Analysis

  • max time kernel
    0s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    03/01/2024, 14:58

General

  • Target

    9d1745465d5f57a9966eb3b6d7bd4779.exe

  • Size

    512KB

  • MD5

    9d1745465d5f57a9966eb3b6d7bd4779

  • SHA1

    d535d2d1265d23b5f3f8656387146c442bce2d15

  • SHA256

    983ae865d66db88250cf897ae4133a3a27cd1b4489946edca65c835c5ec4de2b

  • SHA512

    1ea95e820b8e5994873178655c6fb935c6fec3194de09ec45da9ed878f0494d5126717ef461f063218a725d8901d184594d7e2b057e3c3975bc8a5cce1d5864e

  • SSDEEP

    6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj6X:1gDhdkq5BCoC5LfWSLTUQpr2Zu19Qm5y

Malware Config

Signatures

  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 5 IoCs
  • Disables RegEdit via registry modification 1 IoCs
  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 4 IoCs
  • Windows security modification 2 TTPs 6 IoCs
  • Modifies WinLogon 2 TTPs 2 IoCs
  • AutoIT Executable 1 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 8 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 19 IoCs
  • Suspicious behavior: EnumeratesProcesses 13 IoCs
  • Suspicious use of FindShellTrayWindow 12 IoCs
  • Suspicious use of SendNotifyMessage 12 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9d1745465d5f57a9966eb3b6d7bd4779.exe
    "C:\Users\Admin\AppData\Local\Temp\9d1745465d5f57a9966eb3b6d7bd4779.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:2508
    • C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
      "C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Windows\mydoc.rtf"
      2⤵
        PID:2140
        • C:\Windows\splwow64.exe
          C:\Windows\splwow64.exe 12288
          3⤵
            PID:2224
        • C:\Windows\SysWOW64\zgnblqzugqwdr.exe
          zgnblqzugqwdr.exe
          2⤵
          • Executes dropped EXE
          PID:2008
        • C:\Windows\SysWOW64\gcbwilrt.exe
          gcbwilrt.exe
          2⤵
          • Executes dropped EXE
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SendNotifyMessage
          PID:2336
        • C:\Windows\SysWOW64\sxyvxperhupbaeo.exe
          sxyvxperhupbaeo.exe
          2⤵
          • Executes dropped EXE
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SendNotifyMessage
          PID:2756
        • C:\Windows\SysWOW64\pfnwnqmzhd.exe
          pfnwnqmzhd.exe
          2⤵
          • Modifies visibility of file extensions in Explorer
          • Modifies visiblity of hidden/system files in Explorer
          • Windows security bypass
          • Disables RegEdit via registry modification
          • Executes dropped EXE
          • Windows security modification
          • Modifies WinLogon
          • Modifies registry class
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SendNotifyMessage
          PID:2764
      • C:\Windows\SysWOW64\gcbwilrt.exe
        C:\Windows\system32\gcbwilrt.exe
        1⤵
          PID:2576
        • C:\Windows\explorer.exe
          explorer.exe
          1⤵
            PID:864

          Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

                Loading Replay Monitor...

                Downloads

                • memory/864-75-0x0000000004290000-0x0000000004291000-memory.dmp

                  Filesize

                  4KB

                • memory/864-77-0x0000000004290000-0x0000000004291000-memory.dmp

                  Filesize

                  4KB

                • memory/864-83-0x0000000003C90000-0x0000000003CA0000-memory.dmp

                  Filesize

                  64KB

                • memory/2140-45-0x000000002F2D1000-0x000000002F2D2000-memory.dmp

                  Filesize

                  4KB

                • memory/2140-47-0x00000000716AD000-0x00000000716B8000-memory.dmp

                  Filesize

                  44KB

                • memory/2140-46-0x000000005FFF0000-0x0000000060000000-memory.dmp

                  Filesize

                  64KB

                • memory/2140-76-0x00000000716AD000-0x00000000716B8000-memory.dmp

                  Filesize

                  44KB

                • memory/2508-0-0x0000000000400000-0x0000000000496000-memory.dmp

                  Filesize

                  600KB