Analysis

  • max time kernel
    147s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/07/2023, 07:31

General

  • Target
    POP 4888999525.js
  • Size 335KB
  • Sample230731-jcc9dsec6x
  • SHA256 99feb902857229fff2ca72162768e7bdf6d6677de01dff2bb3c96b4876f5d240
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops file in Program Files directory 12 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe "C:\Users\Admin\AppData\Local\Temp\POP 4888999525.js"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:760
    • C:\Program Files\Java\jre1.8.0_66\bin\javaw.exe
      "C:\Program Files\Java\jre1.8.0_66\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Roaming\jllmbxg.txt"
      2⤵
      • Drops file in Program Files directory
      PID:4984

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        jllmbxg.txt

        • Path C:\Users\Admin\AppData\Roaming\jllmbxg.txt
        • Size 164KB
        • SHA256 ab6f8c51d1f15a18cd23e1ad5a34c82c83746befb7d11cce2860c971be35adaa
        • MD5 SHA1 SHA512 SSDEEP

        memory/4984-137-0x00000000026C0000-0x00000000036C0000-memory.dmp

        memory/4984-146-0x0000000000A50000-0x0000000000A51000-memory.dmp

        memory/4984-148-0x0000000000A50000-0x0000000000A51000-memory.dmp

        memory/4984-156-0x00000000026C0000-0x00000000036C0000-memory.dmp

        memory/4984-157-0x00000000026C0000-0x00000000036C0000-memory.dmp

        memory/4984-158-0x0000000000A50000-0x0000000000A51000-memory.dmp

        memory/4984-165-0x00000000026C0000-0x00000000036C0000-memory.dmp

        memory/4984-172-0x0000000000A50000-0x0000000000A51000-memory.dmp

        memory/4984-173-0x0000000000A50000-0x0000000000A51000-memory.dmp

        memory/4984-178-0x00000000026C0000-0x00000000036C0000-memory.dmp

        memory/4984-181-0x0000000002960000-0x0000000002970000-memory.dmp

        memory/4984-182-0x00000000029C0000-0x00000000029D0000-memory.dmp

        memory/4984-183-0x0000000002990000-0x00000000029A0000-memory.dmp

        memory/4984-184-0x00000000026C0000-0x00000000036C0000-memory.dmp

        memory/4984-185-0x00000000029A0000-0x00000000029B0000-memory.dmp

        memory/4984-186-0x00000000029B0000-0x00000000029C0000-memory.dmp

        memory/4984-187-0x00000000026C0000-0x00000000036C0000-memory.dmp