Analysis

  • max time kernel
    147s
  • max time network
    142s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    07/01/2024, 10:52

General

  • Target

    48c54bd6bfc41a887a8f2be5eabd74cb.exe

  • Size

    588KB

  • MD5

    48c54bd6bfc41a887a8f2be5eabd74cb

  • SHA1

    eac42ed5fbec3840857b8f246040f5cb7fb1b94f

  • SHA256

    c84fe4f8fc5086cb9271f6be3f7225e1b8ed2de80532d23669a79b534c033f8b

  • SHA512

    105cb025d53026e9f5f96419cb26fe0eb656406dc1f0ae595d874a0c66956dd321fde5c916089b810adbe67c28ed48172941c50e7faa2086eac1f5edf9976e40

  • SSDEEP

    6144:PcGfbFqB5/cWuaFT7p0Dxe5MUkHHd8m6Wb0ui+EXnWLe8:PVWe+T7paw51eHjVL

Malware Config

Signatures

  • Modifies firewall policy service 2 TTPs 8 IoCs
  • Adds policy Run key to start application 2 TTPs 2 IoCs
  • Modifies Installed Components in the registry 2 TTPs 4 IoCs
  • UPX packed file 18 IoCs

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

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Suspicious use of SetThreadContext 2 IoCs
  • Modifies registry key 1 TTPs 4 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 36 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 49 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\48c54bd6bfc41a887a8f2be5eabd74cb.exe
    "C:\Users\Admin\AppData\Local\Temp\48c54bd6bfc41a887a8f2be5eabd74cb.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2232
    • C:\Users\Admin\AppData\Local\Temp\48c54bd6bfc41a887a8f2be5eabd74cb.exe
      "C:\Users\Admin\AppData\Local\Temp\48c54bd6bfc41a887a8f2be5eabd74cb.exe"
      2⤵
      • Writes to the Master Boot Record (MBR)
      • Suspicious use of SetThreadContext
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1872
      • C:\Users\Admin\AppData\Local\Temp\48c54bd6bfc41a887a8f2be5eabd74cb.exe
        "C:\Users\Admin\AppData\Local\Temp\48c54bd6bfc41a887a8f2be5eabd74cb.exe"
        3⤵
        • Adds policy Run key to start application
        • Modifies Installed Components in the registry
        • Adds Run key to start application
        • Suspicious behavior: RenamesItself
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2368
        • 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\local.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\local.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:2020
        • 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⤵
          • Suspicious use of WriteProcessMemory
          PID:2708
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Local\Temp\48c54bd6bfc41a887a8f2be5eabd74cb.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\48c54bd6bfc41a887a8f2be5eabd74cb.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:2756
        • 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⤵
          • Suspicious use of WriteProcessMemory
          PID:2872
  • C:\Windows\SysWOW64\reg.exe
    REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\local.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\local.exe:*:Enabled:Windows Messanger" /f
    1⤵
    • Modifies firewall policy service
    • Modifies registry key
    PID:2716
  • C:\Windows\SysWOW64\reg.exe
    REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Local\Temp\48c54bd6bfc41a887a8f2be5eabd74cb.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\48c54bd6bfc41a887a8f2be5eabd74cb.exe:*:Enabled:Windows Messanger" /f
    1⤵
    • Modifies firewall policy service
    • Modifies registry key
    PID:2776
  • C:\Windows\SysWOW64\reg.exe
    REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
    1⤵
    • Modifies firewall policy service
    • Modifies registry key
    PID:2828
  • C:\Windows\SysWOW64\reg.exe
    REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
    1⤵
    • Modifies firewall policy service
    • Modifies registry key
    PID:2740

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/1872-2-0x0000000000400000-0x0000000000435000-memory.dmp

    Filesize

    212KB

  • memory/1872-4-0x0000000000400000-0x0000000000435000-memory.dmp

    Filesize

    212KB

  • memory/1872-6-0x0000000000400000-0x0000000000435000-memory.dmp

    Filesize

    212KB

  • memory/1872-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1872-12-0x0000000000400000-0x0000000000435000-memory.dmp

    Filesize

    212KB

  • memory/1872-14-0x0000000000400000-0x0000000000435000-memory.dmp

    Filesize

    212KB

  • memory/1872-35-0x0000000000400000-0x0000000000435000-memory.dmp

    Filesize

    212KB

  • memory/2368-32-0x00000000766F0000-0x0000000076790000-memory.dmp

    Filesize

    640KB

  • memory/2368-17-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/2368-23-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/2368-25-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/2368-27-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/2368-34-0x00000000766F0000-0x0000000076790000-memory.dmp

    Filesize

    640KB

  • memory/2368-33-0x0000000077F21000-0x0000000077F22000-memory.dmp

    Filesize

    4KB

  • memory/2368-19-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/2368-31-0x00000000761C0000-0x00000000762D0000-memory.dmp

    Filesize

    1.1MB

  • memory/2368-26-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/2368-36-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/2368-20-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/2368-37-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/2368-39-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/2368-46-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/2368-49-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/2368-51-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/2368-53-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/2368-56-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/2368-60-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/2368-63-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/2368-65-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/2368-67-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB