Analysis

  • max time kernel
    284s
  • max time network
    286s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-07-2024 10:39

General

  • Target

    pa collective agreement pay 54493.js

  • Size

    23.2MB

  • MD5

    8c9c376750ea3dd04169d1cccd8e7fca

  • SHA1

    0bf85b77f8b81624b15c3420ea47118f5c767305

  • SHA256

    c3625b94c788ccf7c7de1efb639ac338227b5b6ebb99ca480c25e6e877de2c32

  • SHA512

    909ce8e34d73c0d36e1413293e7bf59dbddaa84a575120110a969d8b8e90f14451a46ce2ae561fa84431c7d493ef3b4bca43b83ff565c6ae4a432c5b18ef8953

  • SSDEEP

    49152:TXU708dPXWR4ba/JOtdF5pHE2lsfiaahM3o43ORV59VDKtDEXU708dPXWR4ba/JX:vc43m1c43m1c43m1c43m1c43ml

Malware Config

Signatures

  • GootLoader

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

  • Blocklisted process makes network request 13 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 20 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\pa collective agreement pay 54493.js"
    1⤵
      PID:2484
    • C:\Windows\system32\wscript.EXE
      C:\Windows\system32\wscript.EXE CONVER~1.JS
      1⤵
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:1236
      • C:\Windows\System32\cscript.exe
        "C:\Windows\System32\cscript.exe" "CONVER~1.JS"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:4044
        • 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:4992

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Execution

    Command and Scripting Interpreter

    1
    T1059

    JavaScript

    1
    T1059.007

    Discovery

    Query Registry

    2
    T1012

    System Information Discovery

    2
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_3tfxjbof.qtb.ps1
      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

      41.7MB

      MD5

      da3b93aaee95831cc07ee1af5f46e118

      SHA1

      50b06eca480af7029d839559f02e0c3291f7f8e3

      SHA256

      f60a0dc22615dd2c498524c3c1b3d45a9c149cfe1423a288579cd88bb6b51e4c

      SHA512

      d31b9cda9c27b313fa0b91e7aa1b02165325855cf50c68a0e4b7c80081be84ca9e0e694461e61040c643c174fb6d1ea7f404e0d4d2dfff933b81b74449030a56

    • memory/4992-8-0x000002CA41E60000-0x000002CA41E82000-memory.dmp
      Filesize

      136KB

    • memory/4992-13-0x000002CA42C40000-0x000002CA42C84000-memory.dmp
      Filesize

      272KB

    • memory/4992-14-0x000002CA42D10000-0x000002CA42D86000-memory.dmp
      Filesize

      472KB

    • memory/4992-15-0x000002CA42F70000-0x000002CA42F9A000-memory.dmp
      Filesize

      168KB

    • memory/4992-16-0x000002CA42F70000-0x000002CA42F94000-memory.dmp
      Filesize

      144KB