Resubmissions

20-06-2024 13:44

240620-q2accs1ajh 10

20-06-2024 13:38

240620-qxh4pszglg 10

20-06-2024 13:15

240620-qhkc8azajd 10

20-06-2024 12:55

240620-p58hwsycke 10

20-06-2024 12:49

240620-p2g7jasdql 10

Analysis

  • max time kernel
    281s
  • max time network
    290s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-06-2024 12:49

General

  • Target

    pa collective agreement pay 90174.js

  • Size

    18.5MB

  • MD5

    c4d8fa6feaef5aba8eb9b2bd2b906176

  • SHA1

    31fef4eff4cda276264650c2dd1addbba9b03346

  • SHA256

    a330c0d7cabdfc88e979d72f69e0c9076964b1f16c805c445426cf2b61c9ea9a

  • SHA512

    6057bd5a06db48f567b8ed4ef66c67c6fc79b3f27ecfbf0b1dbb7e42e9cf7e37e0a9d9fd5097089868c9746acfe6602097eae5874d490151574fe3a01db6b5fd

  • SSDEEP

    49152:ojk08dPXWR4ba/JOtdF5pHE2lsfiaahM3o43ORV59VDKtDVjk08dPXWR4ba/JOtz:ac43mMc43mMc43mMc43ml

Malware Config

Signatures

  • GootLoader

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

  • 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 16 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\pa collective agreement pay 90174.js"
    1⤵
      PID:2872
    • C:\Windows\system32\wscript.EXE
      C:\Windows\system32\wscript.EXE FUNCTI~1.JS
      1⤵
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:1144
      • C:\Windows\System32\cscript.exe
        "C:\Windows\System32\cscript.exe" "FUNCTI~1.JS"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:4724
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell
          3⤵
          • Modifies registry class
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2428

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Execution

    Command and Scripting Interpreter

    1
    T1059

    JavaScript

    1
    T1059.007

    Discovery

    Query Registry

    2
    T1012

    System Information Discovery

    2
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_45fmo3g4.zme.ps1
      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

      47.1MB

      MD5

      b743009be3d7ca7180d24c4756fbc8a1

      SHA1

      56e2987ae7553c1a7e76084f606ccd709eb31527

      SHA256

      619ef36a80c85ea88366656df3307dceebf24dca8c04b1e8f864de53f49ade86

      SHA512

      ee4a4e83660ba0dd70a481396626ec6ad23a745b60065f0ea751140b730c6fbfed27bed9cea312a62075795a157c58c6a72d39223403d51827794ecc37b47805

    • memory/2428-10-0x000002DEEA660000-0x000002DEEA682000-memory.dmp
      Filesize

      136KB

    • memory/2428-13-0x000002DEEA970000-0x000002DEEA9B4000-memory.dmp
      Filesize

      272KB

    • memory/2428-14-0x000002DEEABC0000-0x000002DEEAC36000-memory.dmp
      Filesize

      472KB

    • memory/2428-15-0x000002DEEAE50000-0x000002DEEAE7A000-memory.dmp
      Filesize

      168KB

    • memory/2428-16-0x000002DEEAE50000-0x000002DEEAE74000-memory.dmp
      Filesize

      144KB