.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4948
        • 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⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1132
          • 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
            • System Location Discovery: System Language Discovery
            • Modifies registry key
            PID:4928
        • 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\Java\uninstall.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Java\uninstall.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:4840
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\Java\uninstall.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Java\uninstall.exe:*:Enabled:Windows Messanger" /f
            5⤵
            • Modifies firewall policy service
            • System Location Discovery: System Language Discovery
            • Modifies registry key
            PID:4112
        • 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⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:636
          • 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
            • System Location Discovery: System Language Discovery
            • Modifies registry key
            PID:1792
        • 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\Falaheye.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Falaheye.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1440
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\Falaheye.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Falaheye.exe:*:Enabled:Windows Messanger" /f
            5⤵
            • Modifies firewall policy service
            • System Location Discovery: System Language Discovery
            • Modifies registry key
            PID:3428
      • C:\Users\Admin\AppData\Roaming\Java\uninstall.exe
        C:\Users\Admin\AppData\Roaming\Java\uninstall.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:2872

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\eXVuy.txt

          Filesize

          173B

          MD5

          0f9512ff58185a551abc4fa80ffde3b5

          SHA1

          eb2df1adbb3504236d2857d8a9c297121c97a95d

          SHA256

          79747cbd0b884c6870d0ab8b90e4b64af598f1c1c97b2eb31c1fc1a1d6128189

          SHA512

          1f7216ce7cd2e1ae6e30c7d6d0f84b3a7a637c6cfe9568a10ffa802b99a832b3e4f45c7bd02cbbe70665e79ea917e7e9ac9a38ceaf469836fb207a47ef52ff3e

        • C:\Users\Admin\AppData\Roaming\Java\uninstall.txt

          Filesize

          2.4MB

          MD5

          6b2c08ba728ee89784e004f3f00fb650

          SHA1

          494947a44ad0af00900234216893c5397ff06fbd

          SHA256

          6b2f149c08650551dfd930a1cde27ba8dc2cc7105defcb5cabae659210c036aa

          SHA512

          79acf60628ede2acf4527d2b99b90af9111b704562c9cc1ac887b1a9234600ec6072169aaa184208fea9c8edbb924de85fcefab92e015b55f8ba7f49b2924d9e

        • memory/1880-28-0x0000000000400000-0x000000000065F000-memory.dmp

          Filesize

          2.4MB

        • memory/1880-0-0x0000000000400000-0x000000000065F000-memory.dmp

          Filesize

          2.4MB

        • memory/2872-45-0x0000000000400000-0x0000000000409000-memory.dmp

          Filesize

          36KB

        • memory/2872-52-0x0000000000400000-0x0000000000409000-memory.dmp

          Filesize

          36KB

        • memory/2872-40-0x0000000000400000-0x0000000000409000-memory.dmp

          Filesize

          36KB

        • memory/2872-47-0x0000000000400000-0x0000000000409000-memory.dmp

          Filesize

          36KB

        • memory/3816-48-0x0000000000400000-0x000000000065F000-memory.dmp

          Filesize

          2.4MB

        • memory/4948-36-0x0000000000400000-0x000000000045C000-memory.dmp

          Filesize

          368KB

        • memory/4948-34-0x0000000000400000-0x000000000045C000-memory.dmp

          Filesize

          368KB

        • memory/4948-51-0x0000000000400000-0x000000000045C000-memory.dmp

          Filesize

          368KB

        • memory/4948-31-0x0000000000400000-0x000000000045C000-memory.dmp

          Filesize

          368KB

        • memory/4948-53-0x0000000000400000-0x000000000045C000-memory.dmp

          Filesize

          368KB

        • memory/4948-55-0x0000000000400000-0x000000000045C000-memory.dmp

          Filesize

          368KB

        • memory/4948-60-0x0000000000400000-0x000000000045C000-memory.dmp

          Filesize

          368KB

        • memory/4948-62-0x0000000000400000-0x000000000045C000-memory.dmp

          Filesize

          368KB

        • memory/4948-65-0x0000000000400000-0x000000000045C000-memory.dmp

          Filesize

          368KB

        • memory/4948-67-0x0000000000400000-0x000000000045C000-memory.dmp

          Filesize

          368KB

        • memory/4948-76-0x0000000000400000-0x000000000045C000-memory.dmp

          Filesize

          368KB