Analysis

  • max time kernel
    156s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-11-2022 07:26

General

  • Target

    f9f6a342949866e404ca538b4e1b142970f4ff6e235044632be7a2ea59eaa725.exe

  • Size

    560KB

  • MD5

    64f82b9173cd9db3756fcbb0207ec356

  • SHA1

    53419f0f85640e1a40dfdb724ae6e78e7df9fd6b

  • SHA256

    f9f6a342949866e404ca538b4e1b142970f4ff6e235044632be7a2ea59eaa725

  • SHA512

    b18aaf19b1851b94c6f9c03c4a3cd66ae3fb005c1941dfd181b799f965c4d262c35c60ba3e3004704a73dada201d3bf2c2b0e39fcff7c0b574eef8710bc4427d

  • SSDEEP

    12288:9Uo991Egcc0U6PINcTVDBb6rGkcXMK1wF9cSQDbi:9UoP1Egcc0RIN7rAM5F9cSQDb

Malware Config

Signatures

  • Modifies firewall policy service 2 TTPs 10 IoCs
  • Adds policy Run key to start application 2 TTPs 2 IoCs
  • Modifies Installed Components in the registry 2 TTPs 4 IoCs
  • Adds Run key to start application 2 TTPs 4 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 use of AdjustPrivilegeToken 36 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 40 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f9f6a342949866e404ca538b4e1b142970f4ff6e235044632be7a2ea59eaa725.exe
    "C:\Users\Admin\AppData\Local\Temp\f9f6a342949866e404ca538b4e1b142970f4ff6e235044632be7a2ea59eaa725.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1504
    • C:\Users\Admin\AppData\Local\Temp\f9f6a342949866e404ca538b4e1b142970f4ff6e235044632be7a2ea59eaa725.exe
      "C:\Users\Admin\AppData\Local\Temp\f9f6a342949866e404ca538b4e1b142970f4ff6e235044632be7a2ea59eaa725.exe"
      2⤵
      • Writes to the Master Boot Record (MBR)
      • Suspicious use of SetThreadContext
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4920
      • C:\Users\Admin\AppData\Local\Temp\f9f6a342949866e404ca538b4e1b142970f4ff6e235044632be7a2ea59eaa725.exe
        "C:\Users\Admin\AppData\Local\Temp\f9f6a342949866e404ca538b4e1b142970f4ff6e235044632be7a2ea59eaa725.exe"
        3⤵
        • Adds policy Run key to start application
        • Modifies Installed Components in the registry
        • Adds Run key to start application
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1880
        • 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:2292
          • 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
            • Modifies registry key
            PID:1232
        • 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\f9f6a342949866e404ca538b4e1b142970f4ff6e235044632be7a2ea59eaa725.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\f9f6a342949866e404ca538b4e1b142970f4ff6e235044632be7a2ea59eaa725.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:5024
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Local\Temp\f9f6a342949866e404ca538b4e1b142970f4ff6e235044632be7a2ea59eaa725.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\f9f6a342949866e404ca538b4e1b142970f4ff6e235044632be7a2ea59eaa725.exe:*:Enabled:Windows Messanger" /f
            5⤵
            • Modifies firewall policy service
            • Modifies registry key
            PID:220
        • 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:5052
          • 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
            • Modifies registry key
            PID:320
        • 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\svchost.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\svchost.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:1580
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\svchost.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\svchost.exe:*:Enabled:Windows Messanger" /f
            5⤵
            • Modifies firewall policy service
            • Modifies registry key
            PID:116

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/116-152-0x0000000000000000-mapping.dmp

  • memory/220-153-0x0000000000000000-mapping.dmp

  • memory/320-155-0x0000000000000000-mapping.dmp

  • memory/1232-154-0x0000000000000000-mapping.dmp

  • memory/1580-151-0x0000000000000000-mapping.dmp

  • memory/1880-147-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/1880-146-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/1880-140-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/1880-139-0x0000000000000000-mapping.dmp

  • memory/2292-148-0x0000000000000000-mapping.dmp

  • memory/4920-134-0x0000000000000000-mapping.dmp

  • memory/4920-142-0x0000000000400000-0x0000000000475000-memory.dmp

    Filesize

    468KB

  • memory/4920-135-0x0000000000400000-0x0000000000475000-memory.dmp

    Filesize

    468KB

  • memory/5024-149-0x0000000000000000-mapping.dmp

  • memory/5052-150-0x0000000000000000-mapping.dmp