Analysis

  • max time kernel
    119s
  • max time network
    124s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/11/2024, 14:49

General

  • Target

    3de4b098967dd1c1b3ebaf0be242415323608fda76969559d9fbe61c3d4f0fb3.exe

  • Size

    248KB

  • MD5

    6cdacf03ee42c698326c7ef25b10c46a

  • SHA1

    52963070550c87b47ff5be5cf9669733d5f5df3a

  • SHA256

    3de4b098967dd1c1b3ebaf0be242415323608fda76969559d9fbe61c3d4f0fb3

  • SHA512

    93ffc2bf2c54a92ec2420cfe28a58082c40b6c76a45d1c276280371bf54660c771df2cb7eaa956a348e91bef8b858433617457e85966e0cc154a08931aaca910

  • SSDEEP

    3072:etsLhXr6AQuO5MRDZ5ZuI80fP1yjQUEcOMyNx80oB1WtEkdGFEk0pyyNxRmvf:fGD5MR5HZrbbxt+WtzdGGk0UyDo

Malware Config

Signatures

  • Modifies firewall policy service 3 TTPs 10 IoCs
  • Adds policy Run key to start application 2 TTPs 2 IoCs
  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 4 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

  • 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 3 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • UPX packed file 15 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 15 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 64 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 57 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3de4b098967dd1c1b3ebaf0be242415323608fda76969559d9fbe61c3d4f0fb3.exe
    "C:\Users\Admin\AppData\Local\Temp\3de4b098967dd1c1b3ebaf0be242415323608fda76969559d9fbe61c3d4f0fb3.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1180
    • C:\Users\Admin\AppData\Local\Temp\3de4b098967dd1c1b3ebaf0be242415323608fda76969559d9fbe61c3d4f0fb3.exe
      "C:\Users\Admin\AppData\Local\Temp\3de4b098967dd1c1b3ebaf0be242415323608fda76969559d9fbe61c3d4f0fb3.exe"
      2⤵
      • Checks computer location settings
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2620
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\AYMNI.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4128
        • C:\Windows\SysWOW64\reg.exe
          REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "winlogon" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\winlogonr\winlogonr.exe" /f
          4⤵
          • Adds Run key to start application
          • System Location Discovery: System Language Discovery
          PID:2212
      • C:\Users\Admin\AppData\Roaming\winlogonr\winlogonr.exe
        "C:\Users\Admin\AppData\Roaming\winlogonr\winlogonr.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:932
        • C:\Users\Admin\AppData\Roaming\winlogonr\winlogonr.exe
          "C:\Users\Admin\AppData\Roaming\winlogonr\winlogonr.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:4792
        • C:\Users\Admin\AppData\Roaming\winlogonr\winlogonr.exe
          "C:\Users\Admin\AppData\Roaming\winlogonr\winlogonr.exe"
          4⤵
          • Adds policy Run key to start application
          • Boot or Logon Autostart Execution: Active Setup
          • Executes dropped EXE
          • Adds Run key to start application
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:4880
          • 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
            5⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2896
            • C:\Windows\SysWOW64\reg.exe
              REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
              6⤵
              • Modifies firewall policy service
              • System Location Discovery: System Language Discovery
              • Modifies registry key
              PID:4052
          • 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\winlogonr\winlogonr.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\winlogonr\winlogonr.exe:*:Enabled:Windows Messanger" /f
            5⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:560
            • C:\Windows\SysWOW64\reg.exe
              REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\winlogonr\winlogonr.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\winlogonr\winlogonr.exe:*:Enabled:Windows Messanger" /f
              6⤵
              • Modifies firewall policy service
              • System Location Discovery: System Language Discovery
              • Modifies registry key
              PID:4876
          • 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
            5⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:1788
            • C:\Windows\SysWOW64\reg.exe
              REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
              6⤵
              • Modifies firewall policy service
              • System Location Discovery: System Language Discovery
              • Modifies registry key
              PID:5012
          • 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\DJXMLHG7SI.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\DJXMLHG7SI.exe:*:Enabled:Windows Messanger" /f
            5⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2696
            • C:\Windows\SysWOW64\reg.exe
              REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\DJXMLHG7SI.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\DJXMLHG7SI.exe:*:Enabled:Windows Messanger" /f
              6⤵
              • Modifies firewall policy service
              • System Location Discovery: System Language Discovery
              • Modifies registry key
              PID:2972

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

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

          Filesize

          149B

          MD5

          6831b89d0b8dc3e07588d733e75c122b

          SHA1

          8c70088c3224bbaf535ed19ec0f6bd5231c543be

          SHA256

          9fe102f2c6dff35f03787b85f725d12347cf491c897730a7f2e818f65177ffc2

          SHA512

          699fb44a25032ee4ad0ace1f941c826b333baddb65049c22e80b272909e85f4c8a00fef73fe2d97fa8998a0b6969b13461237bfc1e8f9bf711849d17d0cda6da

        • C:\Users\Admin\AppData\Roaming\winlogonr\winlogonr.exe

          Filesize

          248KB

          MD5

          b632308c3cb1f96dacf4cd2f6e65460f

          SHA1

          2e169a60faf573f95072c7dedb9855265a50b89f

          SHA256

          cc93d0c0fbb5d498782565c16520be1b533e044b9c0251ca6f51f76093bdb8f5

          SHA512

          2f51d3914833a375642e815845bfe13049d39e91f8b0af9f30de0e04a0f83f8ef97401130ef6cdd0aca4ddb423574b4f042c4c851bc8575cc99ec4994aa8ab78

        • memory/932-62-0x0000000000400000-0x000000000043E000-memory.dmp

          Filesize

          248KB

        • memory/932-47-0x0000000000400000-0x000000000043E000-memory.dmp

          Filesize

          248KB

        • memory/932-48-0x0000000000400000-0x000000000043E000-memory.dmp

          Filesize

          248KB

        • memory/932-46-0x0000000000400000-0x000000000043E000-memory.dmp

          Filesize

          248KB

        • memory/932-45-0x0000000000400000-0x000000000043E000-memory.dmp

          Filesize

          248KB

        • memory/1180-11-0x00000000022E0000-0x00000000022E2000-memory.dmp

          Filesize

          8KB

        • memory/1180-3-0x00000000022E0000-0x00000000022E2000-memory.dmp

          Filesize

          8KB

        • memory/1180-10-0x00000000022D0000-0x00000000022D2000-memory.dmp

          Filesize

          8KB

        • memory/1180-12-0x00000000022F0000-0x00000000022F2000-memory.dmp

          Filesize

          8KB

        • memory/1180-4-0x00000000022F0000-0x00000000022F2000-memory.dmp

          Filesize

          8KB

        • memory/1180-2-0x00000000022D0000-0x00000000022D2000-memory.dmp

          Filesize

          8KB

        • memory/1180-5-0x0000000002310000-0x0000000002312000-memory.dmp

          Filesize

          8KB

        • memory/1180-8-0x0000000002BA0000-0x0000000002BA2000-memory.dmp

          Filesize

          8KB

        • memory/1180-6-0x0000000002320000-0x0000000002322000-memory.dmp

          Filesize

          8KB

        • memory/1180-7-0x0000000002B80000-0x0000000002B82000-memory.dmp

          Filesize

          8KB

        • memory/2620-42-0x0000000000400000-0x000000000040B000-memory.dmp

          Filesize

          44KB

        • memory/2620-9-0x0000000000400000-0x000000000040B000-memory.dmp

          Filesize

          44KB

        • memory/2620-16-0x0000000000400000-0x000000000040B000-memory.dmp

          Filesize

          44KB

        • memory/2620-14-0x0000000000400000-0x000000000040B000-memory.dmp

          Filesize

          44KB

        • memory/2620-66-0x0000000000400000-0x000000000040B000-memory.dmp

          Filesize

          44KB

        • memory/4792-72-0x0000000000400000-0x000000000040B000-memory.dmp

          Filesize

          44KB

        • memory/4880-61-0x0000000000400000-0x000000000047B000-memory.dmp

          Filesize

          492KB

        • memory/4880-55-0x0000000000400000-0x000000000047B000-memory.dmp

          Filesize

          492KB

        • memory/4880-59-0x0000000000400000-0x000000000047B000-memory.dmp

          Filesize

          492KB

        • memory/4880-73-0x0000000000400000-0x000000000047B000-memory.dmp

          Filesize

          492KB

        • memory/4880-79-0x0000000000400000-0x000000000047B000-memory.dmp

          Filesize

          492KB

        • memory/4880-83-0x0000000000400000-0x000000000047B000-memory.dmp

          Filesize

          492KB

        • memory/4880-88-0x0000000000400000-0x000000000047B000-memory.dmp

          Filesize

          492KB

        • memory/4880-92-0x0000000000400000-0x000000000047B000-memory.dmp

          Filesize

          492KB

        • memory/4880-97-0x0000000000400000-0x000000000047B000-memory.dmp

          Filesize

          492KB