Analysis

  • max time kernel
    151s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    31/12/2023, 00:12

General

  • Target

    213a15a8e29b6e82b2b18e65d82e23a5.dll

  • Size

    337KB

  • MD5

    213a15a8e29b6e82b2b18e65d82e23a5

  • SHA1

    009847aa604b44cb9a32a21205164f1bee3de855

  • SHA256

    93b281741450d87853e712660d4eb3421a10b47f5e7691b6ce04d07cf35d8676

  • SHA512

    53e28533efeb5f613e3e79112414384eeeee24f01ed6665af394c8563b4c8ec8304c3c3d00d78ae322c2e97eb1b592e37fb6eb59088a420c61a8c64c080c02f2

  • SSDEEP

    6144:iN0yr1sO/wIKS0FKtOT/OrDtgUi0uvQee7Qee/0QeesQeeglQeekQeeDC7M2yloy:yG6wndYtamDSU1qomj33

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Ramnit

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

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 4 IoCs
  • UPX packed file 11 IoCs

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

  • Drops file in System32 directory 3 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Modifies registry class 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 36 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\services.exe
    C:\Windows\system32\services.exe
    1⤵
      PID:468
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k netsvcs
        2⤵
          PID:836
          • C:\Windows\system32\wbem\WMIADAP.EXE
            wmiadap.exe /F /T /R
            3⤵
              PID:2840
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k NetworkService
            2⤵
              PID:108
            • C:\Windows\system32\svchost.exe
              C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
              2⤵
                PID:1032
              • C:\Windows\System32\spoolsv.exe
                C:\Windows\System32\spoolsv.exe
                2⤵
                  PID:1004
                • C:\Windows\system32\taskhost.exe
                  "taskhost.exe"
                  2⤵
                    PID:1124
                  • C:\Windows\system32\svchost.exe
                    C:\Windows\system32\svchost.exe -k LocalService
                    2⤵
                      PID:960
                    • C:\Windows\system32\sppsvc.exe
                      C:\Windows\system32\sppsvc.exe
                      2⤵
                        PID:2384
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
                        2⤵
                          PID:864
                        • C:\Windows\System32\svchost.exe
                          C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
                          2⤵
                            PID:812
                          • C:\Windows\System32\svchost.exe
                            C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
                            2⤵
                              PID:760
                            • 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 DcomLaunch
                                2⤵
                                  PID:592
                                  • C:\Windows\system32\wbem\wmiprvse.exe
                                    C:\Windows\system32\wbem\wmiprvse.exe -Embedding
                                    3⤵
                                      PID:2964
                                • C:\Windows\system32\winlogon.exe
                                  winlogon.exe
                                  1⤵
                                    PID:420
                                  • 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:380
                                    • C:\Windows\system32\wininit.exe
                                      wininit.exe
                                      1⤵
                                        PID:372
                                        • C:\Windows\system32\lsass.exe
                                          C:\Windows\system32\lsass.exe
                                          2⤵
                                            PID:476
                                          • C:\Windows\system32\lsm.exe
                                            C:\Windows\system32\lsm.exe
                                            2⤵
                                              PID:484
                                          • 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:336
                                            • C:\Windows\System32\smss.exe
                                              \SystemRoot\System32\smss.exe
                                              1⤵
                                                PID:260
                                              • C:\Windows\system32\Dwm.exe
                                                "C:\Windows\system32\Dwm.exe"
                                                1⤵
                                                  PID:1228
                                                • C:\Windows\Explorer.EXE
                                                  C:\Windows\Explorer.EXE
                                                  1⤵
                                                    PID:1252
                                                    • C:\Windows\system32\regsvr32.exe
                                                      regsvr32 /s C:\Users\Admin\AppData\Local\Temp\213a15a8e29b6e82b2b18e65d82e23a5.dll
                                                      2⤵
                                                      • Suspicious use of WriteProcessMemory
                                                      PID:1488
                                                      • C:\Windows\SysWOW64\regsvr32.exe
                                                        /s C:\Users\Admin\AppData\Local\Temp\213a15a8e29b6e82b2b18e65d82e23a5.dll
                                                        3⤵
                                                        • Loads dropped DLL
                                                        • Drops file in System32 directory
                                                        • Modifies registry class
                                                        • Suspicious use of WriteProcessMemory
                                                        PID:2700
                                                        • C:\Windows\SysWOW64\regsvr32mgr.exe
                                                          C:\Windows\SysWOW64\regsvr32mgr.exe
                                                          4⤵
                                                          • Executes dropped EXE
                                                          • Loads dropped DLL
                                                          • Suspicious use of UnmapMainImage
                                                          • Suspicious use of WriteProcessMemory
                                                          PID:2052
                                                          • C:\Program Files (x86)\Microsoft\WaterMark.exe
                                                            "C:\Program Files (x86)\Microsoft\WaterMark.exe"
                                                            5⤵
                                                            • Executes dropped EXE
                                                            • Suspicious behavior: EnumeratesProcesses
                                                            • Suspicious use of AdjustPrivilegeToken
                                                            • Suspicious use of UnmapMainImage
                                                            • Suspicious use of WriteProcessMemory
                                                            PID:2652
                                                            • 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
                                                              PID:2656
                                                            • C:\Windows\SysWOW64\svchost.exe
                                                              C:\Windows\system32\svchost.exe
                                                              6⤵
                                                              • Suspicious behavior: EnumeratesProcesses
                                                              • Suspicious use of AdjustPrivilegeToken
                                                              • Suspicious use of WriteProcessMemory
                                                              PID:2496

                                                  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

                                                          206KB

                                                          MD5

                                                          f7edb98b8556c0739391f67d03d1df98

                                                          SHA1

                                                          3f5440fa4f88565020524017dcd424296165dc7d

                                                          SHA256

                                                          645480c6546e20d54b544727d8788a837e223001ed4c6287539cdebf872eb8ec

                                                          SHA512

                                                          428581829accfa537437d110af29143438dfc54641b8b41c017fc6ee391673f81b38936101b1c4ff688199b0f7497b2aeb18560a57134fa15d169e414e082a08

                                                        • 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

                                                          202KB

                                                          MD5

                                                          63975d304b4aaf333906452d02336c60

                                                          SHA1

                                                          4376ac135fe4ca10d397e126089a16ec54e02e25

                                                          SHA256

                                                          385337c3052b1f8ecad5eec2e43cee275849c273c2472c1d27dfd07c070b4c4b

                                                          SHA512

                                                          9e09cf56e38b93031d5dfbe17bc6f9142d1b30ce877feffc23ac45e005c0d9d41eec2a34e30195933a6f20c709886a285136291e4b6144f51898184ee8aeb59b

                                                        • \Windows\SysWOW64\regsvr32mgr.exe

                                                          Filesize

                                                          96KB

                                                          MD5

                                                          8c51fd9d6daa7b6137634de19a49452c

                                                          SHA1

                                                          db2a11cca434bacad2bf42adeecae38e99cf64f8

                                                          SHA256

                                                          528d190fc376cff62a83391a5ba10ae4ef0c02bedabd0360274ddc2784e11da3

                                                          SHA512

                                                          b93dd6c86d0618798a11dbaa2ded7dac659f6516ca4a87da7297601c27f340fffa4126a852c257654d562529273d8a3f639ec020ab54b879c68226deae549837

                                                        • memory/2052-14-0x0000000000400000-0x0000000000421000-memory.dmp

                                                          Filesize

                                                          132KB

                                                        • memory/2052-12-0x0000000000400000-0x0000000000421000-memory.dmp

                                                          Filesize

                                                          132KB

                                                        • memory/2052-11-0x0000000000400000-0x0000000000421000-memory.dmp

                                                          Filesize

                                                          132KB

                                                        • memory/2052-29-0x0000000000050000-0x0000000000085000-memory.dmp

                                                          Filesize

                                                          212KB

                                                        • memory/2052-15-0x0000000000400000-0x0000000000421000-memory.dmp

                                                          Filesize

                                                          132KB

                                                        • memory/2052-17-0x0000000000400000-0x0000000000421000-memory.dmp

                                                          Filesize

                                                          132KB

                                                        • memory/2052-16-0x0000000000400000-0x0000000000421000-memory.dmp

                                                          Filesize

                                                          132KB

                                                        • memory/2052-13-0x0000000000140000-0x0000000000141000-memory.dmp

                                                          Filesize

                                                          4KB

                                                        • memory/2052-20-0x0000000000400000-0x0000000000421000-memory.dmp

                                                          Filesize

                                                          132KB

                                                        • memory/2052-10-0x0000000000400000-0x0000000000435000-memory.dmp

                                                          Filesize

                                                          212KB

                                                        • memory/2496-88-0x0000000000130000-0x0000000000131000-memory.dmp

                                                          Filesize

                                                          4KB

                                                        • memory/2496-70-0x0000000020010000-0x000000002001B000-memory.dmp

                                                          Filesize

                                                          44KB

                                                        • memory/2496-90-0x0000000020010000-0x000000002001B000-memory.dmp

                                                          Filesize

                                                          44KB

                                                        • memory/2496-85-0x0000000020010000-0x000000002001B000-memory.dmp

                                                          Filesize

                                                          44KB

                                                        • memory/2496-86-0x0000000020010000-0x000000002001B000-memory.dmp

                                                          Filesize

                                                          44KB

                                                        • memory/2496-87-0x00000000779D0000-0x00000000779D1000-memory.dmp

                                                          Filesize

                                                          4KB

                                                        • memory/2496-84-0x00000000000E0000-0x00000000000E1000-memory.dmp

                                                          Filesize

                                                          4KB

                                                        • memory/2496-83-0x0000000020010000-0x000000002001B000-memory.dmp

                                                          Filesize

                                                          44KB

                                                        • memory/2496-79-0x0000000020010000-0x000000002001B000-memory.dmp

                                                          Filesize

                                                          44KB

                                                        • memory/2652-258-0x0000000000400000-0x0000000000421000-memory.dmp

                                                          Filesize

                                                          132KB

                                                        • memory/2652-41-0x0000000000220000-0x0000000000221000-memory.dmp

                                                          Filesize

                                                          4KB

                                                        • memory/2652-32-0x0000000000400000-0x0000000000435000-memory.dmp

                                                          Filesize

                                                          212KB

                                                        • memory/2652-68-0x0000000000230000-0x0000000000231000-memory.dmp

                                                          Filesize

                                                          4KB

                                                        • memory/2652-413-0x0000000000400000-0x0000000000421000-memory.dmp

                                                          Filesize

                                                          132KB

                                                        • memory/2652-268-0x00000000779CF000-0x00000000779D0000-memory.dmp

                                                          Filesize

                                                          4KB

                                                        • memory/2652-264-0x00000000779D0000-0x00000000779D1000-memory.dmp

                                                          Filesize

                                                          4KB

                                                        • memory/2652-262-0x0000000000230000-0x0000000000231000-memory.dmp

                                                          Filesize

                                                          4KB

                                                        • memory/2652-260-0x0000000000260000-0x0000000000261000-memory.dmp

                                                          Filesize

                                                          4KB

                                                        • memory/2652-40-0x0000000000400000-0x0000000000421000-memory.dmp

                                                          Filesize

                                                          132KB

                                                        • memory/2652-42-0x00000000779CF000-0x00000000779D0000-memory.dmp

                                                          Filesize

                                                          4KB

                                                        • memory/2656-55-0x0000000000080000-0x0000000000081000-memory.dmp

                                                          Filesize

                                                          4KB

                                                        • memory/2656-44-0x0000000020010000-0x0000000020022000-memory.dmp

                                                          Filesize

                                                          72KB

                                                        • memory/2656-46-0x0000000000080000-0x0000000000081000-memory.dmp

                                                          Filesize

                                                          4KB

                                                        • memory/2656-54-0x0000000020010000-0x0000000020022000-memory.dmp

                                                          Filesize

                                                          72KB

                                                        • memory/2656-61-0x0000000020010000-0x0000000020022000-memory.dmp

                                                          Filesize

                                                          72KB

                                                        • memory/2656-53-0x00000000000A0000-0x00000000000A1000-memory.dmp

                                                          Filesize

                                                          4KB

                                                        • memory/2656-410-0x0000000020010000-0x0000000020022000-memory.dmp

                                                          Filesize

                                                          72KB

                                                        • memory/2656-57-0x0000000000090000-0x0000000000091000-memory.dmp

                                                          Filesize

                                                          4KB

                                                        • memory/2656-66-0x0000000020010000-0x0000000020022000-memory.dmp

                                                          Filesize

                                                          72KB

                                                        • memory/2700-0-0x0000000074BE0000-0x0000000074C37000-memory.dmp

                                                          Filesize

                                                          348KB

                                                        • memory/2700-3-0x00000000001C0000-0x00000000001F5000-memory.dmp

                                                          Filesize

                                                          212KB

                                                        • memory/2700-6013-0x00000000001C0000-0x00000000001F5000-memory.dmp

                                                          Filesize

                                                          212KB