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Analysis

  • max time kernel
    85s
  • max time network
    129s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    07/01/2024, 19:05

General

  • Target

    ad69ba9f0c1b6d2e22141d0cfbfdf892.exe

  • Size

    116KB

  • MD5

    ad69ba9f0c1b6d2e22141d0cfbfdf892

  • SHA1

    d0fb135c6dbf4d67e9e80ea422ad0f3a0afcf5ce

  • SHA256

    383df27b84ca79e918b559f8450046bcdce04616aa39a3849b046941d4bc6a52

  • SHA512

    b8f26cbee38afbcf8ff0f76f780d972f1464bada7563cbaf4a957b82b79b897668cb29c4feed22c45f7154d5978d8a0e4303f19fcd5c66663378dbcea6c269fb

  • SSDEEP

    1536:/R0vxn3Pc0LCH9MtbvabUDzJYWu3BvbSGBYYonJasu7o:/R2xn3k0CdM1vabyzJYWqxbFBYBn0e

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 1 IoCs
  • Loads dropped DLL 2 IoCs
  • UPX packed file 11 IoCs

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

  • Drops file in System32 directory 2 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 24 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\lsass.exe
    C:\Windows\system32\lsass.exe
    1⤵
      PID:476
    • C:\Windows\system32\services.exe
      C:\Windows\system32\services.exe
      1⤵
        PID:468
        • C:\Windows\System32\svchost.exe
          C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
          2⤵
            PID:740
          • C:\Windows\System32\svchost.exe
            C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
            2⤵
              PID:788
              • C:\Windows\system32\Dwm.exe
                "C:\Windows\system32\Dwm.exe"
                3⤵
                  PID:1168
              • C:\Windows\system32\svchost.exe
                C:\Windows\system32\svchost.exe -k netsvcs
                2⤵
                  PID:828
                  • C:\Windows\system32\wbem\WMIADAP.EXE
                    wmiadap.exe /F /T /R
                    3⤵
                      PID:2300
                  • C:\Windows\system32\svchost.exe
                    C:\Windows\system32\svchost.exe -k LocalService
                    2⤵
                      PID:960
                    • C:\Windows\system32\sppsvc.exe
                      C:\Windows\system32\sppsvc.exe
                      2⤵
                        PID:2344
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
                        2⤵
                          PID:2504
                        • C:\Windows\system32\taskhost.exe
                          "taskhost.exe"
                          2⤵
                            PID:1100
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
                            2⤵
                              PID:1068
                            • C:\Windows\System32\spoolsv.exe
                              C:\Windows\System32\spoolsv.exe
                              2⤵
                                PID:332
                              • C:\Windows\system32\svchost.exe
                                C:\Windows\system32\svchost.exe -k NetworkService
                                2⤵
                                  PID:108
                                • C:\Windows\system32\svchost.exe
                                  C:\Windows\system32\svchost.exe -k RPCSS
                                  2⤵
                                    PID:656
                                  • C:\Windows\system32\svchost.exe
                                    C:\Windows\system32\svchost.exe -k DcomLaunch
                                    2⤵
                                      PID:576
                                      • C:\Windows\system32\wbem\wmiprvse.exe
                                        C:\Windows\system32\wbem\wmiprvse.exe -Embedding
                                        3⤵
                                          PID:1620
                                    • 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:484
                                            • 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\SysWOW64\svchost.exe
                                                  C:\Windows\system32\svchost.exe
                                                  1⤵
                                                  • Modifies WinLogon for persistence
                                                  • Drops file in System32 directory
                                                  • Drops file in Program Files directory
                                                  PID:2660
                                                • C:\Program Files (x86)\Microsoft\WaterMark.exe
                                                  "C:\Program Files (x86)\Microsoft\WaterMark.exe"
                                                  1⤵
                                                  • Executes dropped EXE
                                                  • Suspicious behavior: EnumeratesProcesses
                                                  • Suspicious use of AdjustPrivilegeToken
                                                  • Suspicious use of UnmapMainImage
                                                  • Suspicious use of WriteProcessMemory
                                                  PID:2052
                                                  • C:\Windows\SysWOW64\svchost.exe
                                                    C:\Windows\system32\svchost.exe
                                                    2⤵
                                                    • Suspicious behavior: EnumeratesProcesses
                                                    • Suspicious use of AdjustPrivilegeToken
                                                    • Suspicious use of WriteProcessMemory
                                                    PID:2604
                                                • C:\Users\Admin\AppData\Local\Temp\ad69ba9f0c1b6d2e22141d0cfbfdf892.exe
                                                  "C:\Users\Admin\AppData\Local\Temp\ad69ba9f0c1b6d2e22141d0cfbfdf892.exe"
                                                  1⤵
                                                  • Loads dropped DLL
                                                  • Suspicious use of UnmapMainImage
                                                  • Suspicious use of WriteProcessMemory
                                                  PID:2236
                                                • C:\Windows\system32\DllHost.exe
                                                  C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                                                  1⤵
                                                    PID:1728
                                                  • C:\Windows\Explorer.EXE
                                                    C:\Windows\Explorer.EXE
                                                    1⤵
                                                      PID:1196

                                                    Network

                                                    MITRE ATT&CK Enterprise v15

                                                    Replay Monitor

                                                    Loading Replay Monitor...

                                                    Downloads

                                                    • memory/2052-28-0x00000000001E0000-0x00000000001E1000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2052-60-0x0000000000060000-0x0000000000061000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2052-29-0x0000000000400000-0x0000000000421000-memory.dmp

                                                      Filesize

                                                      132KB

                                                    • memory/2052-19-0x0000000000400000-0x000000000042B000-memory.dmp

                                                      Filesize

                                                      172KB

                                                    • memory/2052-432-0x0000000000400000-0x0000000000421000-memory.dmp

                                                      Filesize

                                                      132KB

                                                    • memory/2052-429-0x00000000770DF000-0x00000000770E0000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2052-428-0x0000000000400000-0x0000000000421000-memory.dmp

                                                      Filesize

                                                      132KB

                                                    • memory/2052-269-0x00000000770E0000-0x00000000770E1000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2052-267-0x0000000000060000-0x0000000000061000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2052-265-0x00000000001E0000-0x00000000001E1000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2052-30-0x0000000000400000-0x0000000000421000-memory.dmp

                                                      Filesize

                                                      132KB

                                                    • memory/2052-31-0x00000000770DF000-0x00000000770E0000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2236-1-0x0000000000400000-0x0000000000421000-memory.dmp

                                                      Filesize

                                                      132KB

                                                    • memory/2236-9-0x0000000000400000-0x0000000000421000-memory.dmp

                                                      Filesize

                                                      132KB

                                                    • memory/2236-7-0x0000000000400000-0x0000000000421000-memory.dmp

                                                      Filesize

                                                      132KB

                                                    • memory/2236-0-0x0000000000400000-0x000000000042B000-memory.dmp

                                                      Filesize

                                                      172KB

                                                    • memory/2236-6-0x0000000000400000-0x0000000000421000-memory.dmp

                                                      Filesize

                                                      132KB

                                                    • memory/2236-5-0x0000000000400000-0x0000000000421000-memory.dmp

                                                      Filesize

                                                      132KB

                                                    • memory/2236-4-0x0000000000400000-0x0000000000421000-memory.dmp

                                                      Filesize

                                                      132KB

                                                    • memory/2236-3-0x00000000000D0000-0x00000000000D1000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2236-2-0x0000000000400000-0x0000000000421000-memory.dmp

                                                      Filesize

                                                      132KB

                                                    • memory/2604-77-0x0000000020010000-0x000000002001B000-memory.dmp

                                                      Filesize

                                                      44KB

                                                    • memory/2604-62-0x0000000020010000-0x000000002001B000-memory.dmp

                                                      Filesize

                                                      44KB

                                                    • memory/2604-80-0x0000000020010000-0x000000002001B000-memory.dmp

                                                      Filesize

                                                      44KB

                                                    • memory/2604-82-0x00000000770E0000-0x00000000770E1000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2604-79-0x00000000002A0000-0x00000000002A1000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2604-78-0x0000000020010000-0x000000002001B000-memory.dmp

                                                      Filesize

                                                      44KB

                                                    • memory/2604-71-0x0000000020010000-0x000000002001B000-memory.dmp

                                                      Filesize

                                                      44KB

                                                    • memory/2604-75-0x0000000020010000-0x000000002001B000-memory.dmp

                                                      Filesize

                                                      44KB

                                                    • memory/2604-76-0x0000000000290000-0x0000000000291000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2660-52-0x00000000000D0000-0x00000000000D1000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2660-49-0x0000000020010000-0x0000000020022000-memory.dmp

                                                      Filesize

                                                      72KB

                                                    • memory/2660-47-0x00000000000E0000-0x00000000000E1000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2660-35-0x00000000000C0000-0x00000000000C1000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2660-33-0x0000000020010000-0x0000000020022000-memory.dmp

                                                      Filesize

                                                      72KB

                                                    • memory/2660-56-0x0000000020010000-0x0000000020022000-memory.dmp

                                                      Filesize

                                                      72KB

                                                    • memory/2660-50-0x00000000000C0000-0x00000000000C1000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2660-43-0x0000000020010000-0x0000000020022000-memory.dmp

                                                      Filesize

                                                      72KB

                                                    • memory/2660-587-0x0000000020010000-0x0000000020022000-memory.dmp

                                                      Filesize

                                                      72KB