Analysis

  • max time kernel
    299s
  • max time network
    300s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-09-2024 12:55

General

  • Target

    union_of_taxation_employees_collective_agreement(91985).js

  • Size

    8.0MB

  • MD5

    cabe44b59e1b9d2e16c944787ac48e61

  • SHA1

    d5111f4a5432aef1d4cd4aa632958e4d90b102ee

  • SHA256

    5ea87676fa668a09c1db2988aadf70e29a377c172f17f1ed48b34d09730ebb47

  • SHA512

    b7b81d2df403b88d84b075671dc0604f9a9b6e637f99050f14ef5d947d5ff1a99de3f7a5604df0470949bd856cabbface9c46a8d5d9bde37efc8f88bd5d2318d

  • SSDEEP

    49152:/y+nncMHwtllKdy/s+LfHQiy+nncMHwtllKdy/s+LfHQiy+nncMHwtllKdy/s+LO:/MMMMMY

Malware Config

Signatures

  • GootLoader

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

  • Blocklisted process makes network request 11 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 24 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(91985).js
    1⤵
      PID:2680
    • C:\Windows\system32\wscript.EXE
      C:\Windows\system32\wscript.EXE BEHAVI~1.JS
      1⤵
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:1408
      • C:\Windows\System32\cscript.exe
        "C:\Windows\System32\cscript.exe" "BEHAVI~1.JS"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2912
        • 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:2216

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_y2nebhh2.tmd.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Roaming\Adobe\BEHAVI~1.JS

      Filesize

      45.1MB

      MD5

      2edcfcc1ffdbdfd1c2b31dfe573ccf88

      SHA1

      ab36ffc11cf18d5b4df8ce531bc5bff639cd0a7f

      SHA256

      22ddb03cc947756259473f69e151233610fb3cac1cd349d0bd5951ab06bb4a57

      SHA512

      b57cc495ba5f9db6f768fa7c8bac1369a74c9dadfd977c99650867c9f6f5fdc6e8f5cb329893ec2332e0a84fc5b73232022a631935c61da27ba36111be1536ba

    • memory/2216-12-0x00000236D3F20000-0x00000236D3F42000-memory.dmp

      Filesize

      136KB

    • memory/2216-13-0x00000236D4310000-0x00000236D4354000-memory.dmp

      Filesize

      272KB

    • memory/2216-14-0x00000236D43E0000-0x00000236D4456000-memory.dmp

      Filesize

      472KB

    • memory/2216-15-0x00000236D4620000-0x00000236D464A000-memory.dmp

      Filesize

      168KB

    • memory/2216-16-0x00000236D4620000-0x00000236D4644000-memory.dmp

      Filesize

      144KB