Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-09-2024 12:03

General

  • Target

    cefe81ea428bdb45033875b07539d8e77f6c55f3488838cf17033cb4f87f4399.js

  • Size

    9.3MB

  • MD5

    903fcfc5a11c336dfc5d9d881c2c8ac3

  • SHA1

    c21eaf136cf4bc6d3a7f17496b8c164920b5a9b5

  • SHA256

    cefe81ea428bdb45033875b07539d8e77f6c55f3488838cf17033cb4f87f4399

  • SHA512

    afa27bacd7335d7389c194c5aa4ea776cb46bb50418eb263095f260431eec2269764b5ad9943423c3c4e132c45605f7ed1a10e4c3360f24d8470e17f1757f48f

  • SSDEEP

    49152:W9canpP9w8LZ4WG/s+LfHQH9canpP9w8LZ4WG/s+LfHQH9canpP9w8LZ4WG/s+Lr:W777777q

Malware Config

Signatures

  • GootLoader

    JavaScript loader known for delivering other families such as Gootkit and Cobaltstrike.

  • Blocklisted process makes network request 4 IoCs
  • 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).

  • Modifies registry class 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe C:\Users\Admin\AppData\Local\Temp\cefe81ea428bdb45033875b07539d8e77f6c55f3488838cf17033cb4f87f4399.js
    1⤵
      PID:1772
    • C:\Windows\system32\wscript.EXE
      C:\Windows\system32\wscript.EXE NETWOR~1.JS
      1⤵
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:1532
      • C:\Windows\System32\cscript.exe
        "C:\Windows\System32\cscript.exe" "NETWOR~1.JS"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:5084
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell
          3⤵
          • Blocklisted process makes network request
          • Modifies registry class
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1604

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_0jen1ve5.uzo.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Roaming\Sun\NETWOR~1.JS

      Filesize

      47.3MB

      MD5

      62cacd71b8e01686363b5154ade6f872

      SHA1

      d399d7e0cd7334b68413eded43e8f71273b9bbbc

      SHA256

      f0be0c17a27cacca5a25946d9c2c91cdcd323a3bdfbc9402ef8396f49c3c9223

      SHA512

      2573a661378d4f741866a67a6260e3055a50cedca896e23a8d428bb2dd4ded06989d36e9376e5cb939c38980fe3d43157ce5d3f7004107a4e1becc841080215e

    • memory/1604-8-0x000001F8D5340000-0x000001F8D5362000-memory.dmp

      Filesize

      136KB

    • memory/1604-13-0x000001F8D7670000-0x000001F8D76B4000-memory.dmp

      Filesize

      272KB

    • memory/1604-14-0x000001F8D7A90000-0x000001F8D7B06000-memory.dmp

      Filesize

      472KB

    • memory/1604-15-0x000001F8D7CD0000-0x000001F8D7CFA000-memory.dmp

      Filesize

      168KB

    • memory/1604-16-0x000001F8D7CD0000-0x000001F8D7CF4000-memory.dmp

      Filesize

      144KB