Analysis

  • max time kernel
    121s
  • max time network
    143s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    20/04/2024, 18:34

General

  • Target

    Xworm cfg.exe

  • Size

    240KB

  • MD5

    a815c5b47b23939ca295e469c0dd8ed8

  • SHA1

    4c8eb5a35c099127433cc1d0000fb1749e61367b

  • SHA256

    f0327eb525c670040177a66a4f948b153b0eeaa6b762ea6aa85b9e922630ed95

  • SHA512

    35797edec08d9543f9a6d00d775f68798dbc6dc3f1e7b53c8b7fd5d31af8db200323d7784d852fb8b2883c210a340ef30c7c401dc9ada14dfdfe53092449ec09

  • SSDEEP

    3072:uANarzCs2/hLPJxyXc+6EDbUh/Y+nCzu6wlMB3H6G6Ii6sgXbvxf+KcF4j8:uANardX7x0F6eMB3J6IiqbZf9lj8

Score
10/10

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Drops file in Program Files directory 3 IoCs
  • Drops file in Windows directory 3 IoCs
  • Creates scheduled task(s) 1 TTPs 27 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 64 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\Xworm cfg.exe
    "C:\Users\Admin\AppData\Local\Temp\Xworm cfg.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2240
    • C:\Windows\system32\CMD.exe
      "CMD" /C SchTaSKs /CrEAte /F /sc OnLoGoN /rl HighEst /tn "Windows Update" /tr "C:\Windows\Media\xdwdCli3nt.exe" & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2732
      • C:\Windows\system32\schtasks.exe
        SchTaSKs /CrEAte /F /sc OnLoGoN /rl HighEst /tn "Windows Update" /tr "C:\Windows\Media\xdwdCli3nt.exe"
        3⤵
        • Creates scheduled task(s)
        PID:2556
    • C:\Windows\system32\CMD.exe
      "CMD" /c SchTaSKs /create /f /sc minute /mo -1 /tn "System Update" /tr "C:\Windows\Media\xdwdCli3nt.exe" /RL HIGHEST & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2844
      • C:\Windows\system32\schtasks.exe
        SchTaSKs /create /f /sc minute /mo -1 /tn "System Update" /tr "C:\Windows\Media\xdwdCli3nt.exe" /RL HIGHEST
        3⤵
        • Creates scheduled task(s)
        PID:2424
    • C:\Windows\system32\CMD.exe
      "CMD" /c SchTaSKs /create /f /sc minute /mo 5 /tn "RunTimeBroker" /tr "C:\Program Files\Nvidia\xdwdWichD0g.exe" /RL HIGHEST & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2804
      • C:\Windows\system32\schtasks.exe
        SchTaSKs /create /f /sc minute /mo 5 /tn "RunTimeBroker" /tr "C:\Program Files\Nvidia\xdwdWichD0g.exe" /RL HIGHEST
        3⤵
        • Creates scheduled task(s)
        PID:2988
    • C:\Windows\system32\CMD.exe
      "CMD" /c SchTaSKs /create /f /sc minute /mo -1 /tn "System Update" /tr "C:\Windows\Media\xdwdCli3nt.exe" /RL HIGHEST & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2640
      • C:\Windows\system32\schtasks.exe
        SchTaSKs /create /f /sc minute /mo -1 /tn "System Update" /tr "C:\Windows\Media\xdwdCli3nt.exe" /RL HIGHEST
        3⤵
        • Creates scheduled task(s)
        PID:2348
    • C:\Windows\system32\CMD.exe
      "CMD" /c SchTaSKs /create /f /sc minute /mo -1 /tn "System Update" /tr "C:\Windows\Media\xdwdCli3nt.exe" /RL HIGHEST & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2576
      • C:\Windows\system32\schtasks.exe
        SchTaSKs /create /f /sc minute /mo -1 /tn "System Update" /tr "C:\Windows\Media\xdwdCli3nt.exe" /RL HIGHEST
        3⤵
        • Creates scheduled task(s)
        PID:1792
    • C:\Windows\system32\CMD.exe
      "CMD" /c SchTaSKs /create /f /sc minute /mo -1 /tn "System Update" /tr "C:\Windows\Media\xdwdCli3nt.exe" /RL HIGHEST & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2120
      • C:\Windows\system32\schtasks.exe
        SchTaSKs /create /f /sc minute /mo -1 /tn "System Update" /tr "C:\Windows\Media\xdwdCli3nt.exe" /RL HIGHEST
        3⤵
        • Creates scheduled task(s)
        PID:2920
    • C:\Windows\system32\CMD.exe
      "CMD" /c SchTaSKs /create /f /sc minute /mo -1 /tn "System Update" /tr "C:\Windows\Media\xdwdCli3nt.exe" /RL HIGHEST & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1424
      • C:\Windows\system32\schtasks.exe
        SchTaSKs /create /f /sc minute /mo -1 /tn "System Update" /tr "C:\Windows\Media\xdwdCli3nt.exe" /RL HIGHEST
        3⤵
        • Creates scheduled task(s)
        PID:1804
    • C:\Windows\system32\CMD.exe
      "CMD" /c SchTaSKs /create /f /sc minute /mo -1 /tn "System Update" /tr "C:\Windows\Media\xdwdCli3nt.exe" /RL HIGHEST & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2972
      • C:\Windows\system32\schtasks.exe
        SchTaSKs /create /f /sc minute /mo -1 /tn "System Update" /tr "C:\Windows\Media\xdwdCli3nt.exe" /RL HIGHEST
        3⤵
        • Creates scheduled task(s)
        PID:1300
    • C:\Windows\system32\CMD.exe
      "CMD" /c SchTaSKs /create /f /sc minute /mo -1 /tn "System Update" /tr "C:\Windows\Media\xdwdCli3nt.exe" /RL HIGHEST & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2260
      • C:\Windows\system32\schtasks.exe
        SchTaSKs /create /f /sc minute /mo -1 /tn "System Update" /tr "C:\Windows\Media\xdwdCli3nt.exe" /RL HIGHEST
        3⤵
        • Creates scheduled task(s)
        PID:376
    • C:\Windows\system32\CMD.exe
      "CMD" /c SchTaSKs /create /f /sc minute /mo -1 /tn "System Update" /tr "C:\Windows\Media\xdwdCli3nt.exe" /RL HIGHEST & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2736
      • C:\Windows\system32\schtasks.exe
        SchTaSKs /create /f /sc minute /mo -1 /tn "System Update" /tr "C:\Windows\Media\xdwdCli3nt.exe" /RL HIGHEST
        3⤵
        • Creates scheduled task(s)
        PID:2744
    • C:\Windows\system32\CMD.exe
      "CMD" /c SchTaSKs /create /f /sc minute /mo -1 /tn "System Update" /tr "C:\Windows\Media\xdwdCli3nt.exe" /RL HIGHEST & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1580
      • C:\Windows\system32\schtasks.exe
        SchTaSKs /create /f /sc minute /mo -1 /tn "System Update" /tr "C:\Windows\Media\xdwdCli3nt.exe" /RL HIGHEST
        3⤵
        • Creates scheduled task(s)
        PID:2416
    • C:\Windows\system32\CMD.exe
      "CMD" /c SchTaSKs /create /f /sc minute /mo -1 /tn "System Update" /tr "C:\Windows\Media\xdwdCli3nt.exe" /RL HIGHEST & exit
      2⤵
        PID:2456
        • C:\Windows\system32\schtasks.exe
          SchTaSKs /create /f /sc minute /mo -1 /tn "System Update" /tr "C:\Windows\Media\xdwdCli3nt.exe" /RL HIGHEST
          3⤵
          • Creates scheduled task(s)
          PID:1800
      • C:\Windows\system32\CMD.exe
        "CMD" /c SchTaSKs /create /f /sc minute /mo -1 /tn "System Update" /tr "C:\Windows\Media\xdwdCli3nt.exe" /RL HIGHEST & exit
        2⤵
          PID:2668
          • C:\Windows\system32\schtasks.exe
            SchTaSKs /create /f /sc minute /mo -1 /tn "System Update" /tr "C:\Windows\Media\xdwdCli3nt.exe" /RL HIGHEST
            3⤵
            • Creates scheduled task(s)
            PID:2332
        • C:\Windows\system32\CMD.exe
          "CMD" /c SchTaSKs /create /f /sc minute /mo -1 /tn "System Update" /tr "C:\Windows\Media\xdwdCli3nt.exe" /RL HIGHEST & exit
          2⤵
            PID:1476
            • C:\Windows\system32\schtasks.exe
              SchTaSKs /create /f /sc minute /mo -1 /tn "System Update" /tr "C:\Windows\Media\xdwdCli3nt.exe" /RL HIGHEST
              3⤵
              • Creates scheduled task(s)
              PID:1636
          • C:\Windows\system32\CMD.exe
            "CMD" /c SchTaSKs /create /f /sc minute /mo -1 /tn "System Update" /tr "C:\Windows\Media\xdwdCli3nt.exe" /RL HIGHEST & exit
            2⤵
              PID:768
              • C:\Windows\system32\schtasks.exe
                SchTaSKs /create /f /sc minute /mo -1 /tn "System Update" /tr "C:\Windows\Media\xdwdCli3nt.exe" /RL HIGHEST
                3⤵
                • Creates scheduled task(s)
                PID:2928
            • C:\Windows\system32\CMD.exe
              "CMD" /c SchTaSKs /create /f /sc minute /mo -1 /tn "System Update" /tr "C:\Windows\Media\xdwdCli3nt.exe" /RL HIGHEST & exit
              2⤵
                PID:3044
                • C:\Windows\system32\schtasks.exe
                  SchTaSKs /create /f /sc minute /mo -1 /tn "System Update" /tr "C:\Windows\Media\xdwdCli3nt.exe" /RL HIGHEST
                  3⤵
                  • Creates scheduled task(s)
                  PID:976
              • C:\Windows\system32\CMD.exe
                "CMD" /c SchTaSKs /create /f /sc minute /mo -1 /tn "System Update" /tr "C:\Windows\Media\xdwdCli3nt.exe" /RL HIGHEST & exit
                2⤵
                  PID:792
                  • C:\Windows\system32\schtasks.exe
                    SchTaSKs /create /f /sc minute /mo -1 /tn "System Update" /tr "C:\Windows\Media\xdwdCli3nt.exe" /RL HIGHEST
                    3⤵
                    • Creates scheduled task(s)
                    PID:2120
                • C:\Windows\system32\CMD.exe
                  "CMD" /c SchTaSKs /create /f /sc minute /mo -1 /tn "System Update" /tr "C:\Windows\Media\xdwdCli3nt.exe" /RL HIGHEST & exit
                  2⤵
                    PID:948
                    • C:\Windows\system32\schtasks.exe
                      SchTaSKs /create /f /sc minute /mo -1 /tn "System Update" /tr "C:\Windows\Media\xdwdCli3nt.exe" /RL HIGHEST
                      3⤵
                      • Creates scheduled task(s)
                      PID:932
                  • C:\Windows\system32\CMD.exe
                    "CMD" /c SchTaSKs /create /f /sc minute /mo -1 /tn "System Update" /tr "C:\Windows\Media\xdwdCli3nt.exe" /RL HIGHEST & exit
                    2⤵
                      PID:1912
                      • C:\Windows\system32\schtasks.exe
                        SchTaSKs /create /f /sc minute /mo -1 /tn "System Update" /tr "C:\Windows\Media\xdwdCli3nt.exe" /RL HIGHEST
                        3⤵
                        • Creates scheduled task(s)
                        PID:2612
                    • C:\Windows\system32\CMD.exe
                      "CMD" /c SchTaSKs /create /f /sc minute /mo -1 /tn "System Update" /tr "C:\Windows\Media\xdwdCli3nt.exe" /RL HIGHEST & exit
                      2⤵
                        PID:2272
                        • C:\Windows\system32\schtasks.exe
                          SchTaSKs /create /f /sc minute /mo -1 /tn "System Update" /tr "C:\Windows\Media\xdwdCli3nt.exe" /RL HIGHEST
                          3⤵
                          • Creates scheduled task(s)
                          PID:2428
                      • C:\Windows\system32\CMD.exe
                        "CMD" /c SchTaSKs /create /f /sc minute /mo -1 /tn "System Update" /tr "C:\Windows\Media\xdwdCli3nt.exe" /RL HIGHEST & exit
                        2⤵
                          PID:2412
                          • C:\Windows\system32\schtasks.exe
                            SchTaSKs /create /f /sc minute /mo -1 /tn "System Update" /tr "C:\Windows\Media\xdwdCli3nt.exe" /RL HIGHEST
                            3⤵
                            • Creates scheduled task(s)
                            PID:2448
                        • C:\Windows\system32\CMD.exe
                          "CMD" /c SchTaSKs /create /f /sc minute /mo -1 /tn "System Update" /tr "C:\Windows\Media\xdwdCli3nt.exe" /RL HIGHEST & exit
                          2⤵
                            PID:2660
                            • C:\Windows\system32\schtasks.exe
                              SchTaSKs /create /f /sc minute /mo -1 /tn "System Update" /tr "C:\Windows\Media\xdwdCli3nt.exe" /RL HIGHEST
                              3⤵
                              • Creates scheduled task(s)
                              PID:2324
                          • C:\Windows\system32\CMD.exe
                            "CMD" /c SchTaSKs /create /f /sc minute /mo -1 /tn "System Update" /tr "C:\Windows\Media\xdwdCli3nt.exe" /RL HIGHEST & exit
                            2⤵
                              PID:2304
                              • C:\Windows\system32\schtasks.exe
                                SchTaSKs /create /f /sc minute /mo -1 /tn "System Update" /tr "C:\Windows\Media\xdwdCli3nt.exe" /RL HIGHEST
                                3⤵
                                • Creates scheduled task(s)
                                PID:308
                            • C:\Windows\system32\CMD.exe
                              "CMD" /c SchTaSKs /create /f /sc minute /mo -1 /tn "System Update" /tr "C:\Windows\Media\xdwdCli3nt.exe" /RL HIGHEST & exit
                              2⤵
                                PID:512
                                • C:\Windows\system32\schtasks.exe
                                  SchTaSKs /create /f /sc minute /mo -1 /tn "System Update" /tr "C:\Windows\Media\xdwdCli3nt.exe" /RL HIGHEST
                                  3⤵
                                  • Creates scheduled task(s)
                                  PID:2968
                              • C:\Windows\system32\CMD.exe
                                "CMD" /c SchTaSKs /create /f /sc minute /mo -1 /tn "System Update" /tr "C:\Windows\Media\xdwdCli3nt.exe" /RL HIGHEST & exit
                                2⤵
                                  PID:424
                                  • C:\Windows\system32\schtasks.exe
                                    SchTaSKs /create /f /sc minute /mo -1 /tn "System Update" /tr "C:\Windows\Media\xdwdCli3nt.exe" /RL HIGHEST
                                    3⤵
                                    • Creates scheduled task(s)
                                    PID:1860
                                • C:\Windows\system32\CMD.exe
                                  "CMD" /c SchTaSKs /create /f /sc minute /mo -1 /tn "System Update" /tr "C:\Windows\Media\xdwdCli3nt.exe" /RL HIGHEST & exit
                                  2⤵
                                    PID:1252
                                    • C:\Windows\system32\schtasks.exe
                                      SchTaSKs /create /f /sc minute /mo -1 /tn "System Update" /tr "C:\Windows\Media\xdwdCli3nt.exe" /RL HIGHEST
                                      3⤵
                                      • Creates scheduled task(s)
                                      PID:908
                                  • C:\Windows\system32\CMD.exe
                                    "CMD" /c SchTaSKs /create /f /sc minute /mo -1 /tn "System Update" /tr "C:\Windows\Media\xdwdCli3nt.exe" /RL HIGHEST & exit
                                    2⤵
                                      PID:2908
                                      • C:\Windows\system32\schtasks.exe
                                        SchTaSKs /create /f /sc minute /mo -1 /tn "System Update" /tr "C:\Windows\Media\xdwdCli3nt.exe" /RL HIGHEST
                                        3⤵
                                        • Creates scheduled task(s)
                                        PID:1756
                                    • C:\Windows\system32\WerFault.exe
                                      C:\Windows\system32\WerFault.exe -u -p 2240 -s 1972
                                      2⤵
                                        PID:752
                                    • C:\Windows\system32\wbem\WmiApSrv.exe
                                      C:\Windows\system32\wbem\WmiApSrv.exe
                                      1⤵
                                        PID:2036

                                      Network

                                      MITRE ATT&CK Enterprise v15

                                      Replay Monitor

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                                      Downloads

                                      • C:\Windows\Media\xdwdCli3nt.exe

                                        Filesize

                                        733.2MB

                                        MD5

                                        0863399b4d7e1ae7d3339cd958f30028

                                        SHA1

                                        e5c51d53cb28b1692ae7e4cfeaee8f9af98b9891

                                        SHA256

                                        ebcfbef73621ab3a2fce239b434d79821cfcd25d3821c04bc39fc5f8db7d2445

                                        SHA512

                                        57a4605810cb321e218acec020fe5ce79b1df19f0404420f9d4f914646cd11dcec37bcf93e64ddf19c197482706e52cacaeb2ad9e8abef2a4b840790bc898fb5

                                      • memory/2240-1-0x000007FEF5690000-0x000007FEF607C000-memory.dmp

                                        Filesize

                                        9.9MB

                                      • memory/2240-0-0x0000000000E00000-0x0000000000E40000-memory.dmp

                                        Filesize

                                        256KB

                                      • memory/2240-36-0x000000001B6E0000-0x000000001B760000-memory.dmp

                                        Filesize

                                        512KB

                                      • memory/2240-67-0x000007FEF5690000-0x000007FEF607C000-memory.dmp

                                        Filesize

                                        9.9MB

                                      • memory/2240-68-0x0000000000430000-0x000000000043C000-memory.dmp

                                        Filesize

                                        48KB

                                      • memory/2240-760-0x0000000000450000-0x000000000045C000-memory.dmp

                                        Filesize

                                        48KB