Analysis

  • max time kernel
    141s
  • max time network
    143s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    28-12-2024 02:27

General

  • Target

    c2136daa5869b5e7e10a63c96d3323b2a308445d1129c1a22b3463e4e0fd7ada.exe

  • Size

    224KB

  • MD5

    c39c82b5d90aae3ebe2135bc5855b47d

  • SHA1

    a3b297a7c6afd6b4736b42119aa21843a85215fd

  • SHA256

    c2136daa5869b5e7e10a63c96d3323b2a308445d1129c1a22b3463e4e0fd7ada

  • SHA512

    2d8cb43d0dbd48dfb1daf784ed1db39d9cce0a1501274abbfca36e2984d28f2d6621ed526615a689b96c36a2473e37ea617fb2d92a95740dd78a24f410405ecc

  • SSDEEP

    3072:yCTb5pjMvVC/orl+9TuG7a2LZ0aFwS1ESN3ii:ftCVC/GlmwmZ0SwS1Ey

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 9 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 36 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 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:384
          • C:\Windows\system32\services.exe
            C:\Windows\system32\services.exe
            2⤵
              PID:480
              • C:\Windows\system32\svchost.exe
                C:\Windows\system32\svchost.exe -k DcomLaunch
                3⤵
                  PID:604
                  • C:\Windows\system32\wbem\wmiprvse.exe
                    C:\Windows\system32\wbem\wmiprvse.exe
                    4⤵
                      PID:1656
                    • C:\Windows\system32\DllHost.exe
                      C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                      4⤵
                        PID:848
                    • C:\Windows\system32\svchost.exe
                      C:\Windows\system32\svchost.exe -k RPCSS
                      3⤵
                        PID:684
                      • C:\Windows\System32\svchost.exe
                        C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
                        3⤵
                          PID:748
                        • C:\Windows\System32\svchost.exe
                          C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
                          3⤵
                            PID:820
                            • 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:856
                                • C:\Windows\system32\wbem\WMIADAP.EXE
                                  wmiadap.exe /F /T /R
                                  4⤵
                                    PID:1784
                                • C:\Windows\system32\svchost.exe
                                  C:\Windows\system32\svchost.exe -k LocalService
                                  3⤵
                                    PID:980
                                  • C:\Windows\system32\svchost.exe
                                    C:\Windows\system32\svchost.exe -k NetworkService
                                    3⤵
                                      PID:272
                                    • C:\Windows\System32\spoolsv.exe
                                      C:\Windows\System32\spoolsv.exe
                                      3⤵
                                        PID:348
                                      • C:\Windows\system32\svchost.exe
                                        C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
                                        3⤵
                                          PID:1036
                                        • 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:1448
                                            • C:\Windows\system32\svchost.exe
                                              C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
                                              3⤵
                                                PID:1068
                                              • C:\Windows\system32\sppsvc.exe
                                                C:\Windows\system32\sppsvc.exe
                                                3⤵
                                                  PID:2028
                                              • C:\Windows\system32\lsass.exe
                                                C:\Windows\system32\lsass.exe
                                                2⤵
                                                  PID:488
                                                • C:\Windows\system32\lsm.exe
                                                  C:\Windows\system32\lsm.exe
                                                  2⤵
                                                    PID:496
                                                • 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:396
                                                  • C:\Windows\system32\winlogon.exe
                                                    winlogon.exe
                                                    1⤵
                                                      PID:432
                                                    • C:\Windows\Explorer.EXE
                                                      C:\Windows\Explorer.EXE
                                                      1⤵
                                                        PID:1212
                                                        • C:\Users\Admin\AppData\Local\Temp\c2136daa5869b5e7e10a63c96d3323b2a308445d1129c1a22b3463e4e0fd7ada.exe
                                                          "C:\Users\Admin\AppData\Local\Temp\c2136daa5869b5e7e10a63c96d3323b2a308445d1129c1a22b3463e4e0fd7ada.exe"
                                                          2⤵
                                                          • Loads dropped DLL
                                                          • Drops file in Program Files directory
                                                          • System Location Discovery: System Language Discovery
                                                          • Suspicious use of WriteProcessMemory
                                                          PID:2884
                                                          • 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 WriteProcessMemory
                                                            PID:3068
                                                            • 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
                                                              • Suspicious use of AdjustPrivilegeToken
                                                              PID:2624
                                                            • 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:2420

                                                      Network

                                                      MITRE ATT&CK Enterprise v15

                                                      Replay Monitor

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                                                      Downloads

                                                      • C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.ecf.filetransfer.httpclient4.feature_3.9.1.v20140827-1444\epl-v10.html

                                                        Filesize

                                                        461KB

                                                        MD5

                                                        efb6e3f96bc2861076f60771f01f2a91

                                                        SHA1

                                                        9fb4407a5c0330ca4a5f1e58b34556b00d401e71

                                                        SHA256

                                                        92f71e41353bd0300512358900fafb0d7298370c5fa40a7ebdbff7f010a55455

                                                        SHA512

                                                        4c14ee4c50abf76df7fd2d27f2b23d404fea500d11be9253921476837bb8ed3a760094b5b4260f45cdf7bafdf54856c24a20c75b7e0f6ec3d292d7d1532174de

                                                      • C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.ecf.filetransfer.httpclient4.feature_3.9.1.v20140827-1444\license.html

                                                        Filesize

                                                        457KB

                                                        MD5

                                                        0bc3c7cbdba696916edb9249b5943097

                                                        SHA1

                                                        1b3dd72727a4bf96fb06de6612f2e753d3b3e665

                                                        SHA256

                                                        9c737297443a8d0b07ac27ec8fe783bd08344f9a9b92d86be006f2a441ff407b

                                                        SHA512

                                                        f5a8d49d248ed588ed79b3de91d1c4fcbc4a9121c63303e32425e9e642409edbb6f9f70b156faae6f051826973dcb27712b1b2fb8c62481f46b981279c771d1a

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

                                                        Filesize

                                                        224KB

                                                        MD5

                                                        c39c82b5d90aae3ebe2135bc5855b47d

                                                        SHA1

                                                        a3b297a7c6afd6b4736b42119aa21843a85215fd

                                                        SHA256

                                                        c2136daa5869b5e7e10a63c96d3323b2a308445d1129c1a22b3463e4e0fd7ada

                                                        SHA512

                                                        2d8cb43d0dbd48dfb1daf784ed1db39d9cce0a1501274abbfca36e2984d28f2d6621ed526615a689b96c36a2473e37ea617fb2d92a95740dd78a24f410405ecc

                                                      • memory/2420-44-0x0000000020010000-0x000000002001B000-memory.dmp

                                                        Filesize

                                                        44KB

                                                      • memory/2420-56-0x0000000000360000-0x0000000000361000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/2420-57-0x0000000020010000-0x000000002001B000-memory.dmp

                                                        Filesize

                                                        44KB

                                                      • memory/2420-60-0x00000000003B0000-0x00000000003B1000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/2420-61-0x0000000020010000-0x000000002001B000-memory.dmp

                                                        Filesize

                                                        44KB

                                                      • memory/2420-59-0x0000000020010000-0x000000002001B000-memory.dmp

                                                        Filesize

                                                        44KB

                                                      • memory/2420-58-0x0000000077600000-0x0000000077601000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/2420-54-0x0000000020010000-0x000000002001B000-memory.dmp

                                                        Filesize

                                                        44KB

                                                      • memory/2420-50-0x0000000020010000-0x000000002001B000-memory.dmp

                                                        Filesize

                                                        44KB

                                                      • memory/2624-20-0x0000000000080000-0x0000000000081000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/2624-33-0x0000000020010000-0x0000000020021000-memory.dmp

                                                        Filesize

                                                        68KB

                                                      • memory/2624-30-0x0000000000090000-0x0000000000091000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/2624-38-0x0000000020010000-0x0000000020021000-memory.dmp

                                                        Filesize

                                                        68KB

                                                      • memory/2624-31-0x0000000020010000-0x0000000020021000-memory.dmp

                                                        Filesize

                                                        68KB

                                                      • memory/2624-26-0x0000000020010000-0x0000000020021000-memory.dmp

                                                        Filesize

                                                        68KB

                                                      • memory/2624-24-0x00000000000A0000-0x00000000000A1000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/2624-344-0x0000000020010000-0x0000000020021000-memory.dmp

                                                        Filesize

                                                        68KB

                                                      • memory/2624-25-0x0000000000080000-0x0000000000081000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/2624-18-0x0000000020010000-0x0000000020021000-memory.dmp

                                                        Filesize

                                                        68KB

                                                      • memory/2884-0-0x0000000000400000-0x0000000000442000-memory.dmp

                                                        Filesize

                                                        264KB

                                                      • memory/2884-1-0x0000000000220000-0x0000000000221000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/2884-2-0x0000000000400000-0x0000000000442000-memory.dmp

                                                        Filesize

                                                        264KB

                                                      • memory/3068-40-0x0000000000260000-0x0000000000261000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/3068-16-0x0000000000400000-0x0000000000442000-memory.dmp

                                                        Filesize

                                                        264KB

                                                      • memory/3068-15-0x0000000000240000-0x0000000000241000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/3068-14-0x0000000000400000-0x0000000000442000-memory.dmp

                                                        Filesize

                                                        264KB

                                                      • memory/3068-12-0x0000000000400000-0x0000000000442000-memory.dmp

                                                        Filesize

                                                        264KB

                                                      • memory/3068-55-0x0000000000400000-0x0000000000442000-memory.dmp

                                                        Filesize

                                                        264KB

                                                      • memory/3068-595-0x00000000775FF000-0x0000000077600000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/3068-599-0x0000000000400000-0x0000000000442000-memory.dmp

                                                        Filesize

                                                        264KB

                                                      • memory/3068-42-0x00000000775FF000-0x0000000077600000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/3068-41-0x0000000000400000-0x0000000000442000-memory.dmp

                                                        Filesize

                                                        264KB