Analysis

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

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    01/01/2024, 14:02

General

  • Target

    3d0a7935310b1fde5b39d9e7a7e5652d.exe

  • Size

    68KB

  • MD5

    3d0a7935310b1fde5b39d9e7a7e5652d

  • SHA1

    8fdc9d8799b9fca3ed5f2d5d3cf9b0ec7464202f

  • SHA256

    8aa9ab89716f8003ca999456a7784b51f1242273c0faa80cb2e777cd31fc0c91

  • SHA512

    2d5bd67c19c462bc22d2092fe3bf9c45969092e0d41f5bb61fb6e587946bc5537d302926f7f979649cf43e06cc13498dbfaa98f2dc283157172a846cddd8a33d

  • SSDEEP

    1536:v8kwilTEhU4HDa1KkjWXUa21mc/Mue9KOq:3hlohUEK9ekpgq

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 1 IoCs
  • Loads dropped DLL 2 IoCs
  • UPX packed file 5 IoCs

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

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

Processes

  • 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\wininit.exe
      wininit.exe
      1⤵
        PID:372
        • C:\Windows\system32\lsass.exe
          C:\Windows\system32\lsass.exe
          2⤵
            PID:484
          • C:\Windows\system32\services.exe
            C:\Windows\system32\services.exe
            2⤵
              PID:468
              • C:\Windows\system32\svchost.exe
                C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
                3⤵
                  PID:620
                • C:\Windows\System32\spoolsv.exe
                  C:\Windows\System32\spoolsv.exe
                  3⤵
                    PID:108
                  • C:\Windows\system32\taskhost.exe
                    "taskhost.exe"
                    3⤵
                      PID:1256
                    • C:\Windows\system32\svchost.exe
                      C:\Windows\system32\svchost.exe -k NetworkService
                      3⤵
                        PID:300
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k LocalService
                        3⤵
                          PID:992
                        • C:\Windows\system32\svchost.exe
                          C:\Windows\system32\svchost.exe -k netsvcs
                          3⤵
                            PID:832
                            • C:\Windows\system32\wbem\WMIADAP.EXE
                              wmiadap.exe /F /T /R
                              4⤵
                                PID:2288
                            • C:\Windows\System32\svchost.exe
                              C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
                              3⤵
                                PID:804
                              • C:\Windows\System32\svchost.exe
                                C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
                                3⤵
                                  PID:740
                                • C:\Windows\system32\svchost.exe
                                  C:\Windows\system32\svchost.exe -k RPCSS
                                  3⤵
                                    PID:680
                                  • C:\Windows\system32\svchost.exe
                                    C:\Windows\system32\svchost.exe -k DcomLaunch
                                    3⤵
                                      PID:604
                                      • C:\Windows\system32\DllHost.exe
                                        C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                                        4⤵
                                          PID:2520
                                        • C:\Windows\system32\wbem\wmiprvse.exe
                                          C:\Windows\system32\wbem\wmiprvse.exe -Embedding
                                          4⤵
                                            PID:2076
                                        • C:\Windows\system32\sppsvc.exe
                                          C:\Windows\system32\sppsvc.exe
                                          3⤵
                                            PID:2472
                                          • C:\Windows\system32\svchost.exe
                                            C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
                                            3⤵
                                              PID:2148
                                          • 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:336
                                            • C:\Windows\System32\smss.exe
                                              \SystemRoot\System32\smss.exe
                                              1⤵
                                                PID:260
                                              • C:\Windows\system32\winlogon.exe
                                                winlogon.exe
                                                1⤵
                                                  PID:424
                                                • C:\Windows\Explorer.EXE
                                                  C:\Windows\Explorer.EXE
                                                  1⤵
                                                    PID:1404
                                                    • C:\Users\Admin\AppData\Local\Temp\3d0a7935310b1fde5b39d9e7a7e5652d.exe
                                                      "C:\Users\Admin\AppData\Local\Temp\3d0a7935310b1fde5b39d9e7a7e5652d.exe"
                                                      2⤵
                                                      • Loads dropped DLL
                                                      • Suspicious use of WriteProcessMemory
                                                      PID:2004
                                                      • C:\Program Files (x86)\Microsoft\WaterMark.exe
                                                        "C:\Program Files (x86)\Microsoft\WaterMark.exe"
                                                        3⤵
                                                        • Executes dropped EXE
                                                        • Suspicious behavior: EnumeratesProcesses
                                                        • Suspicious use of AdjustPrivilegeToken
                                                        • Suspicious use of WriteProcessMemory
                                                        PID:2008
                                                        • C:\Windows\SysWOW64\svchost.exe
                                                          C:\Windows\system32\svchost.exe
                                                          4⤵
                                                          • Modifies WinLogon for persistence
                                                          • Drops file in System32 directory
                                                          • Drops file in Program Files directory
                                                          PID:2716
                                                        • C:\Windows\SysWOW64\svchost.exe
                                                          C:\Windows\system32\svchost.exe
                                                          4⤵
                                                          • Suspicious behavior: EnumeratesProcesses
                                                          • Suspicious use of AdjustPrivilegeToken
                                                          • Suspicious use of WriteProcessMemory
                                                          PID:2120
                                                  • C:\Windows\system32\Dwm.exe
                                                    "C:\Windows\system32\Dwm.exe"
                                                    1⤵
                                                      PID:1340

                                                    Network

                                                          MITRE ATT&CK Enterprise v15

                                                          Replay Monitor

                                                          Loading Replay Monitor...

                                                          Downloads

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

                                                            Filesize

                                                            68KB

                                                            MD5

                                                            3d0a7935310b1fde5b39d9e7a7e5652d

                                                            SHA1

                                                            8fdc9d8799b9fca3ed5f2d5d3cf9b0ec7464202f

                                                            SHA256

                                                            8aa9ab89716f8003ca999456a7784b51f1242273c0faa80cb2e777cd31fc0c91

                                                            SHA512

                                                            2d5bd67c19c462bc22d2092fe3bf9c45969092e0d41f5bb61fb6e587946bc5537d302926f7f979649cf43e06cc13498dbfaa98f2dc283157172a846cddd8a33d

                                                          • C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.ecf.core.ssl.feature_1.0.0.v20140827-1444\epl-v10.html

                                                            Filesize

                                                            149KB

                                                            MD5

                                                            f8b6cb873436f54388642f031b3cfe2a

                                                            SHA1

                                                            9d00ed885ab9841f2490cba8325b4c7d8cac10d9

                                                            SHA256

                                                            4d5a62811baf5b386d5fc7472e22b5a3e402911bad56d381881d989a03e4e387

                                                            SHA512

                                                            bcd986e2b4864953c6c68472b333f7e986a5186c2c36ca0741df35800b3bc648b9206dbe8f51ac7687a94364d75d77d10af62c50e909aa2d0c9c4f3b11d26129

                                                          • C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.ecf.core.ssl.feature_1.0.0.v20140827-1444\license.html

                                                            Filesize

                                                            145KB

                                                            MD5

                                                            9179e8c0bf430e72bcac87f269b6655f

                                                            SHA1

                                                            dece63480ac6045f8d8a20bbfc13bdc099a7bc14

                                                            SHA256

                                                            bfa457cf36c79275d27249648e2d4249e87c0d797f844a1936bbad23221b00ab

                                                            SHA512

                                                            5c5064e9058c8be1abb39ab27fc8a26a16e0d2052b14c8b96b3ae6780f464557457bd6d0289c6586d89d4744d9f5fbe2b3cfec6c35e2ea5dc4ded97821211f5f

                                                          • memory/2004-3-0x00000000001B0000-0x00000000001D1000-memory.dmp

                                                            Filesize

                                                            132KB

                                                          • memory/2004-0-0x0000000000400000-0x0000000000421000-memory.dmp

                                                            Filesize

                                                            132KB

                                                          • memory/2004-1-0x0000000000400000-0x0000000000421000-memory.dmp

                                                            Filesize

                                                            132KB

                                                          • memory/2008-13-0x0000000000400000-0x0000000000421000-memory.dmp

                                                            Filesize

                                                            132KB

                                                          • memory/2008-16-0x00000000003C0000-0x00000000003E1000-memory.dmp

                                                            Filesize

                                                            132KB

                                                          • memory/2008-17-0x0000000077C9F000-0x0000000077CA0000-memory.dmp

                                                            Filesize

                                                            4KB

                                                          • memory/2008-43-0x00000000003F0000-0x00000000003F1000-memory.dmp

                                                            Filesize

                                                            4KB

                                                          • memory/2008-15-0x0000000000400000-0x0000000000421000-memory.dmp

                                                            Filesize

                                                            132KB

                                                          • memory/2008-410-0x0000000000400000-0x0000000000421000-memory.dmp

                                                            Filesize

                                                            132KB

                                                          • memory/2008-254-0x0000000077C9F000-0x0000000077CA0000-memory.dmp

                                                            Filesize

                                                            4KB

                                                          • memory/2008-251-0x0000000077CA0000-0x0000000077CA1000-memory.dmp

                                                            Filesize

                                                            4KB

                                                          • memory/2008-249-0x00000000003F0000-0x00000000003F1000-memory.dmp

                                                            Filesize

                                                            4KB

                                                          • memory/2008-248-0x00000000005E0000-0x00000000005E1000-memory.dmp

                                                            Filesize

                                                            4KB

                                                          • memory/2008-246-0x0000000000400000-0x0000000000421000-memory.dmp

                                                            Filesize

                                                            132KB

                                                          • memory/2008-14-0x0000000000240000-0x0000000000241000-memory.dmp

                                                            Filesize

                                                            4KB

                                                          • memory/2120-58-0x0000000020010000-0x000000002001B000-memory.dmp

                                                            Filesize

                                                            44KB

                                                          • memory/2120-45-0x0000000020010000-0x000000002001B000-memory.dmp

                                                            Filesize

                                                            44KB

                                                          • memory/2120-51-0x0000000020010000-0x000000002001B000-memory.dmp

                                                            Filesize

                                                            44KB

                                                          • memory/2120-55-0x0000000020010000-0x000000002001B000-memory.dmp

                                                            Filesize

                                                            44KB

                                                          • memory/2120-56-0x0000000000190000-0x0000000000191000-memory.dmp

                                                            Filesize

                                                            4KB

                                                          • memory/2120-57-0x0000000020010000-0x000000002001B000-memory.dmp

                                                            Filesize

                                                            44KB

                                                          • memory/2120-59-0x0000000077CA0000-0x0000000077CA1000-memory.dmp

                                                            Filesize

                                                            4KB

                                                          • memory/2120-61-0x0000000020010000-0x000000002001B000-memory.dmp

                                                            Filesize

                                                            44KB

                                                          • memory/2120-60-0x00000000001A0000-0x00000000001A1000-memory.dmp

                                                            Filesize

                                                            4KB

                                                          • memory/2716-39-0x0000000020010000-0x0000000020022000-memory.dmp

                                                            Filesize

                                                            72KB

                                                          • memory/2716-34-0x0000000020010000-0x0000000020022000-memory.dmp

                                                            Filesize

                                                            72KB

                                                          • memory/2716-32-0x0000000020010000-0x0000000020022000-memory.dmp

                                                            Filesize

                                                            72KB

                                                          • memory/2716-28-0x0000000000090000-0x0000000000091000-memory.dmp

                                                            Filesize

                                                            4KB

                                                          • memory/2716-26-0x0000000000080000-0x0000000000081000-memory.dmp

                                                            Filesize

                                                            4KB

                                                          • memory/2716-27-0x0000000020010000-0x0000000020022000-memory.dmp

                                                            Filesize

                                                            72KB

                                                          • memory/2716-407-0x0000000020010000-0x0000000020022000-memory.dmp

                                                            Filesize

                                                            72KB

                                                          • memory/2716-25-0x00000000000A0000-0x00000000000A1000-memory.dmp

                                                            Filesize

                                                            4KB

                                                          • memory/2716-19-0x0000000020010000-0x0000000020022000-memory.dmp

                                                            Filesize

                                                            72KB

                                                          • memory/2716-21-0x0000000000080000-0x0000000000081000-memory.dmp

                                                            Filesize

                                                            4KB