Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    25/08/2026, 22:47

General

  • Target
    2026-08-23_a8f4d9c0f0ec1305703daf7c73f35514_amadey_elex_redline-stealer_rhadamanthys_smoke-loader_stop.exe
  • Size 4.1MB
  • Sample260825-2qyflabb37
  • SHA256 964c3273fb0919b1fb6bd171e52e1c98020f2eb3f5cb658230ba01b935207ea3
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: Glupteba

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

  • Glupteba payload 22 IoCs
  • Detects Windows executables referencing non-Windows User-Agents 19 IoCs
  • Detects executables Discord URL observed in first stage droppers 19 IoCs
  • Detects executables containing URLs to raw contents of a Github gist 19 IoCs
  • Detects executables referencing many varying, potentially fake Windows User-Agents 19 IoCs
  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Executes dropped EXE 6 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Checks installed software on the system 1 TTPs

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

  • Contacts third-party web service commonly abused for C2 1 TTPs 2 IoCs

    Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

  • Manipulates WinMonFS driver. 1 IoCs

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

  • 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.

  • Modifies trusted root certificate store through registry 1 TTPs 2 IoCs

    A root certificate was added, modified, or removed in the trusted certificate store registry paths.

  • 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 40 IoCs
  • Modifies system certificate store 2 TTPs 1 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 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\2026-08-23_a8f4d9c0f0ec1305703daf7c73f35514_amadey_elex_redline-stealer_rhadamanthys_smoke-loader_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-23_a8f4d9c0f0ec1305703daf7c73f35514_amadey_elex_redline-stealer_rhadamanthys_smoke-loader_stop.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:4100
    • C:\Users\Admin\AppData\Local\Temp\2026-08-23_a8f4d9c0f0ec1305703daf7c73f35514_amadey_elex_redline-stealer_rhadamanthys_smoke-loader_stop.exe
      "C:\Users\Admin\AppData\Local\Temp\2026-08-23_a8f4d9c0f0ec1305703daf7c73f35514_amadey_elex_redline-stealer_rhadamanthys_smoke-loader_stop.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 WriteProcessMemory
      PID:3112
      • 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:3336
        • 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:2528
      • C:\Windows\rss\csrss.exe
        C:\Windows\rss\csrss.exe
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Manipulates WinMonFS driver.
        • Modifies trusted root certificate store through registry
        • System Location Discovery: System Language Discovery
        • Modifies data under HKEY_USERS
        • Modifies system certificate store
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1012
        • 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:3904
        • C:\Windows\SYSTEM32\schtasks.exe
          schtasks /delete /tn ScheduledUpdate /f
          4⤵
            PID:3056
          • 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:1768
          • 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:1352
    • 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:5032
      • C:\Windows\rss\csrss.exe
        "C:\Windows\rss\csrss.exe"
        2⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:1612
    • 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:3968
      • C:\Windows\rss\csrss.exe
        "C:\Windows\rss\csrss.exe"
        2⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:4400

    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 4.1MB
          • SHA256 964c3273fb0919b1fb6bd171e52e1c98020f2eb3f5cb658230ba01b935207ea3
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/1012-36-0x0000000000400000-0x0000000002FFB000-memory.dmp

          memory/1012-33-0x0000000000400000-0x0000000002FFB000-memory.dmp

          memory/1012-42-0x0000000000400000-0x0000000002FFB000-memory.dmp

          memory/1012-41-0x0000000000400000-0x0000000002FFB000-memory.dmp

          memory/1012-40-0x0000000000400000-0x0000000002FFB000-memory.dmp

          memory/1012-39-0x0000000000400000-0x0000000002FFB000-memory.dmp

          memory/1012-18-0x0000000000400000-0x0000000002FFB000-memory.dmp

          memory/1012-32-0x0000000000400000-0x0000000002FFB000-memory.dmp

          memory/1012-38-0x0000000000400000-0x0000000002FFB000-memory.dmp

          memory/1012-37-0x0000000000400000-0x0000000002FFB000-memory.dmp

          memory/1012-35-0x0000000000400000-0x0000000002FFB000-memory.dmp

          memory/1012-30-0x0000000000400000-0x0000000002FFB000-memory.dmp

          memory/1012-34-0x0000000000400000-0x0000000002FFB000-memory.dmp

          memory/1612-26-0x0000000000400000-0x0000000002FFB000-memory.dmp

          memory/3112-12-0x0000000000400000-0x0000000002FFB000-memory.dmp

          memory/3112-6-0x00000000032D0000-0x00000000036C9000-memory.dmp

          memory/3968-29-0x0000000000400000-0x0000000002FFB000-memory.dmp

          memory/4100-2-0x0000000005030000-0x00000000058A7000-memory.dmp

          memory/4100-4-0x0000000000400000-0x0000000002FFB000-memory.dmp

          memory/4100-1-0x0000000003260000-0x000000000364C000-memory.dmp

          memory/4100-5-0x0000000005030000-0x00000000058A7000-memory.dmp

          memory/4400-31-0x0000000000400000-0x0000000002FFB000-memory.dmp

          memory/5032-17-0x0000000000400000-0x0000000002FFB000-memory.dmp