Analysis

  • max time kernel
    143s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-02-2024 00:44

General

  • Target

    a7c86b7371927e5e974df51e5b8bbfe5.xlsm

  • Size

    6KB

  • MD5

    a7c86b7371927e5e974df51e5b8bbfe5

  • SHA1

    1a1ab7112be433e35ec3957cb4035e5d2e3cb997

  • SHA256

    e866520f919162d204b3d4632de1ce5e1cc259d0331adc2042adcbaeebbf59db

  • SHA512

    85d71ce0872d45eb9119554ed18faf13147b73bdc395db9ff4a238bbdf283c5135cd48dc31d72fe6a8d8deaf882bcb3b120be0f0d4ea74ebc1bbebc146ea8550

  • SSDEEP

    192:NDSbuS5brA2OmmfR08UhHFBFYuib98y7N+0:NEuuM2w21FYTb98y7J

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

http://46.17.98.187/index.php

Signatures

  • Process spawned suspicious child process 1 IoCs

    This child process is typically not spawned unless (for example) the parent process crashes. This typically indicates the parent process was unsuccessfully compromised.

  • Checks processor information in registry 2 TTPs 6 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 5 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 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\a7c86b7371927e5e974df51e5b8bbfe5.xlsm"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1600
    • C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE
      "C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE" -x -s 4032
      2⤵
      • Process spawned suspicious child process
      • Suspicious use of WriteProcessMemory
      PID:2436
      • C:\Windows\system32\dwwin.exe
        C:\Windows\system32\dwwin.exe -x -s 4032
        3⤵
        • Checks processor information in registry
        • Enumerates system info in registry
        PID:3232
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3940 --field-trial-handle=2284,i,15722001240173834669,15048020084704567542,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:2868

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1600-14-0x00007FF962170000-0x00007FF962180000-memory.dmp

      Filesize

      64KB

    • memory/1600-7-0x00007FF9642F0000-0x00007FF964300000-memory.dmp

      Filesize

      64KB

    • memory/1600-3-0x00007FF9642F0000-0x00007FF964300000-memory.dmp

      Filesize

      64KB

    • memory/1600-0-0x00007FF9642F0000-0x00007FF964300000-memory.dmp

      Filesize

      64KB

    • memory/1600-5-0x00007FF9A4270000-0x00007FF9A4465000-memory.dmp

      Filesize

      2.0MB

    • memory/1600-6-0x00007FF9A4270000-0x00007FF9A4465000-memory.dmp

      Filesize

      2.0MB

    • memory/1600-4-0x00007FF9642F0000-0x00007FF964300000-memory.dmp

      Filesize

      64KB

    • memory/1600-17-0x00007FF962170000-0x00007FF962180000-memory.dmp

      Filesize

      64KB

    • memory/1600-8-0x00007FF9A4270000-0x00007FF9A4465000-memory.dmp

      Filesize

      2.0MB

    • memory/1600-9-0x00007FF9A4270000-0x00007FF9A4465000-memory.dmp

      Filesize

      2.0MB

    • memory/1600-10-0x00007FF9A4270000-0x00007FF9A4465000-memory.dmp

      Filesize

      2.0MB

    • memory/1600-11-0x00007FF9A4270000-0x00007FF9A4465000-memory.dmp

      Filesize

      2.0MB

    • memory/1600-12-0x00007FF9A4270000-0x00007FF9A4465000-memory.dmp

      Filesize

      2.0MB

    • memory/1600-39-0x00007FF9A4270000-0x00007FF9A4465000-memory.dmp

      Filesize

      2.0MB

    • memory/1600-15-0x00007FF9A4270000-0x00007FF9A4465000-memory.dmp

      Filesize

      2.0MB

    • memory/1600-16-0x00007FF9A4270000-0x00007FF9A4465000-memory.dmp

      Filesize

      2.0MB

    • memory/1600-2-0x00007FF9A4270000-0x00007FF9A4465000-memory.dmp

      Filesize

      2.0MB

    • memory/1600-1-0x00007FF9642F0000-0x00007FF964300000-memory.dmp

      Filesize

      64KB

    • memory/1600-13-0x00007FF9A4270000-0x00007FF9A4465000-memory.dmp

      Filesize

      2.0MB

    • memory/2436-42-0x00007FF9642F0000-0x00007FF964300000-memory.dmp

      Filesize

      64KB

    • memory/2436-27-0x00007FF9A4270000-0x00007FF9A4465000-memory.dmp

      Filesize

      2.0MB

    • memory/2436-34-0x00007FF9A4270000-0x00007FF9A4465000-memory.dmp

      Filesize

      2.0MB

    • memory/2436-33-0x00007FF9A4270000-0x00007FF9A4465000-memory.dmp

      Filesize

      2.0MB

    • memory/2436-31-0x00007FF9A4270000-0x00007FF9A4465000-memory.dmp

      Filesize

      2.0MB

    • memory/2436-29-0x00007FF9A4270000-0x00007FF9A4465000-memory.dmp

      Filesize

      2.0MB

    • memory/2436-32-0x00007FF9A4270000-0x00007FF9A4465000-memory.dmp

      Filesize

      2.0MB

    • memory/2436-30-0x00007FF9A4270000-0x00007FF9A4465000-memory.dmp

      Filesize

      2.0MB

    • memory/2436-46-0x00007FF9A4270000-0x00007FF9A4465000-memory.dmp

      Filesize

      2.0MB

    • memory/2436-44-0x00007FF9642F0000-0x00007FF964300000-memory.dmp

      Filesize

      64KB

    • memory/2436-43-0x00007FF9642F0000-0x00007FF964300000-memory.dmp

      Filesize

      64KB

    • memory/2436-45-0x00007FF9642F0000-0x00007FF964300000-memory.dmp

      Filesize

      64KB

    • memory/2436-47-0x00007FF9A4270000-0x00007FF9A4465000-memory.dmp

      Filesize

      2.0MB

    • memory/2436-48-0x00007FF9A4270000-0x00007FF9A4465000-memory.dmp

      Filesize

      2.0MB