Analysis

  • max time kernel
    144s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    07-09-2024 01:24

General

  • Target

    743569106872154115ba9aa6c4d354ebacb7cb9db052306416f4e3890b994239.js

  • Size

    7KB

  • MD5

    4fcc56b7dbee1342e383030ab4be2e4a

  • SHA1

    63f5f4aa8bc732b9e678e64003f3760ee04c803e

  • SHA256

    743569106872154115ba9aa6c4d354ebacb7cb9db052306416f4e3890b994239

  • SHA512

    07ae0d9c24c3857b058f52cc6719196133e50da699b065e96a27b7e7629a37fede86479884ffddce3b5ba4b38aca95ba4f419fe9eb48cc1effc0a33d5a7606ed

  • SSDEEP

    192:PgDlcwvjBSx2FHIdPNLSxMISUEcwvjszhczS8McInkjHcZSfAIcLcRSTJcwvjG/i:PB47

Score
9/10

Malware Config

Signatures

  • Detect jar appended to MSI 1 IoCs
  • Blocklisted process makes network request 1 IoCs
  • Command and Scripting Interpreter: JavaScript 1 TTPs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe C:\Users\Admin\AppData\Local\Temp\743569106872154115ba9aa6c4d354ebacb7cb9db052306416f4e3890b994239.js
    1⤵
    • Blocklisted process makes network request
    • Suspicious use of WriteProcessMemory
    PID:2440
    • C:\Windows\System32\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\JLLUMC.js"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2772
      • C:\Program Files\Java\jre7\bin\javaw.exe
        "C:\Program Files\Java\jre7\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Local\Temp\VjX.jar"
        3⤵
          PID:2656

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\JLLUMC.js

      Filesize

      367KB

      MD5

      961caa8b91ecbca3ce8601dc4a515e51

      SHA1

      8480098196ccd298f122bbe9cc463954ddc0f241

      SHA256

      320ccbaab0c9d5cd7da65b3323b6e3d3cf36c5010d7f80598861150fa809eceb

      SHA512

      ce591541e0f3ff5d4781dd04c902336ff3b6b416934516c25d11886195d5829bbc13d20e5489811c8995c083b1842f090171e4f6cbf249a64cd1c78f580a72a7

    • C:\Users\Admin\AppData\Local\Temp\VjX.jar

      Filesize

      258KB

      MD5

      e47c15a77ec5efc447b41c23dd4760bc

      SHA1

      ebd7c32dd6ba13a999e2f05552e6e432d9d49035

      SHA256

      5f6f4c0f820e97ca6c40d16d25ca1e24010c4f4e3462f4f79c0de8e886528b2a

      SHA512

      c34daf6940637261e3e596187d9e82c0aecc9f5dc3099126fa8cdc4e8ac596128fc2ce16b829933b802aa0f83e3c916de427f59474636d56ce7bb22f73e0ea35

    • memory/2656-9-0x00000000025E0000-0x0000000002850000-memory.dmp

      Filesize

      2.4MB

    • memory/2656-17-0x0000000000140000-0x0000000000141000-memory.dmp

      Filesize

      4KB

    • memory/2656-24-0x0000000000140000-0x0000000000141000-memory.dmp

      Filesize

      4KB

    • memory/2656-25-0x0000000000140000-0x0000000000141000-memory.dmp

      Filesize

      4KB

    • memory/2656-31-0x0000000000140000-0x0000000000141000-memory.dmp

      Filesize

      4KB

    • memory/2656-35-0x0000000000140000-0x0000000000141000-memory.dmp

      Filesize

      4KB

    • memory/2656-36-0x0000000000140000-0x0000000000141000-memory.dmp

      Filesize

      4KB

    • memory/2656-40-0x0000000000140000-0x0000000000141000-memory.dmp

      Filesize

      4KB

    • memory/2656-42-0x0000000000140000-0x0000000000141000-memory.dmp

      Filesize

      4KB

    • memory/2656-44-0x0000000000140000-0x0000000000141000-memory.dmp

      Filesize

      4KB

    • memory/2656-45-0x0000000000140000-0x0000000000141000-memory.dmp

      Filesize

      4KB

    • memory/2656-48-0x0000000000140000-0x0000000000141000-memory.dmp

      Filesize

      4KB

    • memory/2656-70-0x0000000000140000-0x0000000000141000-memory.dmp

      Filesize

      4KB

    • memory/2656-55-0x0000000000140000-0x0000000000141000-memory.dmp

      Filesize

      4KB

    • memory/2656-75-0x0000000000140000-0x0000000000141000-memory.dmp

      Filesize

      4KB

    • memory/2656-79-0x0000000000140000-0x0000000000141000-memory.dmp

      Filesize

      4KB

    • memory/2656-86-0x0000000000140000-0x0000000000141000-memory.dmp

      Filesize

      4KB

    • memory/2656-89-0x0000000000140000-0x0000000000141000-memory.dmp

      Filesize

      4KB

    • memory/2656-97-0x0000000000140000-0x0000000000141000-memory.dmp

      Filesize

      4KB

    • memory/2656-99-0x0000000000140000-0x0000000000141000-memory.dmp

      Filesize

      4KB

    • memory/2656-142-0x00000000025E0000-0x0000000002850000-memory.dmp

      Filesize

      2.4MB