Analysis

  • max time kernel
    296s
  • max time network
    298s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-05-2024 12:50

General

  • Target

    pa collective agreement pay 89427.js

  • Size

    5.5MB

  • MD5

    60ed21699fe726ae8cc28836f8b8dfc2

  • SHA1

    b42008ac95e568b9ff07e2ac616fe769fe87ee0a

  • SHA256

    e65e5ec24ee55f1b2a365c9de01e21baa1ad6a74578e7aa07a7b1b42815f8095

  • SHA512

    8af276af30c1c7952bf5d0e8ce235eaebb72000325ed04b73f29e6898a765667803c392687e299b48ad8df333cac9b2b35a56ccca405949e97dc36789538d9b0

  • SSDEEP

    49152:R0ytwpCQK+4X0ytwpCQK+4X0ytwpCQK+4X0ytwpCQK+4X0ytwpCQK+4p:RppppP

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\pa collective agreement pay 89427.js"
    1⤵
      PID:32
    • C:\Windows\system32\wscript.EXE
      C:\Windows\system32\wscript.EXE CHEMIC~1.JS
      1⤵
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:4656
      • C:\Windows\System32\cscript.exe
        "C:\Windows\System32\cscript.exe" "CHEMIC~1.JS"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:5052
        • 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:1092

    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_jlf5aqh1.2kp.ps1
      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

      46.5MB

      MD5

      b0b77196da0756d6c076d882e85de681

      SHA1

      252bf3d03c3b6fc973a2dc9d3913c6eed32a1dc4

      SHA256

      5ef1b8b860a81cce9d61196500ba101b5183a9feb390811a98e5c2d7917cd4a1

      SHA512

      5a9d08a1d63f772b59e5258d8baa0b02d6daa67231e73a93a55363fddf336c8d5dd5e1dd377005d47df68f06327c56316d927a4d4dd350feccd81b754f591b78

    • memory/1092-3-0x0000022B2BA70000-0x0000022B2BA92000-memory.dmp
      Filesize

      136KB

    • memory/1092-13-0x0000022B2C950000-0x0000022B2C994000-memory.dmp
      Filesize

      272KB

    • memory/1092-14-0x0000022B2CA20000-0x0000022B2CA96000-memory.dmp
      Filesize

      472KB

    • memory/1092-15-0x0000022B2CC70000-0x0000022B2CC9A000-memory.dmp
      Filesize

      168KB

    • memory/1092-16-0x0000022B2CC70000-0x0000022B2CC94000-memory.dmp
      Filesize

      144KB