Analysis

  • max time kernel
    131s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-09-2024 14:12

General

  • Target

    b72dc2b479a9f8a1a9e55eb6bd21a823d4f5ccefc20e566b3d00fd8811185a7f.js

  • Size

    10.6MB

  • MD5

    1d0bf84687e2a729b33f415e558e7fdb

  • SHA1

    cc4e6437fa0a216540b10498c7d5e7c7854b4550

  • SHA256

    b72dc2b479a9f8a1a9e55eb6bd21a823d4f5ccefc20e566b3d00fd8811185a7f

  • SHA512

    950bd85e04d2be8aab4f68d7cbba73144557bd4a08c7086a8805f01260b19f8ea069ecb9caa15f5dcadd0e4e2b7baf963fa0cfecb6939054750560d168c14391

  • SSDEEP

    49152:ZZmKvXnWYiwPNgEHF/s+LfHQeZmKvXnWYiwPNgEHF/s+LfHQeZmKvXnWYiwPNgE1:Z1F1F1F1F1F1F1F1z

Malware Config

Signatures

  • GootLoader

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

  • Blocklisted process makes network request 2 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 6 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\b72dc2b479a9f8a1a9e55eb6bd21a823d4f5ccefc20e566b3d00fd8811185a7f.js
    1⤵
      PID:4864
    • C:\Windows\system32\wscript.EXE
      C:\Windows\system32\wscript.EXE COLLAB~1.JS
      1⤵
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:1892
      • C:\Windows\System32\cscript.exe
        "C:\Windows\System32\cscript.exe" "COLLAB~1.JS"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2348
        • 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:4984

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_53xfhhnf.rpu.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

      Filesize

      41.5MB

      MD5

      2c44817cc5e1290bb2bc186e46a5f8ba

      SHA1

      dd1d60fdffa99ccffc2c1fb87945aa92653b03f8

      SHA256

      0ffb65fe5a090bd43f82ff6f790007d9f1ccedc1bcfb7b4d35659bff7a333717

      SHA512

      b00ef5bf66c2ce8b5d9a25968f481f07683033b9355b7ed9068acbf8ea0053d3f68e60365b56e7329257ae39b81acb5988da21a1d5d4846a21d6479e93bd4c67

    • memory/4984-8-0x000002C1BD7A0000-0x000002C1BD7C2000-memory.dmp

      Filesize

      136KB

    • memory/4984-13-0x000002C1BFB60000-0x000002C1BFBA4000-memory.dmp

      Filesize

      272KB

    • memory/4984-14-0x000002C1BFE30000-0x000002C1BFEA6000-memory.dmp

      Filesize

      472KB

    • memory/4984-15-0x000002C1C0060000-0x000002C1C008A000-memory.dmp

      Filesize

      168KB

    • memory/4984-16-0x000002C1C0060000-0x000002C1C0084000-memory.dmp

      Filesize

      144KB