Analysis

  • max time kernel
    282s
  • max time network
    284s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-09-2024 12:08

General

  • Target

    union_of_taxation_employees_collective_agreement(31442).js

  • Size

    9.0MB

  • MD5

    ebc47d7b05d2cb462f3366cd0a62d595

  • SHA1

    41b1b09e348e0cea83c9840cef8565fbc15e40e4

  • SHA256

    aa69518515803dc5f4126950d94443f0bc281a71b08441b704e2459f4f3f8511

  • SHA512

    ccceaa7db00f1ad820b2171cbfefbad0e554a9c211527e934f364bef84241fe1f021cbd5dd2ac9f652dc84419260789d169d291657d09c6a5e2420e075302d22

  • SSDEEP

    49152:BjF0tlPV9PjF0tlPV9PjF0tlPV9PjF0tlPV9PjF0tlPV9PjF0tlPV9PjF0tlPV9l:aPVWPVWPVWPVWPVWPVWPVD

Malware Config

Signatures

  • GootLoader

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

  • Blocklisted process makes network request 12 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 22 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\union_of_taxation_employees_collective_agreement(31442).js
    1⤵
      PID:2800
    • C:\Windows\system32\wscript.EXE
      C:\Windows\system32\wscript.EXE GUIDEL~1.JS
      1⤵
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:5108
      • C:\Windows\System32\cscript.exe
        "C:\Windows\System32\cscript.exe" GUIDEL~1.JS
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1300
        • 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:4432

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_gca44gzr.iwg.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Roaming\Mozilla\GUIDEL~1.JS

      Filesize

      45.7MB

      MD5

      b66686ad0668f57a7d9fb203ff381d70

      SHA1

      910b44d48d45f7377d231f92666f25608248fa8b

      SHA256

      d9a001b47c965d3b797808e3dde7fcac423b132d1727bc1adb5ad6adda6b1865

      SHA512

      3a28e98fd81af006c6373b1066d15094fdb402663bf602eb15b851e057e312ff1f0957d848ca5e6a2e1ca8115aa74ad9b4fba4d62a84d0c30dbc8098d861093e

    • memory/4432-3-0x0000028576900000-0x0000028576922000-memory.dmp

      Filesize

      136KB

    • memory/4432-13-0x0000028576A80000-0x0000028576AC4000-memory.dmp

      Filesize

      272KB

    • memory/4432-14-0x0000028576F00000-0x0000028576F76000-memory.dmp

      Filesize

      472KB

    • memory/4432-16-0x0000028577130000-0x0000028577154000-memory.dmp

      Filesize

      144KB

    • memory/4432-15-0x0000028577130000-0x000002857715A000-memory.dmp

      Filesize

      168KB