Analysis

  • max time kernel
    92s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-11-2024 20:37

General

  • Target

    Invoice NO 22073895.exe

  • Size

    486KB

  • MD5

    85cd688a9fee95b88b94b6879039201f

  • SHA1

    0843488b993fd26651cff415ac5a43c593defa25

  • SHA256

    4d3261b30e45d9577916b421a9b829836e955a9be539866aa29d21aad01283c1

  • SHA512

    9ed65a00f4e6c276b18778feac6140759ebbc159d15c4c20280ff13b1887c73ec4fc88a38abe0f8e0d75ec0e5a5acf82478472b761247bee1357d130bf80ab45

  • SSDEEP

    12288:AYn68Ex+E5Z8kJqeKPMwwOfGo5KNfhtDuCytMi4zaaKL:AYn6DAEgIqecuo5KbsCy6igbG

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 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 2 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 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Invoice NO 22073895.exe
    "C:\Users\Admin\AppData\Local\Temp\Invoice NO 22073895.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4424
    • C:\Users\Admin\AppData\Local\Temp\pvwuec.exe
      "C:\Users\Admin\AppData\Local\Temp\pvwuec.exe" C:\Users\Admin\AppData\Local\Temp\eeelcb.fn
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4544
      • C:\Users\Admin\AppData\Local\Temp\pvwuec.exe
        "C:\Users\Admin\AppData\Local\Temp\pvwuec.exe"
        3⤵
          PID:4964
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4544 -s 532
          3⤵
          • Program crash
          PID:64
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4544 -ip 4544
      1⤵
        PID:2320

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Temp\eeelcb.fn

        Filesize

        5KB

        MD5

        c4ee853696ad5db212cd6ae2bb8a0fe1

        SHA1

        840ccd25c091a082be426b35386ce7ab8f5d0631

        SHA256

        6c92c5b0c148c513174215823f3ba3f7f53adbaae077553219826b35553edba1

        SHA512

        7527d4792d58829f38ed4509a37cc248a02aaeeddf747d3afe3c3f380f8fdad0ebe39e9c989bf1d224f54fab0d187379a93eb9a61800fd7d1f52eb4e6ec9e8c3

      • C:\Users\Admin\AppData\Local\Temp\pvwuec.exe

        Filesize

        84KB

        MD5

        e87c6c672ec024582ffb00811abf747e

        SHA1

        05921c941ed33b6e0e4cd35c20a452d0659d04dd

        SHA256

        17a23dd9b5a1b36f5db90ea4e102a03a8dd14557b60f4c19c17e62e53ac19f86

        SHA512

        5d09656b375b7cb2a3e3062e4a4af3c77663cc454e79a7be59f2996b4db54e8609f6de7b0ad27432e42b45f2e544a22ba43096b61be6d06d36ff1b20b1e49cb5

      • C:\Users\Admin\AppData\Local\Temp\serrf.p

        Filesize

        196KB

        MD5

        f33a9bba9a07130a2662f4f14e696e7c

        SHA1

        6fd979cbec5aaa33f8276ca0825a8c0e71768499

        SHA256

        ea5fe369ca49d659b7cf129def53fd7a1589c9ccdf16a7270354897e885d730c

        SHA512

        8df1c084b2dcf922faa9ae404642ab9e417b50bdafbf88ce14f1df1d3c3894d7e2f23e5e83ac4362edec3aa0d5a898af9087dac3680731a8dc8960a43b33cdfb

      • memory/4544-7-0x00000000009C0000-0x00000000009C2000-memory.dmp

        Filesize

        8KB