Analysis

  • max time kernel
    148s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    30/09/2026, 02:10

General

  • Target
    Install_Task_KMSServersManager.cmd
  • Size 2KB
  • Sample260930-clq4aat19j
  • SHA256 ffb0aa5af7b463161b622c3e07a0ffc9eae9c276b0b8c405746f4a1e450be07c
  • MD5 SHA1 SHA512 TLSH

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 5 IoCs
  • Executes a command shell one-liner 1 TTPs 8 IoCs

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

  • Reads the TCP/IP host and domain name from the registry 1 TTPs 4 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

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

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

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Modifies data under HKEY_USERS 5 IoCs
  • Runs ping.exe 1 TTPs 1 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 use of AdjustPrivilegeToken 30 IoCs
  • Suspicious use of WriteProcessMemory 30 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:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\Install_Task_KMSServersManager.cmd"
    1⤵
    • Executes a command shell one-liner
    • Suspicious use of WriteProcessMemory
    PID:4800
    • C:\Windows\system32\chcp.com
      chcp 65001
      2⤵
        PID:2064
      • C:\Windows\system32\reg.exe
        "C:\Windows\system32\reg.exe" query "HKU\S-1-5-19"
        2⤵
          PID:3272
        • C:\Windows\system32\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /end /tn "KMSServersManager"
          2⤵
            PID:6060
          • C:\Windows\system32\schtasks.exe
            "C:\Windows\system32\schtasks.exe" /delete /tn "KMSServersManager" /f
            2⤵
              PID:4964
            • C:\Windows\system32\schtasks.exe
              "C:\Windows\system32\schtasks.exe" /create /tn "KMSServersManager" /xml "C:\ProgramData\KMSServersManager\KMSServersManager.xml"
              2⤵
              • Scheduled Task/Job: Scheduled Task
              PID:2480
            • C:\Windows\system32\schtasks.exe
              "C:\Windows\system32\schtasks.exe" /run /tn "KMSServersManager"
              2⤵
                PID:1104
              • C:\Windows\system32\cmd.exe
                "C:\Windows\system32\cmd.exe" /c exit /b 0
                2⤵
                • Executes a command shell one-liner
                PID:2516
            • C:\Windows\system32\cmd.exe
              C:\Windows\system32\cmd.exe /c "C:\ProgramData\KMSServersManager\KMSServersManager.cmd" /e /l
              1⤵
              • Executes a command shell one-liner
              • Suspicious use of WriteProcessMemory
              PID:4056
              • C:\Windows\system32\chcp.com
                chcp 65001
                2⤵
                  PID:5600
                • C:\Windows\system32\cmd.exe
                  C:\Windows\system32\cmd.exe /c ver
                  2⤵
                  • Executes a command shell one-liner
                  PID:3496
                • C:\Windows\system32\cmd.exe
                  C:\Windows\system32\cmd.exe /c dir /b /s /a-d "C:\Program Files\Microsoft Office\ospp.vbs" 2>nul
                  2⤵
                  • Executes a command shell one-liner
                  PID:4976
                • C:\Windows\system32\cmd.exe
                  C:\Windows\system32\cmd.exe /c ver
                  2⤵
                  • Executes a command shell one-liner
                  PID:888
                • C:\Windows\system32\cmd.exe
                  C:\Windows\system32\cmd.exe /c "wmic.exe Path Win32_OperatingSystem Get Caption /Value" 2>nul
                  2⤵
                  • Executes a command shell one-liner
                  • Suspicious use of WriteProcessMemory
                  PID:4136
                  • C:\Windows\system32\Wbem\WMIC.exe
                    wmic.exe Path Win32_OperatingSystem Get Caption /Value
                    3⤵
                    • Reads the TCP/IP host and domain name from the registry
                    • Suspicious use of AdjustPrivilegeToken
                    PID:5332
                • C:\Windows\system32\reg.exe
                  "C:\Windows\system32\reg.exe" query "HKU\S-1-5-19"
                  2⤵
                    PID:1668
                  • C:\Windows\system32\PING.EXE
                    "C:\Windows\system32\ping.exe" -n 1 google.com
                    2⤵
                    • System Network Configuration Discovery: Internet Connection Discovery
                    • Runs ping.exe
                    PID:1160
                  • C:\Windows\system32\reg.exe
                    "C:\Windows\system32\reg.exe" add "HKCU\Software\Microsoft\Windows Script Host\Settings" /v "Enabled" /t REG_DWORD /d "1" /f
                    2⤵
                    • Modifies data under HKEY_USERS
                    PID:1604
                  • C:\Windows\system32\reg.exe
                    "C:\Windows\system32\reg.exe" add "HKLM\Software\Microsoft\Windows Script Host\Settings" /v "Enabled" /t REG_DWORD /d "1" /f
                    2⤵
                      PID:3964
                    • C:\ProgramData\KMSServersManager\vlmcs.exe
                      "C:\ProgramData\KMSServersManager\vlmcs.exe" -l 1 -p 192.168.100.2
                      2⤵
                      • Executes dropped EXE
                      • Loads dropped DLL
                      • Suspicious use of AdjustPrivilegeToken
                      PID:3608
                    • C:\ProgramData\KMSServersManager\vlmcs.exe
                      "C:\ProgramData\KMSServersManager\vlmcs.exe" -l 1 -p vlm.freemyip.com:43615
                      2⤵
                      • Executes dropped EXE
                      • Loads dropped DLL
                      • Reads the TCP/IP host and domain name from the registry
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of AdjustPrivilegeToken
                      PID:5452
                    • C:\Windows\system32\reg.exe
                      "C:\Windows\system32\reg.exe" delete "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\SoftwareProtectionPlatform\55C92734-D682-4D71-983E-D6EC3F16059F" /f
                      2⤵
                        PID:4180
                      • C:\Windows\system32\reg.exe
                        "C:\Windows\system32\reg.exe" delete "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\SoftwareProtectionPlatform\0FF1CE15-A989-479D-AF46-F275C6370663" /f
                        2⤵
                          PID:316
                        • C:\Windows\system32\reg.exe
                          "C:\Windows\system32\reg.exe" add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\SoftwareProtectionPlatform" /f /v "KeyManagementServiceName" /d "vlm.freemyip.com" /t "REG_SZ"
                          2⤵
                            PID:1192
                          • C:\Windows\system32\reg.exe
                            "C:\Windows\system32\reg.exe" add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\SoftwareProtectionPlatform" /f /v "KeyManagementServicePort" /d "43615" /t "REG_SZ"
                            2⤵
                              PID:5028
                            • C:\Windows\system32\reg.exe
                              "C:\Windows\system32\reg.exe" add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\SoftwareProtectionPlatform" /f /v "UserOperations" /d "1" /t "REG_DWORD"
                              2⤵
                                PID:4972
                              • C:\Windows\system32\reg.exe
                                "C:\Windows\system32\reg.exe" delete "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\SoftwareProtectionPlatform\55C92734-D682-4D71-983E-D6EC3F16059F" /f /reg:32
                                2⤵
                                  PID:5088
                                • C:\Windows\system32\reg.exe
                                  "C:\Windows\system32\reg.exe" delete "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\SoftwareProtectionPlatform\0FF1CE15-A989-479D-AF46-F275C6370663" /f /reg:32
                                  2⤵
                                    PID:436
                                  • C:\Windows\system32\reg.exe
                                    "C:\Windows\system32\reg.exe" add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\SoftwareProtectionPlatform" /f /v "KeyManagementServiceName" /d "vlm.freemyip.com" /t "REG_SZ" /reg:32
                                    2⤵
                                      PID:1004
                                    • C:\Windows\system32\reg.exe
                                      "C:\Windows\system32\reg.exe" add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\SoftwareProtectionPlatform" /f /v "KeyManagementServicePort" /d "43615" /t "REG_SZ" /reg:32
                                      2⤵
                                        PID:2976
                                      • C:\Windows\system32\reg.exe
                                        "C:\Windows\system32\reg.exe" add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\SoftwareProtectionPlatform" /f /v "UserOperations" /d "1" /t "REG_DWORD" /reg:32
                                        2⤵
                                          PID:3316
                                        • C:\Windows\system32\cmd.exe
                                          "C:\Windows\system32\cmd.exe" /c exit /b 0
                                          2⤵
                                          • Executes a command shell one-liner
                                          PID:1888

                                      Network

                                            MITRE ATT&CK Enterprise v16

                                            Replay Monitor

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                                            Downloads

                                            KMSServers.ini

                                            • Path C:\ProgramData\KMSServersManager\KMSServers.ini
                                            • Size 23KB
                                            • SHA256 8d13ef1bd4355df7d4c6139371b09b15ee13270d314acfa5420a8fe447c5e54d
                                            • MD5 SHA1 SHA512 SSDEEP TLSH

                                            KMSServersManager.cmd

                                            • Path C:\ProgramData\KMSServersManager\KMSServersManager.cmd
                                            • Size 13KB
                                            • SHA256 ad9879857a02474a6b392a87376b8e8432068f26677416a92057581cf052c89e
                                            • MD5 SHA1 SHA512 SSDEEP TLSH

                                            KMSServersManager.xml

                                            • Path C:\ProgramData\KMSServersManager\KMSServersManager.xml
                                            • Size 3KB
                                            • SHA256 bd3d0d72ea6d7eee0c7238da737b4627783b8363e3d1192377632bb1da3de3dd
                                            • MD5 SHA1 SHA512 TLSH

                                            cyggcc_s-1.dll

                                            • Path C:\ProgramData\KMSServersManager\cyggcc_s-1.dll
                                            • Size 108KB
                                            • SHA256 0aa9dba17c91e94178aef17953bca88db60e4b27afeceb2a3826a268e4bc0205
                                            • MD5 SHA1 SHA512 SSDEEP TLSH

                                            cygwin1.dll

                                            • Path C:\ProgramData\KMSServersManager\cygwin1.dll
                                            • Size 3.3MB
                                            • SHA256 7203f05765c21579807d425714d29a3022e6e045a5e1925c62fbb6f670baa420
                                            • MD5 SHA1 SHA512 SSDEEP TLSH

                                            slmgr.vbs

                                            • Path C:\ProgramData\KMSServersManager\slmgr.vbs
                                            • Size 139KB
                                            • SHA256 979f47658a89e046ce53de7dda6546f875e28c64baf062259c2081dc528ac1ec
                                            • MD5 SHA1 SHA512 SSDEEP TLSH

                                            vlmcs.exe

                                            • Path C:\ProgramData\KMSServersManager\vlmcs.exe
                                            • Size 53KB
                                            • SHA256 21dda576a2f67c10f8c3e396e490cfd59d7b3c4578fe749adee81e4167009b0f
                                            • MD5 SHA1 SHA512 SSDEEP TLSH

                                            wct999B.tmp

                                            • Path C:\ProgramData\KMSServersManager\wct999B.tmp
                                            • Size 63KB
                                            • SHA256 543796a1b343b4ebc0285d89cb8eb70667ac7b513da37495e38003704e9d88d7
                                            • MD5 SHA1 SHA512 SSDEEP TLSH

                                            memory/3608-135-0x0000000000C60000-0x0000000001150000-memory.dmp

                                            memory/3608-134-0x0000000061000000-0x00000000614F0000-memory.dmp

                                            memory/3608-136-0x0000000061000000-0x00000000614F0000-memory.dmp

                                            memory/3608-137-0x0000000000400000-0x0000000000412000-memory.dmp

                                            memory/3608-138-0x000000006FC40000-0x000000006FC62000-memory.dmp

                                            memory/3608-140-0x0000000000C60000-0x0000000001150000-memory.dmp

                                            memory/3608-145-0x000000006FC40000-0x000000006FC62000-memory.dmp

                                            memory/3608-146-0x0000000061000000-0x00000000614F0000-memory.dmp

                                            memory/5452-150-0x0000000000400000-0x0000000000412000-memory.dmp

                                            memory/5452-152-0x000000006FC40000-0x000000006FC62000-memory.dmp

                                            memory/5452-151-0x0000000061000000-0x00000000614F0000-memory.dmp