Analysis

  • max time kernel
    900s
  • max time network
    549s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    22/10/2026, 22:38

General

  • Target
    R2R/XLN_KeyGen.exe
  • Size 799KB
  • Sample261022-2ksyxsys9k
  • SHA256 0727f0747bbdc0ba30ae6b8ffdd568244c246fd3c794089379c11d53fbf260f1
  • MD5 SHA1 SHA512 SSDEEP TLSH

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.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 3 IoCs
  • 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 2 IoCs

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

  • 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 40 IoCs
  • Suspicious use of FindShellTrayWindow 52 IoCs
  • Suspicious use of SendNotifyMessage 44 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.

  • 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:\Users\Admin\AppData\Local\Temp\R2R\XLN_KeyGen.exe
    "C:\Users\Admin\AppData\Local\Temp\R2R\XLN_KeyGen.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2856
    • C:\Users\Admin\AppData\Local\Temp\keygen.exe
      C:\Users\Admin\AppData\Local\Temp\keygen.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:5784
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x00000000000004F0 0x00000000000004F8
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:4232
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:2560
    • 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:4484
  • 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:2580
  • 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:3816
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:4768
    • C:\Windows\System32\SecurityHealthHost.exe
      \\?\C:\Windows\System32\SecurityHealthHost.exe {08728914-3F57-4D52-9E31-49DAECA5A80A} -Embedding
      1⤵
        PID:3200

      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

            BASSMOD.DLL

            • Path C:\Users\Admin\AppData\Local\Temp\BASSMOD.DLL
            • Size 33KB
            • SHA256 8ad9e47693e292f381da42ddc13724a3063040e51c26f4ca8e1f8e2f1ddd547f
            • MD5 SHA1 SHA512 SSDEEP TLSH

            R2RXLNKG.dll

            • Path C:\Users\Admin\AppData\Local\Temp\R2RXLNKG.dll
            • Size 7KB
            • SHA256 6dce820b12b8fa96df5e308c4d9c1cfde93b314636bc03c6b945dafdc00a5411
            • MD5 SHA1 SHA512 SSDEEP TLSH

            bgm.mod

            • Path C:\Users\Admin\AppData\Local\Temp\bgm.mod
            • Size 606KB
            • SHA256 7aa1e2789c5222a5cdd09125cb268a28569a482e7ced85b150b27e0c57ad1e9a
            • MD5 SHA1 SHA512 SSDEEP TLSH

            keygen.exe

            • Path C:\Users\Admin\AppData\Local\Temp\keygen.exe
            • Size 444KB
            • SHA256 c10b62df47adfd347748241c8ac86436ca5a3965c0b227d3d148ccbf6728176b
            • MD5 SHA1 SHA512 SSDEEP TLSH

            memory/2580-89-0x0000028D83920000-0x0000028D83940000-memory.dmp

            memory/2580-71-0x0000028D801E0000-0x0000028D802E0000-memory.dmp

            memory/2580-123-0x0000028D94690000-0x0000028D946B0000-memory.dmp

            memory/2580-91-0x0000028D93E80000-0x0000028D93F80000-memory.dmp

            memory/2580-101-0x0000028D83C80000-0x0000028D83CA0000-memory.dmp

            memory/2580-69-0x0000028D801E0000-0x0000028D802E0000-memory.dmp

            memory/5784-27-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/5784-50-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/5784-23-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/5784-24-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/5784-25-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/5784-26-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/5784-21-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/5784-28-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/5784-29-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/5784-30-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/5784-31-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/5784-32-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/5784-33-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/5784-34-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/5784-35-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/5784-36-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/5784-37-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/5784-38-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/5784-39-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/5784-40-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/5784-41-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/5784-42-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/5784-43-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/5784-44-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/5784-45-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/5784-46-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/5784-47-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/5784-48-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/5784-49-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/5784-22-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/5784-51-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/5784-52-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/5784-53-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/5784-54-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/5784-55-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/5784-56-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/5784-57-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/5784-59-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/5784-20-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/5784-19-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/5784-18-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/5784-17-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/5784-16-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/5784-12-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/5784-7-0x0000000000400000-0x0000000000441000-memory.dmp

            memory/5784-253-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/5784-254-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/5784-255-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/5784-256-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/5784-257-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/5784-259-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/5784-260-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/5784-261-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/5784-262-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/5784-263-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/5784-264-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/5784-265-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/5784-266-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/5784-267-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/5784-268-0x0000000010000000-0x0000000010013000-memory.dmp