Analysis

  • max time kernel
    119s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    20-09-2024 17:26

General

  • Target

    unionoftaxationemployeescollectiveagreement35285.js

  • Size

    10.6MB

  • MD5

    a4941b073a1cf1183a4f3be6ac321ce4

  • SHA1

    41383a555a57144cdce8d3bea8d61123c15c6148

  • SHA256

    d69806d3e2d3a414278334188894d3c3f1704f047aa9cb72d6b85f48f7de45b0

  • SHA512

    4d42854364311f17db09edc2cd8bc535a03dbdd8972bd608963adb63dcb3a8ec258479d00fa2cfd84ef11c7b5779f94e955b403ed3317309463a394a282fa82a

  • SSDEEP

    49152:H3ncwnVlbwzu6Uvq/s+LfHQe3ncwnVlbwzu6Uvq/s+LfHQe3ncwnVlbwzu6Uvq/Q:H4444444s

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\unionoftaxationemployeescollectiveagreement35285.js
    1⤵
      PID:2544
    • C:\Windows\system32\taskeng.exe
      taskeng.exe {83A8CDEB-84C1-4F60-9B9E-A89CA27C4C51} S-1-5-21-3533259084-2542256011-65585152-1000:XPAJOTIY\Admin:Interactive:[1]
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:2736
      • C:\Windows\system32\wscript.EXE
        C:\Windows\system32\wscript.EXE GREENH~1.JS
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2432
        • C:\Windows\System32\cscript.exe
          "C:\Windows\System32\cscript.exe" "GREENH~1.JS"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2660
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            powershell
            4⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:2492

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

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

      Filesize

      45.6MB

      MD5

      242b497332d9530865c2f289142ee316

      SHA1

      929d35e1b006a260bc5db0d29460bcfcf6b3c7e6

      SHA256

      79caf357853137fc47f9467ddac92602207dcf9775fd07db5cafaf2874f6d20f

      SHA512

      c04f71d9249d3302b91b41138297a4bee889d79d241f1ebde08ca31cc909daba2ef39c6b9d2c8e9f5ef591e5b0f93c6083db6b1d0a3da80453a91e18b60b2f88

    • memory/2492-7-0x000000001B770000-0x000000001BA52000-memory.dmp

      Filesize

      2.9MB

    • memory/2492-8-0x0000000001F40000-0x0000000001F48000-memory.dmp

      Filesize

      32KB