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Analysis

  • max time kernel
    157s
  • max time network
    173s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/12/2023, 03:25

General

  • Target

    501af3b2dae97eb94cdd731516882e71.xls

  • Size

    35KB

  • MD5

    501af3b2dae97eb94cdd731516882e71

  • SHA1

    ca10c611e72c9539c56ac3754d29deef269375c8

  • SHA256

    462b9c3c22cc64c3b38d090695b566ada4635ceee426548415b101a0bc74b7c7

  • SHA512

    4314d5720f48fc0493818240a700a08b47349c87e2d683e824110f00a531b04c432692515a457a70e40703b7a3487b0af6cbd6169ed9f1f6fd7b31f017b887d9

  • SSDEEP

    768:HPqNk3hbdlylKsgqopeJBWhZFGkE+cL2NdAJK2N9OBp47VCBaWjj5izC:vok3hbdlylKsgqopeJBWhZFGkE+cL2N1

Score
10/10

Malware Config

Signatures

  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 14 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\501af3b2dae97eb94cdd731516882e71.xls"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3608
    • C:\Windows\explorer.exe
      explorer.exe C:\Users\Public\Documents\c8uTi.vbs
      2⤵
      • Process spawned unexpected child process
      PID:3948
  • C:\Windows\explorer.exe
    C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
    1⤵
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:3324
    • C:\Windows\System32\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Public\Documents\c8uTi.vbs"
      2⤵
        PID:8

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Public\Documents\c8uTi.vbs

      Filesize

      550B

      MD5

      7bfa2f54ea0fd248de25286bf0162893

      SHA1

      6ed65b4670c52687c722663fb5329341ffd3f13a

      SHA256

      8b5b08050ed804f472b8d6cf63b414131612c1b3058a9e8665dceaf410503c5d

      SHA512

      91d703680ce560f0282507561ab8421358e76205ff11d61bdf899699dabaa35f2f97dd9f665f53fcc96a4340a66669a08df4e228e89209be898e5a9a615cc753

    • memory/3608-12-0x00007FFE2B970000-0x00007FFE2BB65000-memory.dmp

      Filesize

      2.0MB

    • memory/3608-31-0x00007FFE2B970000-0x00007FFE2BB65000-memory.dmp

      Filesize

      2.0MB

    • memory/3608-5-0x00007FFE2B970000-0x00007FFE2BB65000-memory.dmp

      Filesize

      2.0MB

    • memory/3608-6-0x00007FFDEB9F0000-0x00007FFDEBA00000-memory.dmp

      Filesize

      64KB

    • memory/3608-7-0x00007FFDEB9F0000-0x00007FFDEBA00000-memory.dmp

      Filesize

      64KB

    • memory/3608-4-0x00007FFE2B970000-0x00007FFE2BB65000-memory.dmp

      Filesize

      2.0MB

    • memory/3608-8-0x00007FFE2B970000-0x00007FFE2BB65000-memory.dmp

      Filesize

      2.0MB

    • memory/3608-9-0x00007FFE2B970000-0x00007FFE2BB65000-memory.dmp

      Filesize

      2.0MB

    • memory/3608-3-0x00007FFDEB9F0000-0x00007FFDEBA00000-memory.dmp

      Filesize

      64KB

    • memory/3608-10-0x00007FFE2B970000-0x00007FFE2BB65000-memory.dmp

      Filesize

      2.0MB

    • memory/3608-11-0x00007FFE2B970000-0x00007FFE2BB65000-memory.dmp

      Filesize

      2.0MB

    • memory/3608-1-0x00007FFE2B970000-0x00007FFE2BB65000-memory.dmp

      Filesize

      2.0MB

    • memory/3608-2-0x00007FFDEB9F0000-0x00007FFDEBA00000-memory.dmp

      Filesize

      64KB

    • memory/3608-15-0x00007FFE2B970000-0x00007FFE2BB65000-memory.dmp

      Filesize

      2.0MB

    • memory/3608-13-0x00007FFE2B970000-0x00007FFE2BB65000-memory.dmp

      Filesize

      2.0MB

    • memory/3608-16-0x00007FFE2B970000-0x00007FFE2BB65000-memory.dmp

      Filesize

      2.0MB

    • memory/3608-17-0x00007FFDE9240000-0x00007FFDE9250000-memory.dmp

      Filesize

      64KB

    • memory/3608-24-0x00007FFDE9240000-0x00007FFDE9250000-memory.dmp

      Filesize

      64KB

    • memory/3608-28-0x00007FFE2B970000-0x00007FFE2BB65000-memory.dmp

      Filesize

      2.0MB

    • memory/3608-29-0x00007FFE2B970000-0x00007FFE2BB65000-memory.dmp

      Filesize

      2.0MB

    • memory/3608-30-0x00007FFE2B970000-0x00007FFE2BB65000-memory.dmp

      Filesize

      2.0MB

    • memory/3608-14-0x00007FFE2B970000-0x00007FFE2BB65000-memory.dmp

      Filesize

      2.0MB

    • memory/3608-32-0x00007FFE2B970000-0x00007FFE2BB65000-memory.dmp

      Filesize

      2.0MB

    • memory/3608-33-0x00007FFE2B970000-0x00007FFE2BB65000-memory.dmp

      Filesize

      2.0MB

    • memory/3608-0-0x00007FFDEB9F0000-0x00007FFDEBA00000-memory.dmp

      Filesize

      64KB