Analysis

  • max time kernel
    112s
  • max time network
    114s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/08/2024, 09:36

General

  • Target

    9f13feaa2a607968fe994c936a7ac710N.exe

  • Size

    1.1MB

  • MD5

    9f13feaa2a607968fe994c936a7ac710

  • SHA1

    9fcbe57442b68412f437d4bd5a3f2c66c6ce3c43

  • SHA256

    e206d394ccbbcfe709c84ec233fb8475bd2648cf29237c65a2546a63fe775a1b

  • SHA512

    502dd9131404556a0f6b3f21380d2eec65cd962dcacca5de9c113fe12effdf340df1088ff921d85e70f1e472e56306b1168de53175c4ee27d7bff6fc2dec0149

  • SSDEEP

    12288:BwG9izpJ5n46SncBH7MTX0svLv/HbHt4SpcHGAB/Kc27P5HV0HiG+uLP6njiY25+:nMxIl

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 28 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 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 16 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 behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 9 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9f13feaa2a607968fe994c936a7ac710N.exe
    "C:\Users\Admin\AppData\Local\Temp\9f13feaa2a607968fe994c936a7ac710N.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2560
    • C:\Windows\SysWOW64\svchost.exe
      "C:\Windows\system32\svchost.exe"
      2⤵
        PID:4896
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4896 -s 84
          3⤵
          • Program crash
          PID:4020
      • C:\Users\Admin\AppData\Local\Temp\9f13feaa2a607968fe994c936a7ac710N.exe
        "C:\Users\Admin\AppData\Local\Temp\9f13feaa2a607968fe994c936a7ac710N.exe"
        2⤵
        • Checks computer location settings
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2340
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\BNOJH.bat" "
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:756
          • C:\Windows\SysWOW64\reg.exe
            REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Svchost" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\MSSN\svchost.exe" /f
            4⤵
            • Adds Run key to start application
            • System Location Discovery: System Language Discovery
            PID:4492
        • C:\Users\Admin\AppData\Roaming\MSSN\svchost.exe
          "C:\Users\Admin\AppData\Roaming\MSSN\svchost.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:4588
          • C:\Windows\SysWOW64\svchost.exe
            "C:\Windows\system32\svchost.exe"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of SetWindowsHookEx
            PID:972
          • C:\Users\Admin\AppData\Roaming\MSSN\svchost.exe
            "C:\Users\Admin\AppData\Roaming\MSSN\svchost.exe"
            4⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of SetWindowsHookEx
            PID:4028
          • C:\Users\Admin\AppData\Roaming\MSSN\svchost.exe
            "C:\Users\Admin\AppData\Roaming\MSSN\svchost.exe"
            4⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:4952
            • 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:3628
              • 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:2608
            • 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\MSSN\svchost.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\MSSN\svchost.exe:*:Enabled:Windows Messanger" /f
              5⤵
              • System Location Discovery: System Language Discovery
              PID:4964
              • C:\Windows\SysWOW64\reg.exe
                REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\MSSN\svchost.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\MSSN\svchost.exe:*:Enabled:Windows Messanger" /f
                6⤵
                • Modifies firewall policy service
                • System Location Discovery: System Language Discovery
                • Modifies registry key
                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
              5⤵
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:1972
              • 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:2968
            • 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\NAOO.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\NAOO.exe:*:Enabled:Windows Messanger" /f
              5⤵
              • System Location Discovery: System Language Discovery
              PID:4112
              • C:\Windows\SysWOW64\reg.exe
                REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\NAOO.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\NAOO.exe:*:Enabled:Windows Messanger" /f
                6⤵
                • Modifies firewall policy service
                • System Location Discovery: System Language Discovery
                • Modifies registry key
                PID:4128
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4896 -ip 4896
      1⤵
        PID:2980

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        141B

        MD5

        eedf1bdeda7a9e6d314f346ae723cef1

        SHA1

        0680703a702f23e44ca855381c8764cfb7ec406e

        SHA256

        c8eed6be01e84beeef07e298e0db3a86e14d265f176034c1a1b6b386f3766920

        SHA512

        5d7081569bfea250054a49efea9d444ff7af9a351b959fec6197896622d9b0af4b32711c987493a088f2068834095e57ecd7856423b61fb5b950a7b704fdb364

      • C:\Users\Admin\AppData\Roaming\MSSN\svchost.exe

        Filesize

        1.1MB

        MD5

        0a529311c76e96952e5538b2f34ed4c2

        SHA1

        e8603aa63488fca0cadaef4e5a82488420807bca

        SHA256

        08a3c3a891ccc58f2bd52c5360bdcef901f26dae02447c1cc2b943e3d91bbd4c

        SHA512

        2a89cd08020b03f01ad44febd840f2a0f413300e3cd7361a6802f6b0583cb534aa4e45f62d3f87a5e79e3621613eea83177d7f32889b08ab29807998c45acd34

      • memory/972-42-0x0000000000400000-0x000000000040C000-memory.dmp

        Filesize

        48KB

      • memory/972-44-0x0000000000400000-0x000000000040C000-memory.dmp

        Filesize

        48KB

      • memory/972-47-0x0000000000400000-0x000000000040C000-memory.dmp

        Filesize

        48KB

      • memory/972-79-0x0000000000400000-0x000000000040C000-memory.dmp

        Filesize

        48KB

      • memory/2340-8-0x0000000000400000-0x000000000040B000-memory.dmp

        Filesize

        44KB

      • memory/2340-13-0x0000000000400000-0x000000000040B000-memory.dmp

        Filesize

        44KB

      • memory/2340-6-0x0000000000400000-0x000000000040B000-memory.dmp

        Filesize

        44KB

      • memory/2340-74-0x0000000000400000-0x000000000040B000-memory.dmp

        Filesize

        44KB

      • memory/2560-12-0x0000000002DE0000-0x0000000002DE2000-memory.dmp

        Filesize

        8KB

      • memory/2560-16-0x0000000000400000-0x0000000000521000-memory.dmp

        Filesize

        1.1MB

      • memory/2560-11-0x0000000002DD0000-0x0000000002DD2000-memory.dmp

        Filesize

        8KB

      • memory/2560-10-0x0000000002DC0000-0x0000000002DC2000-memory.dmp

        Filesize

        8KB

      • memory/2560-5-0x0000000002C40000-0x0000000002C42000-memory.dmp

        Filesize

        8KB

      • memory/2560-3-0x0000000002C10000-0x0000000002C12000-memory.dmp

        Filesize

        8KB

      • memory/2560-0-0x0000000000400000-0x0000000000521000-memory.dmp

        Filesize

        1.1MB

      • memory/4028-63-0x0000000000400000-0x000000000040B000-memory.dmp

        Filesize

        44KB

      • memory/4028-75-0x0000000000400000-0x000000000040B000-memory.dmp

        Filesize

        44KB

      • memory/4588-50-0x0000000000400000-0x0000000000521000-memory.dmp

        Filesize

        1.1MB

      • memory/4588-45-0x0000000000400000-0x0000000000521000-memory.dmp

        Filesize

        1.1MB

      • memory/4588-38-0x0000000000400000-0x0000000000521000-memory.dmp

        Filesize

        1.1MB

      • memory/4588-62-0x0000000000400000-0x0000000000521000-memory.dmp

        Filesize

        1.1MB

      • memory/4588-41-0x0000000000400000-0x0000000000521000-memory.dmp

        Filesize

        1.1MB

      • memory/4952-58-0x0000000000400000-0x000000000047B000-memory.dmp

        Filesize

        492KB

      • memory/4952-85-0x0000000000400000-0x000000000047B000-memory.dmp

        Filesize

        492KB

      • memory/4952-64-0x0000000000400000-0x000000000047B000-memory.dmp

        Filesize

        492KB

      • memory/4952-78-0x0000000000400000-0x000000000047B000-memory.dmp

        Filesize

        492KB

      • memory/4952-66-0x0000000000400000-0x000000000047B000-memory.dmp

        Filesize

        492KB

      • memory/4952-80-0x0000000000400000-0x000000000047B000-memory.dmp

        Filesize

        492KB

      • memory/4952-83-0x0000000000400000-0x000000000047B000-memory.dmp

        Filesize

        492KB

      • memory/4952-76-0x0000000000400000-0x000000000047B000-memory.dmp

        Filesize

        492KB

      • memory/4952-87-0x0000000000400000-0x000000000047B000-memory.dmp

        Filesize

        492KB

      • memory/4952-90-0x0000000000400000-0x000000000047B000-memory.dmp

        Filesize

        492KB

      • memory/4952-92-0x0000000000400000-0x000000000047B000-memory.dmp

        Filesize

        492KB

      • memory/4952-94-0x0000000000400000-0x000000000047B000-memory.dmp

        Filesize

        492KB

      • memory/4952-97-0x0000000000400000-0x000000000047B000-memory.dmp

        Filesize

        492KB

      • memory/4952-99-0x0000000000400000-0x000000000047B000-memory.dmp

        Filesize

        492KB