Analysis

  • max time kernel
    150s
  • max time network
    152s
  • 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 18:13

General

  • Target

    af249c7fb27413495971c8588f3d42c9.xls

  • Size

    36KB

  • MD5

    af249c7fb27413495971c8588f3d42c9

  • SHA1

    42b3ce6a60e817547519f9f03967ab7135ec65e6

  • SHA256

    230fcf27eda1602129a154d1ef142710b4c256eb23f11ab3a1d7e8dc048f0e08

  • SHA512

    7b9b583bd45cece2cd4e158a7a5059c4efa55180349b9fc02a9e5d1d6b1cb046e0b94ec80110999797cf9459bfae0ace0f20e27e77b1c30397ac649c260779d3

  • SSDEEP

    768:EPqNk3hbdlylKsgqopeJBWhZFGkE+cL2NdAJrlvqa63faq:gok3hbdlylKsgqopeJBWhZFGkE+cL2Nx

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\af249c7fb27413495971c8588f3d42c9.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:4068
    • C:\Windows\explorer.exe
      explorer.exe C:\Users\Public\Documents\wvpiEZz.vbs
      2⤵
      • Process spawned unexpected child process
      PID:4036
  • C:\Windows\explorer.exe
    C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
    1⤵
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:4164
    • C:\Windows\System32\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Public\Documents\wvpiEZz.vbs"
      2⤵
        PID:740

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      555B

      MD5

      7fad053382894714a259e22bf4fb59bf

      SHA1

      2083f4031814e6599568607132b338b531cbd7d5

      SHA256

      0f62d0fa97be99b767860256e4b6af1a6c9444bb1c0f2a14b7734e42b6e9a172

      SHA512

      b64757be949ee9fe3226ecd72c9ae6ad35af591a46514aaf7c4c11b5a55d447fc1b223ab5d65a3700fb40ec3347468eea40625a49e18f7af2e032470c423323b

    • memory/4068-10-0x00007FFDECBB0000-0x00007FFDECDA5000-memory.dmp

      Filesize

      2.0MB

    • memory/4068-3-0x00007FFDECBB0000-0x00007FFDECDA5000-memory.dmp

      Filesize

      2.0MB

    • memory/4068-13-0x00007FFDAA640000-0x00007FFDAA650000-memory.dmp

      Filesize

      64KB

    • memory/4068-5-0x00007FFDECBB0000-0x00007FFDECDA5000-memory.dmp

      Filesize

      2.0MB

    • memory/4068-4-0x00007FFDACC30000-0x00007FFDACC40000-memory.dmp

      Filesize

      64KB

    • memory/4068-6-0x00007FFDECBB0000-0x00007FFDECDA5000-memory.dmp

      Filesize

      2.0MB

    • memory/4068-7-0x00007FFDACC30000-0x00007FFDACC40000-memory.dmp

      Filesize

      64KB

    • memory/4068-8-0x00007FFDECBB0000-0x00007FFDECDA5000-memory.dmp

      Filesize

      2.0MB

    • memory/4068-14-0x00007FFDECBB0000-0x00007FFDECDA5000-memory.dmp

      Filesize

      2.0MB

    • memory/4068-0-0x00007FFDACC30000-0x00007FFDACC40000-memory.dmp

      Filesize

      64KB

    • memory/4068-29-0x00007FFDECBB0000-0x00007FFDECDA5000-memory.dmp

      Filesize

      2.0MB

    • memory/4068-1-0x00007FFDACC30000-0x00007FFDACC40000-memory.dmp

      Filesize

      64KB

    • memory/4068-9-0x00007FFDECBB0000-0x00007FFDECDA5000-memory.dmp

      Filesize

      2.0MB

    • memory/4068-12-0x00007FFDECBB0000-0x00007FFDECDA5000-memory.dmp

      Filesize

      2.0MB

    • memory/4068-15-0x00007FFDAA640000-0x00007FFDAA650000-memory.dmp

      Filesize

      64KB

    • memory/4068-17-0x00007FFDECBB0000-0x00007FFDECDA5000-memory.dmp

      Filesize

      2.0MB

    • memory/4068-18-0x00007FFDECBB0000-0x00007FFDECDA5000-memory.dmp

      Filesize

      2.0MB

    • memory/4068-16-0x00007FFDECBB0000-0x00007FFDECDA5000-memory.dmp

      Filesize

      2.0MB

    • memory/4068-2-0x00007FFDACC30000-0x00007FFDACC40000-memory.dmp

      Filesize

      64KB

    • memory/4068-27-0x00007FFDECBB0000-0x00007FFDECDA5000-memory.dmp

      Filesize

      2.0MB

    • memory/4068-28-0x00007FFDECBB0000-0x00007FFDECDA5000-memory.dmp

      Filesize

      2.0MB

    • memory/4068-11-0x00007FFDECBB0000-0x00007FFDECDA5000-memory.dmp

      Filesize

      2.0MB