Overview

overview

8

Static

static

3

agent.exe

windows10-2004-x64

7

agent.exe

windows11-ltsc_2024-x64

8

Analysis

  • max time kernel
    99s
  • max time network
    148s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260706-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260706-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    08/07/2026, 06:02

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General

  • Target
    agent.exe
  • Size 8.8MB
  • Sample260708-grrn8abw8s
  • SHA256 063d27d628f32eca749af6acf9bee12bbaf237aa478e33e53fe8a341fc0e9646
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
adwarepersistencespyware

Malware Config

Signatures

  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 1 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    persistence
  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Contacts third-party web service commonly abused for C2 1 TTPs 3 IoCs

    Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

  • Enumerates connected drives 3 TTPs 2 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Checks SCSI registry key(s) 3 TTPs 62 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
    adwarespyware
  • Modifies registry class 38 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 42 IoCs
  • Suspicious use of FindShellTrayWindow 52 IoCs
  • Suspicious use of SendNotifyMessage 42 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 2 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.

    persistence

Processes

  • C:\Users\Admin\AppData\Local\Temp\agent.exe
    "C:\Users\Admin\AppData\Local\Temp\agent.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1780
    • C:\Users\Admin\AppData\Roaming\WindowsUpdate\My Agent.exe
      "C:\Users\Admin\AppData\Roaming\WindowsUpdate\My Agent.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      PID:3140
  • C:\Users\Admin\AppData\Roaming\WindowsUpdate\My Agent.exe
    "C:\Users\Admin\AppData\Roaming\WindowsUpdate\My Agent.exe"
    1⤵
    • Executes dropped EXE
    • Adds Run key to start application
    PID:2324
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:5332
    • C:\Windows\explorer.exe
      explorer.exe /LOADSAVEDWINDOWS
      2⤵
      • Boot or Logon Autostart Execution: Active Setup
      • Enumerates connected drives
      • Checks SCSI registry key(s)
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:4320
  • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
    "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:4612
  • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
    "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:5908

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        prep_Activatable Class_Hermes_perf.cache
        • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\TempState\prep_Activatable Class_Hermes_perf.cache
        • Size 595B
        • SHA256 d4e60617c2afab8263febabe7f14f18595715078d71307a8cefe0707dae76dee
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        My Agent.exe
        • Path C:\Users\Admin\AppData\Roaming\WindowsUpdate\My Agent.exe
        • Size 8.8MB
        • SHA256 063d27d628f32eca749af6acf9bee12bbaf237aa478e33e53fe8a341fc0e9646
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        id
        • Path C:\Users\Admin\AppData\Roaming\WindowsUpdate\id
        • Size 32B
        • SHA256 98943aedc71b197ab05b94a886f408ccf55802864994701a13fd6b35dc742a24
        • MD5 SHA1 SHA512
        Submit Download

        memory/1780-25-0x00007FF7642F0000-0x00007FF766C1B000-memory.dmp
        Download

        memory/1780-0-0x00000002A1770000-0x00000002A177E000-memory.dmp
        Download

        memory/2324-360-0x00007FF6B7430000-0x00007FF6B9D5B000-memory.dmp
        Download

        memory/2324-357-0x00007FF6B7430000-0x00007FF6B9D5B000-memory.dmp
        Download

        memory/2324-363-0x00007FF6B7430000-0x00007FF6B9D5B000-memory.dmp
        Download

        memory/2324-353-0x00007FF6B7430000-0x00007FF6B9D5B000-memory.dmp
        Download

        memory/2324-151-0x00007FF6B7430000-0x00007FF6B9D5B000-memory.dmp
        Download

        memory/2324-347-0x00007FF6B7430000-0x00007FF6B9D5B000-memory.dmp
        Download

        memory/2324-155-0x00007FF6B7430000-0x00007FF6B9D5B000-memory.dmp
        Download

        memory/2324-366-0x00007FF6B7430000-0x00007FF6B9D5B000-memory.dmp
        Download

        memory/2324-344-0x00007FF6B7430000-0x00007FF6B9D5B000-memory.dmp
        Download

        memory/2324-341-0x00007FF6B7430000-0x00007FF6B9D5B000-memory.dmp
        Download

        memory/2324-338-0x00007FF6B7430000-0x00007FF6B9D5B000-memory.dmp
        Download

        memory/3140-332-0x00007FF6B7430000-0x00007FF6B9D5B000-memory.dmp
        Download

        memory/3140-359-0x00007FF6B7430000-0x00007FF6B9D5B000-memory.dmp
        Download

        memory/3140-368-0x00007FF6B7430000-0x00007FF6B9D5B000-memory.dmp
        Download

        memory/3140-36-0x000000029A970000-0x000000029A97D000-memory.dmp
        Download

        memory/3140-365-0x00007FF6B7430000-0x00007FF6B9D5B000-memory.dmp
        Download

        memory/3140-340-0x00007FF6B7430000-0x00007FF6B9D5B000-memory.dmp
        Download

        memory/3140-56-0x0000000372200000-0x000000037220D000-memory.dmp
        Download

        memory/3140-343-0x00007FF6B7430000-0x00007FF6B9D5B000-memory.dmp
        Download

        memory/3140-362-0x00007FF6B7430000-0x00007FF6B9D5B000-memory.dmp
        Download

        memory/3140-346-0x00007FF6B7430000-0x00007FF6B9D5B000-memory.dmp
        Download

        memory/3140-154-0x00007FF6B7430000-0x00007FF6B9D5B000-memory.dmp
        Download

        memory/3140-349-0x00007FF6B7430000-0x00007FF6B9D5B000-memory.dmp
        Download

        memory/3140-352-0x00007FF6B7430000-0x00007FF6B9D5B000-memory.dmp
        Download

        memory/3140-150-0x00007FF6B7430000-0x00007FF6B9D5B000-memory.dmp
        Download

        memory/3140-356-0x00007FF6B7430000-0x00007FF6B9D5B000-memory.dmp
        Download

        memory/3140-66-0x00000003A51D0000-0x00000003A51DD000-memory.dmp
        Download

        memory/3140-26-0x0000000207610000-0x000000020761D000-memory.dmp
        Download

        memory/4320-339-0x000000000AD50000-0x000000000AFAF000-memory.dmp
        Download

        memory/4612-190-0x000002C70D270000-0x000002C70D290000-memory.dmp
        Download

        memory/4612-183-0x000002C70AF50000-0x000002C70AF70000-memory.dmp
        Download

        memory/4612-184-0x000002C70D350000-0x000002C70D450000-memory.dmp
        Download

        memory/4612-158-0x000002BF001E0000-0x000002BF002E0000-memory.dmp
        Download

        memory/4612-204-0x000002C71D710000-0x000002C71D730000-memory.dmp
        Download