Analysis

  • max time kernel
    150s
  • max time network
    131s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240730-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-07-2024 19:17

General

  • Target

    agreement between husband and wife sample 5217.js

  • Size

    20.5MB

  • MD5

    ec0f178a649479022efd92b114f24f95

  • SHA1

    7b18b2fc85fb949af3f4b372bd5b5e2fe1d8ddbf

  • SHA256

    a4502a98e81027437e18f559775fcb89b2400f1c026409261290a00532c354a7

  • SHA512

    35c16eaca7de7c4d6550e9b3612170671453ee502a55e78d60927846c6afb091546ec9f865e589970565d90cbd7f037f37332ceed32243bdabf70bfca8596806

  • SSDEEP

    49152:YYRxr8uC0NjaCX3lgYRxr8uC0NjaCX3lgYRxr8uC0NjaCX3lf:x//J

Malware Config

Signatures

  • GootLoader

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

  • Blocklisted process makes network request 2 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 10 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\agreement between husband and wife sample 5217.js"
    1⤵
      PID:3980
    • C:\Windows\system32\wscript.EXE
      C:\Windows\system32\wscript.EXE TORONT~1.JS
      1⤵
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:5020
      • C:\Windows\System32\cscript.exe
        "C:\Windows\System32\cscript.exe" "TORONT~1.JS"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:524
        • 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:1388

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_bvnx5bb0.xzf.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Roaming\Microsoft\TORONT~1.JS

      Filesize

      39.9MB

      MD5

      0ab8b2bdb58f6204386b0dc78cbbb56c

      SHA1

      6d03c343dd2a9464ced9680aa763914ab6fcffd3

      SHA256

      161c81e3edaa8ed3b532127194346dc410ae6a28a5e93dda25109543a6bc8dfb

      SHA512

      e773784cab26637622de6316d53a5fe1bacbda70f889920f556f3084e5b3bd8ada8ea3e7163791cadc3c125244460d3f811909e7c9ce574fb9d5a798c2bc34a3

    • memory/1388-3-0x000001F0E5B80000-0x000001F0E5BA2000-memory.dmp

      Filesize

      136KB

    • memory/1388-13-0x000001F0E6090000-0x000001F0E60D4000-memory.dmp

      Filesize

      272KB

    • memory/1388-14-0x000001F0E6160000-0x000001F0E61D6000-memory.dmp

      Filesize

      472KB

    • memory/1388-15-0x000001F0E63C0000-0x000001F0E63EA000-memory.dmp

      Filesize

      168KB

    • memory/1388-16-0x000001F0E63C0000-0x000001F0E63E4000-memory.dmp

      Filesize

      144KB