Overview

overview

8

Static

static

3

aa285f47fa...bc.dll

windows10-2004-x64

8

aa285f47fa...bc.dll

windows11-ltsc_2024-x64

8

Analysis

  • max time kernel
    148s
  • max time network
    131s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260629-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    01/07/2026, 10:09

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General

  • Target
    aa285f47fa4e89dd6ffa72678e83871f3ad9c12b619162645ac7ca48fa2ad0bc.dll
  • Size 3.0MB
  • Sample260701-l658dabt2n
  • SHA256 aa285f47fa4e89dd6ffa72678e83871f3ad9c12b619162645ac7ca48fa2ad0bc
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
adwarediscoverypersistenceransomwarespyware

Malware Config

Signatures

  • Badlisted process makes network request 3 IoCs

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

  • 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.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • 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 40 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 40 IoCs
  • Suspicious use of FindShellTrayWindow 54 IoCs
  • Suspicious use of SendNotifyMessage 40 IoCs
  • Suspicious use of SetWindowsHookEx 3 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.

    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:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\aa285f47fa4e89dd6ffa72678e83871f3ad9c12b619162645ac7ca48fa2ad0bc.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1316
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\aa285f47fa4e89dd6ffa72678e83871f3ad9c12b619162645ac7ca48fa2ad0bc.dll,#1
      2⤵
      • Badlisted process makes network request
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5140
      • C:\Windows\SysWOW64\rundll32.exe
        "C:\Windows\SysWOW64\rundll32.exe" "C:\Users\Admin\AppData\Local\Temp\aa285f47fa4e89dd6ffa72678e83871f3ad9c12b619162645ac7ca48fa2ad0bc.dll",AssistIns /launch
        3⤵
        • Badlisted process makes network request
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:236
        • C:\Windows\SysWOW64\rundll32.exe
          "C:\Windows\SysWOW64\rundll32.exe" "C:\Users\Admin\AppData\Local\Temp\aa285f47fa4e89dd6ffa72678e83871f3ad9c12b619162645ac7ca48fa2ad0bc.dll",AssistIns /launch /launch
          4⤵
          • Badlisted process makes network request
          • System Location Discovery: System Language Discovery
          PID:696
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:704
    • 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:2796
  • 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:1184
  • 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:2604

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

        common_stat_config.ini
        • Path C:\Users\Admin\AppData\Roaming\common_pp\common_stat_config.ini
        • Size 23B
        • SHA256 693d02f92b583f1854a4c99ffc0c638a90db7a74a837b417af6034ff018b35ab
        • MD5 SHA1 SHA512
        Submit Download

        memory/1184-8-0x000001E8001E0000-0x000001E8002E0000-memory.dmp
        Download

        memory/1184-53-0x000001E814260000-0x000001E814280000-memory.dmp
        Download

        memory/1184-21-0x000001E801E60000-0x000001E801F60000-memory.dmp
        Download

        memory/1184-31-0x000001E801DE0000-0x000001E801E00000-memory.dmp
        Download

        memory/1184-20-0x000001E801A00000-0x000001E801A20000-memory.dmp
        Download

        memory/2796-191-0x0000000007F00000-0x0000000007F4D000-memory.dmp
        Download