Resubmissions

12-10-2024 16:15

241012-tqn8xsygqe 10

11-10-2024 15:25

241011-stsj3syhrg 10

Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-10-2024 16:15

General

  • Target

    union_of_taxation_employees_collective_agreement(66444).js

  • Size

    6.4MB

  • MD5

    6a18d361f72b5a9c255452fa8f0f9182

  • SHA1

    0f8299b5d413624e1c240242e8d70d16ec3e5bd8

  • SHA256

    78916a8a20fee326c042ffb7fde4de07ce3e658054a4f3b7f4c486454f79cb2b

  • SHA512

    0c9deb8b068524d932a26bf3d3fe89ee4c35e0d98c1bf08684d58123ac09db82494edced96658bae86cf6e4b2cada590be04b78dd450ac1ce30f1ce952418565

  • SSDEEP

    49152:fUD7dUPV9RUD7dUPV9RUD7dUPV9RUD7dUPV9RUD7dUPV9l:qaPVuaPVuaPVuaPVuaPVD

Malware Config

Signatures

  • GootLoader

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

  • 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\union_of_taxation_employees_collective_agreement(66444).js
    1⤵
      PID:2064
    • C:\Windows\system32\wscript.EXE
      C:\Windows\system32\wscript.EXE NATURA~1.JS
      1⤵
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:4116
      • C:\Windows\System32\cscript.exe
        "C:\Windows\System32\cscript.exe" NATURA~1.JS
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:4112
        • 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:3152

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_i1kixnu3.410.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

      Filesize

      40.5MB

      MD5

      308e52940a8e3d4065d6d87617dbbb85

      SHA1

      d69e99c6328f730e6cbeccc622a6844c41e164b3

      SHA256

      d7705bec86f627e76e733df8ccd12cba4b03b4dfe2ac182ac117b270f0d07cd4

      SHA512

      7b715cb47c38fad2ab1e09d8759525d75de6d0e497f26462475164be7e2cdbc9928455c134c0283ddedf584cb1b779beb6e5cd93d1f55868eb5bcd98aaae70bb

    • memory/3152-4-0x000001B5E84C0000-0x000001B5E84E2000-memory.dmp

      Filesize

      136KB

    • memory/3152-13-0x000001B5EAC50000-0x000001B5EAC94000-memory.dmp

      Filesize

      272KB

    • memory/3152-14-0x000001B5EAF50000-0x000001B5EAFC6000-memory.dmp

      Filesize

      472KB

    • memory/3152-15-0x000001B5EB190000-0x000001B5EB1BA000-memory.dmp

      Filesize

      168KB

    • memory/3152-16-0x000001B5EB190000-0x000001B5EB1B4000-memory.dmp

      Filesize

      144KB