Analysis

  • max time kernel
    120s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    09-11-2024 05:51

General

  • Target

    ff0d7349bf7426d816ace7eb0061309a055f2c246cbc748c5385f94b8c782b3dN.dll

  • Size

    653KB

  • MD5

    a8f5466521f175fcee8c8e8a4ae08ba0

  • SHA1

    3ce901f8333fe59a52263f7241fd99ad3e2d0085

  • SHA256

    ff0d7349bf7426d816ace7eb0061309a055f2c246cbc748c5385f94b8c782b3d

  • SHA512

    49daec3dd1e1cf5a8f5639b6f82c0afbc6bb9bc8713d6ed10940dccdd0661e7b26558a089aa8e80f329466adb3f7a0d31afd266656ed33b4b7c3875797511222

  • SSDEEP

    6144:WNIQzLZN4k3WvmRPLx+xXqOkyWh9ZN/c4bsXdHtVHs7ZrssmHoE:WNIyZN4+Wv4PLq6Okrh9ZN/hs9Dsd4v

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 2 IoCs
  • Loads dropped DLL 4 IoCs
  • Drops file in System32 directory 3 IoCs
  • UPX packed file 5 IoCs

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

  • Drops file in Program Files directory 64 IoCs
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 5 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 5 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:1088
                      • 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:\Windows\system32\rundll32.exe
                                                            rundll32.exe C:\Users\Admin\AppData\Local\Temp\ff0d7349bf7426d816ace7eb0061309a055f2c246cbc748c5385f94b8c782b3dN.dll,#1
                                                            2⤵
                                                            • Suspicious use of WriteProcessMemory
                                                            PID:956
                                                            • C:\Windows\SysWOW64\rundll32.exe
                                                              rundll32.exe C:\Users\Admin\AppData\Local\Temp\ff0d7349bf7426d816ace7eb0061309a055f2c246cbc748c5385f94b8c782b3dN.dll,#1
                                                              3⤵
                                                              • Loads dropped DLL
                                                              • Drops file in System32 directory
                                                              • System Location Discovery: System Language Discovery
                                                              • Suspicious use of AdjustPrivilegeToken
                                                              • Suspicious use of WriteProcessMemory
                                                              PID:2564
                                                              • C:\Windows\SysWOW64\rundll32mgr.exe
                                                                C:\Windows\SysWOW64\rundll32mgr.exe
                                                                4⤵
                                                                • Executes dropped EXE
                                                                • Loads dropped DLL
                                                                • System Location Discovery: System Language Discovery
                                                                • Suspicious use of WriteProcessMemory
                                                                PID:2296
                                                                • C:\Program Files (x86)\Microsoft\WaterMark.exe
                                                                  "C:\Program Files (x86)\Microsoft\WaterMark.exe"
                                                                  5⤵
                                                                  • Executes dropped EXE
                                                                  • System Location Discovery: System Language Discovery
                                                                  • Suspicious behavior: EnumeratesProcesses
                                                                  • Suspicious use of AdjustPrivilegeToken
                                                                  • Suspicious use of WriteProcessMemory
                                                                  PID:2608
                                                                  • C:\Windows\SysWOW64\svchost.exe
                                                                    C:\Windows\system32\svchost.exe
                                                                    6⤵
                                                                    • Modifies WinLogon for persistence
                                                                    • Drops file in System32 directory
                                                                    • Drops file in Program Files directory
                                                                    • System Location Discovery: System Language Discovery
                                                                    PID:2436
                                                                  • C:\Windows\SysWOW64\svchost.exe
                                                                    C:\Windows\system32\svchost.exe
                                                                    6⤵
                                                                    • System Location Discovery: System Language Discovery
                                                                    • Suspicious behavior: EnumeratesProcesses
                                                                    • Suspicious use of AdjustPrivilegeToken
                                                                    • Suspicious use of WriteProcessMemory
                                                                    PID:2748
                                                              • C:\Windows\SysWOW64\WerFault.exe
                                                                C:\Windows\SysWOW64\WerFault.exe -u -p 2564 -s 224
                                                                4⤵
                                                                • Program crash
                                                                • Suspicious use of AdjustPrivilegeToken
                                                                PID:568

                                                        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.core.ssl.feature_1.0.0.v20140827-1444\epl-v10.html

                                                          Filesize

                                                          149KB

                                                          MD5

                                                          6f8bda703f0944f57b2e707778a1fe01

                                                          SHA1

                                                          57d509595f48cf919516256d37c13d60c8273f9d

                                                          SHA256

                                                          072bd187d5c150d5c4ccc24e5585d9f0a4163399a85279a44c4678c75d4436e0

                                                          SHA512

                                                          c7d49c445947c28060692bebccc078bcba1116c306799267e7cd2eb20790ef08e36e625f545682461b6ce6da88cba647b11b8cd1d047f37a7b832912c7eabee1

                                                        • 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

                                                          145KB

                                                          MD5

                                                          b22ef88a7ab00b6d3a40ca72fbb8b08f

                                                          SHA1

                                                          71946b363ba1e2addc1bd392defcc921d138aefd

                                                          SHA256

                                                          4c5412253d852f5324b6d1f423902ddb25ea30301403f48fdc3b3394cab31a68

                                                          SHA512

                                                          3dad9df90debf53bbb87d71d92a4685b9b4bec9d2d95c612ab368eb92cbaaad9595e766413eb877dab51cb26429890f172fb52e60ae32353a482b4b9c5ae2e17

                                                        • \Windows\SysWOW64\rundll32mgr.exe

                                                          Filesize

                                                          68KB

                                                          MD5

                                                          00c1298f1a25368dbb2101d277345d6f

                                                          SHA1

                                                          b789d839f78e07f414e86e8a84be9960fb305262

                                                          SHA256

                                                          c488a4e83e777d52edd3ef44fbd77d2f34dda8f7d54f3f568972435c5a177b81

                                                          SHA512

                                                          00f0b9c4fcc99ba3ddce94dd42dec845deef6c3b12d3651aa571b136b22d84811063d9d550c817c805b3908c68092c822845543c554d1ccabd2d366a7673decd

                                                        • memory/2296-13-0x0000000000400000-0x0000000000421000-memory.dmp

                                                          Filesize

                                                          132KB

                                                        • memory/2296-12-0x0000000000220000-0x0000000000241000-memory.dmp

                                                          Filesize

                                                          132KB

                                                        • memory/2436-46-0x00000000000A0000-0x00000000000A1000-memory.dmp

                                                          Filesize

                                                          4KB

                                                        • memory/2436-27-0x0000000020010000-0x0000000020022000-memory.dmp

                                                          Filesize

                                                          72KB

                                                        • memory/2436-29-0x0000000000090000-0x0000000000091000-memory.dmp

                                                          Filesize

                                                          4KB

                                                        • memory/2436-33-0x0000000020010000-0x0000000020022000-memory.dmp

                                                          Filesize

                                                          72KB

                                                        • memory/2436-47-0x0000000020010000-0x0000000020022000-memory.dmp

                                                          Filesize

                                                          72KB

                                                        • memory/2436-387-0x0000000020010000-0x0000000020022000-memory.dmp

                                                          Filesize

                                                          72KB

                                                        • memory/2436-45-0x0000000000090000-0x0000000000091000-memory.dmp

                                                          Filesize

                                                          4KB

                                                        • memory/2436-44-0x00000000000B0000-0x00000000000B1000-memory.dmp

                                                          Filesize

                                                          4KB

                                                        • memory/2436-38-0x0000000020010000-0x0000000020022000-memory.dmp

                                                          Filesize

                                                          72KB

                                                        • memory/2564-7-0x0000000010000000-0x00000000100A9000-memory.dmp

                                                          Filesize

                                                          676KB

                                                        • memory/2564-390-0x0000000010000000-0x00000000100A9000-memory.dmp

                                                          Filesize

                                                          676KB

                                                        • memory/2564-9-0x0000000010000000-0x00000000100A9000-memory.dmp

                                                          Filesize

                                                          676KB

                                                        • memory/2608-51-0x0000000000280000-0x0000000000281000-memory.dmp

                                                          Filesize

                                                          4KB

                                                        • memory/2608-52-0x0000000077C6F000-0x0000000077C70000-memory.dmp

                                                          Filesize

                                                          4KB

                                                        • memory/2608-23-0x0000000000400000-0x0000000000421000-memory.dmp

                                                          Filesize

                                                          132KB

                                                        • memory/2608-65-0x0000000000400000-0x0000000000421000-memory.dmp

                                                          Filesize

                                                          132KB

                                                        • memory/2608-25-0x0000000000400000-0x0000000000421000-memory.dmp

                                                          Filesize

                                                          132KB

                                                        • memory/2608-655-0x0000000000400000-0x0000000000421000-memory.dmp

                                                          Filesize

                                                          132KB

                                                        • memory/2608-651-0x0000000077C6F000-0x0000000077C70000-memory.dmp

                                                          Filesize

                                                          4KB

                                                        • memory/2608-24-0x0000000000270000-0x0000000000271000-memory.dmp

                                                          Filesize

                                                          4KB

                                                        • memory/2748-71-0x0000000077C70000-0x0000000077C71000-memory.dmp

                                                          Filesize

                                                          4KB

                                                        • memory/2748-67-0x0000000020010000-0x000000002001B000-memory.dmp

                                                          Filesize

                                                          44KB

                                                        • memory/2748-66-0x0000000000270000-0x0000000000271000-memory.dmp

                                                          Filesize

                                                          4KB

                                                        • memory/2748-68-0x0000000020010000-0x000000002001B000-memory.dmp

                                                          Filesize

                                                          44KB

                                                        • memory/2748-69-0x0000000000280000-0x0000000000281000-memory.dmp

                                                          Filesize

                                                          4KB

                                                        • memory/2748-70-0x0000000020010000-0x000000002001B000-memory.dmp

                                                          Filesize

                                                          44KB

                                                        • memory/2748-54-0x0000000020010000-0x000000002001B000-memory.dmp

                                                          Filesize

                                                          44KB

                                                        • memory/2748-64-0x0000000020010000-0x000000002001B000-memory.dmp

                                                          Filesize

                                                          44KB

                                                        • memory/2748-60-0x0000000020010000-0x000000002001B000-memory.dmp

                                                          Filesize

                                                          44KB