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 22:12

General

  • Target

    580b70c690d00c5967ac66350c247fa82f022ac6c021121adebdc9a61b6a0bc8.xls

  • Size

    36KB

  • MD5

    f3cb225da8977ea6a8114b0e505a6378

  • SHA1

    eb7a9968dbf4d1e09021addc3b5da5195cfe5730

  • SHA256

    580b70c690d00c5967ac66350c247fa82f022ac6c021121adebdc9a61b6a0bc8

  • SHA512

    3c1f76a17b56627f7ee146cfaa5470e37453e8cd8ec62c99499d9f70994c1a1f0609a73759ee825f51d4feee375162cc83c30c58dfdcea0ce512b0e2f8813afb

  • SSDEEP

    768:kPqNk3hbdlylKsgqopeJBWhZFGkE+cL2NdAJWbrQYUN19EcpVR:Aok3hbdlylKsgqopeJBWhZFGkE+cL2NI

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\580b70c690d00c5967ac66350c247fa82f022ac6c021121adebdc9a61b6a0bc8.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:4996
    • C:\Windows\explorer.exe
      explorer.exe C:\Users\Public\Documents\v1sL27.vbs
      2⤵
      • Process spawned unexpected child process
      PID:1824
  • C:\Windows\explorer.exe
    C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
    1⤵
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:3868
    • C:\Windows\System32\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Public\Documents\v1sL27.vbs"
      2⤵
        PID:2164

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Public\Documents\v1sL27.vbs

      Filesize

      557B

      MD5

      b22bcfc73cf8e6a86ced79ca6ef2c207

      SHA1

      6940977ef8fc23606808118bafbbe77e350c225f

      SHA256

      9b60c521aee21bca191c7403766a146de0b5391eb8cdbe29d77c5a0f8f705455

      SHA512

      fae3ff23540b18fcd7ffce4ded2a3a11d6276c04d25d0fedcbc46e90e50db71a37ebccb11f8ac1a09dae8674dd3e16f7ab60b55b8470c3e337c3728ca19c44bd

    • memory/4996-5-0x00007FFBA0CB0000-0x00007FFBA0CC0000-memory.dmp

      Filesize

      64KB

    • memory/4996-3-0x00007FFBE0CCD000-0x00007FFBE0CCE000-memory.dmp

      Filesize

      4KB

    • memory/4996-0-0x00007FFBA0CB0000-0x00007FFBA0CC0000-memory.dmp

      Filesize

      64KB

    • memory/4996-7-0x00007FFBE0C30000-0x00007FFBE0E25000-memory.dmp

      Filesize

      2.0MB

    • memory/4996-6-0x00007FFBE0C30000-0x00007FFBE0E25000-memory.dmp

      Filesize

      2.0MB

    • memory/4996-2-0x00007FFBA0CB0000-0x00007FFBA0CC0000-memory.dmp

      Filesize

      64KB

    • memory/4996-4-0x00007FFBE0C30000-0x00007FFBE0E25000-memory.dmp

      Filesize

      2.0MB

    • memory/4996-8-0x00007FFBA0CB0000-0x00007FFBA0CC0000-memory.dmp

      Filesize

      64KB

    • memory/4996-9-0x00007FFBE0C30000-0x00007FFBE0E25000-memory.dmp

      Filesize

      2.0MB

    • memory/4996-10-0x00007FFB9EC50000-0x00007FFB9EC60000-memory.dmp

      Filesize

      64KB

    • memory/4996-11-0x00007FFB9EC50000-0x00007FFB9EC60000-memory.dmp

      Filesize

      64KB

    • memory/4996-1-0x00007FFBA0CB0000-0x00007FFBA0CC0000-memory.dmp

      Filesize

      64KB

    • memory/4996-23-0x00007FFBE0C30000-0x00007FFBE0E25000-memory.dmp

      Filesize

      2.0MB