Analysis

  • max time kernel
    148s
  • max time network
    141s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    04/08/2026, 12:58

General

  • Target
    pdf_Receipt_20260803_1437.js
  • Size 41KB
  • Sample260804-p7tgrabc59
  • SHA256 0cba92b12fc0900295d393fdef0be08d9f05e0f154f16851de0ef596fd12f06f
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10

Malware Config

Signatures

  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Badlisted process makes network request 2 IoCs

    Network request originating from process or tool commonly abused by malware.

  • Command and Scripting Interpreter: JavaScript 1 TTPs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 1 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\pdf_Receipt_20260803_1437.js
    1⤵
      PID:4832
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell.exe -NoProfile -Command "Invoke-Expression $env:sepiost"
      1⤵
      • Process spawned unexpected child process
      • Badlisted process makes network request
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4292
    • C:\Windows\system32\conhost.exe
      conhost.exe
      1⤵
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2756
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe
        2⤵
          PID:4280

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            memory/4292-0-0x00007FFC1405F000-0x00007FFC14060000-memory.dmp

            memory/4292-1-0x00007FFC13ED0000-0x00007FFC14874000-memory.dmp

            memory/4292-2-0x000001FFDFFD0000-0x000001FFDFFF2000-memory.dmp

            memory/4292-3-0x00007FFC13ED0000-0x00007FFC14874000-memory.dmp

            memory/4292-6-0x00007FFC13ED0000-0x00007FFC14874000-memory.dmp

            memory/4292-7-0x00007FFC13ED0000-0x00007FFC14874000-memory.dmp

            memory/4292-8-0x00007FFC13ED0000-0x00007FFC14874000-memory.dmp

            memory/4292-9-0x00007FFC13ED0000-0x00007FFC14874000-memory.dmp

            memory/4292-10-0x00007FFC13ED0000-0x00007FFC14874000-memory.dmp

            memory/4292-11-0x00007FFC13ED0000-0x00007FFC14874000-memory.dmp

            memory/4292-12-0x00007FFC13ED0000-0x00007FFC14874000-memory.dmp

            memory/4292-13-0x000001FFE04E0000-0x000001FFE0572000-memory.dmp

            memory/4292-14-0x000001FFDFFC0000-0x000001FFDFFCA000-memory.dmp

            memory/4292-16-0x00007FFC13ED0000-0x00007FFC14874000-memory.dmp

            memory/4292-17-0x00007FFC13ED0000-0x00007FFC14874000-memory.dmp

            memory/4292-18-0x00007FFC13ED0000-0x00007FFC14874000-memory.dmp

            memory/4292-20-0x00007FFC13ED0000-0x00007FFC14874000-memory.dmp