Analysis

  • max time kernel
    59s
  • max time network
    35s
  • 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 22:07

General

  • Target

    97032af50323f120adb5221e3deff2ffc4d2bb50b56130f6e47c4d96c0fb5588.xls

  • Size

    36KB

  • MD5

    7ddd4b98c7a9e4d73caa88f66357ffd6

  • SHA1

    2bcd178cba039ec9826db2270dc504f39d53f15e

  • SHA256

    97032af50323f120adb5221e3deff2ffc4d2bb50b56130f6e47c4d96c0fb5588

  • SHA512

    9d3a5d05937eb0ca578d97f0a134b6dd3e7b5befa3c5c1fc2cf9ea22b4f556fa775e6af74468b387a706ff49dc46eb55e22b2a7313c1c726b567c19547de9670

  • SSDEEP

    768:8PqNk3hbdlylKsgqopeJBWhZFGkE+cL2NdAJlcK0hUoYf+ooT:ook3hbdlylKsgqopeJBWhZFGkE+cL2NF

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\97032af50323f120adb5221e3deff2ffc4d2bb50b56130f6e47c4d96c0fb5588.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:4596
    • C:\Windows\explorer.exe
      explorer.exe C:\Users\Public\Documents\NB127.vbs
      2⤵
      • Process spawned unexpected child process
      PID:3800
  • C:\Windows\explorer.exe
    C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
    1⤵
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:4828
    • C:\Windows\System32\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Public\Documents\NB127.vbs"
      2⤵
        PID:4968

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Public\Documents\NB127.vbs

      Filesize

      597B

      MD5

      33808777eb2b9ed582ba7fdc79781e9c

      SHA1

      bdb5f3b64701de05ef0abfdf4632369d7ab81df4

      SHA256

      45d6efc5d51f8e67751f8e6c03eddb3dd6e1685691977d136d484fa146f679d0

      SHA512

      e8bd296488e5c2a3a2eccde2cdb71fea1da49aae5b679a992d70b69c9904cf5b2500408f9ef4bddc938a47cfac53a207b9a7248776d93882a04abd30e210940f

    • memory/4596-11-0x00007FFC7AEF0000-0x00007FFC7B0E5000-memory.dmp

      Filesize

      2.0MB

    • memory/4596-2-0x00007FFC3AF70000-0x00007FFC3AF80000-memory.dmp

      Filesize

      64KB

    • memory/4596-10-0x00007FFC7AEF0000-0x00007FFC7B0E5000-memory.dmp

      Filesize

      2.0MB

    • memory/4596-17-0x00007FFC7AEF0000-0x00007FFC7B0E5000-memory.dmp

      Filesize

      2.0MB

    • memory/4596-4-0x00007FFC3AF70000-0x00007FFC3AF80000-memory.dmp

      Filesize

      64KB

    • memory/4596-6-0x00007FFC7AEF0000-0x00007FFC7B0E5000-memory.dmp

      Filesize

      2.0MB

    • memory/4596-9-0x00007FFC7AEF0000-0x00007FFC7B0E5000-memory.dmp

      Filesize

      2.0MB

    • memory/4596-8-0x00007FFC7AEF0000-0x00007FFC7B0E5000-memory.dmp

      Filesize

      2.0MB

    • memory/4596-12-0x00007FFC7AEF0000-0x00007FFC7B0E5000-memory.dmp

      Filesize

      2.0MB

    • memory/4596-13-0x00007FFC7AEF0000-0x00007FFC7B0E5000-memory.dmp

      Filesize

      2.0MB

    • memory/4596-14-0x00007FFC38900000-0x00007FFC38910000-memory.dmp

      Filesize

      64KB

    • memory/4596-1-0x00007FFC7AF8D000-0x00007FFC7AF8E000-memory.dmp

      Filesize

      4KB

    • memory/4596-36-0x00007FFC7AEF0000-0x00007FFC7B0E5000-memory.dmp

      Filesize

      2.0MB

    • memory/4596-3-0x00007FFC3AF70000-0x00007FFC3AF80000-memory.dmp

      Filesize

      64KB

    • memory/4596-5-0x00007FFC3AF70000-0x00007FFC3AF80000-memory.dmp

      Filesize

      64KB

    • memory/4596-16-0x00007FFC7AEF0000-0x00007FFC7B0E5000-memory.dmp

      Filesize

      2.0MB

    • memory/4596-19-0x00007FFC7AEF0000-0x00007FFC7B0E5000-memory.dmp

      Filesize

      2.0MB

    • memory/4596-21-0x00007FFC7AEF0000-0x00007FFC7B0E5000-memory.dmp

      Filesize

      2.0MB

    • memory/4596-20-0x00007FFC7AEF0000-0x00007FFC7B0E5000-memory.dmp

      Filesize

      2.0MB

    • memory/4596-18-0x00007FFC7AEF0000-0x00007FFC7B0E5000-memory.dmp

      Filesize

      2.0MB

    • memory/4596-7-0x00007FFC7AEF0000-0x00007FFC7B0E5000-memory.dmp

      Filesize

      2.0MB

    • memory/4596-0-0x00007FFC3AF70000-0x00007FFC3AF80000-memory.dmp

      Filesize

      64KB

    • memory/4596-33-0x00007FFC7AEF0000-0x00007FFC7B0E5000-memory.dmp

      Filesize

      2.0MB

    • memory/4596-34-0x00007FFC7AF8D000-0x00007FFC7AF8E000-memory.dmp

      Filesize

      4KB

    • memory/4596-35-0x00007FFC7AEF0000-0x00007FFC7B0E5000-memory.dmp

      Filesize

      2.0MB

    • memory/4596-15-0x00007FFC38900000-0x00007FFC38910000-memory.dmp

      Filesize

      64KB