Analysis

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

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    09/01/2024, 18:32

General

  • Target

    4e4a4a1258dc4f58792294ee3a1345c3.dll

  • Size

    216KB

  • MD5

    4e4a4a1258dc4f58792294ee3a1345c3

  • SHA1

    6e77e85a5adc7180fbcfdce00bbdadc43b62a859

  • SHA256

    385574a0da9b40e7d8bfd726ed733cc7c5ca0e5bf90ac13604106e3046b26878

  • SHA512

    dc8962cd1d852ed98fd333ee7d64fb6769647d593e076ce0ede875b493867e187249fd46b4d9abb53b41484d6c6f3c5440efe120bf673eaa2fa41aff180d52f4

  • SSDEEP

    3072:A0x7OzOBdr4BAzzid4V24q4gCj81llmaEeFB:r7O6zMBAzfxqo81ZZFB

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 2 IoCs
  • Loads dropped DLL 4 IoCs
  • UPX packed file 12 IoCs

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

  • Drops file in System32 directory 3 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 36 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\services.exe
    C:\Windows\system32\services.exe
    1⤵
      PID:464
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k RPCSS
        2⤵
          PID:660
        • C:\Windows\system32\svchost.exe
          C:\Windows\system32\svchost.exe -k netsvcs
          2⤵
            PID:836
            • C:\Windows\system32\wbem\WMIADAP.EXE
              wmiadap.exe /F /T /R
              3⤵
                PID:436
            • C:\Windows\system32\svchost.exe
              C:\Windows\system32\svchost.exe -k LocalService
              2⤵
                PID:976
              • C:\Windows\system32\svchost.exe
                C:\Windows\system32\svchost.exe -k NetworkService
                2⤵
                  PID:276
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
                  2⤵
                    PID:1036
                  • C:\Windows\system32\taskhost.exe
                    "taskhost.exe"
                    2⤵
                      PID:1160
                    • C:\Windows\System32\spoolsv.exe
                      C:\Windows\System32\spoolsv.exe
                      2⤵
                        PID:1020
                      • C:\Windows\System32\svchost.exe
                        C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
                        2⤵
                          PID:792
                        • C:\Windows\System32\svchost.exe
                          C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
                          2⤵
                            PID:752
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k DcomLaunch
                            2⤵
                              PID:580
                              • C:\Windows\system32\DllHost.exe
                                C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                                3⤵
                                  PID:484
                                • C:\Windows\system32\wbem\wmiprvse.exe
                                  C:\Windows\system32\wbem\wmiprvse.exe -Embedding
                                  3⤵
                                    PID:2352
                                • C:\Windows\system32\svchost.exe
                                  C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
                                  2⤵
                                    PID:1940
                                  • C:\Windows\system32\sppsvc.exe
                                    C:\Windows\system32\sppsvc.exe
                                    2⤵
                                      PID:2400
                                  • 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\lsass.exe
                                            C:\Windows\system32\lsass.exe
                                            2⤵
                                              PID:480
                                            • 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:336
                                              • C:\Windows\System32\smss.exe
                                                \SystemRoot\System32\smss.exe
                                                1⤵
                                                  PID:260
                                                • C:\Windows\system32\Dwm.exe
                                                  "C:\Windows\system32\Dwm.exe"
                                                  1⤵
                                                    PID:1264
                                                  • C:\Windows\Explorer.EXE
                                                    C:\Windows\Explorer.EXE
                                                    1⤵
                                                      PID:1308
                                                      • C:\Windows\system32\rundll32.exe
                                                        rundll32.exe C:\Users\Admin\AppData\Local\Temp\4e4a4a1258dc4f58792294ee3a1345c3.dll,#1
                                                        2⤵
                                                        • Suspicious use of WriteProcessMemory
                                                        PID:2000
                                                        • C:\Windows\SysWOW64\rundll32.exe
                                                          rundll32.exe C:\Users\Admin\AppData\Local\Temp\4e4a4a1258dc4f58792294ee3a1345c3.dll,#1
                                                          3⤵
                                                          • Loads dropped DLL
                                                          • Drops file in System32 directory
                                                          • Suspicious use of AdjustPrivilegeToken
                                                          • Suspicious use of WriteProcessMemory
                                                          PID:1664
                                                          • C:\Windows\SysWOW64\rundll32mgr.exe
                                                            C:\Windows\SysWOW64\rundll32mgr.exe
                                                            4⤵
                                                            • Executes dropped EXE
                                                            • Loads dropped DLL
                                                            • Suspicious use of UnmapMainImage
                                                            • Suspicious use of WriteProcessMemory
                                                            PID:1292
                                                            • 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:2744
                                                              • 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:2720
                                                              • C:\Windows\SysWOW64\svchost.exe
                                                                C:\Windows\system32\svchost.exe
                                                                6⤵
                                                                • Suspicious behavior: EnumeratesProcesses
                                                                • Suspicious use of AdjustPrivilegeToken
                                                                • Suspicious use of WriteProcessMemory
                                                                PID:2496

                                                    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

                                                            292KB

                                                            MD5

                                                            349d1bec1d37ef03225023eb2c4b7493

                                                            SHA1

                                                            41667abea42865e9dd585f6bb8ecb5da5cf4ef66

                                                            SHA256

                                                            ad4e5b6d66ff9011411de95a36f91d604add4fcb1b3cfd547db4d031abd51f2d

                                                            SHA512

                                                            f6dacb2389984c29be6c497f42bcf17c8e4ff83e99e054e6060a096aaa21083aaf647a02deefddcc67f431fb246eba7dd2220675a6688d69841a5b97ae2c9664

                                                          • 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

                                                            288KB

                                                            MD5

                                                            3f930a30246cdd00c0b3507c8b407723

                                                            SHA1

                                                            a53d00c44901537734d1c665a5d66e4a16c62322

                                                            SHA256

                                                            a2b890eb2a175dcfc1dc290fde679dadd949b436657a925027c795564516870c

                                                            SHA512

                                                            fdb62bfe4681cde1cd647d273b16cdeceed26d6b757f0352006d4e16fceb9cc75d3e46c80a555099179890e38bfe57106be4fb255c5d0b55e7a59b424d9b7a37

                                                          • \Windows\SysWOW64\rundll32mgr.exe

                                                            Filesize

                                                            139KB

                                                            MD5

                                                            03f2a314cd1c598c38a1de2663e1aebb

                                                            SHA1

                                                            aff058f29943df223cc418ed6544ab0f176e5762

                                                            SHA256

                                                            64ff2387190101102b4f140065c12780ea9ad822a1c05444a552164cc30a3392

                                                            SHA512

                                                            950368f5a8eacdee919ca7d2c93c1939f9fc120602fd7347e16ae6a67e382cec7b2525adc652ac2ce39e08a614437248d1ff83d44171075ce8333016bf45ae45

                                                          • memory/1292-10-0x0000000000400000-0x0000000000421000-memory.dmp

                                                            Filesize

                                                            132KB

                                                          • memory/1292-15-0x0000000000400000-0x0000000000421000-memory.dmp

                                                            Filesize

                                                            132KB

                                                          • memory/1292-13-0x0000000000400000-0x0000000000421000-memory.dmp

                                                            Filesize

                                                            132KB

                                                          • memory/1292-19-0x0000000000400000-0x0000000000421000-memory.dmp

                                                            Filesize

                                                            132KB

                                                          • memory/1292-28-0x00000000001A0000-0x00000000001CE000-memory.dmp

                                                            Filesize

                                                            184KB

                                                          • memory/1292-31-0x00000000001A0000-0x00000000001CE000-memory.dmp

                                                            Filesize

                                                            184KB

                                                          • memory/1292-16-0x0000000000400000-0x0000000000421000-memory.dmp

                                                            Filesize

                                                            132KB

                                                          • memory/1292-12-0x0000000000400000-0x0000000000421000-memory.dmp

                                                            Filesize

                                                            132KB

                                                          • memory/1292-14-0x0000000000400000-0x0000000000421000-memory.dmp

                                                            Filesize

                                                            132KB

                                                          • memory/1292-11-0x0000000000140000-0x0000000000141000-memory.dmp

                                                            Filesize

                                                            4KB

                                                          • memory/1664-3-0x0000000000400000-0x000000000042E000-memory.dmp

                                                            Filesize

                                                            184KB

                                                          • memory/1664-2-0x0000000010000000-0x0000000010037000-memory.dmp

                                                            Filesize

                                                            220KB

                                                          • memory/1664-302-0x0000000077CA0000-0x0000000077CA1000-memory.dmp

                                                            Filesize

                                                            4KB

                                                          • memory/1664-299-0x0000000000210000-0x0000000000211000-memory.dmp

                                                            Filesize

                                                            4KB

                                                          • memory/1664-297-0x0000000000240000-0x0000000000241000-memory.dmp

                                                            Filesize

                                                            4KB

                                                          • memory/2496-91-0x00000000001B0000-0x00000000001B1000-memory.dmp

                                                            Filesize

                                                            4KB

                                                          • memory/2496-90-0x0000000020010000-0x000000002001B000-memory.dmp

                                                            Filesize

                                                            44KB

                                                          • memory/2496-93-0x0000000020010000-0x000000002001B000-memory.dmp

                                                            Filesize

                                                            44KB

                                                          • memory/2496-89-0x0000000077CA0000-0x0000000077CA1000-memory.dmp

                                                            Filesize

                                                            4KB

                                                          • memory/2496-87-0x0000000000190000-0x0000000000191000-memory.dmp

                                                            Filesize

                                                            4KB

                                                          • memory/2496-88-0x0000000020010000-0x000000002001B000-memory.dmp

                                                            Filesize

                                                            44KB

                                                          • memory/2496-86-0x0000000020010000-0x000000002001B000-memory.dmp

                                                            Filesize

                                                            44KB

                                                          • memory/2496-82-0x0000000020010000-0x000000002001B000-memory.dmp

                                                            Filesize

                                                            44KB

                                                          • memory/2496-73-0x0000000020010000-0x000000002001B000-memory.dmp

                                                            Filesize

                                                            44KB

                                                          • memory/2720-44-0x0000000020010000-0x0000000020022000-memory.dmp

                                                            Filesize

                                                            72KB

                                                          • memory/2720-67-0x0000000020010000-0x0000000020022000-memory.dmp

                                                            Filesize

                                                            72KB

                                                          • memory/2720-62-0x0000000020010000-0x0000000020022000-memory.dmp

                                                            Filesize

                                                            72KB

                                                          • memory/2720-59-0x00000000000D0000-0x00000000000D1000-memory.dmp

                                                            Filesize

                                                            4KB

                                                          • memory/2720-498-0x0000000020010000-0x0000000020022000-memory.dmp

                                                            Filesize

                                                            72KB

                                                          • memory/2720-55-0x0000000020010000-0x0000000020022000-memory.dmp

                                                            Filesize

                                                            72KB

                                                          • memory/2720-46-0x00000000000C0000-0x00000000000C1000-memory.dmp

                                                            Filesize

                                                            4KB

                                                          • memory/2720-54-0x00000000000C0000-0x00000000000C1000-memory.dmp

                                                            Filesize

                                                            4KB

                                                          • memory/2720-53-0x00000000000E0000-0x00000000000E1000-memory.dmp

                                                            Filesize

                                                            4KB

                                                          • memory/2744-71-0x0000000000230000-0x0000000000231000-memory.dmp

                                                            Filesize

                                                            4KB

                                                          • memory/2744-40-0x0000000000400000-0x0000000000421000-memory.dmp

                                                            Filesize

                                                            132KB

                                                          • memory/2744-316-0x0000000000400000-0x0000000000421000-memory.dmp

                                                            Filesize

                                                            132KB

                                                          • memory/2744-318-0x0000000077C80000-0x0000000077E00000-memory.dmp

                                                            Filesize

                                                            1.5MB

                                                          • memory/2744-322-0x0000000077C9F000-0x0000000077CA0000-memory.dmp

                                                            Filesize

                                                            4KB

                                                          • memory/2744-496-0x0000000000400000-0x0000000000421000-memory.dmp

                                                            Filesize

                                                            132KB

                                                          • memory/2744-497-0x0000000077C80000-0x0000000077E00000-memory.dmp

                                                            Filesize

                                                            1.5MB

                                                          • memory/2744-42-0x0000000077C9F000-0x0000000077CA0000-memory.dmp

                                                            Filesize

                                                            4KB

                                                          • memory/2744-41-0x0000000000220000-0x0000000000221000-memory.dmp

                                                            Filesize

                                                            4KB

                                                          • memory/2744-33-0x0000000000400000-0x000000000042E000-memory.dmp

                                                            Filesize

                                                            184KB