Resubmissions

22/10/2026, 22:55

261022-2v37msyt4l8

22/10/2026, 22:52

261022-2te4esf18s8

Analysis

  • max time kernel
    899s
  • 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, 22:52

General

  • Target
    R2R/XLN_KeyGen.exe
  • Size 799KB
  • Sample261022-2te4esf18s
  • 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 32 IoCs
  • Suspicious use of FindShellTrayWindow 54 IoCs
  • Suspicious use of SendNotifyMessage 43 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:4104
    • 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:4924
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x00000000000004D0 0x00000000000004CC
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:4664
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:2736
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:124
      • 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:1184
    • 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:5024
    • 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:4768
    • C:\Windows\System32\SecurityHealthHost.exe
      \\?\C:\Windows\System32\SecurityHealthHost.exe {08728914-3F57-4D52-9E31-49DAECA5A80A} -Embedding
      1⤵
        PID:3004

      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/4924-43-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/4924-48-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/4924-46-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/4924-17-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/4924-18-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/4924-19-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/4924-20-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/4924-21-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/4924-22-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/4924-23-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/4924-24-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/4924-25-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/4924-26-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/4924-27-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/4924-28-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/4924-29-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/4924-30-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/4924-31-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/4924-32-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/4924-33-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/4924-34-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/4924-35-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/4924-36-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/4924-37-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/4924-38-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/4924-39-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/4924-40-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/4924-41-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/4924-42-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/4924-12-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/4924-44-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/4924-45-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/4924-16-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/4924-7-0x0000000000400000-0x0000000000441000-memory.dmp

            memory/4924-57-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/4924-49-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/4924-50-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/4924-51-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/4924-52-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/4924-55-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/4924-56-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/4924-47-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/4924-58-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/4924-59-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/4924-213-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/4924-277-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/4924-275-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/4924-273-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/4924-271-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/4924-269-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/4924-267-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/4924-265-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/4924-250-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/4924-252-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/4924-254-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/4924-256-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/4924-258-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/4924-261-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/4924-263-0x0000000010000000-0x0000000010013000-memory.dmp

            memory/5024-249-0x000002D6006D0000-0x000002D6008B3000-memory.dmp

            memory/5024-92-0x000002D6036A0000-0x000002D6036C0000-memory.dmp

            memory/5024-104-0x000002D6039C0000-0x000002D6039E0000-memory.dmp

            memory/5024-126-0x000002D613EC0000-0x000002D613EE0000-memory.dmp

            memory/5024-80-0x000002D652CE0000-0x000002D652DE0000-memory.dmp

            memory/5024-93-0x000002D613AE0000-0x000002D613BE0000-memory.dmp

            memory/5024-82-0x000002D652CE0000-0x000002D652DE0000-memory.dmp