Analysis

  • max time kernel
    149s
  • max time network
    115s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-02-2024 10:10

General

  • Target

    ae41465505f5e3112df8bf3071f00722.xls

  • Size

    36KB

  • MD5

    ae41465505f5e3112df8bf3071f00722

  • SHA1

    6cdcd3ef1be0dba601599a7f049b329d52f607c8

  • SHA256

    a94d88d532c1bc66f823784f02f93a8302dbfcc4d9e3285af23d023657a303f9

  • SHA512

    2345a41ab8fe3807c76b12c870d6f6b33ae7b8a2ad374b7b0a388a0fa3e5415ad261135d26bc4cc86b4aca07ccf7b4f9defbd69a037429a94c7771c35ab4a7c3

  • SSDEEP

    768:nPqNk3hbdlylKsgqopeJBWhZFGkE+cL2NdAJTKFCjh0PBc4jeK:Pok3hbdlylKsgqopeJBWhZFGkE+cL2NB

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\ae41465505f5e3112df8bf3071f00722.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:2548
    • C:\Windows\explorer.exe
      explorer.exe C:\Users\Public\Documents\a5SV.vbs
      2⤵
      • Process spawned unexpected child process
      PID:2824
  • C:\Windows\explorer.exe
    C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
    1⤵
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:2888
    • C:\Windows\System32\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Public\Documents\a5SV.vbs"
      2⤵
        PID:3856

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Public\Documents\a5SV.vbs

      Filesize

      542B

      MD5

      1801bf56d0920860df4e2f947ab4c6ca

      SHA1

      3a50bdeb2d8e79f71058cf9f50d5102370062604

      SHA256

      2bf88180ac74c0ca05f2e27a7751d050fa9a801f52c278b7b2c07547f0e9a14f

      SHA512

      1637ab28baea6d09425414df990b928cb5538dd8dc3d830f6f6ccd8803f95d2ab42fd01420c0159540382086638c3448023afdf3979fcf26de8a920bc60f3f76

    • memory/2548-12-0x00007FFD7E910000-0x00007FFD7EB05000-memory.dmp

      Filesize

      2.0MB

    • memory/2548-3-0x00007FFD7E910000-0x00007FFD7EB05000-memory.dmp

      Filesize

      2.0MB

    • memory/2548-14-0x00007FFD7E910000-0x00007FFD7EB05000-memory.dmp

      Filesize

      2.0MB

    • memory/2548-15-0x00007FFD7E910000-0x00007FFD7EB05000-memory.dmp

      Filesize

      2.0MB

    • memory/2548-4-0x00007FFD3E990000-0x00007FFD3E9A0000-memory.dmp

      Filesize

      64KB

    • memory/2548-6-0x00007FFD7E910000-0x00007FFD7EB05000-memory.dmp

      Filesize

      2.0MB

    • memory/2548-7-0x00007FFD3E990000-0x00007FFD3E9A0000-memory.dmp

      Filesize

      64KB

    • memory/2548-8-0x00007FFD7E910000-0x00007FFD7EB05000-memory.dmp

      Filesize

      2.0MB

    • memory/2548-10-0x00007FFD3C240000-0x00007FFD3C250000-memory.dmp

      Filesize

      64KB

    • memory/2548-9-0x00007FFD7E910000-0x00007FFD7EB05000-memory.dmp

      Filesize

      2.0MB

    • memory/2548-11-0x00007FFD7E910000-0x00007FFD7EB05000-memory.dmp

      Filesize

      2.0MB

    • memory/2548-0-0x00007FFD3E990000-0x00007FFD3E9A0000-memory.dmp

      Filesize

      64KB

    • memory/2548-33-0x00007FFD7E910000-0x00007FFD7EB05000-memory.dmp

      Filesize

      2.0MB

    • memory/2548-1-0x00007FFD3E990000-0x00007FFD3E9A0000-memory.dmp

      Filesize

      64KB

    • memory/2548-5-0x00007FFD7E910000-0x00007FFD7EB05000-memory.dmp

      Filesize

      2.0MB

    • memory/2548-16-0x00007FFD7E910000-0x00007FFD7EB05000-memory.dmp

      Filesize

      2.0MB

    • memory/2548-17-0x00007FFD7E910000-0x00007FFD7EB05000-memory.dmp

      Filesize

      2.0MB

    • memory/2548-18-0x00007FFD7E910000-0x00007FFD7EB05000-memory.dmp

      Filesize

      2.0MB

    • memory/2548-20-0x00007FFD7E910000-0x00007FFD7EB05000-memory.dmp

      Filesize

      2.0MB

    • memory/2548-19-0x00007FFD7E910000-0x00007FFD7EB05000-memory.dmp

      Filesize

      2.0MB

    • memory/2548-21-0x00007FFD7E910000-0x00007FFD7EB05000-memory.dmp

      Filesize

      2.0MB

    • memory/2548-22-0x00007FFD7E910000-0x00007FFD7EB05000-memory.dmp

      Filesize

      2.0MB

    • memory/2548-23-0x00007FFD7E910000-0x00007FFD7EB05000-memory.dmp

      Filesize

      2.0MB

    • memory/2548-2-0x00007FFD3E990000-0x00007FFD3E9A0000-memory.dmp

      Filesize

      64KB

    • memory/2548-32-0x00007FFD7E910000-0x00007FFD7EB05000-memory.dmp

      Filesize

      2.0MB

    • memory/2548-13-0x00007FFD3C240000-0x00007FFD3C250000-memory.dmp

      Filesize

      64KB