Analysis

  • max time kernel
    150s
  • max time network
    143s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    26-10-2024 03:36

General

  • Target

    d540c15e87f5ef91de29ed9d6c3c830ec610873d9c7fb874777d62f554178c62.dll

  • Size

    879KB

  • MD5

    a8f7c07bb05fa504247aaeb462c441b3

  • SHA1

    3c43fc52e5781e85b58092fe48959ffb24e019d2

  • SHA256

    d540c15e87f5ef91de29ed9d6c3c830ec610873d9c7fb874777d62f554178c62

  • SHA512

    b966f4f6f4a617e9f9ca9595b076ed104861f40cb42da813f1ad2cd8c5c018821dafecda8f9ad80e1fd711edf42905c45926d8bc8cc541a6071fb4f1c986b2c8

  • SSDEEP

    12288:UNIyZN4+Wv4PLq6Okrh9ZN/hs9Dsdt+SrQtw7:U9TPmirh9Zdh6vS6q

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
  • 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: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:584
                  • C:\Windows\system32\wbem\wmiprvse.exe
                    C:\Windows\system32\wbem\wmiprvse.exe
                    4⤵
                      PID:1476
                    • C:\Windows\system32\DllHost.exe
                      C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                      4⤵
                        PID:1640
                    • 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:732
                        • C:\Windows\System32\svchost.exe
                          C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
                          3⤵
                            PID:808
                            • 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:848
                                • C:\Windows\system32\wbem\WMIADAP.EXE
                                  wmiadap.exe /F /T /R
                                  4⤵
                                    PID:1948
                                • C:\Windows\system32\svchost.exe
                                  C:\Windows\system32\svchost.exe -k LocalService
                                  3⤵
                                    PID:968
                                  • C:\Windows\system32\svchost.exe
                                    C:\Windows\system32\svchost.exe -k NetworkService
                                    3⤵
                                      PID:280
                                    • C:\Windows\System32\spoolsv.exe
                                      C:\Windows\System32\spoolsv.exe
                                      3⤵
                                        PID:352
                                      • C:\Windows\system32\svchost.exe
                                        C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
                                        3⤵
                                          PID:1064
                                        • C:\Windows\system32\taskhost.exe
                                          "taskhost.exe"
                                          3⤵
                                            PID:1100
                                          • C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE
                                            "C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE"
                                            3⤵
                                              PID:1320
                                            • C:\Windows\system32\svchost.exe
                                              C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
                                              3⤵
                                                PID:2320
                                              • C:\Windows\system32\sppsvc.exe
                                                C:\Windows\system32\sppsvc.exe
                                                3⤵
                                                  PID:2340
                                              • C:\Windows\system32\lsass.exe
                                                C:\Windows\system32\lsass.exe
                                                2⤵
                                                  PID:484
                                                • C:\Windows\system32\lsm.exe
                                                  C:\Windows\system32\lsm.exe
                                                  2⤵
                                                    PID:492
                                                • 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:388
                                                  • C:\Windows\system32\winlogon.exe
                                                    winlogon.exe
                                                    1⤵
                                                      PID:428
                                                    • C:\Windows\Explorer.EXE
                                                      C:\Windows\Explorer.EXE
                                                      1⤵
                                                        PID:1192
                                                        • C:\Windows\system32\rundll32.exe
                                                          rundll32.exe C:\Users\Admin\AppData\Local\Temp\d540c15e87f5ef91de29ed9d6c3c830ec610873d9c7fb874777d62f554178c62.dll,#1
                                                          2⤵
                                                          • Suspicious use of WriteProcessMemory
                                                          PID:2728
                                                          • C:\Windows\SysWOW64\rundll32.exe
                                                            rundll32.exe C:\Users\Admin\AppData\Local\Temp\d540c15e87f5ef91de29ed9d6c3c830ec610873d9c7fb874777d62f554178c62.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:2940
                                                            • 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:2844
                                                              • 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:2708
                                                                • 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:3012
                                                                • 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:1700
                                                            • C:\Windows\SysWOW64\WerFault.exe
                                                              C:\Windows\SysWOW64\WerFault.exe -u -p 2940 -s 224
                                                              4⤵
                                                              • Program crash
                                                              • Suspicious use of AdjustPrivilegeToken
                                                              PID:2608

                                                      Network

                                                      MITRE ATT&CK Enterprise v15

                                                      Replay Monitor

                                                      Loading Replay Monitor...

                                                      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

                                                        601KB

                                                        MD5

                                                        5d4fc1071bc2117d735b30da232e23ab

                                                        SHA1

                                                        9ac618f9c3a6e41b63aebd852fd14e33702f1172

                                                        SHA256

                                                        4e0bba3bf81874ab119d3cca5c8ed24bdbac800f1342fc08ba0ae007cf110735

                                                        SHA512

                                                        b438084ad6203f80c393f21ce84ce49e95f9480c39428c7210d26d3cb30c88192a813014edfb5217601a4fa18f07a304bd6cfdbe5771f883af175bdbc1372ce5

                                                      • 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

                                                        597KB

                                                        MD5

                                                        723581ca7ad233117f36f1a1b26251e7

                                                        SHA1

                                                        0015515de0e3117c8a319719dbcfec253006cfc6

                                                        SHA256

                                                        cb5cfbbffaddda64692fa8a460e8efaafbc5716d286c9d5908f195064236a189

                                                        SHA512

                                                        398021fcb0345161b70d06fc6eebb44e5cc6a3543f4386c2936fd040663b4cb41f39153c3f551bebb43aac75c254abae509c2449ac7ea7708a3e09043447315b

                                                      • C:\Windows\SysWOW64\rundll32mgr.exe

                                                        Filesize

                                                        293KB

                                                        MD5

                                                        b913d0bea98b4e215fc9c9c0fb4bd351

                                                        SHA1

                                                        bc6a89a2895bff53c0e80ef390ffaf022e38dc86

                                                        SHA256

                                                        9621bb5921c596eb5246df3b5d59d3be598b4ef2d92dbf19a25c8f66cee9f2f9

                                                        SHA512

                                                        3739ab8eeeea6d3759fa519e0c095b357e7044551a0e743cbf63b70e991bd9c52d4c6bd322cb6126d014ac85e07b081ef57591935b3225c9a30db0f3866f275b

                                                      • memory/1700-83-0x0000000020010000-0x000000002001B000-memory.dmp

                                                        Filesize

                                                        44KB

                                                      • memory/1700-89-0x0000000020010000-0x000000002001B000-memory.dmp

                                                        Filesize

                                                        44KB

                                                      • memory/1700-90-0x0000000020010000-0x000000002001B000-memory.dmp

                                                        Filesize

                                                        44KB

                                                      • memory/1700-91-0x0000000000240000-0x0000000000241000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/1700-92-0x0000000020010000-0x000000002001B000-memory.dmp

                                                        Filesize

                                                        44KB

                                                      • memory/1700-93-0x0000000076F40000-0x0000000076F41000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/1700-73-0x0000000020010000-0x000000002001B000-memory.dmp

                                                        Filesize

                                                        44KB

                                                      • memory/1700-88-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/1700-87-0x0000000020010000-0x000000002001B000-memory.dmp

                                                        Filesize

                                                        44KB

                                                      • memory/2708-62-0x0000000076F3F000-0x0000000076F40000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/2708-71-0x0000000000060000-0x0000000000061000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/2708-657-0x0000000000400000-0x0000000000421000-memory.dmp

                                                        Filesize

                                                        132KB

                                                      • memory/2708-36-0x0000000000050000-0x0000000000051000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/2708-35-0x0000000000400000-0x0000000000421000-memory.dmp

                                                        Filesize

                                                        132KB

                                                      • memory/2708-59-0x0000000000400000-0x0000000000454000-memory.dmp

                                                        Filesize

                                                        336KB

                                                      • memory/2708-400-0x0000000076F3F000-0x0000000076F40000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/2708-60-0x00000000001C0000-0x00000000001C1000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/2708-61-0x0000000000400000-0x0000000000421000-memory.dmp

                                                        Filesize

                                                        132KB

                                                      • memory/2708-399-0x0000000000400000-0x0000000000421000-memory.dmp

                                                        Filesize

                                                        132KB

                                                      • memory/2844-13-0x0000000000400000-0x0000000000421000-memory.dmp

                                                        Filesize

                                                        132KB

                                                      • memory/2844-9-0x0000000000400000-0x0000000000421000-memory.dmp

                                                        Filesize

                                                        132KB

                                                      • memory/2844-25-0x0000000000416000-0x0000000000420000-memory.dmp

                                                        Filesize

                                                        40KB

                                                      • memory/2844-11-0x0000000000400000-0x0000000000421000-memory.dmp

                                                        Filesize

                                                        132KB

                                                      • memory/2844-12-0x0000000000400000-0x0000000000421000-memory.dmp

                                                        Filesize

                                                        132KB

                                                      • memory/2844-26-0x0000000000401000-0x0000000000416000-memory.dmp

                                                        Filesize

                                                        84KB

                                                      • memory/2844-14-0x0000000000400000-0x0000000000421000-memory.dmp

                                                        Filesize

                                                        132KB

                                                      • memory/2844-17-0x0000000000400000-0x0000000000421000-memory.dmp

                                                        Filesize

                                                        132KB

                                                      • memory/2844-10-0x0000000000400000-0x0000000000421000-memory.dmp

                                                        Filesize

                                                        132KB

                                                      • memory/2940-1-0x0000000010000000-0x00000000100E2000-memory.dmp

                                                        Filesize

                                                        904KB

                                                      • memory/2940-404-0x0000000010000000-0x00000000100E2000-memory.dmp

                                                        Filesize

                                                        904KB

                                                      • memory/2940-67-0x0000000010000000-0x00000000100E2000-memory.dmp

                                                        Filesize

                                                        904KB

                                                      • memory/2940-68-0x0000000000380000-0x00000000003D4000-memory.dmp

                                                        Filesize

                                                        336KB

                                                      • memory/3012-47-0x0000000020010000-0x0000000020022000-memory.dmp

                                                        Filesize

                                                        72KB

                                                      • memory/3012-63-0x00000000000B0000-0x00000000000B1000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/3012-64-0x0000000000090000-0x0000000000091000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/3012-65-0x00000000000A0000-0x00000000000A1000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/3012-401-0x0000000020010000-0x0000000020022000-memory.dmp

                                                        Filesize

                                                        72KB

                                                      • memory/3012-66-0x0000000020010000-0x0000000020022000-memory.dmp

                                                        Filesize

                                                        72KB

                                                      • memory/3012-52-0x0000000020010000-0x0000000020022000-memory.dmp

                                                        Filesize

                                                        72KB

                                                      • memory/3012-56-0x0000000020010000-0x0000000020022000-memory.dmp

                                                        Filesize

                                                        72KB

                                                      • memory/3012-38-0x0000000020010000-0x0000000020022000-memory.dmp

                                                        Filesize

                                                        72KB

                                                      • memory/3012-40-0x0000000000090000-0x0000000000091000-memory.dmp

                                                        Filesize

                                                        4KB