Analysis

  • max time kernel
    150s
  • max time network
    109s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    15-05-2024 01:22

General

  • Target

    133fda00a490e613f3a6c511c1c660eb.exe

  • Size

    4.5MB

  • MD5

    133fda00a490e613f3a6c511c1c660eb

  • SHA1

    e34f9f1c622a7e6d3cb34217b0935ebdaab8ebe9

  • SHA256

    cac0056b23a93519a5f4e526e52187f37b88373c76aa065b9f895d1ecd4f4169

  • SHA512

    f4dd02b04326e37a3368d9c385b363689f877ae43c16de103efada642f41fe85580939db84a030597e3032d6da407d073af2b64160feec6fe38f37f1b473fffd

  • SSDEEP

    24576:ypPiRcjGOOiX3Sl9L7MupXdagdle6whTeo5A4T9W+xjaCsyfwUmvHX+ODvz8JQDm:

Score
10/10

Malware Config

Signatures

  • Detect ZGRat V1 34 IoCs
  • Modifies security service 2 TTPs 2 IoCs
  • Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
  • ZGRat

    ZGRat is remote access trojan written in C#.

  • Drops startup file 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Drops file in System32 directory 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 54 IoCs

Processes

  • C:\Windows\system32\winlogon.exe
    winlogon.exe
    1⤵
      PID:436
      • C:\Windows\System32\dllhost.exe
        C:\Windows\System32\dllhost.exe /Processid:{42fdab5d-5af4-442f-b44d-5d15faf0d241}
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2444
    • C:\Windows\system32\services.exe
      C:\Windows\system32\services.exe
      1⤵
        PID:480
        • C:\Windows\system32\svchost.exe
          C:\Windows\system32\svchost.exe -k DcomLaunch
          2⤵
            PID:604
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k RPCSS
            2⤵
              PID:672
            • C:\Windows\System32\svchost.exe
              C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
              2⤵
              • Modifies security service
              PID:752
            • C:\Windows\System32\svchost.exe
              C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
              2⤵
                PID:820
                • C:\Windows\system32\Dwm.exe
                  "C:\Windows\system32\Dwm.exe"
                  3⤵
                    PID:1176
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k netsvcs
                  2⤵
                    PID:856
                    • C:\Windows\system32\taskeng.exe
                      taskeng.exe {00E7FC05-B848-462F-990D-687FCC9AC81A} S-1-5-18:NT AUTHORITY\System:Service:
                      3⤵
                      • Suspicious use of WriteProcessMemory
                      PID:2816
                      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.EXE
                        C:\Windows\System32\WindowsPowerShell\v1.0\powershell.EXE "[Reflection.Assembly]::Load([Microsoft.Win32.Registry]::LocalMachine.OpenSubkey(''+[Char](83)+''+[Char](79)+''+'F'+''+[Char](84)+''+[Char](87)+''+'A'+'RE').GetValue(''+[Char](36)+''+'7'+''+[Char](55)+''+[Char](115)+'t'+[Char](97)+''+[Char](103)+''+'e'+'r')).EntryPoint.Invoke($Null,$Null)"
                        4⤵
                        • Suspicious use of NtCreateUserProcessOtherParentProcess
                        • Drops file in System32 directory
                        • Suspicious use of SetThreadContext
                        • Modifies data under HKEY_USERS
                        • Suspicious behavior: EnumeratesProcesses
                        • Suspicious use of AdjustPrivilegeToken
                        • Suspicious use of WriteProcessMemory
                        PID:1692
                  • C:\Windows\system32\svchost.exe
                    C:\Windows\system32\svchost.exe -k LocalService
                    2⤵
                      PID:976
                    • C:\Windows\system32\svchost.exe
                      C:\Windows\system32\svchost.exe -k NetworkService
                      2⤵
                        PID:276
                      • C:\Windows\System32\spoolsv.exe
                        C:\Windows\System32\spoolsv.exe
                        2⤵
                          PID:348
                        • C:\Windows\system32\svchost.exe
                          C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
                          2⤵
                            PID:1076
                          • C:\Windows\system32\taskhost.exe
                            "taskhost.exe"
                            2⤵
                              PID:1104
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
                              2⤵
                                PID:2072
                              • C:\Windows\system32\sppsvc.exe
                                C:\Windows\system32\sppsvc.exe
                                2⤵
                                  PID:1328
                              • C:\Windows\system32\lsass.exe
                                C:\Windows\system32\lsass.exe
                                1⤵
                                  PID:496
                                • C:\Windows\system32\lsm.exe
                                  C:\Windows\system32\lsm.exe
                                  1⤵
                                    PID:504
                                  • C:\Windows\Explorer.EXE
                                    C:\Windows\Explorer.EXE
                                    1⤵
                                      PID:1204
                                      • C:\Users\Admin\AppData\Local\Temp\133fda00a490e613f3a6c511c1c660eb.exe
                                        "C:\Users\Admin\AppData\Local\Temp\133fda00a490e613f3a6c511c1c660eb.exe"
                                        2⤵
                                        • Drops startup file
                                        • Loads dropped DLL
                                        • Suspicious use of SetThreadContext
                                        • Suspicious behavior: EnumeratesProcesses
                                        • Suspicious use of AdjustPrivilegeToken
                                        • Suspicious use of WriteProcessMemory
                                        PID:2940
                                        • C:\Users\Admin\AppData\Local\Temp\$775d00ed
                                          "C:\Users\Admin\AppData\Local\Temp\$775d00ed"
                                          3⤵
                                          • Executes dropped EXE
                                          PID:1680
                                        • C:\Users\Admin\AppData\Local\Temp\$776beb70
                                          "C:\Users\Admin\AppData\Local\Temp\$776beb70"
                                          3⤵
                                          • Executes dropped EXE
                                          PID:320
                                    • C:\Windows\system32\conhost.exe
                                      \??\C:\Windows\system32\conhost.exe "-106274011121221992836097402759122997-1382717557-11145955461325743251-1558568642"
                                      1⤵
                                        PID:2080

                                      Network

                                      MITRE ATT&CK Enterprise v15

                                      Replay Monitor

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                                      Downloads

                                      • \Users\Admin\AppData\Local\Temp\$775d00ed

                                        Filesize

                                        4.5MB

                                        MD5

                                        133fda00a490e613f3a6c511c1c660eb

                                        SHA1

                                        e34f9f1c622a7e6d3cb34217b0935ebdaab8ebe9

                                        SHA256

                                        cac0056b23a93519a5f4e526e52187f37b88373c76aa065b9f895d1ecd4f4169

                                        SHA512

                                        f4dd02b04326e37a3368d9c385b363689f877ae43c16de103efada642f41fe85580939db84a030597e3032d6da407d073af2b64160feec6fe38f37f1b473fffd

                                      • memory/1680-4910-0x0000000000400000-0x000000000042B000-memory.dmp

                                        Filesize

                                        172KB

                                      • memory/1692-4916-0x000007FEF5AB0000-0x000007FEF644D000-memory.dmp

                                        Filesize

                                        9.6MB

                                      • memory/1692-4942-0x0000000001390000-0x00000000013BA000-memory.dmp

                                        Filesize

                                        168KB

                                      • memory/1692-4941-0x000007FEF5AB0000-0x000007FEF644D000-memory.dmp

                                        Filesize

                                        9.6MB

                                      • memory/1692-4917-0x00000000009F0000-0x00000000009F8000-memory.dmp

                                        Filesize

                                        32KB

                                      • memory/1692-5108-0x000007FEF5D6E000-0x000007FEF5D6F000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/1692-4915-0x000000001A090000-0x000000001A372000-memory.dmp

                                        Filesize

                                        2.9MB

                                      • memory/1692-4914-0x000007FEF5AB0000-0x000007FEF644D000-memory.dmp

                                        Filesize

                                        9.6MB

                                      • memory/1692-4913-0x000007FEF5AB0000-0x000007FEF644D000-memory.dmp

                                        Filesize

                                        9.6MB

                                      • memory/1692-4912-0x000007FEF5AB0000-0x000007FEF644D000-memory.dmp

                                        Filesize

                                        9.6MB

                                      • memory/1692-4911-0x000007FEF5D6E000-0x000007FEF5D6F000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/1692-5109-0x000007FEF5AB0000-0x000007FEF644D000-memory.dmp

                                        Filesize

                                        9.6MB

                                      • memory/2940-10-0x0000000005F40000-0x000000000617A000-memory.dmp

                                        Filesize

                                        2.2MB

                                      • memory/2940-4884-0x00000000022D0000-0x000000000231C000-memory.dmp

                                        Filesize

                                        304KB

                                      • memory/2940-46-0x0000000005F40000-0x000000000617A000-memory.dmp

                                        Filesize

                                        2.2MB

                                      • memory/2940-44-0x0000000005F40000-0x000000000617A000-memory.dmp

                                        Filesize

                                        2.2MB

                                      • memory/2940-42-0x0000000005F40000-0x000000000617A000-memory.dmp

                                        Filesize

                                        2.2MB

                                      • memory/2940-40-0x0000000005F40000-0x000000000617A000-memory.dmp

                                        Filesize

                                        2.2MB

                                      • memory/2940-36-0x0000000005F40000-0x000000000617A000-memory.dmp

                                        Filesize

                                        2.2MB

                                      • memory/2940-34-0x0000000005F40000-0x000000000617A000-memory.dmp

                                        Filesize

                                        2.2MB

                                      • memory/2940-32-0x0000000005F40000-0x000000000617A000-memory.dmp

                                        Filesize

                                        2.2MB

                                      • memory/2940-28-0x0000000005F40000-0x000000000617A000-memory.dmp

                                        Filesize

                                        2.2MB

                                      • memory/2940-24-0x0000000005F40000-0x000000000617A000-memory.dmp

                                        Filesize

                                        2.2MB

                                      • memory/2940-22-0x0000000005F40000-0x000000000617A000-memory.dmp

                                        Filesize

                                        2.2MB

                                      • memory/2940-18-0x0000000005F40000-0x000000000617A000-memory.dmp

                                        Filesize

                                        2.2MB

                                      • memory/2940-16-0x0000000005F40000-0x000000000617A000-memory.dmp

                                        Filesize

                                        2.2MB

                                      • memory/2940-12-0x0000000005F40000-0x000000000617A000-memory.dmp

                                        Filesize

                                        2.2MB

                                      • memory/2940-0-0x000000007462E000-0x000000007462F000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/2940-54-0x0000000005F40000-0x000000000617A000-memory.dmp

                                        Filesize

                                        2.2MB

                                      • memory/2940-56-0x0000000005F40000-0x000000000617A000-memory.dmp

                                        Filesize

                                        2.2MB

                                      • memory/2940-58-0x0000000005F40000-0x000000000617A000-memory.dmp

                                        Filesize

                                        2.2MB

                                      • memory/2940-66-0x0000000005F40000-0x000000000617A000-memory.dmp

                                        Filesize

                                        2.2MB

                                      • memory/2940-64-0x0000000005F40000-0x000000000617A000-memory.dmp

                                        Filesize

                                        2.2MB

                                      • memory/2940-62-0x0000000005F40000-0x000000000617A000-memory.dmp

                                        Filesize

                                        2.2MB

                                      • memory/2940-60-0x0000000005F40000-0x000000000617A000-memory.dmp

                                        Filesize

                                        2.2MB

                                      • memory/2940-50-0x0000000005F40000-0x000000000617A000-memory.dmp

                                        Filesize

                                        2.2MB

                                      • memory/2940-4883-0x0000000004DB0000-0x0000000004E2E000-memory.dmp

                                        Filesize

                                        504KB

                                      • memory/2940-4885-0x0000000074620000-0x0000000074D0E000-memory.dmp

                                        Filesize

                                        6.9MB

                                      • memory/2940-4886-0x0000000074620000-0x0000000074D0E000-memory.dmp

                                        Filesize

                                        6.9MB

                                      • memory/2940-4887-0x000000007462E000-0x000000007462F000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/2940-4888-0x0000000074620000-0x0000000074D0E000-memory.dmp

                                        Filesize

                                        6.9MB

                                      • memory/2940-4889-0x0000000074620000-0x0000000074D0E000-memory.dmp

                                        Filesize

                                        6.9MB

                                      • memory/2940-52-0x0000000005F40000-0x000000000617A000-memory.dmp

                                        Filesize

                                        2.2MB

                                      • memory/2940-48-0x0000000005F40000-0x000000000617A000-memory.dmp

                                        Filesize

                                        2.2MB

                                      • memory/2940-38-0x0000000005F40000-0x000000000617A000-memory.dmp

                                        Filesize

                                        2.2MB

                                      • memory/2940-30-0x0000000005F40000-0x000000000617A000-memory.dmp

                                        Filesize

                                        2.2MB

                                      • memory/2940-26-0x0000000005F40000-0x000000000617A000-memory.dmp

                                        Filesize

                                        2.2MB

                                      • memory/2940-20-0x0000000005F40000-0x000000000617A000-memory.dmp

                                        Filesize

                                        2.2MB

                                      • memory/2940-14-0x0000000005F40000-0x000000000617A000-memory.dmp

                                        Filesize

                                        2.2MB

                                      • memory/2940-6-0x0000000005F40000-0x000000000617A000-memory.dmp

                                        Filesize

                                        2.2MB

                                      • memory/2940-4-0x0000000005F40000-0x000000000617A000-memory.dmp

                                        Filesize

                                        2.2MB

                                      • memory/2940-4918-0x00000000045F0000-0x0000000004644000-memory.dmp

                                        Filesize

                                        336KB

                                      • memory/2940-4940-0x0000000074620000-0x0000000074D0E000-memory.dmp

                                        Filesize

                                        6.9MB

                                      • memory/2940-8-0x0000000005F40000-0x000000000617A000-memory.dmp

                                        Filesize

                                        2.2MB

                                      • memory/2940-3-0x0000000005F40000-0x000000000617A000-memory.dmp

                                        Filesize

                                        2.2MB

                                      • memory/2940-2-0x0000000005F40000-0x0000000006180000-memory.dmp

                                        Filesize

                                        2.2MB

                                      • memory/2940-1-0x0000000000880000-0x0000000000D06000-memory.dmp

                                        Filesize

                                        4.5MB