Analysis

  • max time kernel
    59s
  • max time network
    33s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-09-2024 22:10

General

  • Target

    02296ed58ecfeab3d9b8a56ed1e716d1037d94b88dac28ded63434d816aa17b6.xls

  • Size

    36KB

  • MD5

    e565b4dda7fe0d849b98d8a9023fbf7a

  • SHA1

    45ce531710f0bc2b6e82e3900cf363b1a9258b75

  • SHA256

    02296ed58ecfeab3d9b8a56ed1e716d1037d94b88dac28ded63434d816aa17b6

  • SHA512

    77e3719bea4b878426386231f5723a080bf2e748c287a9ea8488d77c11f55319243ebdee1997f7644d7bc1d921ba2754f0a9dcd80e65d22dd4a1669d5bbfbe8d

  • SSDEEP

    768:gPqNk3hbdlylKsgqopeJBWhZFGkE+cL2NdAJieRjSjtRuHqcTai8e:sok3hbdlylKsgqopeJBWhZFGkE+cL2Nm

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\02296ed58ecfeab3d9b8a56ed1e716d1037d94b88dac28ded63434d816aa17b6.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:2556
    • C:\Windows\explorer.exe
      explorer.exe C:\Users\Public\Documents\YrkHXr.vbs
      2⤵
      • Process spawned unexpected child process
      PID:2716
  • C:\Windows\explorer.exe
    C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
    1⤵
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:4188
    • C:\Windows\System32\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Public\Documents\YrkHXr.vbs"
      2⤵
        PID:3972

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      580B

      MD5

      e44f54f266828b01033e537ef1ea23d3

      SHA1

      98695dacefc757ef56d39f0eda3200f7a3708c52

      SHA256

      8b66942c59fa01cea50ed02e8fc9fed096fa8c981ef8e16dc4a5a216271ebd60

      SHA512

      65e7e53b287df0ca76f38514f1739d020ed9c91583708e821ec806094c3d5ce8f36fc4e4eba6b4fffc7aab625c430e06121d3035371ccc2a4cddfbf2076f72be

    • memory/2556-11-0x00007FFE75010000-0x00007FFE75205000-memory.dmp

      Filesize

      2.0MB

    • memory/2556-6-0x00007FFE75010000-0x00007FFE75205000-memory.dmp

      Filesize

      2.0MB

    • memory/2556-10-0x00007FFE75010000-0x00007FFE75205000-memory.dmp

      Filesize

      2.0MB

    • memory/2556-5-0x00007FFE75010000-0x00007FFE75205000-memory.dmp

      Filesize

      2.0MB

    • memory/2556-9-0x00007FFE75010000-0x00007FFE75205000-memory.dmp

      Filesize

      2.0MB

    • memory/2556-7-0x00007FFE35090000-0x00007FFE350A0000-memory.dmp

      Filesize

      64KB

    • memory/2556-4-0x00007FFE35090000-0x00007FFE350A0000-memory.dmp

      Filesize

      64KB

    • memory/2556-8-0x00007FFE75010000-0x00007FFE75205000-memory.dmp

      Filesize

      2.0MB

    • memory/2556-3-0x00007FFE35090000-0x00007FFE350A0000-memory.dmp

      Filesize

      64KB

    • memory/2556-2-0x00007FFE35090000-0x00007FFE350A0000-memory.dmp

      Filesize

      64KB

    • memory/2556-1-0x00007FFE35090000-0x00007FFE350A0000-memory.dmp

      Filesize

      64KB

    • memory/2556-12-0x00007FFE32B70000-0x00007FFE32B80000-memory.dmp

      Filesize

      64KB

    • memory/2556-13-0x00007FFE32B70000-0x00007FFE32B80000-memory.dmp

      Filesize

      64KB

    • memory/2556-0-0x00007FFE750AD000-0x00007FFE750AE000-memory.dmp

      Filesize

      4KB

    • memory/2556-25-0x00007FFE75010000-0x00007FFE75205000-memory.dmp

      Filesize

      2.0MB

    • memory/2556-26-0x00007FFE750AD000-0x00007FFE750AE000-memory.dmp

      Filesize

      4KB

    • memory/2556-27-0x00007FFE75010000-0x00007FFE75205000-memory.dmp

      Filesize

      2.0MB