Analysis

  • max time kernel
    150s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    22/08/2026, 04:46

General

  • Target
    2026-08-22_07147c5aee9189c4cad596cd451e5237_amadey_elex_karagany_rhadamanthys_smoke-loader.exe
  • Size 4.4MB
  • Sample260822-fd8vxaeq9z
  • SHA256 ff7e853d1aedea3e791579bcf3e12a1e8b1433224694b0109a4798bea820895a
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • metasploit

Version
  • windows/single_exec

Signatures

  • Family: Glupteba

    Glupteba is a modular loader written in Golang with various components.

  • Family: MetaSploit

    Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.

  • Glupteba payload 23 IoCs
  • Detects Windows executables referencing non-Windows User-Agents 20 IoCs
  • Detects executables containing URLs to raw contents of a Github gist 20 IoCs
  • Detects executables referencing many varying, potentially fake Windows User-Agents 20 IoCs
  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Executes dropped EXE 6 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Manipulates WinMonFS driver. 1 IoCs

    Roottkits write to WinMonFS to hide directories/files from being detected.

  • Drops file in System32 directory 6 IoCs
  • Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs

    Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.

  • Drops file in Windows directory 2 IoCs
  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • Executes a command shell one-liner 1 TTPs 1 IoCs

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

  • System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

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

  • Modifies data under HKEY_USERS 41 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 8 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.

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-22_07147c5aee9189c4cad596cd451e5237_amadey_elex_karagany_rhadamanthys_smoke-loader.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-22_07147c5aee9189c4cad596cd451e5237_amadey_elex_karagany_rhadamanthys_smoke-loader.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:4556
    • C:\Users\Admin\AppData\Local\Temp\2026-08-22_07147c5aee9189c4cad596cd451e5237_amadey_elex_karagany_rhadamanthys_smoke-loader.exe
      "C:\Users\Admin\AppData\Local\Temp\2026-08-22_07147c5aee9189c4cad596cd451e5237_amadey_elex_karagany_rhadamanthys_smoke-loader.exe"
      2⤵
      • Adds Run key to start application
      • Checks for VirtualBox DLLs, possible anti-VM trick
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2128
      • C:\Windows\system32\cmd.exe
        C:\Windows\Sysnative\cmd.exe /C "netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes"
        3⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:3756
        • C:\Windows\system32\netsh.exe
          netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes
          4⤵
          • Modifies Windows Firewall
          • Event Triggered Execution: Netsh Helper DLL
          PID:848
      • C:\Windows\rss\csrss.exe
        C:\Windows\rss\csrss.exe /51-51
        3⤵
        • Executes dropped EXE
        • Manipulates WinMonFS driver.
        • Drops file in System32 directory
        • System Location Discovery: System Language Discovery
        • Modifies data under HKEY_USERS
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2996
        • C:\Windows\SYSTEM32\schtasks.exe
          schtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F
          4⤵
          • Scheduled Task/Job: Scheduled Task
          PID:2888
        • C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe
          C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe taskmgr.exe C:\Users\Admin\AppData\Local\Temp\csrss\injector\NtQuerySystemInformationHook.dll
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:1124
  • C:\Windows\rss\csrss.exe
    "C:\Windows\rss\csrss.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:908
    • C:\Windows\rss\csrss.exe
      "C:\Windows\rss\csrss.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4200
  • C:\Windows\rss\csrss.exe
    C:\Windows\rss\csrss.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:3356
    • C:\Windows\rss\csrss.exe
      "C:\Windows\rss\csrss.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2504

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        injector.exe

        • Path C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe
        • Size 281KB
        • SHA256 5de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        csrss.exe

        • Path C:\Windows\rss\csrss.exe
        • Size 4.4MB
        • SHA256 ff7e853d1aedea3e791579bcf3e12a1e8b1433224694b0109a4798bea820895a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/908-18-0x0000000000400000-0x0000000002FBA000-memory.dmp

        memory/2128-12-0x0000000000400000-0x0000000002FBA000-memory.dmp

        memory/2128-6-0x0000000003460000-0x00000000038A0000-memory.dmp

        memory/2128-7-0x0000000000400000-0x0000000002FBA000-memory.dmp

        memory/2504-27-0x0000000000400000-0x0000000002FBA000-memory.dmp

        memory/2996-26-0x0000000000400000-0x0000000002FBA000-memory.dmp

        memory/2996-38-0x0000000000400000-0x0000000002FBA000-memory.dmp

        memory/2996-45-0x0000000000400000-0x0000000002FBA000-memory.dmp

        memory/2996-22-0x0000000000400000-0x0000000002FBA000-memory.dmp

        memory/2996-42-0x0000000000400000-0x0000000002FBA000-memory.dmp

        memory/2996-41-0x0000000000400000-0x0000000002FBA000-memory.dmp

        memory/2996-40-0x0000000000400000-0x0000000002FBA000-memory.dmp

        memory/2996-39-0x0000000000400000-0x0000000002FBA000-memory.dmp

        memory/2996-33-0x0000000000400000-0x0000000002FBA000-memory.dmp

        memory/2996-34-0x0000000000400000-0x0000000002FBA000-memory.dmp

        memory/2996-35-0x0000000000400000-0x0000000002FBA000-memory.dmp

        memory/2996-36-0x0000000000400000-0x0000000002FBA000-memory.dmp

        memory/2996-37-0x0000000000400000-0x0000000002FBA000-memory.dmp

        memory/3356-24-0x0000000000400000-0x0000000002FBA000-memory.dmp

        memory/4200-21-0x0000000000400000-0x0000000002FBA000-memory.dmp

        memory/4556-4-0x0000000000400000-0x0000000002FBA000-memory.dmp

        memory/4556-2-0x0000000003860000-0x000000000417E000-memory.dmp

        memory/4556-5-0x0000000003860000-0x000000000417E000-memory.dmp

        memory/4556-1-0x0000000003410000-0x0000000003859000-memory.dmp