Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    01-01-2025 21:17

General

  • Target

    e5b5d03c205bb368c0c586670929f884dad76498581f0bd1d415df827614fdb9.dll

  • Size

    2.5MB

  • MD5

    83c1010fa955c1428c9ad1f5bbaf8f32

  • SHA1

    fa0a0f003fc74ee22336afde02eef7a63ae4d38d

  • SHA256

    e5b5d03c205bb368c0c586670929f884dad76498581f0bd1d415df827614fdb9

  • SHA512

    01f8895f61353392d4c15aeda58ccf07ac80830dbff7b75b9c68d5118d81ac0af2ba6494e0357872d45e9b3650444ac8303f4f90dece815a73fae796f651d14e

  • SSDEEP

    49152:BU3U+ZYmxjpv7x4GFM/+b8dTMNh9Wr73h7NXSWEqNJO5hYTVMCRisKEZePsw:BiU2YmxjpDx4Zo8dYNh9q73h7NXYkRiL

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 10 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 37 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 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:368
          • C:\Windows\system32\services.exe
            C:\Windows\system32\services.exe
            2⤵
              PID:468
              • C:\Windows\system32\svchost.exe
                C:\Windows\system32\svchost.exe -k DcomLaunch
                3⤵
                  PID:584
                  • C:\Windows\system32\wbem\wmiprvse.exe
                    C:\Windows\system32\wbem\wmiprvse.exe
                    4⤵
                      PID:1248
                    • C:\Windows\system32\DllHost.exe
                      C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                      4⤵
                        PID:1556
                    • C:\Windows\system32\svchost.exe
                      C:\Windows\system32\svchost.exe -k RPCSS
                      3⤵
                        PID:664
                      • 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:792
                            • C:\Windows\system32\Dwm.exe
                              "C:\Windows\system32\Dwm.exe"
                              4⤵
                                PID:1160
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k netsvcs
                              3⤵
                                PID:832
                              • 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:268
                                  • C:\Windows\System32\spoolsv.exe
                                    C:\Windows\System32\spoolsv.exe
                                    3⤵
                                      PID:108
                                    • C:\Windows\system32\svchost.exe
                                      C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
                                      3⤵
                                        PID:1056
                                      • C:\Windows\system32\taskhost.exe
                                        "taskhost.exe"
                                        3⤵
                                          PID:1092
                                        • C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE
                                          "C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE"
                                          3⤵
                                            PID:1240
                                          • C:\Windows\system32\svchost.exe
                                            C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
                                            3⤵
                                              PID:3052
                                            • C:\Windows\system32\sppsvc.exe
                                              C:\Windows\system32\sppsvc.exe
                                              3⤵
                                                PID:2208
                                            • 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:384
                                                • C:\Windows\system32\winlogon.exe
                                                  winlogon.exe
                                                  1⤵
                                                    PID:420
                                                  • C:\Windows\Explorer.EXE
                                                    C:\Windows\Explorer.EXE
                                                    1⤵
                                                      PID:1188
                                                      • C:\Windows\system32\rundll32.exe
                                                        rundll32.exe C:\Users\Admin\AppData\Local\Temp\e5b5d03c205bb368c0c586670929f884dad76498581f0bd1d415df827614fdb9.dll,#1
                                                        2⤵
                                                        • Suspicious use of WriteProcessMemory
                                                        PID:2760
                                                        • C:\Windows\SysWOW64\rundll32.exe
                                                          rundll32.exe C:\Users\Admin\AppData\Local\Temp\e5b5d03c205bb368c0c586670929f884dad76498581f0bd1d415df827614fdb9.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:2848
                                                          • 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 UnmapMainImage
                                                            • Suspicious use of WriteProcessMemory
                                                            PID:2872
                                                            • 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 UnmapMainImage
                                                              • Suspicious use of WriteProcessMemory
                                                              PID:2664
                                                              • 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:2800
                                                              • 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:1524
                                                          • C:\Windows\SysWOW64\WerFault.exe
                                                            C:\Windows\SysWOW64\WerFault.exe -u -p 2848 -s 232
                                                            4⤵
                                                            • Program crash
                                                            • Suspicious use of AdjustPrivilegeToken
                                                            PID:2896

                                                    Network

                                                    MITRE ATT&CK Enterprise v15

                                                    Replay Monitor

                                                    Loading Replay Monitor...

                                                    Downloads

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

                                                      Filesize

                                                      356KB

                                                      MD5

                                                      d1654649c5df79cd1df557b1f68c8b2d

                                                      SHA1

                                                      f97eefb7de778ed3a2314dd1a679e79b80d1703f

                                                      SHA256

                                                      954818df89575ea6024b38b35882aea05f19282dea9f19ae42cc5a9769561f77

                                                      SHA512

                                                      0463cb66da8559b2cc7b76928e32a0e74ecfdc939bbbf93d5cca4015aafb0b19b9a4b1633717384fe01333a75d7afa2ba8bda92221c7a1e9a70d087adff0e2cf

                                                    • 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

                                                      725KB

                                                      MD5

                                                      31c9de19a1b01d27558c0c17b065ea2e

                                                      SHA1

                                                      56496592090206e05232eb347f98e5822f6b2518

                                                      SHA256

                                                      8968fba08df3d9c35547b426cb1c0545683f131275b5194e55cb7ef37e469a48

                                                      SHA512

                                                      caa609b757e95fb0e31463f52c7442081dec4196a09c756431aed02f662fa47b993ff6c1da632ea898636d8ab3d7e9d2292806c6fcf6473d93c75bceea699e68

                                                    • 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

                                                      721KB

                                                      MD5

                                                      5783838001e7f4d9b5411bbb355eb727

                                                      SHA1

                                                      fd97dea0394966ffc47bfec2efea8f96bd38b9d7

                                                      SHA256

                                                      8e7693fce658c1bce8870091605607812b5daf15edc2c101617f7f6222c35d3b

                                                      SHA512

                                                      6e56d2d23c0f0157da4e35bd39004aa5ed627bd02dd72f1be804a83d4e472a70601d6bf999fba94a6bdca4019bad0609e70f0e3cf210d7ea346fa91dc2338763

                                                    • memory/1524-92-0x00000000001A0000-0x00000000001A1000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/1524-91-0x0000000020010000-0x000000002001B000-memory.dmp

                                                      Filesize

                                                      44KB

                                                    • memory/1524-93-0x0000000020010000-0x000000002001B000-memory.dmp

                                                      Filesize

                                                      44KB

                                                    • memory/1524-90-0x0000000020010000-0x000000002001B000-memory.dmp

                                                      Filesize

                                                      44KB

                                                    • memory/1524-89-0x0000000000190000-0x0000000000191000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/1524-88-0x0000000020010000-0x000000002001B000-memory.dmp

                                                      Filesize

                                                      44KB

                                                    • memory/1524-84-0x0000000020010000-0x000000002001B000-memory.dmp

                                                      Filesize

                                                      44KB

                                                    • memory/1524-74-0x0000000020010000-0x000000002001B000-memory.dmp

                                                      Filesize

                                                      44KB

                                                    • memory/2664-41-0x0000000000400000-0x0000000000421000-memory.dmp

                                                      Filesize

                                                      132KB

                                                    • memory/2664-414-0x0000000000400000-0x0000000000421000-memory.dmp

                                                      Filesize

                                                      132KB

                                                    • memory/2664-37-0x0000000000400000-0x0000000000477000-memory.dmp

                                                      Filesize

                                                      476KB

                                                    • memory/2664-42-0x00000000001A0000-0x00000000001A1000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2664-43-0x0000000077E6F000-0x0000000077E70000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2664-674-0x0000000000400000-0x0000000000421000-memory.dmp

                                                      Filesize

                                                      132KB

                                                    • memory/2664-72-0x00000000001B0000-0x00000000001B1000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2664-420-0x0000000077E6F000-0x0000000077E70000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2800-64-0x0000000000080000-0x0000000000081000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2800-421-0x0000000020010000-0x0000000020022000-memory.dmp

                                                      Filesize

                                                      72KB

                                                    • memory/2800-63-0x00000000000A0000-0x00000000000A1000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2800-59-0x0000000020010000-0x0000000020022000-memory.dmp

                                                      Filesize

                                                      72KB

                                                    • memory/2800-54-0x0000000020010000-0x0000000020022000-memory.dmp

                                                      Filesize

                                                      72KB

                                                    • memory/2800-47-0x0000000000080000-0x0000000000081000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2800-45-0x0000000020010000-0x0000000020022000-memory.dmp

                                                      Filesize

                                                      72KB

                                                    • memory/2800-65-0x0000000020010000-0x0000000020022000-memory.dmp

                                                      Filesize

                                                      72KB

                                                    • memory/2800-66-0x0000000020010000-0x0000000020022000-memory.dmp

                                                      Filesize

                                                      72KB

                                                    • memory/2800-68-0x0000000000090000-0x0000000000091000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2848-0-0x0000000008000000-0x0000000008294000-memory.dmp

                                                      Filesize

                                                      2.6MB

                                                    • memory/2848-3-0x0000000008000000-0x0000000008294000-memory.dmp

                                                      Filesize

                                                      2.6MB

                                                    • memory/2848-419-0x0000000008000000-0x0000000008294000-memory.dmp

                                                      Filesize

                                                      2.6MB

                                                    • memory/2848-9-0x0000000008000000-0x0000000008294000-memory.dmp

                                                      Filesize

                                                      2.6MB

                                                    • memory/2848-10-0x0000000008000000-0x0000000008294000-memory.dmp

                                                      Filesize

                                                      2.6MB

                                                    • memory/2848-11-0x0000000001CA0000-0x0000000001D17000-memory.dmp

                                                      Filesize

                                                      476KB

                                                    • memory/2872-16-0x0000000000400000-0x0000000000421000-memory.dmp

                                                      Filesize

                                                      132KB

                                                    • memory/2872-14-0x0000000000400000-0x0000000000421000-memory.dmp

                                                      Filesize

                                                      132KB

                                                    • memory/2872-15-0x0000000000400000-0x0000000000421000-memory.dmp

                                                      Filesize

                                                      132KB

                                                    • memory/2872-13-0x0000000000400000-0x0000000000477000-memory.dmp

                                                      Filesize

                                                      476KB

                                                    • memory/2872-19-0x0000000000400000-0x0000000000421000-memory.dmp

                                                      Filesize

                                                      132KB

                                                    • memory/2872-83-0x0000000000400000-0x0000000000421000-memory.dmp

                                                      Filesize

                                                      132KB

                                                    • memory/2872-17-0x0000000000400000-0x0000000000421000-memory.dmp

                                                      Filesize

                                                      132KB

                                                    • memory/2872-18-0x0000000000140000-0x0000000000141000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2872-20-0x0000000000400000-0x0000000000421000-memory.dmp

                                                      Filesize

                                                      132KB

                                                    • memory/2872-23-0x0000000000400000-0x0000000000421000-memory.dmp

                                                      Filesize

                                                      132KB

                                                    • memory/2872-32-0x0000000000401000-0x0000000000416000-memory.dmp

                                                      Filesize

                                                      84KB