Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-12-2024 06:28

General

  • Target

    inv300123.pdf.exe

  • Size

    249KB

  • MD5

    c1d715af9940a5e70e1ab58fecc18dba

  • SHA1

    a223f8c86b1748e3f7bccccd13c864507505e09c

  • SHA256

    3b49db8324bc576c3d9e31d4bd1c27af48f3ec36652b95991a3b4803c6a48ad8

  • SHA512

    99fef3200ab3cf200a4d23ed95edbbc7005b856b599a2b832bedf9cb16ffc62dc6f5bc6c073a95e3f473b055621e4e022801c72ff4c0ab818253fdba59cafd53

  • SSDEEP

    6144:wBlL/c/QkZXt5dYUpKdCASZEJsfgnv1KhsiGcO3:CezZJ7pDhZEJggnNceH3

Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 1 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 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\inv300123.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\inv300123.pdf.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2196
    • C:\Users\Admin\AppData\Local\Temp\inv300123.pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\inv300123.pdf.exe"
      2⤵
        PID:4688
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2196 -s 1040
        2⤵
        • Program crash
        PID:2452
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2196 -ip 2196
      1⤵
        PID:3944

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Temp\nsc597B.tmp\nqdipsrotb.dll

        Filesize

        31KB

        MD5

        8ab953e111816f48fd4aab119809af53

        SHA1

        5ad3c9b13395ea5912bbff13746171a387f43979

        SHA256

        cb989078f012a4f8f8fe2b0ee20790a792dc6f1968cb0bba55f654ffb3346c20

        SHA512

        75b37e5fcc1994686eb91316ef45ec46e9ada54cbe985e9671c8e0d09a153ddb6bbfd2881dc278c6b351c6a022d1db6c33b6b7a7ce73b0eb4af5a84ca2e7e421

      • memory/2196-4-0x0000000075200000-0x000000007520B000-memory.dmp

        Filesize

        44KB

      • memory/2196-9-0x0000000075200000-0x000000007520B000-memory.dmp

        Filesize

        44KB