Analysis

  • max time kernel
    120s
  • max time network
    90s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    22-12-2024 00:22

General

  • Target

    39fa8429c96a67df3a2f354a9c17142cc84f86ae60867fd4f586a28ea4d411b0N.dll

  • Size

    348KB

  • MD5

    fffd364caad60b9d1bb874a060502da0

  • SHA1

    68df745f2eb0cd8f9efabaa56bb88bca47093d45

  • SHA256

    39fa8429c96a67df3a2f354a9c17142cc84f86ae60867fd4f586a28ea4d411b0

  • SHA512

    3b3411411c8ae43d3ef4107ea0dd9c2d3822b236b4f12f05560bba9ed3f6b058e43c718a202771b88af59e8736b19cccde8803a62f53cf6e57547b1ac490406a

  • SSDEEP

    3072:e2UxPvVKNiNz1a2JRC+Tq/KcULyqI4C0qI4hsr1hBb4hRxv:FGvQ4Nx9RHTVNLybAqIcmT8v

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Ramnit

    Ramnit is a versatile family that holds viruses, worms, and Trojans.

  • Ramnit family
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 4 IoCs
  • Drops file in System32 directory 3 IoCs
  • UPX packed file 10 IoCs

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

  • Drops file in Program Files directory 64 IoCs
  • 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 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:608
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    4⤵
                      PID:1140
                    • C:\Windows\system32\wbem\wmiprvse.exe
                      C:\Windows\system32\wbem\wmiprvse.exe
                      4⤵
                        PID:1588
                      • C:\Windows\system32\wbem\wmiprvse.exe
                        C:\Windows\system32\wbem\wmiprvse.exe -Embedding
                        4⤵
                          PID:892
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k RPCSS
                        3⤵
                          PID:688
                        • C:\Windows\System32\svchost.exe
                          C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
                          3⤵
                            PID:772
                          • C:\Windows\System32\svchost.exe
                            C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
                            3⤵
                              PID:824
                              • C:\Windows\system32\Dwm.exe
                                "C:\Windows\system32\Dwm.exe"
                                4⤵
                                  PID:1176
                              • C:\Windows\system32\svchost.exe
                                C:\Windows\system32\svchost.exe -k netsvcs
                                3⤵
                                  PID:864
                                • C:\Windows\system32\svchost.exe
                                  C:\Windows\system32\svchost.exe -k LocalService
                                  3⤵
                                    PID:984
                                  • 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:924
                                      • C:\Windows\system32\svchost.exe
                                        C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
                                        3⤵
                                          PID:1088
                                        • C:\Windows\system32\taskhost.exe
                                          "taskhost.exe"
                                          3⤵
                                            PID:1124
                                          • C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE
                                            "C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE"
                                            3⤵
                                              PID:1520
                                            • C:\Windows\system32\svchost.exe
                                              C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
                                              3⤵
                                                PID:1552
                                              • C:\Windows\system32\sppsvc.exe
                                                C:\Windows\system32\sppsvc.exe
                                                3⤵
                                                  PID:1500
                                              • 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:388
                                                  • C:\Windows\system32\winlogon.exe
                                                    winlogon.exe
                                                    1⤵
                                                      PID:428
                                                    • C:\Windows\Explorer.EXE
                                                      C:\Windows\Explorer.EXE
                                                      1⤵
                                                        PID:1212
                                                        • C:\Windows\system32\rundll32.exe
                                                          rundll32.exe C:\Users\Admin\AppData\Local\Temp\39fa8429c96a67df3a2f354a9c17142cc84f86ae60867fd4f586a28ea4d411b0N.dll,#1
                                                          2⤵
                                                          • Suspicious use of WriteProcessMemory
                                                          PID:2344
                                                          • C:\Windows\SysWOW64\rundll32.exe
                                                            rundll32.exe C:\Users\Admin\AppData\Local\Temp\39fa8429c96a67df3a2f354a9c17142cc84f86ae60867fd4f586a28ea4d411b0N.dll,#1
                                                            3⤵
                                                            • Loads dropped DLL
                                                            • Drops file in System32 directory
                                                            • System Location Discovery: System Language Discovery
                                                            • Suspicious use of WriteProcessMemory
                                                            PID:2420
                                                            • 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:2372
                                                              • 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:2720
                                                                • 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:2588
                                                                • 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:2100

                                                      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

                                                        507KB

                                                        MD5

                                                        91dc7f89be2b3677d544458c560d9b0e

                                                        SHA1

                                                        581bbc12b387555ecb743e4db2138080ba90545e

                                                        SHA256

                                                        4f6ec2f9c19553e986b347c1ae206e06c2cafbfff907f989eb8e92a7169a1d4a

                                                        SHA512

                                                        ddb15f5895a5fdcbf8c689579499a568291fdcded56b17494e4709ca14fb776dfd18ada98376e718520ed53d3ceb98ca3fdf91242910c0c025cbb4270f756908

                                                      • 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

                                                        503KB

                                                        MD5

                                                        e68102ece691ee2398d368286258cc5e

                                                        SHA1

                                                        92a55f1e469e8d4814f568e7b079c48f1379e593

                                                        SHA256

                                                        1f778311d66448bded178b25004c979f498f754b99c8fcd2274afaa5254d7e00

                                                        SHA512

                                                        48c0b4e2f7dcb70afd07b188f8bdb07665fdb1293e057f4342519287d6763047a1ee376bf0c7a827bd1139a8ed881b15446b71b5b5bda3443db3fe6fde602502

                                                      • \Windows\SysWOW64\rundll32mgr.exe

                                                        Filesize

                                                        247KB

                                                        MD5

                                                        bb0ce6d96fef4beabd43ece95d6a00a8

                                                        SHA1

                                                        465279b83362b977ec37f4f0d4229b8a0de213ae

                                                        SHA256

                                                        32612b60c987da1f50e8eb06426e492fb649d1d4de5f15335a70b1718a364e89

                                                        SHA512

                                                        c2b96fec8c24e3ffbc1e1d5f812a7e8d2673a322411fc7b9dee2f3a602eb9da798fa2c3b5e84c9c0df23bf6c41516cb28cbd067162ede502dbd8e2b1055b4447

                                                      • memory/2100-73-0x0000000020010000-0x000000002001B000-memory.dmp

                                                        Filesize

                                                        44KB

                                                      • memory/2100-86-0x00000000003A0000-0x00000000003A1000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/2100-88-0x0000000020010000-0x000000002001B000-memory.dmp

                                                        Filesize

                                                        44KB

                                                      • memory/2100-89-0x00000000003F0000-0x00000000003F1000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/2100-91-0x0000000077380000-0x0000000077381000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/2100-90-0x0000000020010000-0x000000002001B000-memory.dmp

                                                        Filesize

                                                        44KB

                                                      • memory/2100-87-0x0000000020010000-0x000000002001B000-memory.dmp

                                                        Filesize

                                                        44KB

                                                      • memory/2100-84-0x0000000020010000-0x000000002001B000-memory.dmp

                                                        Filesize

                                                        44KB

                                                      • memory/2100-80-0x0000000020010000-0x000000002001B000-memory.dmp

                                                        Filesize

                                                        44KB

                                                      • memory/2372-18-0x0000000000140000-0x0000000000141000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/2372-16-0x0000000000400000-0x0000000000421000-memory.dmp

                                                        Filesize

                                                        132KB

                                                      • memory/2372-14-0x0000000000400000-0x0000000000437000-memory.dmp

                                                        Filesize

                                                        220KB

                                                      • memory/2372-17-0x0000000000400000-0x0000000000421000-memory.dmp

                                                        Filesize

                                                        132KB

                                                      • memory/2372-24-0x0000000000400000-0x0000000000421000-memory.dmp

                                                        Filesize

                                                        132KB

                                                      • memory/2372-15-0x0000000000400000-0x0000000000421000-memory.dmp

                                                        Filesize

                                                        132KB

                                                      • memory/2372-28-0x0000000000050000-0x0000000000087000-memory.dmp

                                                        Filesize

                                                        220KB

                                                      • memory/2372-22-0x0000000000400000-0x0000000000421000-memory.dmp

                                                        Filesize

                                                        132KB

                                                      • memory/2372-21-0x0000000000400000-0x0000000000421000-memory.dmp

                                                        Filesize

                                                        132KB

                                                      • memory/2372-19-0x0000000000400000-0x0000000000421000-memory.dmp

                                                        Filesize

                                                        132KB

                                                      • memory/2420-1-0x000000006D280000-0x000000006D2D7000-memory.dmp

                                                        Filesize

                                                        348KB

                                                      • memory/2420-0-0x000000006D280000-0x000000006D2D7000-memory.dmp

                                                        Filesize

                                                        348KB

                                                      • memory/2420-12-0x0000000000400000-0x0000000000437000-memory.dmp

                                                        Filesize

                                                        220KB

                                                      • memory/2420-2-0x000000006D280000-0x000000006D2D7000-memory.dmp

                                                        Filesize

                                                        348KB

                                                      • memory/2420-4-0x000000006D280000-0x000000006D2D7000-memory.dmp

                                                        Filesize

                                                        348KB

                                                      • memory/2420-7-0x0000000000400000-0x0000000000437000-memory.dmp

                                                        Filesize

                                                        220KB

                                                      • memory/2588-67-0x0000000020010000-0x0000000020022000-memory.dmp

                                                        Filesize

                                                        72KB

                                                      • memory/2588-47-0x0000000020010000-0x0000000020022000-memory.dmp

                                                        Filesize

                                                        72KB

                                                      • memory/2588-49-0x0000000000080000-0x0000000000081000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/2588-64-0x0000000000080000-0x0000000000081000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/2588-59-0x0000000020010000-0x0000000020022000-memory.dmp

                                                        Filesize

                                                        72KB

                                                      • memory/2588-63-0x0000000000120000-0x0000000000121000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/2588-347-0x0000000020010000-0x0000000020022000-memory.dmp

                                                        Filesize

                                                        72KB

                                                      • memory/2588-54-0x0000000020010000-0x0000000020022000-memory.dmp

                                                        Filesize

                                                        72KB

                                                      • memory/2588-65-0x00000000000D0000-0x00000000000D1000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/2720-42-0x0000000000400000-0x0000000000421000-memory.dmp

                                                        Filesize

                                                        132KB

                                                      • memory/2720-71-0x0000000000060000-0x0000000000061000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/2720-344-0x000000007737F000-0x0000000077380000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/2720-45-0x000000007737F000-0x0000000077380000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/2720-600-0x0000000000400000-0x0000000000421000-memory.dmp

                                                        Filesize

                                                        132KB

                                                      • memory/2720-44-0x0000000000050000-0x0000000000051000-memory.dmp

                                                        Filesize

                                                        4KB

                                                      • memory/2720-85-0x0000000000400000-0x0000000000421000-memory.dmp

                                                        Filesize

                                                        132KB