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
    17-12-2024 20:13

General

  • Target

    5027df46859a1c5b41d759c9cf10584a5356872700b891e9ddd820511591d844.exe

  • Size

    92KB

  • MD5

    e27c87aed3b3ff74fb72ce552af7965e

  • SHA1

    245fb72a87da6551cacc7503f7a95e72a1e1f3d8

  • SHA256

    5027df46859a1c5b41d759c9cf10584a5356872700b891e9ddd820511591d844

  • SHA512

    79a1b783197d1b955c9df5ae5f7d74173b267de57d97ffd2532bdb44944859c4fdcaf674add606f8b26ea99a60b13ea84aa237fa6689f150b75ca45ce59f1b09

  • SSDEEP

    1536:XVZnxm6MG9xgfrvEaoiT/GyphjXDYjKwttoswRmhApEd:/nxwgxgfR/DVG7wBpEd

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 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Drops file in System32 directory 2 IoCs
  • UPX packed file 13 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 4 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 3 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:472
              • C:\Windows\system32\svchost.exe
                C:\Windows\system32\svchost.exe -k DcomLaunch
                3⤵
                  PID:588
                  • C:\Windows\system32\wbem\wmiprvse.exe
                    C:\Windows\system32\wbem\wmiprvse.exe
                    4⤵
                      PID:1628
                    • C:\Windows\system32\DllHost.exe
                      C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                      4⤵
                        PID:1704
                      • C:\Windows\system32\wbem\wmiprvse.exe
                        C:\Windows\system32\wbem\wmiprvse.exe -Embedding
                        4⤵
                          PID:2168
                      • 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:812
                              • C:\Windows\system32\Dwm.exe
                                "C:\Windows\system32\Dwm.exe"
                                4⤵
                                  PID:1156
                              • C:\Windows\system32\svchost.exe
                                C:\Windows\system32\svchost.exe -k netsvcs
                                3⤵
                                  PID:848
                                • C:\Windows\system32\svchost.exe
                                  C:\Windows\system32\svchost.exe -k LocalService
                                  3⤵
                                    PID:960
                                  • C:\Windows\system32\svchost.exe
                                    C:\Windows\system32\svchost.exe -k NetworkService
                                    3⤵
                                      PID:276
                                    • C:\Windows\System32\spoolsv.exe
                                      C:\Windows\System32\spoolsv.exe
                                      3⤵
                                        PID:1004
                                      • C:\Windows\system32\svchost.exe
                                        C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
                                        3⤵
                                          PID:1060
                                        • 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:856
                                            • C:\Windows\system32\svchost.exe
                                              C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
                                              3⤵
                                                PID:1300
                                              • C:\Windows\system32\sppsvc.exe
                                                C:\Windows\system32\sppsvc.exe
                                                3⤵
                                                  PID:2908
                                              • 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:428
                                                    • C:\Windows\Explorer.EXE
                                                      C:\Windows\Explorer.EXE
                                                      1⤵
                                                        PID:1224
                                                        • C:\Users\Admin\AppData\Local\Temp\5027df46859a1c5b41d759c9cf10584a5356872700b891e9ddd820511591d844.exe
                                                          "C:\Users\Admin\AppData\Local\Temp\5027df46859a1c5b41d759c9cf10584a5356872700b891e9ddd820511591d844.exe"
                                                          2⤵
                                                          • Loads dropped DLL
                                                          • Drops file in Program Files directory
                                                          • System Location Discovery: System Language Discovery
                                                          • Suspicious use of UnmapMainImage
                                                          • Suspicious use of WriteProcessMemory
                                                          PID:2628
                                                          • C:\Program Files (x86)\Microsoft\WaterMark.exe
                                                            "C:\Program Files (x86)\Microsoft\WaterMark.exe"
                                                            3⤵
                                                            • 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:2056
                                                            • 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
                                                              • System Location Discovery: System Language Discovery
                                                              PID:2820
                                                            • C:\Windows\SysWOW64\svchost.exe
                                                              C:\Windows\system32\svchost.exe
                                                              4⤵
                                                              • System Location Discovery: System Language Discovery
                                                              • Suspicious behavior: EnumeratesProcesses
                                                              • Suspicious use of AdjustPrivilegeToken
                                                              • Suspicious use of WriteProcessMemory
                                                              PID:1724

                                                      Network

                                                      MITRE ATT&CK Enterprise v15

                                                      Replay Monitor

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                                                      Downloads

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

                                                        Filesize

                                                        92KB

                                                        MD5

                                                        e27c87aed3b3ff74fb72ce552af7965e

                                                        SHA1

                                                        245fb72a87da6551cacc7503f7a95e72a1e1f3d8

                                                        SHA256

                                                        5027df46859a1c5b41d759c9cf10584a5356872700b891e9ddd820511591d844

                                                        SHA512

                                                        79a1b783197d1b955c9df5ae5f7d74173b267de57d97ffd2532bdb44944859c4fdcaf674add606f8b26ea99a60b13ea84aa237fa6689f150b75ca45ce59f1b09

                                                      • 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

                                                        197KB

                                                        MD5

                                                        a3f40d9579efae3e2cd0b456b1b1b238

                                                        SHA1

                                                        a06652e2f03ce23d1ba3f4219e4ed1b73ff1ab83

                                                        SHA256

                                                        2f231f7d66ae58919339c753952a32f131ff6f22aeee8ff30baeff5790a637f0

                                                        SHA512

                                                        4ff2859bb21a0520c41176a1ead806de2a276b1233589b2f89fd63a258cded463381c2f0f520b86ad6d91a122615a7bbdbaf07d4262fd9acf3746422a5e132d0

                                                      • 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

                                                        193KB

                                                        MD5

                                                        7d4f8b35fe1d3aac3b3b1d5aa8535c47

                                                        SHA1

                                                        c2e084b37cdd9601e5f19755bc84edaf8b38ca15

                                                        SHA256

                                                        e60c0babc1d0a3301caa96f6725f89f7290941e6d1758cf81af49ec34626ea28

                                                        SHA512

                                                        3dd7e1f1977d967951be7cd08ab206030fff514977fcd5d9fbe724e55241ed8f2f3eedae7f0628868fe49298e2f6c0b6ddb960535189c8ba62c284c45bac5f43

                                                      • memory/1724-79-0x00000000001A0000-0x00000000001A1000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/1724-80-0x0000000020010000-0x000000002001B000-memory.dmp

                                                        Filesize

                                                        44KB

                                                      • memory/1724-83-0x0000000000270000-0x0000000000271000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/1724-84-0x0000000020010000-0x000000002001B000-memory.dmp

                                                        Filesize

                                                        44KB

                                                      • memory/1724-81-0x0000000077BF0000-0x0000000077BF1000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/1724-82-0x0000000020010000-0x000000002001B000-memory.dmp

                                                        Filesize

                                                        44KB

                                                      • memory/1724-63-0x0000000020010000-0x000000002001B000-memory.dmp

                                                        Filesize

                                                        44KB

                                                      • memory/1724-73-0x0000000020010000-0x000000002001B000-memory.dmp

                                                        Filesize

                                                        44KB

                                                      • memory/1724-78-0x0000000020010000-0x000000002001B000-memory.dmp

                                                        Filesize

                                                        44KB

                                                      • memory/2056-26-0x0000000000400000-0x0000000000421000-memory.dmp

                                                        Filesize

                                                        132KB

                                                      • memory/2056-30-0x0000000000050000-0x0000000000051000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/2056-31-0x0000000077BEF000-0x0000000077BF0000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/2056-29-0x0000000000400000-0x0000000000421000-memory.dmp

                                                        Filesize

                                                        132KB

                                                      • memory/2056-32-0x0000000020010000-0x0000000020022000-memory.dmp

                                                        Filesize

                                                        72KB

                                                      • memory/2056-28-0x0000000000400000-0x0000000000421000-memory.dmp

                                                        Filesize

                                                        132KB

                                                      • memory/2056-61-0x0000000000400000-0x0000000000421000-memory.dmp

                                                        Filesize

                                                        132KB

                                                      • memory/2056-74-0x0000000077BEF000-0x0000000077BF0000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/2056-72-0x0000000000400000-0x0000000000421000-memory.dmp

                                                        Filesize

                                                        132KB

                                                      • memory/2056-595-0x0000000000400000-0x0000000000421000-memory.dmp

                                                        Filesize

                                                        132KB

                                                      • memory/2056-60-0x0000000000060000-0x0000000000061000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/2628-4-0x0000000000400000-0x0000000000421000-memory.dmp

                                                        Filesize

                                                        132KB

                                                      • memory/2628-0-0x0000000000400000-0x0000000000431000-memory.dmp

                                                        Filesize

                                                        196KB

                                                      • memory/2628-2-0x0000000000140000-0x0000000000141000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/2628-5-0x0000000000400000-0x0000000000421000-memory.dmp

                                                        Filesize

                                                        132KB

                                                      • memory/2628-3-0x0000000000400000-0x0000000000421000-memory.dmp

                                                        Filesize

                                                        132KB

                                                      • memory/2628-9-0x0000000000400000-0x0000000000421000-memory.dmp

                                                        Filesize

                                                        132KB

                                                      • memory/2628-7-0x0000000000400000-0x0000000000421000-memory.dmp

                                                        Filesize

                                                        132KB

                                                      • memory/2628-6-0x0000000000400000-0x0000000000421000-memory.dmp

                                                        Filesize

                                                        132KB

                                                      • memory/2628-1-0x0000000000400000-0x0000000000421000-memory.dmp

                                                        Filesize

                                                        132KB

                                                      • memory/2628-13-0x0000000000050000-0x0000000000081000-memory.dmp

                                                        Filesize

                                                        196KB

                                                      • memory/2820-44-0x0000000020010000-0x0000000020022000-memory.dmp

                                                        Filesize

                                                        72KB

                                                      • memory/2820-33-0x0000000020010000-0x0000000020022000-memory.dmp

                                                        Filesize

                                                        72KB

                                                      • memory/2820-35-0x0000000000080000-0x0000000000081000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/2820-42-0x00000000000A0000-0x00000000000A1000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/2820-43-0x0000000000080000-0x0000000000081000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/2820-51-0x0000000020010000-0x0000000020022000-memory.dmp

                                                        Filesize

                                                        72KB

                                                      • memory/2820-342-0x0000000020010000-0x0000000020022000-memory.dmp

                                                        Filesize

                                                        72KB

                                                      • memory/2820-49-0x0000000020010000-0x0000000020022000-memory.dmp

                                                        Filesize

                                                        72KB

                                                      • memory/2820-48-0x0000000000090000-0x0000000000091000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/2820-55-0x0000000020010000-0x0000000020022000-memory.dmp

                                                        Filesize

                                                        72KB