Analysis

  • max time kernel
    120s
  • max time network
    97s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    22-12-2024 01:31

General

  • Target

    6a943da45561b89e7a60cdcea899249b13c35ab202648b15500a0ec236a66b32N.dll

  • Size

    184KB

  • MD5

    a4df67495a3e8a90b8626f38c0b95320

  • SHA1

    3d97b8da469fc943f3ce07a4630e9fb110192b53

  • SHA256

    6a943da45561b89e7a60cdcea899249b13c35ab202648b15500a0ec236a66b32

  • SHA512

    db6386f2fef84785a46706eabebb5bd2b1b89d62f72551ebf8318ca74bd9320ef78d955e93af21e54411986bed41b0f1293db649b92c26fea636b7cca8ba94e3

  • SSDEEP

    3072:jn4cV8gf2u41Z5tKlw+riClf+gfjxbfkhbN:L4y8gOl2zrhlf++xYhh

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 12 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:336
      • C:\Windows\system32\wininit.exe
        wininit.exe
        1⤵
          PID:372
          • C:\Windows\system32\services.exe
            C:\Windows\system32\services.exe
            2⤵
              PID:464
              • C:\Windows\system32\svchost.exe
                C:\Windows\system32\svchost.exe -k DcomLaunch
                3⤵
                  PID:604
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    4⤵
                      PID:928
                    • C:\Windows\system32\wbem\wmiprvse.exe
                      C:\Windows\system32\wbem\wmiprvse.exe
                      4⤵
                        PID:1852
                    • C:\Windows\system32\svchost.exe
                      C:\Windows\system32\svchost.exe -k RPCSS
                      3⤵
                        PID:684
                      • C:\Windows\System32\svchost.exe
                        C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
                        3⤵
                          PID:744
                        • C:\Windows\System32\svchost.exe
                          C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
                          3⤵
                            PID:816
                            • C:\Windows\system32\Dwm.exe
                              "C:\Windows\system32\Dwm.exe"
                              4⤵
                                PID:1320
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k netsvcs
                              3⤵
                                PID:856
                              • C:\Windows\system32\svchost.exe
                                C:\Windows\system32\svchost.exe -k LocalService
                                3⤵
                                  PID:992
                                • C:\Windows\system32\svchost.exe
                                  C:\Windows\system32\svchost.exe -k NetworkService
                                  3⤵
                                    PID:300
                                  • C:\Windows\System32\spoolsv.exe
                                    C:\Windows\System32\spoolsv.exe
                                    3⤵
                                      PID:272
                                    • C:\Windows\system32\svchost.exe
                                      C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
                                      3⤵
                                        PID:1032
                                      • C:\Windows\system32\taskhost.exe
                                        "taskhost.exe"
                                        3⤵
                                          PID:1232
                                        • C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE
                                          "C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE"
                                          3⤵
                                            PID:1120
                                          • C:\Windows\system32\svchost.exe
                                            C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
                                            3⤵
                                              PID:1928
                                            • C:\Windows\system32\sppsvc.exe
                                              C:\Windows\system32\sppsvc.exe
                                              3⤵
                                                PID:1924
                                            • 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:384
                                                • C:\Windows\system32\winlogon.exe
                                                  winlogon.exe
                                                  1⤵
                                                    PID:420
                                                  • C:\Windows\Explorer.EXE
                                                    C:\Windows\Explorer.EXE
                                                    1⤵
                                                      PID:1360
                                                      • C:\Windows\system32\rundll32.exe
                                                        rundll32.exe C:\Users\Admin\AppData\Local\Temp\6a943da45561b89e7a60cdcea899249b13c35ab202648b15500a0ec236a66b32N.dll,#1
                                                        2⤵
                                                        • Suspicious use of WriteProcessMemory
                                                        PID:392
                                                        • C:\Windows\SysWOW64\rundll32.exe
                                                          rundll32.exe C:\Users\Admin\AppData\Local\Temp\6a943da45561b89e7a60cdcea899249b13c35ab202648b15500a0ec236a66b32N.dll,#1
                                                          3⤵
                                                          • Loads dropped DLL
                                                          • Drops file in System32 directory
                                                          • System Location Discovery: System Language Discovery
                                                          • Suspicious use of WriteProcessMemory
                                                          PID:2380
                                                          • 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:2552
                                                            • 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:2980
                                                              • 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:2736
                                                              • 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:2780

                                                    Network

                                                    MITRE ATT&CK Enterprise v15

                                                    Replay Monitor

                                                    Loading Replay Monitor...

                                                    Downloads

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

                                                      Filesize

                                                      198KB

                                                      MD5

                                                      023b9ceeca1ddeb02a05563139facd5e

                                                      SHA1

                                                      954f231ec1cdc4b80381f2fb97597c701173d15b

                                                      SHA256

                                                      71aebb495acfe902cf0c6fb9f8bfe04afaafb8ceec085c08f2980cbea6e42553

                                                      SHA512

                                                      9ed27429c5fac8f72d3cdc283828e3ada5913c8097140e7005bf85acf996fefc26ddc5d00d91ffb6b8366376ee7876203d0b6a93f966373a912b120fcde5abba

                                                    • 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

                                                      194KB

                                                      MD5

                                                      d097c6317e9b0036031abea748fde0bc

                                                      SHA1

                                                      72a16688524279f702052c7dfb80e5c3a639fac9

                                                      SHA256

                                                      3a67397e6d5f7fee5639b1a0dcf3d77d2842071afc8dbf5c28da1acbd26ccd12

                                                      SHA512

                                                      d79a709bb25af732fe8f0c7455e251aea7ffb6007c54b0417315f2c907a6cddbff27d247e84fd8e9b51772a91591525bf013b938dc4365767ee06ab4cfcdb175

                                                    • C:\Windows\SysWOW64\rundll32mgr.exe

                                                      Filesize

                                                      92KB

                                                      MD5

                                                      dace075bf1731bb90fc56f559f9e864f

                                                      SHA1

                                                      2147f6b576b71bba1f1c1117f86ecb123e941bab

                                                      SHA256

                                                      bc2ed6ce2caca16e2d4f77e2f59608fa901993a87a419e8066cda64eae8b9e8d

                                                      SHA512

                                                      f28c6c90c8ea26f8af6a62963249f4c420605040d2048db0b516dcd10f196173ea9dfbc8ab595db5241e0f3c4f57e9db690eb57abd4d795278f748651a01d0cf

                                                    • memory/2380-4-0x0000000010000000-0x000000001002F000-memory.dmp

                                                      Filesize

                                                      188KB

                                                    • memory/2380-2-0x0000000010000000-0x000000001002F000-memory.dmp

                                                      Filesize

                                                      188KB

                                                    • memory/2380-1-0x0000000010000000-0x000000001002F000-memory.dmp

                                                      Filesize

                                                      188KB

                                                    • memory/2380-0-0x0000000010000000-0x000000001002F000-memory.dmp

                                                      Filesize

                                                      188KB

                                                    • memory/2380-12-0x0000000000280000-0x00000000002A9000-memory.dmp

                                                      Filesize

                                                      164KB

                                                    • memory/2552-16-0x0000000000400000-0x0000000000421000-memory.dmp

                                                      Filesize

                                                      132KB

                                                    • memory/2552-15-0x0000000000400000-0x0000000000421000-memory.dmp

                                                      Filesize

                                                      132KB

                                                    • memory/2552-13-0x0000000000400000-0x0000000000421000-memory.dmp

                                                      Filesize

                                                      132KB

                                                    • memory/2552-17-0x0000000000400000-0x0000000000429000-memory.dmp

                                                      Filesize

                                                      164KB

                                                    • memory/2552-20-0x0000000000400000-0x0000000000421000-memory.dmp

                                                      Filesize

                                                      132KB

                                                    • memory/2552-22-0x0000000000400000-0x0000000000421000-memory.dmp

                                                      Filesize

                                                      132KB

                                                    • memory/2552-19-0x0000000000400000-0x0000000000421000-memory.dmp

                                                      Filesize

                                                      132KB

                                                    • memory/2552-29-0x0000000000050000-0x0000000000079000-memory.dmp

                                                      Filesize

                                                      164KB

                                                    • memory/2552-18-0x0000000000360000-0x0000000000361000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2552-14-0x0000000000400000-0x0000000000421000-memory.dmp

                                                      Filesize

                                                      132KB

                                                    • memory/2552-32-0x0000000000050000-0x0000000000079000-memory.dmp

                                                      Filesize

                                                      164KB

                                                    • memory/2736-57-0x00000000000A0000-0x00000000000A1000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2736-70-0x0000000000090000-0x0000000000091000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2736-58-0x0000000000080000-0x0000000000081000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2736-362-0x0000000020010000-0x0000000020022000-memory.dmp

                                                      Filesize

                                                      72KB

                                                    • memory/2736-50-0x0000000000080000-0x0000000000081000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2736-48-0x0000000020010000-0x0000000020022000-memory.dmp

                                                      Filesize

                                                      72KB

                                                    • memory/2736-68-0x0000000020010000-0x0000000020022000-memory.dmp

                                                      Filesize

                                                      72KB

                                                    • memory/2736-64-0x0000000020010000-0x0000000020022000-memory.dmp

                                                      Filesize

                                                      72KB

                                                    • memory/2736-59-0x0000000020010000-0x0000000020022000-memory.dmp

                                                      Filesize

                                                      72KB

                                                    • memory/2780-95-0x0000000020010000-0x000000002001B000-memory.dmp

                                                      Filesize

                                                      44KB

                                                    • memory/2780-96-0x00000000001E0000-0x00000000001E1000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2780-76-0x0000000020010000-0x000000002001B000-memory.dmp

                                                      Filesize

                                                      44KB

                                                    • memory/2780-92-0x0000000020010000-0x000000002001B000-memory.dmp

                                                      Filesize

                                                      44KB

                                                    • memory/2780-93-0x0000000000120000-0x0000000000121000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2780-87-0x0000000020010000-0x000000002001B000-memory.dmp

                                                      Filesize

                                                      44KB

                                                    • memory/2780-94-0x0000000020010000-0x000000002001B000-memory.dmp

                                                      Filesize

                                                      44KB

                                                    • memory/2780-98-0x0000000020010000-0x000000002001B000-memory.dmp

                                                      Filesize

                                                      44KB

                                                    • memory/2780-97-0x00000000777C0000-0x00000000777C1000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2980-74-0x00000000001B0000-0x00000000001B1000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2980-45-0x00000000001A0000-0x00000000001A1000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2980-88-0x00000000777BF000-0x00000000777C0000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2980-86-0x0000000000400000-0x0000000000421000-memory.dmp

                                                      Filesize

                                                      132KB

                                                    • memory/2980-75-0x0000000020010000-0x000000002001B000-memory.dmp

                                                      Filesize

                                                      44KB

                                                    • memory/2980-46-0x00000000777BF000-0x00000000777C0000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2980-615-0x0000000000400000-0x0000000000421000-memory.dmp

                                                      Filesize

                                                      132KB

                                                    • memory/2980-43-0x0000000000400000-0x0000000000429000-memory.dmp

                                                      Filesize

                                                      164KB

                                                    • memory/2980-42-0x0000000000400000-0x0000000000421000-memory.dmp

                                                      Filesize

                                                      132KB