Analysis

  • max time kernel
    149s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/08/2024, 22:54

General

  • Target

    86e6c30180353acd4826ae68f57c0ba7d4f24359f5b412bd7fdf50fc123c875c.exe

  • Size

    2.0MB

  • MD5

    b114e0346bfd01bd80f55c473a96213a

  • SHA1

    27b4e39db86d7c81ad5a9c8ee3982764124f0e33

  • SHA256

    86e6c30180353acd4826ae68f57c0ba7d4f24359f5b412bd7fdf50fc123c875c

  • SHA512

    ee6d781bfbfbfba290a8f85929bc6a1c2995b5ababfcced3299fd53e25b43e780a678ba462e8a8c21e870c1c182f71ff5931d4bbaf98db3b9b9117ea7b33207e

  • SSDEEP

    49152:fmTWr53HxurntpSJU2mN2xl42d91cKSd5W6l/p7AFWVBpG947fVr0YfwCCkB1mpH:fmTWr53HxurntpSJU2mN2xu2d91cKSda

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
  • UPX packed file 18 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • 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\86e6c30180353acd4826ae68f57c0ba7d4f24359f5b412bd7fdf50fc123c875c.exe
    "C:\Users\Admin\AppData\Local\Temp\86e6c30180353acd4826ae68f57c0ba7d4f24359f5b412bd7fdf50fc123c875c.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4852
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\DnlkX.bat" "
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5072
      • C:\Windows\SysWOW64\reg.exe
        REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "WindowsDef" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Directory\WindowsDef.exe" /f
        3⤵
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        PID:2752
    • C:\Users\Admin\AppData\Roaming\Directory\WindowsDef.exe
      "C:\Users\Admin\AppData\Roaming\Directory\WindowsDef.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3304
      • C:\Users\Admin\AppData\Roaming\Directory\WindowsDef.exe
        C:\Users\Admin\AppData\Roaming\Directory\WindowsDef.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4252
        • 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:4564
          • 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:940
        • 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\Directory\WindowsDef.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Directory\WindowsDef.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:4388
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\Directory\WindowsDef.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Directory\WindowsDef.exe:*:Enabled:Windows Messanger" /f
            5⤵
            • Modifies firewall policy service
            • System Location Discovery: System Language Discovery
            • Modifies registry key
            PID:2924
        • 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:4812
          • 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:736
        • 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\IDungProV5.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\IDungProV5.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2128
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\IDungProV5.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\IDungProV5.exe:*:Enabled:Windows Messanger" /f
            5⤵
            • Modifies firewall policy service
            • System Location Discovery: System Language Discovery
            • Modifies registry key
            PID:1388
      • C:\Users\Admin\AppData\Roaming\Directory\WindowsDef.exe
        C:\Users\Admin\AppData\Roaming\Directory\WindowsDef.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:3272

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

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

          Filesize

          152B

          MD5

          12506b1a3ef0e7dcef2babaaecfb81e8

          SHA1

          9564f2c31b336dab739e74cceedb5e4d07c2a563

          SHA256

          3922b88903f6e7a4cd1e9cee92f9a0de6f0cd28a4a6db73114e320fa7cbf8c8a

          SHA512

          cbf0ade56c9961edcf8018f8e1654446e17c863e8df98a78b781b4b91ca87a9ab3b1532376f245c678f6f9e00771d74dba99e0fee237ebf3f4a69473d57f0dec

        • C:\Users\Admin\AppData\Roaming\Directory\WindowsDef.txt

          Filesize

          2.0MB

          MD5

          b50ff0ebfa64fc6f5f7a5614103428ab

          SHA1

          82d9162ab60e8ac6a6b0047082ac98c3aa31b235

          SHA256

          9b370295e576bc3e381475376a1ebaf6b7793fa168ff44b9b2e3a3c7abafac7d

          SHA512

          05f529df7d98e15e08fd3b3a9ecd4fbb1371aa3284f47a8fc79c0112e9cad07f9036c012a8365f150bcf02159f1cbb78f2fd3c7be4a0949470f59e45362f4cfe

        • memory/3272-52-0x0000000000400000-0x0000000000409000-memory.dmp

          Filesize

          36KB

        • memory/3272-41-0x0000000000400000-0x0000000000409000-memory.dmp

          Filesize

          36KB

        • memory/3272-45-0x0000000000400000-0x0000000000409000-memory.dmp

          Filesize

          36KB

        • memory/3272-37-0x0000000000400000-0x0000000000409000-memory.dmp

          Filesize

          36KB

        • memory/4252-53-0x0000000000400000-0x000000000045C000-memory.dmp

          Filesize

          368KB

        • memory/4252-65-0x0000000000400000-0x000000000045C000-memory.dmp

          Filesize

          368KB

        • memory/4252-34-0x0000000000400000-0x000000000045C000-memory.dmp

          Filesize

          368KB

        • memory/4252-51-0x0000000000400000-0x000000000045C000-memory.dmp

          Filesize

          368KB

        • memory/4252-74-0x0000000000400000-0x000000000045C000-memory.dmp

          Filesize

          368KB

        • memory/4252-31-0x0000000000400000-0x000000000045C000-memory.dmp

          Filesize

          368KB

        • memory/4252-55-0x0000000000400000-0x000000000045C000-memory.dmp

          Filesize

          368KB

        • memory/4252-58-0x0000000000400000-0x000000000045C000-memory.dmp

          Filesize

          368KB

        • memory/4252-60-0x0000000000400000-0x000000000045C000-memory.dmp

          Filesize

          368KB

        • memory/4252-62-0x0000000000400000-0x000000000045C000-memory.dmp

          Filesize

          368KB

        • memory/4252-36-0x0000000000400000-0x000000000045C000-memory.dmp

          Filesize

          368KB

        • memory/4252-67-0x0000000000400000-0x000000000045C000-memory.dmp

          Filesize

          368KB

        • memory/4252-69-0x0000000000400000-0x000000000045C000-memory.dmp

          Filesize

          368KB

        • memory/4252-72-0x0000000000400000-0x000000000045C000-memory.dmp

          Filesize

          368KB

        • memory/4852-0-0x0000000000400000-0x00000000005F7000-memory.dmp

          Filesize

          2.0MB