Analysis

  • max time kernel
    149s
  • max time network
    154s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260706-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260706-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    09/07/2026, 15:24

General

  • Target
    _b2c06a9ab9fac39d31229d4aa70aded718ef629858158baf0d3d9f48431ceacc.dll
  • Size 53.6MB
  • Sample260709-ste9racy2l
  • SHA256 b2c06a9ab9fac39d31229d4aa70aded718ef629858158baf0d3d9f48431ceacc
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Badlisted process makes network request 7 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.

  • Drops startup file 1 IoCs
  • Enumerates connected drives 3 TTPs 2 IoCs

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

  • Suspicious use of NtCreateThreadExHideFromDebugger 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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
  • Modifies registry class 38 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 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 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.

  • Uses Volume Shadow Copy WMI provider

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

  • Uses Volume Shadow Copy service COM API

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

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\_b2c06a9ab9fac39d31229d4aa70aded718ef629858158baf0d3d9f48431ceacc.dll,#1
    1⤵
    • Badlisted process makes network request
    • Drops startup file
    • Suspicious use of NtCreateThreadExHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    PID:3316
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:2536
    • 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:1048
  • 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:2376
  • 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:1168

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        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

        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

        Tmp7390.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\Tmp7390.tmp
        • Size 2KB
        • SHA256 39855ad817a4c0a0b6ee542e3ab573f4f1933636ab664062dff91faacf4343d3
        • MD5 SHA1 SHA512 TLSH

        memory/1048-437-0x0000000008EF0000-0x0000000008FBC000-memory.dmp

        memory/2376-325-0x0000026D94290000-0x0000026D942B0000-memory.dmp

        memory/2376-281-0x0000026D801E0000-0x0000026D802E0000-memory.dmp

        memory/2376-288-0x0000026D83E50000-0x0000026D83F50000-memory.dmp

        memory/2376-303-0x0000026D83E10000-0x0000026D83E30000-memory.dmp

        memory/2376-287-0x0000026D83A30000-0x0000026D83A50000-memory.dmp

        memory/2376-279-0x0000026D801E0000-0x0000026D802E0000-memory.dmp

        memory/3316-237-0x00007FFCD0F60000-0x00007FFCD1904000-memory.dmp

        memory/3316-238-0x00007FFCE36E0000-0x00007FFCE36FD000-memory.dmp

        memory/3316-242-0x0000019516710000-0x000001951675C000-memory.dmp

        memory/3316-240-0x00007FFCD0F60000-0x00007FFCD1904000-memory.dmp

        memory/3316-253-0x00007FFCD0F60000-0x00007FFCD1904000-memory.dmp

        memory/3316-254-0x00007FFCD0F60000-0x00007FFCD1904000-memory.dmp

        memory/3316-255-0x00007FFCD0F60000-0x00007FFCD1904000-memory.dmp

        memory/3316-256-0x00000195149A0000-0x00000195149A1000-memory.dmp

        memory/3316-257-0x00007FFCD0F60000-0x00007FFCD1904000-memory.dmp

        memory/3316-241-0x0000019516550000-0x0000019516568000-memory.dmp

        memory/3316-239-0x00000195164C0000-0x0000019516514000-memory.dmp

        memory/3316-0-0x00000195149A0000-0x00000195149A1000-memory.dmp

        memory/3316-236-0x00007FFCD0F60000-0x00007FFCD1904000-memory.dmp

        memory/3316-235-0x00007FFCD10EF000-0x00007FFCD10F0000-memory.dmp

        memory/3316-229-0x0000019514A80000-0x0000019514A9E000-memory.dmp

        memory/3316-2-0x00007FFCF11C0000-0x00007FFCF1561000-memory.dmp

        memory/3316-21-0x00000195149D0000-0x0000019514A41000-memory.dmp

        memory/3316-1-0x00007FFCF3B00000-0x00007FFCF3D63000-memory.dmp