Analysis

  • max time kernel
    119s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    10-06-2024 15:40

General

  • Target

    sample signature page for agreement 50504.js

  • Size

    6.6MB

  • MD5

    5f9509cada03763da54b72f4f3b09e9c

  • SHA1

    e7b044d7a16bbe841baec19d4d1ed2150f469026

  • SHA256

    5f2ee690f0d412b8e8003f7bdf4ecf813c5f99e930ea7dbda0154f913e68be54

  • SHA512

    15216d1ca7ed0c7419a2f7d30bdb355597fe4f81ca9b98d0687e960974927f364856629524461b84984bc87d2eb1d837f709539a093384130e2ee40183fe7b62

  • SSDEEP

    49152:1WytwpCQK+O3WytwpCQK+O3WytwpCQK+O3WytwpCQK+O3WytwpCQK+O3WytwpCQA:1ZZZZZj

Malware Config

Signatures

  • GootLoader

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

  • Command and Scripting Interpreter: JavaScript 1 TTPs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 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\sample signature page for agreement 50504.js"
    1⤵
      PID:1548
    • C:\Windows\system32\taskeng.exe
      taskeng.exe {47B4125A-F0A2-429C-AD1E-4A7D4D08EDD5} S-1-5-21-3691908287-3775019229-3534252667-1000:UOTHCPHQ\Admin:Interactive:[1]
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:2712
      • C:\Windows\system32\wscript.EXE
        C:\Windows\system32\wscript.EXE NEWPRO~1.JS
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2512
        • C:\Windows\System32\cscript.exe
          "C:\Windows\System32\cscript.exe" "NEWPRO~1.JS"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2992
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            powershell
            4⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:2780

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Execution

    Command and Scripting Interpreter

    1
    T1059

    JavaScript

    1
    T1059.007

    Discovery

    System Information Discovery

    1
    T1082

    Query Registry

    1
    T1012

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Roaming\Macromedia\NEWPRO~1.JS
      Filesize

      44.4MB

      MD5

      5248626e534b9fda762e92dfd061c672

      SHA1

      4d5db87f4b01989a4159527ab80a8d5021eb520b

      SHA256

      fd1393d252f95c4472cdb8c0d655fea5797ac585d14c90cc83b806feb6249e9b

      SHA512

      bf0daf5ff791420348d045ee3dea368344e5950b42a854f9b10cef3921a41907fa586958f2fb9b31933a69381d0a58d9980727a3839186940be02be152e61b90

    • memory/2780-7-0x000000001B4B0000-0x000000001B792000-memory.dmp
      Filesize

      2.9MB

    • memory/2780-8-0x00000000027B0000-0x00000000027B8000-memory.dmp
      Filesize

      32KB