Analysis

  • max time kernel
    120s
  • max time network
    94s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    17-12-2024 00:41

General

  • Target

    dd6b5d3963456f84c80eca572d10d2aeb998ca278ef030957b30fe53c58e0ea9N.dll

  • Size

    276KB

  • MD5

    f119c0b91b1d94a68611b962c5693940

  • SHA1

    010970f20d53ddcf1ba58c915e43f016e027b457

  • SHA256

    dd6b5d3963456f84c80eca572d10d2aeb998ca278ef030957b30fe53c58e0ea9

  • SHA512

    6e539e19da2c7fb1933b01abc74560ea0a28036192e02b2b493918a70aea2e311e207a9c929257e8d0041415fff511763f13e11973ac15fb346c9f7a6c438a93

  • SSDEEP

    3072:FdcQ2ZNMSQvbajUTUItjT68+xQEVulys593oI8mmwXrPbp:VATSOjUQKculy8uI9fbPV

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 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 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:592
                  • C:\Windows\system32\wbem\wmiprvse.exe
                    C:\Windows\system32\wbem\wmiprvse.exe
                    4⤵
                      PID:1268
                    • C:\Windows\system32\DllHost.exe
                      C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                      4⤵
                        PID:1192
                    • C:\Windows\system32\svchost.exe
                      C:\Windows\system32\svchost.exe -k RPCSS
                      3⤵
                        PID:668
                      • 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:804
                            • C:\Windows\system32\Dwm.exe
                              "C:\Windows\system32\Dwm.exe"
                              4⤵
                                PID:1172
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k netsvcs
                              3⤵
                                PID:832
                              • 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:272
                                  • C:\Windows\System32\spoolsv.exe
                                    C:\Windows\System32\spoolsv.exe
                                    3⤵
                                      PID:300
                                    • C:\Windows\system32\svchost.exe
                                      C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
                                      3⤵
                                        PID:1068
                                      • C:\Windows\system32\taskhost.exe
                                        "taskhost.exe"
                                        3⤵
                                          PID:1116
                                        • C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE
                                          "C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE"
                                          3⤵
                                            PID:2020
                                          • C:\Windows\system32\svchost.exe
                                            C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
                                            3⤵
                                              PID:2284
                                            • C:\Windows\system32\sppsvc.exe
                                              C:\Windows\system32\sppsvc.exe
                                              3⤵
                                                PID:308
                                            • 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:1196
                                                      • C:\Windows\system32\rundll32.exe
                                                        rundll32.exe C:\Users\Admin\AppData\Local\Temp\dd6b5d3963456f84c80eca572d10d2aeb998ca278ef030957b30fe53c58e0ea9N.dll,#1
                                                        2⤵
                                                        • Suspicious use of WriteProcessMemory
                                                        PID:2084
                                                        • C:\Windows\SysWOW64\rundll32.exe
                                                          rundll32.exe C:\Users\Admin\AppData\Local\Temp\dd6b5d3963456f84c80eca572d10d2aeb998ca278ef030957b30fe53c58e0ea9N.dll,#1
                                                          3⤵
                                                          • Loads dropped DLL
                                                          • Drops file in System32 directory
                                                          • System Location Discovery: System Language Discovery
                                                          • Suspicious use of WriteProcessMemory
                                                          PID:2180
                                                          • 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:3064
                                                            • 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:2764
                                                              • 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:2592
                                                              • 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:2072

                                                    Network

                                                    MITRE ATT&CK Enterprise v15

                                                    Replay Monitor

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                                                    Downloads

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

                                                      Filesize

                                                      261KB

                                                      MD5

                                                      44eb9b944a1cf66e0b4fb24366de0489

                                                      SHA1

                                                      2d837f4c8a6a239d7384fc2fa58a258e22364829

                                                      SHA256

                                                      cab81eefe8a871669b794208c9c7e2dc8790ecf8373d8168eb11dc99dcae39fc

                                                      SHA512

                                                      729d05691b92118b08c24a2f8bc7c8d05e6d16af63f0eb99a3fa41c26dc75700e7827342f7f258307b26a9339316679a120033fde9c2b725eaa1653257645e6b

                                                    • 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

                                                      257KB

                                                      MD5

                                                      3c00096aad437fba5c333611e2d5baf8

                                                      SHA1

                                                      060bb22559ca1110c097773b6433118086b09898

                                                      SHA256

                                                      232074579f6cadf0556c361a5333e80590203e313a65ce18328b5fe0a8639db8

                                                      SHA512

                                                      4c9b7645a358070d1faa153dcba3e9b349579c81ecc27196b72ca950824c5e02474980a2e6d8a8cf6c8c7d6c559d9b24dca8bc5dbbd68bda9d74a223aeb2ead3

                                                    • C:\Windows\SysWOW64\rundll32mgr.exe

                                                      Filesize

                                                      124KB

                                                      MD5

                                                      f384ea72b4e3b1342ae772e437a585e9

                                                      SHA1

                                                      e67abce1da81b4f719cf2297d676bb1d69db5224

                                                      SHA256

                                                      aeb89b034661d5bee4aeb61382abd56affce7f6410100f01cdf4c806a7638825

                                                      SHA512

                                                      109b294e44a62453745ec1fc1ae3ffb6cccfb48f909e84a18beb88eab90dc484954808f54c96f292b4c189f38ec02598c08fc7e76d1e537cb40b98f08b2fa536

                                                    • memory/2072-89-0x00000000001E0000-0x00000000001E1000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2072-93-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2072-94-0x0000000020010000-0x000000002001B000-memory.dmp

                                                      Filesize

                                                      44KB

                                                    • memory/2072-87-0x0000000020010000-0x000000002001B000-memory.dmp

                                                      Filesize

                                                      44KB

                                                    • memory/2072-90-0x0000000020010000-0x000000002001B000-memory.dmp

                                                      Filesize

                                                      44KB

                                                    • memory/2072-91-0x0000000020010000-0x000000002001B000-memory.dmp

                                                      Filesize

                                                      44KB

                                                    • memory/2072-92-0x0000000077C50000-0x0000000077C51000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2072-83-0x0000000020010000-0x000000002001B000-memory.dmp

                                                      Filesize

                                                      44KB

                                                    • memory/2072-74-0x0000000020010000-0x000000002001B000-memory.dmp

                                                      Filesize

                                                      44KB

                                                    • memory/2180-9-0x00000000001C0000-0x00000000001E9000-memory.dmp

                                                      Filesize

                                                      164KB

                                                    • memory/2180-10-0x00000000001C0000-0x00000000001E9000-memory.dmp

                                                      Filesize

                                                      164KB

                                                    • memory/2180-0-0x0000000010000000-0x0000000010047000-memory.dmp

                                                      Filesize

                                                      284KB

                                                    • memory/2592-63-0x0000000000080000-0x0000000000081000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2592-62-0x00000000000A0000-0x00000000000A1000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2592-354-0x0000000020010000-0x0000000020022000-memory.dmp

                                                      Filesize

                                                      72KB

                                                    • memory/2592-48-0x0000000000080000-0x0000000000081000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2592-55-0x0000000020010000-0x0000000020022000-memory.dmp

                                                      Filesize

                                                      72KB

                                                    • memory/2592-46-0x0000000020010000-0x0000000020022000-memory.dmp

                                                      Filesize

                                                      72KB

                                                    • memory/2592-64-0x0000000000090000-0x0000000000091000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2592-60-0x0000000020010000-0x0000000020022000-memory.dmp

                                                      Filesize

                                                      72KB

                                                    • memory/2592-68-0x0000000020010000-0x0000000020022000-memory.dmp

                                                      Filesize

                                                      72KB

                                                    • memory/2764-37-0x0000000000400000-0x0000000000429000-memory.dmp

                                                      Filesize

                                                      164KB

                                                    • memory/2764-349-0x0000000077C4F000-0x0000000077C50000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2764-42-0x0000000000400000-0x0000000000421000-memory.dmp

                                                      Filesize

                                                      132KB

                                                    • memory/2764-44-0x0000000077C4F000-0x0000000077C50000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2764-72-0x0000000000060000-0x0000000000061000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2764-607-0x0000000000400000-0x0000000000421000-memory.dmp

                                                      Filesize

                                                      132KB

                                                    • memory/2764-41-0x0000000000400000-0x0000000000421000-memory.dmp

                                                      Filesize

                                                      132KB

                                                    • memory/2764-88-0x0000000000400000-0x0000000000421000-memory.dmp

                                                      Filesize

                                                      132KB

                                                    • memory/2764-43-0x0000000000050000-0x0000000000051000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/3064-13-0x0000000000400000-0x0000000000421000-memory.dmp

                                                      Filesize

                                                      132KB

                                                    • memory/3064-14-0x0000000000400000-0x0000000000421000-memory.dmp

                                                      Filesize

                                                      132KB

                                                    • memory/3064-15-0x0000000000400000-0x0000000000421000-memory.dmp

                                                      Filesize

                                                      132KB

                                                    • memory/3064-16-0x0000000000150000-0x0000000000151000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/3064-17-0x0000000000400000-0x0000000000421000-memory.dmp

                                                      Filesize

                                                      132KB

                                                    • memory/3064-20-0x0000000000400000-0x0000000000421000-memory.dmp

                                                      Filesize

                                                      132KB

                                                    • memory/3064-30-0x0000000000050000-0x0000000000079000-memory.dmp

                                                      Filesize

                                                      164KB

                                                    • memory/3064-12-0x0000000000400000-0x0000000000421000-memory.dmp

                                                      Filesize

                                                      132KB

                                                    • memory/3064-31-0x0000000000050000-0x0000000000079000-memory.dmp

                                                      Filesize

                                                      164KB

                                                    • memory/3064-18-0x0000000000400000-0x0000000000421000-memory.dmp

                                                      Filesize

                                                      132KB

                                                    • memory/3064-11-0x0000000000400000-0x0000000000429000-memory.dmp

                                                      Filesize

                                                      164KB