Analysis

  • max time kernel
    120s
  • max time network
    93s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    12-11-2024 02:32

General

  • Target

    66877fa63f7c660b22dd48ccb953bdb9855568957c15a24073731c911b511926N.dll

  • Size

    4.8MB

  • MD5

    d6a4c7403c2dc7ac47c03ebecf7ed390

  • SHA1

    3d760ac11c1ade04a3b5231331939cdc5d780c4f

  • SHA256

    66877fa63f7c660b22dd48ccb953bdb9855568957c15a24073731c911b511926

  • SHA512

    111557c2bdb96ac536a255b97b2a721f9a14acccb9feda585d4cfa5332c625e74a7660b470b380d24bb42812f66851f1821250e6429ff4480538e881981314ee

  • SSDEEP

    98304:raTiZ7qe+aOKvp3QZ6/HbS9FugmTw3gvhiWaOuBuJ0Ato4z/ukz:raTiZ7qfRmp3QZ6/+9Fu/v0AmWhz

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 12 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 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 4 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:336
      • 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:612
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    4⤵
                      PID:1692
                    • C:\Windows\system32\wbem\wmiprvse.exe
                      C:\Windows\system32\wbem\wmiprvse.exe -Embedding
                      4⤵
                        PID:2248
                    • C:\Windows\system32\svchost.exe
                      C:\Windows\system32\svchost.exe -k RPCSS
                      3⤵
                        PID:692
                      • C:\Windows\System32\svchost.exe
                        C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
                        3⤵
                          PID:776
                        • C:\Windows\System32\svchost.exe
                          C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
                          3⤵
                            PID:832
                            • C:\Windows\system32\Dwm.exe
                              "C:\Windows\system32\Dwm.exe"
                              4⤵
                                PID:1180
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k netsvcs
                              3⤵
                                PID:872
                                • C:\Windows\system32\wbem\WMIADAP.EXE
                                  wmiadap.exe /F /T /R
                                  4⤵
                                    PID:1508
                                • 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:268
                                    • C:\Windows\System32\spoolsv.exe
                                      C:\Windows\System32\spoolsv.exe
                                      3⤵
                                        PID:344
                                      • C:\Windows\system32\svchost.exe
                                        C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
                                        3⤵
                                          PID:1060
                                        • C:\Windows\system32\taskhost.exe
                                          "taskhost.exe"
                                          3⤵
                                            PID:1120
                                          • C:\Windows\system32\svchost.exe
                                            C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
                                            3⤵
                                              PID:2116
                                            • C:\Windows\system32\sppsvc.exe
                                              C:\Windows\system32\sppsvc.exe
                                              3⤵
                                                PID:544
                                            • 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:392
                                                • C:\Windows\system32\winlogon.exe
                                                  winlogon.exe
                                                  1⤵
                                                    PID:432
                                                  • C:\Windows\Explorer.EXE
                                                    C:\Windows\Explorer.EXE
                                                    1⤵
                                                      PID:1212
                                                      • C:\Windows\system32\rundll32.exe
                                                        rundll32.exe C:\Users\Admin\AppData\Local\Temp\66877fa63f7c660b22dd48ccb953bdb9855568957c15a24073731c911b511926N.dll,#1
                                                        2⤵
                                                        • Suspicious use of WriteProcessMemory
                                                        PID:1860
                                                        • C:\Windows\SysWOW64\rundll32.exe
                                                          rundll32.exe C:\Users\Admin\AppData\Local\Temp\66877fa63f7c660b22dd48ccb953bdb9855568957c15a24073731c911b511926N.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:2060
                                                          • 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: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 UnmapMainImage
                                                              • Suspicious use of WriteProcessMemory
                                                              PID:2724
                                                              • 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:2704
                                                              • 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:2380

                                                    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

                                                      238KB

                                                      MD5

                                                      80743d323cd2ba3e29e1f7bc79cbef16

                                                      SHA1

                                                      69161286bc201ad14c000e3e4074b4a0cd8eb645

                                                      SHA256

                                                      3c9b9805781732c37510b39bc08b42ee4cf32c4cc506ac3e025fe55c149528a7

                                                      SHA512

                                                      b4d9fbb04683a950d7f4697c4e312b7e7511a859fdd91d890d8495dee0589ecb96e4aee3cbfab843f5f3af288ede2a8a72bf20558b84c5809e4dc1e0fdc136cd

                                                    • 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

                                                      234KB

                                                      MD5

                                                      6a90da4bd2b217ba1d7c94bc082c4d9c

                                                      SHA1

                                                      e25f271e65cd5433d8b55d8c598beba63afcdbdc

                                                      SHA256

                                                      407c5302858f86c0804df6f4f1840acde53b715e5a9578713c6544c2368831b4

                                                      SHA512

                                                      07f77d72f1c76e3776c7be23f429b8edbff291049056ad97053315118e55e58b0235a475eb38a3bbf9f682ab647f4e85aa7df1aa5182e8ad1a73ed57c52248d4

                                                    • \Windows\SysWOW64\rundll32mgr.exe

                                                      Filesize

                                                      112KB

                                                      MD5

                                                      03c26463753b18d7f68981ea0d0e737f

                                                      SHA1

                                                      98d36db16cc298cc3ca6850557cb1573cd22c272

                                                      SHA256

                                                      9f9304bc206947b1b6790d6c3498dd5293816d221133d5bfe5501bf355758207

                                                      SHA512

                                                      807d38377dbb4131986cba3464ff77752521b4bac1e4cef0cbee0bc365fe485e8677e122a7c3a185627b38e198330372ed031a22d6f8483c618b55dcde115ebe

                                                    • memory/2060-12-0x0000000006000000-0x00000000064CE000-memory.dmp

                                                      Filesize

                                                      4.8MB

                                                    • memory/2060-14-0x0000000006000000-0x00000000064CE000-memory.dmp

                                                      Filesize

                                                      4.8MB

                                                    • memory/2060-18-0x00000000008C0000-0x00000000008F6000-memory.dmp

                                                      Filesize

                                                      216KB

                                                    • memory/2296-16-0x0000000000400000-0x0000000000421000-memory.dmp

                                                      Filesize

                                                      132KB

                                                    • memory/2296-21-0x0000000000400000-0x0000000000421000-memory.dmp

                                                      Filesize

                                                      132KB

                                                    • memory/2296-20-0x0000000000140000-0x0000000000141000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2296-19-0x0000000000400000-0x0000000000436000-memory.dmp

                                                      Filesize

                                                      216KB

                                                    • memory/2296-9-0x0000000000400000-0x0000000000421000-memory.dmp

                                                      Filesize

                                                      132KB

                                                    • memory/2296-10-0x0000000000400000-0x0000000000421000-memory.dmp

                                                      Filesize

                                                      132KB

                                                    • memory/2296-11-0x0000000000400000-0x0000000000421000-memory.dmp

                                                      Filesize

                                                      132KB

                                                    • memory/2296-15-0x0000000000400000-0x0000000000421000-memory.dmp

                                                      Filesize

                                                      132KB

                                                    • memory/2296-8-0x0000000000400000-0x0000000000421000-memory.dmp

                                                      Filesize

                                                      132KB

                                                    • memory/2380-89-0x0000000020010000-0x000000002001B000-memory.dmp

                                                      Filesize

                                                      44KB

                                                    • memory/2380-73-0x0000000020010000-0x000000002001B000-memory.dmp

                                                      Filesize

                                                      44KB

                                                    • memory/2380-241-0x00000000770E0000-0x00000000770E1000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2380-90-0x0000000020010000-0x000000002001B000-memory.dmp

                                                      Filesize

                                                      44KB

                                                    • memory/2380-92-0x0000000020010000-0x000000002001B000-memory.dmp

                                                      Filesize

                                                      44KB

                                                    • memory/2380-91-0x0000000000170000-0x0000000000171000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2380-88-0x0000000000160000-0x0000000000161000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2380-82-0x0000000020010000-0x000000002001B000-memory.dmp

                                                      Filesize

                                                      44KB

                                                    • memory/2380-86-0x0000000020010000-0x000000002001B000-memory.dmp

                                                      Filesize

                                                      44KB

                                                    • memory/2704-55-0x0000000020010000-0x0000000020022000-memory.dmp

                                                      Filesize

                                                      72KB

                                                    • memory/2704-46-0x0000000000080000-0x0000000000081000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2704-54-0x0000000000080000-0x0000000000081000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2704-62-0x0000000020010000-0x0000000020022000-memory.dmp

                                                      Filesize

                                                      72KB

                                                    • memory/2704-44-0x0000000020010000-0x0000000020022000-memory.dmp

                                                      Filesize

                                                      72KB

                                                    • memory/2704-65-0x0000000000090000-0x0000000000091000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2704-365-0x0000000020010000-0x0000000020022000-memory.dmp

                                                      Filesize

                                                      72KB

                                                    • memory/2704-66-0x0000000020010000-0x0000000020022000-memory.dmp

                                                      Filesize

                                                      72KB

                                                    • memory/2704-53-0x00000000000A0000-0x00000000000A1000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2724-71-0x0000000000170000-0x0000000000171000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2724-87-0x0000000000400000-0x0000000000421000-memory.dmp

                                                      Filesize

                                                      132KB

                                                    • memory/2724-42-0x00000000770DF000-0x00000000770E0000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2724-362-0x00000000770DF000-0x00000000770E0000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2724-41-0x0000000000160000-0x0000000000161000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2724-599-0x0000000000400000-0x0000000000421000-memory.dmp

                                                      Filesize

                                                      132KB

                                                    • memory/2724-39-0x0000000000400000-0x0000000000421000-memory.dmp

                                                      Filesize

                                                      132KB

                                                    • memory/2724-35-0x0000000000400000-0x0000000000436000-memory.dmp

                                                      Filesize

                                                      216KB