Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    12-09-2024 04:31

General

  • Target

    f725a1e79ab4eb7a1a97b02668e060a0N.exe

  • Size

    1.8MB

  • MD5

    f725a1e79ab4eb7a1a97b02668e060a0

  • SHA1

    009bee2d6f2da13ac258bfe9e51923f673e70276

  • SHA256

    6252b03c4e588106b9f748d3385aeb296888cecf4e27ce874e7d07772d5e1903

  • SHA512

    54f7059fd6eb822d5d0b1b9d84a7959658d85ffaa7a7bf1bb0a8d61f93af69285d6c00ddc52ce7c9eb9b438be9fb0bc5b9fefe50ef2156cc9fc82718112971ed

  • SSDEEP

    12288:BHTVhI8jdG+sV1p0x/k9fkQ3KypwkBPKxY9XZdFh29DNDupLdXUoWxOT8oSD:tV35QOk3KWNo34nOOTW

Malware Config

Signatures

  • Modifies firewall policy service 3 TTPs 8 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 7 IoCs
  • UPX packed file 21 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 62 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f725a1e79ab4eb7a1a97b02668e060a0N.exe
    "C:\Users\Admin\AppData\Local\Temp\f725a1e79ab4eb7a1a97b02668e060a0N.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1728
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\eHWdG.bat" "
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2680
      • C:\Windows\SysWOW64\reg.exe
        REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "WinUpdt" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Window Updates\winupdt2.exe" /f
        3⤵
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        PID:2668
    • C:\Users\Admin\AppData\Roaming\Window Updates\winupdt2.exe
      "C:\Users\Admin\AppData\Roaming\Window Updates\winupdt2.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2940
      • C:\Users\Admin\AppData\Roaming\Window Updates\winupdt2.exe
        "C:\Users\Admin\AppData\Roaming\Window Updates\winupdt2.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2624
        • 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:552
          • 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:3044
        • 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\Window Updates\winupdt2.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Window Updates\winupdt2.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2876
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\Window Updates\winupdt2.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Window Updates\winupdt2.exe:*:Enabled:Windows Messanger" /f
            5⤵
            • Modifies firewall policy service
            • System Location Discovery: System Language Discovery
            • Modifies registry key
            PID:2852
        • 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:2740
          • 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:1056
        • 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\Windows Updater.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Windows Updater.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2652
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\Windows Updater.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Windows Updater.exe:*:Enabled:Windows Messanger" /f
            5⤵
            • Modifies firewall policy service
            • System Location Discovery: System Language Discovery
            • Modifies registry key
            PID:756
      • C:\Users\Admin\AppData\Roaming\Window Updates\winupdt2.exe
        "C:\Users\Admin\AppData\Roaming\Window Updates\winupdt2.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:3056

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\eHWdG.bat

    Filesize

    152B

    MD5

    49bb161b07149b1bda99901c71d98b1f

    SHA1

    e5e3b389c09d551bd8f3a4cf71ee30e566fdf6e2

    SHA256

    734c4f48449a118dbdfbbe4971ecf112b26b2b45d1889678c01dea98eb5767d8

    SHA512

    da09a2af9b7f9528916ab719ed97ee8b61179bba92016eaed64b3e7d6bf08646801aeeb0eb332bdde175eb64b48106f7cf2fe2bf01ea6128753e4ce1d48707be

  • C:\Users\Admin\AppData\Roaming\Window Updates\winupdt2.exe

    Filesize

    1.8MB

    MD5

    91029a7bf8dcf70d57606bb12bfe2db7

    SHA1

    22b9bb4bd5d4e46146761a72f3095b15b2f60f25

    SHA256

    14335a5bf82022d7b9e6ad36efe8bb498134b5c35db20b388fc03d7c4a98292b

    SHA512

    7e744764d568794ce7417b7600d43f999e6c5d2fed0c74b6486ee748ab07fc1e8b5560e69248e469eb2e86807dafbf6e0e9459939611039cb95d201ca4f5408b

  • memory/1728-0-0x0000000000400000-0x00000000005CA000-memory.dmp

    Filesize

    1.8MB

  • memory/1728-43-0x0000000003490000-0x000000000365A000-memory.dmp

    Filesize

    1.8MB

  • memory/1728-42-0x0000000003490000-0x000000000365A000-memory.dmp

    Filesize

    1.8MB

  • memory/1728-45-0x0000000000400000-0x00000000005CA000-memory.dmp

    Filesize

    1.8MB

  • memory/2624-96-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2624-51-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2624-80-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2624-91-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2624-89-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2624-58-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2624-84-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2624-56-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2624-72-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2624-73-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2624-82-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2624-77-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2940-46-0x0000000000400000-0x00000000005CA000-memory.dmp

    Filesize

    1.8MB

  • memory/2940-63-0x0000000000400000-0x00000000005CA000-memory.dmp

    Filesize

    1.8MB

  • memory/3056-74-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/3056-69-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/3056-59-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/3056-62-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB