Analysis

  • max time kernel
    147s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250217-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-02-2025 21:56

General

  • Target

    ORIGINAL - External - STAGE1-cancellation of contract letter format 59607 - ORIGINAL.js

  • Size

    844KB

  • MD5

    864fde6b86995179f9c1c3216cac78eb

  • SHA1

    8e4adaea7b49cf4dbc8817ed7723c67e4458a56f

  • SHA256

    fb8dfbd0bc32eb573ca3d103f6e655e566ac674e446bcd9836037ad32b5eeae1

  • SHA512

    69a8daabbf331cb9845ab895f18c45fc47d7dd03e862171321dae15cc0b1a9b5cf2efba8fa343fcef71f89cf60ea687fa1aeafd5523efeb57a63dd4cd247481d

  • SSDEEP

    24576:TUCgo+ogQc5WfNnZmD/nQt2qBvieJ9LEfWpyQTaEFNE3NEr:TUCgo+ogQc5WfNnZmD/nw2qBDeWpyQTZ

Malware Config

Signatures

  • GootLoader

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

  • Gootloader family
  • Blocklisted process makes network request 3 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 8 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\ORIGINAL - External - STAGE1-cancellation of contract letter format 59607 - ORIGINAL.js"
    1⤵
      PID:4568
    • C:\Windows\system32\wscript.EXE
      C:\Windows\system32\wscript.EXE AUDITP~1.JS
      1⤵
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:1772
      • C:\Windows\System32\cscript.exe
        "C:\Windows\System32\cscript.exe" "AUDITP~1.JS"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:744
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell.exe
          3⤵
          • Blocklisted process makes network request
          • Modifies registry class
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2200

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_a2cysdmz.0dv.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

      Filesize

      44.9MB

      MD5

      0b61afb1b5ab7017a62886eefffdd1e1

      SHA1

      99f7798a97b7b557408151254ec08a96603d375d

      SHA256

      12a732d2d3752d81279424c9d6046e034161668f88af8a2d2fb1cbd47a591b70

      SHA512

      f026dc37660475010014d5793306f3a11363e9c963bf5bfe2964dd03ca599debaa4b42489acf3eb7a56c276ad5cb6cab9f598c16ae91d00e03b0c3bfad6dc6ab

    • memory/2200-8-0x000001F8BECD0000-0x000001F8BECF2000-memory.dmp

      Filesize

      136KB

    • memory/2200-13-0x000001F8BEE80000-0x000001F8BEEC4000-memory.dmp

      Filesize

      272KB

    • memory/2200-14-0x000001F8BF2A0000-0x000001F8BF316000-memory.dmp

      Filesize

      472KB

    • memory/2200-15-0x000001F8BF520000-0x000001F8BF54A000-memory.dmp

      Filesize

      168KB

    • memory/2200-16-0x000001F8BF520000-0x000001F8BF544000-memory.dmp

      Filesize

      144KB