Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    23/05/2026, 17:42

General

  • Target
    2026-05-23_143c7c4cee1e2e488f678de268a3644d_amadey_elex_manuscrypt_redline-stealer_rhadamanthys_smoke-loader_stop.exe
  • Size 4.1MB
  • Sample260523-v949xsav21
  • SHA256 561e94044129a21b667e5c7d2125f9f457ec8d9d808eab774399300feeab2e40
  • 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 20 IoCs
  • Detects executables Discord URL observed in first stage droppers 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 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.

  • 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.

  • Program crash 5 IoCs
  • 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\2026-05-23_143c7c4cee1e2e488f678de268a3644d_amadey_elex_manuscrypt_redline-stealer_rhadamanthys_smoke-loader_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-23_143c7c4cee1e2e488f678de268a3644d_amadey_elex_manuscrypt_redline-stealer_rhadamanthys_smoke-loader_stop.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:5936
    • C:\Users\Admin\AppData\Local\Temp\2026-05-23_143c7c4cee1e2e488f678de268a3644d_amadey_elex_manuscrypt_redline-stealer_rhadamanthys_smoke-loader_stop.exe
      "C:\Users\Admin\AppData\Local\Temp\2026-05-23_143c7c4cee1e2e488f678de268a3644d_amadey_elex_manuscrypt_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:6108
      • 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⤵
        • Suspicious use of WriteProcessMemory
        PID:3052
        • 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:3292
      • 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:740
        • 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:1936
        • C:\Windows\SYSTEM32\schtasks.exe
          schtasks /delete /tn ScheduledUpdate /f
          4⤵
            PID:312
          • 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:744
          • 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:2900
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 6108 -s 884
          3⤵
          • Program crash
          PID:1956
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 6108 -ip 6108
      1⤵
        PID:2704
      • 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:2568
        • C:\Windows\rss\csrss.exe
          "C:\Windows\rss\csrss.exe"
          2⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:3056
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 3056 -s 836
            3⤵
            • Program crash
            PID:2964
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2568 -s 824
          2⤵
          • Program crash
          PID:5188
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 2568 -ip 2568
        1⤵
          PID:2236
        • 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:1204
          • C:\Windows\rss\csrss.exe
            "C:\Windows\rss\csrss.exe"
            2⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:572
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 572 -s 828
              3⤵
              • Program crash
              PID:5548
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 1204 -s 700
            2⤵
            • Program crash
            PID:1236
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 588 -p 3056 -ip 3056
          1⤵
            PID:3924
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 1204 -ip 1204
            1⤵
              PID:4916
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 572 -ip 572
              1⤵
                PID:5376

              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 561e94044129a21b667e5c7d2125f9f457ec8d9d808eab774399300feeab2e40
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    memory/572-30-0x0000000000400000-0x0000000000C91000-memory.dmp

                    memory/740-36-0x0000000000400000-0x0000000000C91000-memory.dmp

                    memory/740-37-0x0000000000400000-0x0000000000C91000-memory.dmp

                    memory/740-43-0x0000000000400000-0x0000000000C91000-memory.dmp

                    memory/740-42-0x0000000000400000-0x0000000000C91000-memory.dmp

                    memory/740-41-0x0000000000400000-0x0000000000C91000-memory.dmp

                    memory/740-40-0x0000000000400000-0x0000000000C91000-memory.dmp

                    memory/740-39-0x0000000000400000-0x0000000000C91000-memory.dmp

                    memory/740-38-0x0000000000400000-0x0000000000C91000-memory.dmp

                    memory/740-29-0x0000000000400000-0x0000000000C91000-memory.dmp

                    memory/740-35-0x0000000000400000-0x0000000000C91000-memory.dmp

                    memory/740-31-0x0000000000400000-0x0000000000C91000-memory.dmp

                    memory/740-32-0x0000000000400000-0x0000000000C91000-memory.dmp

                    memory/740-33-0x0000000000400000-0x0000000000C91000-memory.dmp

                    memory/740-34-0x0000000000400000-0x0000000000C91000-memory.dmp

                    memory/1204-28-0x0000000000400000-0x0000000000C91000-memory.dmp

                    memory/2568-17-0x0000000000400000-0x0000000000C91000-memory.dmp

                    memory/3056-25-0x0000000000400000-0x0000000000C91000-memory.dmp

                    memory/5936-2-0x0000000002F10000-0x0000000003787000-memory.dmp

                    memory/5936-1-0x0000000002B20000-0x0000000002F0A000-memory.dmp

                    memory/5936-5-0x0000000002F10000-0x0000000003787000-memory.dmp

                    memory/5936-4-0x0000000000400000-0x0000000000C91000-memory.dmp

                    memory/6108-6-0x0000000002920000-0x0000000002D16000-memory.dmp

                    memory/6108-12-0x0000000000400000-0x0000000000C91000-memory.dmp