Analysis

  • max time kernel
    120s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    25-01-2025 05:53

General

  • Target

    778ca736990c712c5eb464234f1d05904fd75d969556ad9cbe262070d0352bdaN.exe

  • Size

    88KB

  • MD5

    ef33fe40bcb4caac404839d83889f250

  • SHA1

    002b7951e8e836f446dabd81cb894fa8b9e1b864

  • SHA256

    778ca736990c712c5eb464234f1d05904fd75d969556ad9cbe262070d0352bda

  • SHA512

    f58f9c4ec34e074305af7b13646a3887d986a673932ff7d4524bee1c23b630db638f09c395e2fb1c2a4811bb0d4fb46852f3422e556c271a447ec665f84cc087

  • SSDEEP

    768:w06R0UKzOgnKqGR7//GPc0LOBhvBrHks3IiyhDYQbGmxlNaM+WGa1wuxnzgOYw9j:+R0vxn3Pc0LCH9MtbvabUDzJYWu3BE

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Ramnit

    Ramnit is a versatile family that holds viruses, worms, and Trojans.

  • Ramnit family
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Drops file in System32 directory 2 IoCs
  • UPX packed file 10 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Program Files directory 64 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 31 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\System32\smss.exe
    \SystemRoot\System32\smss.exe
    1⤵
      PID:256
    • C:\Windows\system32\csrss.exe
      %SystemRoot%\system32\csrss.exe ObjectDirectory=\Windows SharedSection=1024,20480,768 Windows=On SubSystemType=Windows ServerDll=basesrv,1 ServerDll=winsrv:UserServerDllInitialization,3 ServerDll=winsrv:ConServerDllInitialization,2 ServerDll=sxssrv,4 ProfileControl=Off MaxRequestThreads=16
      1⤵
        PID:332
      • C:\Windows\system32\wininit.exe
        wininit.exe
        1⤵
          PID:380
          • C:\Windows\system32\services.exe
            C:\Windows\system32\services.exe
            2⤵
              PID:476
              • C:\Windows\system32\svchost.exe
                C:\Windows\system32\svchost.exe -k DcomLaunch
                3⤵
                  PID:596
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    4⤵
                      PID:1312
                    • C:\Windows\system32\wbem\wmiprvse.exe
                      C:\Windows\system32\wbem\wmiprvse.exe
                      4⤵
                        PID:896
                      • C:\Windows\system32\wbem\wmiprvse.exe
                        C:\Windows\system32\wbem\wmiprvse.exe -Embedding
                        4⤵
                          PID:1488
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k RPCSS
                        3⤵
                          PID:672
                        • C:\Windows\System32\svchost.exe
                          C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
                          3⤵
                            PID:744
                          • C:\Windows\System32\svchost.exe
                            C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
                            3⤵
                              PID:816
                              • C:\Windows\system32\Dwm.exe
                                "C:\Windows\system32\Dwm.exe"
                                4⤵
                                  PID:1168
                              • C:\Windows\system32\svchost.exe
                                C:\Windows\system32\svchost.exe -k netsvcs
                                3⤵
                                  PID:844
                                  • \\?\C:\Windows\system32\wbem\WMIADAP.EXE
                                    wmiadap.exe /F /T /R
                                    4⤵
                                      PID:1856
                                  • C:\Windows\system32\svchost.exe
                                    C:\Windows\system32\svchost.exe -k LocalService
                                    3⤵
                                      PID:972
                                    • C:\Windows\system32\svchost.exe
                                      C:\Windows\system32\svchost.exe -k NetworkService
                                      3⤵
                                        PID:276
                                      • C:\Windows\System32\spoolsv.exe
                                        C:\Windows\System32\spoolsv.exe
                                        3⤵
                                          PID:328
                                        • C:\Windows\system32\svchost.exe
                                          C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
                                          3⤵
                                            PID:1072
                                          • C:\Windows\system32\taskhost.exe
                                            "taskhost.exe"
                                            3⤵
                                              PID:1116
                                            • C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE
                                              "C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE"
                                              3⤵
                                                PID:1640
                                              • C:\Windows\system32\svchost.exe
                                                C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
                                                3⤵
                                                  PID:2424
                                                • C:\Windows\system32\sppsvc.exe
                                                  C:\Windows\system32\sppsvc.exe
                                                  3⤵
                                                    PID:2128
                                                • C:\Windows\system32\lsass.exe
                                                  C:\Windows\system32\lsass.exe
                                                  2⤵
                                                    PID:492
                                                  • C:\Windows\system32\lsm.exe
                                                    C:\Windows\system32\lsm.exe
                                                    2⤵
                                                      PID:500
                                                  • C:\Windows\system32\csrss.exe
                                                    %SystemRoot%\system32\csrss.exe ObjectDirectory=\Windows SharedSection=1024,20480,768 Windows=On SubSystemType=Windows ServerDll=basesrv,1 ServerDll=winsrv:UserServerDllInitialization,3 ServerDll=winsrv:ConServerDllInitialization,2 ServerDll=sxssrv,4 ProfileControl=Off MaxRequestThreads=16
                                                    1⤵
                                                      PID:392
                                                    • C:\Windows\system32\winlogon.exe
                                                      winlogon.exe
                                                      1⤵
                                                        PID:432
                                                      • C:\Windows\Explorer.EXE
                                                        C:\Windows\Explorer.EXE
                                                        1⤵
                                                          PID:1200
                                                          • C:\Users\Admin\AppData\Local\Temp\778ca736990c712c5eb464234f1d05904fd75d969556ad9cbe262070d0352bdaN.exe
                                                            "C:\Users\Admin\AppData\Local\Temp\778ca736990c712c5eb464234f1d05904fd75d969556ad9cbe262070d0352bdaN.exe"
                                                            2⤵
                                                            • Loads dropped DLL
                                                            • System Location Discovery: System Language Discovery
                                                            • Suspicious use of UnmapMainImage
                                                            • Suspicious use of WriteProcessMemory
                                                            PID:2084
                                                            • C:\Program Files (x86)\Microsoft\WaterMark.exe
                                                              "C:\Program Files (x86)\Microsoft\WaterMark.exe"
                                                              3⤵
                                                              • Executes dropped EXE
                                                              • System Location Discovery: System Language Discovery
                                                              • Suspicious behavior: EnumeratesProcesses
                                                              • Suspicious use of AdjustPrivilegeToken
                                                              • Suspicious use of UnmapMainImage
                                                              • Suspicious use of WriteProcessMemory
                                                              PID:1772
                                                              • C:\Windows\SysWOW64\svchost.exe
                                                                C:\Windows\system32\svchost.exe
                                                                4⤵
                                                                • Modifies WinLogon for persistence
                                                                • Drops file in System32 directory
                                                                • Drops file in Program Files directory
                                                                • System Location Discovery: System Language Discovery
                                                                PID:2572
                                                              • C:\Windows\SysWOW64\svchost.exe
                                                                C:\Windows\system32\svchost.exe
                                                                4⤵
                                                                • System Location Discovery: System Language Discovery
                                                                • Suspicious behavior: EnumeratesProcesses
                                                                • Suspicious use of AdjustPrivilegeToken
                                                                • Suspicious use of WriteProcessMemory
                                                                PID:2656

                                                        Network

                                                        MITRE ATT&CK Enterprise v15

                                                        Replay Monitor

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                                                        Downloads

                                                        • C:\Program Files (x86)\Microsoft\WaterMark.exe

                                                          Filesize

                                                          88KB

                                                          MD5

                                                          ef33fe40bcb4caac404839d83889f250

                                                          SHA1

                                                          002b7951e8e836f446dabd81cb894fa8b9e1b864

                                                          SHA256

                                                          778ca736990c712c5eb464234f1d05904fd75d969556ad9cbe262070d0352bda

                                                          SHA512

                                                          f58f9c4ec34e074305af7b13646a3887d986a673932ff7d4524bee1c23b630db638f09c395e2fb1c2a4811bb0d4fb46852f3422e556c271a447ec665f84cc087

                                                        • C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.ecf.core.ssl.feature_1.0.0.v20140827-1444\epl-v10.html

                                                          Filesize

                                                          190KB

                                                          MD5

                                                          189caa9f614b0f44a8738ee0448d0d72

                                                          SHA1

                                                          12c908880f4c32f712803f88e7d3de8000e9910b

                                                          SHA256

                                                          f19ac1b43d03989f790f584554d3f9cc26b2e6dc989ea4525e49886c5733acbd

                                                          SHA512

                                                          5ad48fcd18571a250d983e2c81dba20f3e3e568167decea39048cfe3004030ea8c5a836cee276eb979e8139148eb19801badcc522c608b60bac69b455ab3cc49

                                                        • C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.ecf.core.ssl.feature_1.0.0.v20140827-1444\license.html

                                                          Filesize

                                                          186KB

                                                          MD5

                                                          0826595272932f4c5367c3336e6b7966

                                                          SHA1

                                                          2d0a488c93d2acc36fdc825c9ee3c57167ec24b6

                                                          SHA256

                                                          5beeda21c6d024dc1b27eaae32fc3be63cc299250eb78465fde6cb47e48df550

                                                          SHA512

                                                          29f2d5165193939c9dd4d4b37e4c4a55c754932b26818aa9061ecbe40272f57ed1af92e67dbc1523ecf747375b0b782424cc1401bbe5ed33a9ddbc4c2efa4699

                                                        • memory/1772-29-0x0000000077C6F000-0x0000000077C70000-memory.dmp

                                                          Filesize

                                                          4KB

                                                        • memory/1772-614-0x0000000000400000-0x0000000000421000-memory.dmp

                                                          Filesize

                                                          132KB

                                                        • memory/1772-78-0x0000000077C6F000-0x0000000077C70000-memory.dmp

                                                          Filesize

                                                          4KB

                                                        • memory/1772-70-0x0000000000400000-0x0000000000421000-memory.dmp

                                                          Filesize

                                                          132KB

                                                        • memory/1772-58-0x0000000000060000-0x0000000000061000-memory.dmp

                                                          Filesize

                                                          4KB

                                                        • memory/1772-30-0x0000000020010000-0x0000000020022000-memory.dmp

                                                          Filesize

                                                          72KB

                                                        • memory/1772-28-0x0000000000050000-0x0000000000051000-memory.dmp

                                                          Filesize

                                                          4KB

                                                        • memory/1772-26-0x0000000000400000-0x0000000000421000-memory.dmp

                                                          Filesize

                                                          132KB

                                                        • memory/2084-6-0x0000000000400000-0x0000000000421000-memory.dmp

                                                          Filesize

                                                          132KB

                                                        • memory/2084-4-0x0000000000400000-0x0000000000421000-memory.dmp

                                                          Filesize

                                                          132KB

                                                        • memory/2084-3-0x0000000000400000-0x0000000000421000-memory.dmp

                                                          Filesize

                                                          132KB

                                                        • memory/2084-5-0x0000000000400000-0x0000000000421000-memory.dmp

                                                          Filesize

                                                          132KB

                                                        • memory/2084-7-0x0000000000400000-0x0000000000421000-memory.dmp

                                                          Filesize

                                                          132KB

                                                        • memory/2084-8-0x0000000000400000-0x0000000000421000-memory.dmp

                                                          Filesize

                                                          132KB

                                                        • memory/2084-1-0x0000000000140000-0x0000000000141000-memory.dmp

                                                          Filesize

                                                          4KB

                                                        • memory/2084-2-0x0000000000400000-0x0000000000421000-memory.dmp

                                                          Filesize

                                                          132KB

                                                        • memory/2084-0-0x0000000000400000-0x000000000043B000-memory.dmp

                                                          Filesize

                                                          236KB

                                                        • memory/2572-41-0x0000000000080000-0x0000000000081000-memory.dmp

                                                          Filesize

                                                          4KB

                                                        • memory/2572-50-0x0000000020010000-0x0000000020022000-memory.dmp

                                                          Filesize

                                                          72KB

                                                        • memory/2572-54-0x0000000020010000-0x0000000020022000-memory.dmp

                                                          Filesize

                                                          72KB

                                                        • memory/2572-47-0x0000000020010000-0x0000000020022000-memory.dmp

                                                          Filesize

                                                          72KB

                                                        • memory/2572-42-0x0000000020010000-0x0000000020022000-memory.dmp

                                                          Filesize

                                                          72KB

                                                        • memory/2572-43-0x00000000000D0000-0x00000000000D1000-memory.dmp

                                                          Filesize

                                                          4KB

                                                        • memory/2572-40-0x00000000000E0000-0x00000000000E1000-memory.dmp

                                                          Filesize

                                                          4KB

                                                        • memory/2572-33-0x0000000000080000-0x0000000000081000-memory.dmp

                                                          Filesize

                                                          4KB

                                                        • memory/2572-31-0x0000000020010000-0x0000000020022000-memory.dmp

                                                          Filesize

                                                          72KB

                                                        • memory/2572-351-0x0000000020010000-0x0000000020022000-memory.dmp

                                                          Filesize

                                                          72KB

                                                        • memory/2656-60-0x0000000020010000-0x000000002001B000-memory.dmp

                                                          Filesize

                                                          44KB

                                                        • memory/2656-79-0x0000000077C70000-0x0000000077C71000-memory.dmp

                                                          Filesize

                                                          4KB

                                                        • memory/2656-81-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                                          Filesize

                                                          4KB

                                                        • memory/2656-77-0x0000000020010000-0x000000002001B000-memory.dmp

                                                          Filesize

                                                          44KB

                                                        • memory/2656-82-0x0000000020010000-0x000000002001B000-memory.dmp

                                                          Filesize

                                                          44KB

                                                        • memory/2656-80-0x0000000020010000-0x000000002001B000-memory.dmp

                                                          Filesize

                                                          44KB

                                                        • memory/2656-76-0x00000000001E0000-0x00000000001E1000-memory.dmp

                                                          Filesize

                                                          4KB

                                                        • memory/2656-71-0x0000000020010000-0x000000002001B000-memory.dmp

                                                          Filesize

                                                          44KB

                                                        • memory/2656-75-0x0000000020010000-0x000000002001B000-memory.dmp

                                                          Filesize

                                                          44KB