Analysis

  • max time kernel
    149s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    06/11/2022, 20:23

General

  • Target

    fcd64b85a47dface08b2a76041ba84b2f2fe28000dcff5ba26146c5ae04f2fc7.dll

  • Size

    5.6MB

  • MD5

    0d76119b88cbc634b5c454c3bd0c3e17

  • SHA1

    07bb88f893c84b85b103c6c2ff043d10ec747d0c

  • SHA256

    fcd64b85a47dface08b2a76041ba84b2f2fe28000dcff5ba26146c5ae04f2fc7

  • SHA512

    d02d39a065e19d8c1ed8f660bcebc9f941f0df498d9487bd1168269bc4abb07d60bb6d62463301327e10a80690833796453d0f95caa35e3e3255ff9e437b6781

  • SSDEEP

    98304:fivlGupvdCf9DpTl4cjg1z+X2kU3D4YJRNhu6VKt9wXgvhiWaOuBuc3hF4pBM/31:f0lGgCf5pB4sg1z+X2n3D4GRfu6Vzbl

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 4 IoCs
  • UPX packed file 9 IoCs

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

  • Loads dropped DLL 8 IoCs
  • Drops file in System32 directory 4 IoCs
  • Drops file in Program Files directory 12 IoCs
  • Suspicious behavior: EnumeratesProcesses 33 IoCs
  • Suspicious use of AdjustPrivilegeToken 8 IoCs
  • Suspicious use of UnmapMainImage 4 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\lsass.exe
    C:\Windows\system32\lsass.exe
    1⤵
      PID:480
    • C:\Windows\system32\services.exe
      C:\Windows\system32\services.exe
      1⤵
        PID:464
        • C:\Windows\system32\sppsvc.exe
          C:\Windows\system32\sppsvc.exe
          2⤵
            PID:1680
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
            2⤵
              PID:1052
            • C:\Windows\system32\taskhost.exe
              "taskhost.exe"
              2⤵
                PID:1104
              • C:\Windows\system32\svchost.exe
                C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
                2⤵
                  PID:1084
                • C:\Windows\System32\spoolsv.exe
                  C:\Windows\System32\spoolsv.exe
                  2⤵
                    PID:276
                  • C:\Windows\system32\svchost.exe
                    C:\Windows\system32\svchost.exe -k NetworkService
                    2⤵
                      PID:284
                    • C:\Windows\system32\svchost.exe
                      C:\Windows\system32\svchost.exe -k netsvcs
                      2⤵
                        PID:884
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k LocalService
                        2⤵
                          PID:844
                        • C:\Windows\System32\svchost.exe
                          C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
                          2⤵
                            PID:808
                          • C:\Windows\System32\svchost.exe
                            C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
                            2⤵
                              PID:748
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k RPCSS
                              2⤵
                                PID:664
                              • C:\Windows\system32\svchost.exe
                                C:\Windows\system32\svchost.exe -k DcomLaunch
                                2⤵
                                  PID:584
                              • C:\Windows\system32\winlogon.exe
                                winlogon.exe
                                1⤵
                                  PID:420
                                • 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:384
                                  • C:\Windows\system32\wininit.exe
                                    wininit.exe
                                    1⤵
                                      PID:372
                                      • C:\Windows\system32\lsm.exe
                                        C:\Windows\system32\lsm.exe
                                        2⤵
                                          PID:488
                                      • 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\smss.exe
                                          \SystemRoot\System32\smss.exe
                                          1⤵
                                            PID:260
                                          • \\?\C:\Windows\system32\wbem\WMIADAP.EXE
                                            wmiadap.exe /F /T /R
                                            1⤵
                                              PID:2036
                                            • C:\Windows\system32\rundll32.exe
                                              rundll32.exe C:\Users\Admin\AppData\Local\Temp\fcd64b85a47dface08b2a76041ba84b2f2fe28000dcff5ba26146c5ae04f2fc7.dll,#1
                                              1⤵
                                              • Suspicious use of WriteProcessMemory
                                              PID:1048
                                              • C:\Windows\SysWOW64\rundll32.exe
                                                rundll32.exe C:\Users\Admin\AppData\Local\Temp\fcd64b85a47dface08b2a76041ba84b2f2fe28000dcff5ba26146c5ae04f2fc7.dll,#1
                                                2⤵
                                                • Loads dropped DLL
                                                • Drops file in System32 directory
                                                • Suspicious use of AdjustPrivilegeToken
                                                • Suspicious use of WriteProcessMemory
                                                PID:540
                                                • C:\Windows\SysWOW64\rundll32mgr.exe
                                                  C:\Windows\SysWOW64\rundll32mgr.exe
                                                  3⤵
                                                  • Executes dropped EXE
                                                  • Loads dropped DLL
                                                  • Drops file in System32 directory
                                                  • Drops file in Program Files directory
                                                  • Suspicious use of UnmapMainImage
                                                  • Suspicious use of WriteProcessMemory
                                                  PID:1736
                                                  • C:\Windows\SysWOW64\rundll32mgrmgr.exe
                                                    C:\Windows\SysWOW64\rundll32mgrmgr.exe
                                                    4⤵
                                                    • Executes dropped EXE
                                                    • Loads dropped DLL
                                                    • Drops file in Program Files directory
                                                    • Suspicious use of UnmapMainImage
                                                    • Suspicious use of WriteProcessMemory
                                                    PID:1496
                                                    • C:\Program Files (x86)\Microsoft\WaterMark.exe
                                                      "C:\Program Files (x86)\Microsoft\WaterMark.exe"
                                                      5⤵
                                                      • Executes dropped EXE
                                                      • Suspicious behavior: EnumeratesProcesses
                                                      • Suspicious use of AdjustPrivilegeToken
                                                      • Suspicious use of UnmapMainImage
                                                      • Suspicious use of WriteProcessMemory
                                                      PID:1284
                                                      • 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
                                                        PID:1844
                                                      • C:\Windows\SysWOW64\svchost.exe
                                                        C:\Windows\system32\svchost.exe
                                                        6⤵
                                                        • Suspicious use of AdjustPrivilegeToken
                                                        PID:1792
                                                  • C:\Program Files (x86)\Microsoft\WaterMark.exe
                                                    "C:\Program Files (x86)\Microsoft\WaterMark.exe"
                                                    4⤵
                                                    • Executes dropped EXE
                                                    • Suspicious behavior: EnumeratesProcesses
                                                    • Suspicious use of AdjustPrivilegeToken
                                                    • Suspicious use of UnmapMainImage
                                                    • Suspicious use of WriteProcessMemory
                                                    PID:2008
                                                    • C:\Windows\SysWOW64\svchost.exe
                                                      C:\Windows\system32\svchost.exe
                                                      5⤵
                                                      • Suspicious use of AdjustPrivilegeToken
                                                      PID:600
                                                    • C:\Windows\SysWOW64\svchost.exe
                                                      C:\Windows\system32\svchost.exe
                                                      5⤵
                                                      • Suspicious behavior: EnumeratesProcesses
                                                      • Suspicious use of AdjustPrivilegeToken
                                                      • Suspicious use of WriteProcessMemory
                                                      PID:744
                                            • C:\Windows\Explorer.EXE
                                              C:\Windows\Explorer.EXE
                                              1⤵
                                                PID:1216
                                              • C:\Windows\system32\Dwm.exe
                                                "C:\Windows\system32\Dwm.exe"
                                                1⤵
                                                  PID:1184

                                                Network

                                                      MITRE ATT&CK Enterprise v6

                                                      Replay Monitor

                                                      Loading Replay Monitor...

                                                      Downloads

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

                                                        Filesize

                                                        91KB

                                                        MD5

                                                        c56eab01a1504045b4e4b4376630e35d

                                                        SHA1

                                                        1586025ddf036c2ce35601e6021fad5df2814963

                                                        SHA256

                                                        e41b8af9b477ee81e0c2fa21b6a3a5a598a43874128ba117f287ce99471d8631

                                                        SHA512

                                                        1f1034f40beeb52e92524dc17984f45f12a911d5364d36ca43ef197b89348d7a3c373ca4ebee20b260693028151df1475d472d3432eed02cce6b2e3ac3d12d71

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

                                                        Filesize

                                                        91KB

                                                        MD5

                                                        c56eab01a1504045b4e4b4376630e35d

                                                        SHA1

                                                        1586025ddf036c2ce35601e6021fad5df2814963

                                                        SHA256

                                                        e41b8af9b477ee81e0c2fa21b6a3a5a598a43874128ba117f287ce99471d8631

                                                        SHA512

                                                        1f1034f40beeb52e92524dc17984f45f12a911d5364d36ca43ef197b89348d7a3c373ca4ebee20b260693028151df1475d472d3432eed02cce6b2e3ac3d12d71

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

                                                        Filesize

                                                        91KB

                                                        MD5

                                                        c56eab01a1504045b4e4b4376630e35d

                                                        SHA1

                                                        1586025ddf036c2ce35601e6021fad5df2814963

                                                        SHA256

                                                        e41b8af9b477ee81e0c2fa21b6a3a5a598a43874128ba117f287ce99471d8631

                                                        SHA512

                                                        1f1034f40beeb52e92524dc17984f45f12a911d5364d36ca43ef197b89348d7a3c373ca4ebee20b260693028151df1475d472d3432eed02cce6b2e3ac3d12d71

                                                      • C:\Windows\SysWOW64\rundll32mgr.exe

                                                        Filesize

                                                        185KB

                                                        MD5

                                                        a1ada298faa9819dca0eab0165d978d9

                                                        SHA1

                                                        50d7bd60790cc2370d4c3a2382e3e7248b95ef6e

                                                        SHA256

                                                        3f2af8dff9eb0ee18e38ce952c51bf1b461094fd03e71e137a61219c595cc742

                                                        SHA512

                                                        672a5f15f704932ae0dab2562238be9ca91743ce6885b79fe0bbf000ee1a8e9389278591221dcb6ee5d488faaf374d0603a985a62cb1b639ba27b0e774e25978

                                                      • C:\Windows\SysWOW64\rundll32mgr.exe

                                                        Filesize

                                                        185KB

                                                        MD5

                                                        a1ada298faa9819dca0eab0165d978d9

                                                        SHA1

                                                        50d7bd60790cc2370d4c3a2382e3e7248b95ef6e

                                                        SHA256

                                                        3f2af8dff9eb0ee18e38ce952c51bf1b461094fd03e71e137a61219c595cc742

                                                        SHA512

                                                        672a5f15f704932ae0dab2562238be9ca91743ce6885b79fe0bbf000ee1a8e9389278591221dcb6ee5d488faaf374d0603a985a62cb1b639ba27b0e774e25978

                                                      • C:\Windows\SysWOW64\rundll32mgrmgr.exe

                                                        Filesize

                                                        91KB

                                                        MD5

                                                        c56eab01a1504045b4e4b4376630e35d

                                                        SHA1

                                                        1586025ddf036c2ce35601e6021fad5df2814963

                                                        SHA256

                                                        e41b8af9b477ee81e0c2fa21b6a3a5a598a43874128ba117f287ce99471d8631

                                                        SHA512

                                                        1f1034f40beeb52e92524dc17984f45f12a911d5364d36ca43ef197b89348d7a3c373ca4ebee20b260693028151df1475d472d3432eed02cce6b2e3ac3d12d71

                                                      • C:\Windows\SysWOW64\rundll32mgrmgr.exe

                                                        Filesize

                                                        91KB

                                                        MD5

                                                        c56eab01a1504045b4e4b4376630e35d

                                                        SHA1

                                                        1586025ddf036c2ce35601e6021fad5df2814963

                                                        SHA256

                                                        e41b8af9b477ee81e0c2fa21b6a3a5a598a43874128ba117f287ce99471d8631

                                                        SHA512

                                                        1f1034f40beeb52e92524dc17984f45f12a911d5364d36ca43ef197b89348d7a3c373ca4ebee20b260693028151df1475d472d3432eed02cce6b2e3ac3d12d71

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

                                                        Filesize

                                                        91KB

                                                        MD5

                                                        c56eab01a1504045b4e4b4376630e35d

                                                        SHA1

                                                        1586025ddf036c2ce35601e6021fad5df2814963

                                                        SHA256

                                                        e41b8af9b477ee81e0c2fa21b6a3a5a598a43874128ba117f287ce99471d8631

                                                        SHA512

                                                        1f1034f40beeb52e92524dc17984f45f12a911d5364d36ca43ef197b89348d7a3c373ca4ebee20b260693028151df1475d472d3432eed02cce6b2e3ac3d12d71

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

                                                        Filesize

                                                        91KB

                                                        MD5

                                                        c56eab01a1504045b4e4b4376630e35d

                                                        SHA1

                                                        1586025ddf036c2ce35601e6021fad5df2814963

                                                        SHA256

                                                        e41b8af9b477ee81e0c2fa21b6a3a5a598a43874128ba117f287ce99471d8631

                                                        SHA512

                                                        1f1034f40beeb52e92524dc17984f45f12a911d5364d36ca43ef197b89348d7a3c373ca4ebee20b260693028151df1475d472d3432eed02cce6b2e3ac3d12d71

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

                                                        Filesize

                                                        91KB

                                                        MD5

                                                        c56eab01a1504045b4e4b4376630e35d

                                                        SHA1

                                                        1586025ddf036c2ce35601e6021fad5df2814963

                                                        SHA256

                                                        e41b8af9b477ee81e0c2fa21b6a3a5a598a43874128ba117f287ce99471d8631

                                                        SHA512

                                                        1f1034f40beeb52e92524dc17984f45f12a911d5364d36ca43ef197b89348d7a3c373ca4ebee20b260693028151df1475d472d3432eed02cce6b2e3ac3d12d71

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

                                                        Filesize

                                                        91KB

                                                        MD5

                                                        c56eab01a1504045b4e4b4376630e35d

                                                        SHA1

                                                        1586025ddf036c2ce35601e6021fad5df2814963

                                                        SHA256

                                                        e41b8af9b477ee81e0c2fa21b6a3a5a598a43874128ba117f287ce99471d8631

                                                        SHA512

                                                        1f1034f40beeb52e92524dc17984f45f12a911d5364d36ca43ef197b89348d7a3c373ca4ebee20b260693028151df1475d472d3432eed02cce6b2e3ac3d12d71

                                                      • \Windows\SysWOW64\rundll32mgr.exe

                                                        Filesize

                                                        185KB

                                                        MD5

                                                        a1ada298faa9819dca0eab0165d978d9

                                                        SHA1

                                                        50d7bd60790cc2370d4c3a2382e3e7248b95ef6e

                                                        SHA256

                                                        3f2af8dff9eb0ee18e38ce952c51bf1b461094fd03e71e137a61219c595cc742

                                                        SHA512

                                                        672a5f15f704932ae0dab2562238be9ca91743ce6885b79fe0bbf000ee1a8e9389278591221dcb6ee5d488faaf374d0603a985a62cb1b639ba27b0e774e25978

                                                      • \Windows\SysWOW64\rundll32mgr.exe

                                                        Filesize

                                                        185KB

                                                        MD5

                                                        a1ada298faa9819dca0eab0165d978d9

                                                        SHA1

                                                        50d7bd60790cc2370d4c3a2382e3e7248b95ef6e

                                                        SHA256

                                                        3f2af8dff9eb0ee18e38ce952c51bf1b461094fd03e71e137a61219c595cc742

                                                        SHA512

                                                        672a5f15f704932ae0dab2562238be9ca91743ce6885b79fe0bbf000ee1a8e9389278591221dcb6ee5d488faaf374d0603a985a62cb1b639ba27b0e774e25978

                                                      • \Windows\SysWOW64\rundll32mgrmgr.exe

                                                        Filesize

                                                        91KB

                                                        MD5

                                                        c56eab01a1504045b4e4b4376630e35d

                                                        SHA1

                                                        1586025ddf036c2ce35601e6021fad5df2814963

                                                        SHA256

                                                        e41b8af9b477ee81e0c2fa21b6a3a5a598a43874128ba117f287ce99471d8631

                                                        SHA512

                                                        1f1034f40beeb52e92524dc17984f45f12a911d5364d36ca43ef197b89348d7a3c373ca4ebee20b260693028151df1475d472d3432eed02cce6b2e3ac3d12d71

                                                      • \Windows\SysWOW64\rundll32mgrmgr.exe

                                                        Filesize

                                                        91KB

                                                        MD5

                                                        c56eab01a1504045b4e4b4376630e35d

                                                        SHA1

                                                        1586025ddf036c2ce35601e6021fad5df2814963

                                                        SHA256

                                                        e41b8af9b477ee81e0c2fa21b6a3a5a598a43874128ba117f287ce99471d8631

                                                        SHA512

                                                        1f1034f40beeb52e92524dc17984f45f12a911d5364d36ca43ef197b89348d7a3c373ca4ebee20b260693028151df1475d472d3432eed02cce6b2e3ac3d12d71

                                                      • memory/540-55-0x0000000076171000-0x0000000076173000-memory.dmp

                                                        Filesize

                                                        8KB

                                                      • memory/540-115-0x0000000000210000-0x000000000024E000-memory.dmp

                                                        Filesize

                                                        248KB

                                                      • memory/540-114-0x0000000000210000-0x000000000024E000-memory.dmp

                                                        Filesize

                                                        248KB

                                                      • memory/540-113-0x0000000074CB0000-0x000000007527D000-memory.dmp

                                                        Filesize

                                                        5.8MB

                                                      • memory/540-112-0x00000000746E0000-0x0000000074CAD000-memory.dmp

                                                        Filesize

                                                        5.8MB

                                                      • memory/540-111-0x0000000074CB0000-0x000000007527D000-memory.dmp

                                                        Filesize

                                                        5.8MB

                                                      • memory/540-209-0x0000000000210000-0x0000000000212000-memory.dmp

                                                        Filesize

                                                        8KB

                                                      • memory/744-122-0x0000000020010000-0x000000002001B000-memory.dmp

                                                        Filesize

                                                        44KB

                                                      • memory/744-129-0x0000000020010000-0x000000002001B000-memory.dmp

                                                        Filesize

                                                        44KB

                                                      • memory/1284-117-0x0000000000400000-0x0000000000426000-memory.dmp

                                                        Filesize

                                                        152KB

                                                      • memory/1284-119-0x0000000000400000-0x0000000000426000-memory.dmp

                                                        Filesize

                                                        152KB

                                                      • memory/1496-86-0x0000000000400000-0x0000000000421000-memory.dmp

                                                        Filesize

                                                        132KB

                                                      • memory/1736-67-0x0000000000400000-0x0000000000421000-memory.dmp

                                                        Filesize

                                                        132KB

                                                      • memory/1736-82-0x0000000000400000-0x0000000000421000-memory.dmp

                                                        Filesize

                                                        132KB

                                                      • memory/1736-70-0x0000000000400000-0x0000000000421000-memory.dmp

                                                        Filesize

                                                        132KB

                                                      • memory/1844-95-0x0000000020010000-0x0000000020022000-memory.dmp

                                                        Filesize

                                                        72KB

                                                      • memory/1844-123-0x0000000020010000-0x0000000020022000-memory.dmp

                                                        Filesize

                                                        72KB

                                                      • memory/1844-103-0x0000000020010000-0x0000000020022000-memory.dmp

                                                        Filesize

                                                        72KB

                                                      • memory/1844-257-0x0000000020010000-0x0000000020022000-memory.dmp

                                                        Filesize

                                                        72KB

                                                      • memory/2008-118-0x0000000000400000-0x0000000000426000-memory.dmp

                                                        Filesize

                                                        152KB

                                                      • memory/2008-116-0x0000000000400000-0x0000000000426000-memory.dmp

                                                        Filesize

                                                        152KB

                                                      • memory/2008-256-0x0000000000400000-0x0000000000421000-memory.dmp

                                                        Filesize

                                                        132KB