Analysis

  • max time kernel
    151s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-12-2023 17:16

General

  • Target

    fce303eb946d9824a29569a9bfcd2718.xls

  • Size

    35KB

  • MD5

    fce303eb946d9824a29569a9bfcd2718

  • SHA1

    dd473450b5802bf0d9e566ab41a33b8da62e748c

  • SHA256

    2a84dfadf2d6dd3b7b7bd175dc17704e517f1acc652670a9ae67f34ad0fb6c39

  • SHA512

    bb24ee7467940f9f5b635ba0da72e46f33f4c47cb11021934cf0df3b369cc32ce7fca89e82e0ffa8c2ba5282792a2346b022e510da99ad2ef19ba44d9ea52389

  • SSDEEP

    768:nPqNk3hbdlylKsgqopeJBWhZFGkE+cL2NdAJqDhMsmThop+tV:Pok3hbdlylKsgqopeJBWhZFGkE+cL2N8

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 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 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\fce303eb946d9824a29569a9bfcd2718.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:3512
    • C:\Windows\explorer.exe
      explorer.exe C:\Users\Public\Documents\D1Te.vbs
      2⤵
      • Process spawned unexpected child process
      PID:4336
  • C:\Windows\explorer.exe
    C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
    1⤵
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:3376
    • C:\Windows\System32\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Public\Documents\D1Te.vbs"
      2⤵
        PID:1828

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Public\Documents\D1Te.vbs

      Filesize

      596B

      MD5

      c83dfc9aca6b6522e5e21c9837ab69fa

      SHA1

      e83b2fa39ee659f7684a97f97857cdda09dab9f8

      SHA256

      574da411749a1b63d8f65edfa5683df891b05469e9f298dc6f0c676adac9e0ea

      SHA512

      ec31f8ddfcd9c858b5ac0e1ca83eb39c946fcdcfc8e2db54b7a92593f9bc0eb90168433726ee922e084c0c8613eac005870c4f158b336f36e19653a2d92a7f56

    • memory/3512-1-0x00007FFD66F10000-0x00007FFD66F20000-memory.dmp

      Filesize

      64KB

    • memory/3512-9-0x00007FFDA6E90000-0x00007FFDA7085000-memory.dmp

      Filesize

      2.0MB

    • memory/3512-6-0x00007FFDA6E90000-0x00007FFDA7085000-memory.dmp

      Filesize

      2.0MB

    • memory/3512-7-0x00007FFDA6E90000-0x00007FFDA7085000-memory.dmp

      Filesize

      2.0MB

    • memory/3512-2-0x00007FFD66F10000-0x00007FFD66F20000-memory.dmp

      Filesize

      64KB

    • memory/3512-3-0x00007FFD66F10000-0x00007FFD66F20000-memory.dmp

      Filesize

      64KB

    • memory/3512-0-0x00007FFD66F10000-0x00007FFD66F20000-memory.dmp

      Filesize

      64KB

    • memory/3512-4-0x00007FFDA6E90000-0x00007FFDA7085000-memory.dmp

      Filesize

      2.0MB

    • memory/3512-10-0x00007FFDA6E90000-0x00007FFDA7085000-memory.dmp

      Filesize

      2.0MB

    • memory/3512-8-0x00007FFDA6E90000-0x00007FFDA7085000-memory.dmp

      Filesize

      2.0MB

    • memory/3512-11-0x00007FFD64B90000-0x00007FFD64BA0000-memory.dmp

      Filesize

      64KB

    • memory/3512-13-0x00007FFD64B90000-0x00007FFD64BA0000-memory.dmp

      Filesize

      64KB

    • memory/3512-14-0x00007FFDA6E90000-0x00007FFDA7085000-memory.dmp

      Filesize

      2.0MB

    • memory/3512-5-0x00007FFD66F10000-0x00007FFD66F20000-memory.dmp

      Filesize

      64KB