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26-11-2024 05:37

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26-11-2024 05:28

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Analysis

  • max time kernel
    279s
  • max time network
    299s
  • platform
    windows10-ltsc 2021_x64
  • resource
    win10ltsc2021-20241023-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20241023-enlocale:en-usos:windows10-ltsc 2021-x64system
  • submitted
    26-11-2024 05:28

General

  • Target

    sample.js

  • Size

    66KB

  • MD5

    871ec2c9c1f5fb35e9aeccc269714074

  • SHA1

    1e74f1f8acb9dd1248996fda1b68a5a970a1ca83

  • SHA256

    5a2775ce2aae72216b9aca4ab5c16fcb097f23c8d0f1698f68585ff2db64a677

  • SHA512

    e56a0e5aa5614a22d0f859098410accb0c1d44fab50b9e47396dd7c36c7e1938a636643c4ab1ca99a89aafbb9931fc7f085dacee03ed019eb7eb52d0ad6926d9

  • SSDEEP

    1536:U69UFLCCwNieoupehNFZuSuWtWWxSRoH1rjWAkSSpcEqN2RI6ZsnJVr+5va0Ym6C:T9UFLhwjLRoH1rjWAkSSpcEqN2RI6Zsm

Malware Config

Signatures

  • Detected potential entity reuse from brand MICROSOFT.
  • Drops file in Windows directory 4 IoCs
  • Command and Scripting Interpreter: JavaScript 1 TTPs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
  • Modifies data under HKEY_USERS 5 IoCs
  • Modifies registry class 50 IoCs
  • Suspicious use of AdjustPrivilegeToken 8 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe C:\Users\Admin\AppData\Local\Temp\sample.js
    1⤵
      PID:2184
    • C:\Windows\System32\rundll32.exe
      C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
      1⤵
        PID:2620
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k SDRSVC
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2356
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k LocalService -p -s fdPHost
        1⤵
          PID:2920
        • C:\Windows\System32\oobe\UserOOBEBroker.exe
          C:\Windows\System32\oobe\UserOOBEBroker.exe -Embedding
          1⤵
          • Drops file in Windows directory
          PID:3272
        • C:\Users\Admin\AppData\Local\Microsoft\OneDrive\18.151.0729.0013\FileCoAuth.exe
          C:\Users\Admin\AppData\Local\Microsoft\OneDrive\18.151.0729.0013\FileCoAuth.exe -Embedding
          1⤵
          • System Location Discovery: System Language Discovery
          PID:3336
        • C:\Windows\system32\wwahost.exe
          "C:\Windows\system32\wwahost.exe" -ServerName:App.wwa
          1⤵
          • Modifies Internet Explorer settings
          • Modifies data under HKEY_USERS
          • Modifies registry class
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:844

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.CloudExperienceHost_cw5n1h2txyewy\AC\Microsoft\Internet Explorer\DOMStore\40FMNPW9\account.live[1].xml

          Filesize

          13B

          MD5

          c1ddea3ef6bbef3e7060a1a9ad89e4c5

          SHA1

          35e3224fcbd3e1af306f2b6a2c6bbea9b0867966

          SHA256

          b71e4d17274636b97179ba2d97c742735b6510eb54f22893d3a2daff2ceb28db

          SHA512

          6be8cec7c862afae5b37aa32dc5bb45912881a3276606da41bf808a4ef92c318b355e616bf45a257b995520d72b7c08752c0be445dceade5cf79f73480910fed

        • C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.CloudExperienceHost_cw5n1h2txyewy\LocalState\_sessionState.json

          Filesize

          119B

          MD5

          b5f7503592869da629440b518a9188df

          SHA1

          a228d91baaf6d06fd4049d3908492c58a9b7eee2

          SHA256

          5a8a278f47ab6112f94b75af5402ff43112bd70897df99b0bc554d77edac2ed3

          SHA512

          ea33bb35cd9373a0037180c01704d66d7a758b4a5ce8480d1302076e8c31f97516ec466635a48f4a77a01cc8ca27ac2045e9391582f93fd9b7ec23e28eeeda07

        • memory/844-208-0x000001F3BFFE0000-0x000001F3C0000000-memory.dmp

          Filesize

          128KB

        • memory/844-305-0x000001F3C2F60000-0x000001F3C2F80000-memory.dmp

          Filesize

          128KB

        • memory/844-311-0x000001F3D3270000-0x000001F3D3370000-memory.dmp

          Filesize

          1024KB

        • memory/844-352-0x000001F3D3600000-0x000001F3D3700000-memory.dmp

          Filesize

          1024KB

        • memory/844-327-0x000001F3D3600000-0x000001F3D3700000-memory.dmp

          Filesize

          1024KB

        • memory/844-521-0x000001F3D3270000-0x000001F3D3370000-memory.dmp

          Filesize

          1024KB

        • memory/844-526-0x000001F3C0E60000-0x000001F3C0F60000-memory.dmp

          Filesize

          1024KB