Analysis

  • max time kernel
    150s
  • max time network
    143s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    17-12-2024 01:12

General

  • Target

    9b288eda44b79787a3bc2afe673c735ba27405d88242306ee174c48a9e76ff46.dll

  • Size

    496KB

  • MD5

    d7b399149f64c090b6c255f2879ce047

  • SHA1

    3d9fa465988b60fd0453ee1a6c97fa59c36c237f

  • SHA256

    9b288eda44b79787a3bc2afe673c735ba27405d88242306ee174c48a9e76ff46

  • SHA512

    861872a8a7e3c443bf3a00cc97e84566c9b3828d733174c8b872890790f46f0c34a987965bd10f49341712095a0ba9c7acf88617edfb5542ac6b2c028a02f6c1

  • SSDEEP

    12288:mehnaNPpSVZmNxRCwnwm3W3OHIIf5+UUHz1z8:meh0PpS6NxNnwYeOHXRUHhz8

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 10 IoCs

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

  • Drops file in Program Files directory 64 IoCs
  • Program crash 1 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 37 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\System32\smss.exe
    \SystemRoot\System32\smss.exe
    1⤵
      PID:256
    • C:\Windows\system32\csrss.exe
      %SystemRoot%\system32\csrss.exe ObjectDirectory=\Windows SharedSection=1024,20480,768 Windows=On SubSystemType=Windows ServerDll=basesrv,1 ServerDll=winsrv:UserServerDllInitialization,3 ServerDll=winsrv:ConServerDllInitialization,2 ServerDll=sxssrv,4 ProfileControl=Off MaxRequestThreads=16
      1⤵
        PID:332
      • C:\Windows\system32\wininit.exe
        wininit.exe
        1⤵
          PID:380
          • C:\Windows\system32\services.exe
            C:\Windows\system32\services.exe
            2⤵
              PID:472
              • C:\Windows\system32\svchost.exe
                C:\Windows\system32\svchost.exe -k DcomLaunch
                3⤵
                  PID:596
                  • C:\Windows\system32\wbem\wmiprvse.exe
                    C:\Windows\system32\wbem\wmiprvse.exe
                    4⤵
                      PID:1228
                    • C:\Windows\system32\DllHost.exe
                      C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                      4⤵
                        PID:1376
                    • C:\Windows\system32\svchost.exe
                      C:\Windows\system32\svchost.exe -k RPCSS
                      3⤵
                        PID:672
                      • 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:812
                            • C:\Windows\system32\Dwm.exe
                              "C:\Windows\system32\Dwm.exe"
                              4⤵
                                PID:1108
                            • 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:976
                                • C:\Windows\system32\svchost.exe
                                  C:\Windows\system32\svchost.exe -k NetworkService
                                  3⤵
                                    PID:296
                                  • C:\Windows\System32\spoolsv.exe
                                    C:\Windows\System32\spoolsv.exe
                                    3⤵
                                      PID:1028
                                    • C:\Windows\system32\taskhost.exe
                                      "taskhost.exe"
                                      3⤵
                                        PID:1052
                                      • C:\Windows\system32\svchost.exe
                                        C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
                                        3⤵
                                          PID:1132
                                        • C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE
                                          "C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE"
                                          3⤵
                                            PID:2016
                                          • C:\Windows\system32\svchost.exe
                                            C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
                                            3⤵
                                              PID:1616
                                            • C:\Windows\system32\sppsvc.exe
                                              C:\Windows\system32\sppsvc.exe
                                              3⤵
                                                PID:268
                                            • C:\Windows\system32\lsass.exe
                                              C:\Windows\system32\lsass.exe
                                              2⤵
                                                PID:488
                                              • C:\Windows\system32\lsm.exe
                                                C:\Windows\system32\lsm.exe
                                                2⤵
                                                  PID:496
                                              • C:\Windows\system32\csrss.exe
                                                %SystemRoot%\system32\csrss.exe ObjectDirectory=\Windows SharedSection=1024,20480,768 Windows=On SubSystemType=Windows ServerDll=basesrv,1 ServerDll=winsrv:UserServerDllInitialization,3 ServerDll=winsrv:ConServerDllInitialization,2 ServerDll=sxssrv,4 ProfileControl=Off MaxRequestThreads=16
                                                1⤵
                                                  PID:388
                                                • C:\Windows\system32\winlogon.exe
                                                  winlogon.exe
                                                  1⤵
                                                    PID:428
                                                  • C:\Windows\Explorer.EXE
                                                    C:\Windows\Explorer.EXE
                                                    1⤵
                                                      PID:1160
                                                      • C:\Windows\system32\rundll32.exe
                                                        rundll32.exe C:\Users\Admin\AppData\Local\Temp\9b288eda44b79787a3bc2afe673c735ba27405d88242306ee174c48a9e76ff46.dll,#1
                                                        2⤵
                                                        • Suspicious use of WriteProcessMemory
                                                        PID:1868
                                                        • C:\Windows\SysWOW64\rundll32.exe
                                                          rundll32.exe C:\Users\Admin\AppData\Local\Temp\9b288eda44b79787a3bc2afe673c735ba27405d88242306ee174c48a9e76ff46.dll,#1
                                                          3⤵
                                                          • Loads dropped DLL
                                                          • Drops file in System32 directory
                                                          • System Location Discovery: System Language Discovery
                                                          • Suspicious use of AdjustPrivilegeToken
                                                          • Suspicious use of WriteProcessMemory
                                                          PID:2316
                                                          • 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:2632
                                                            • 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:2956
                                                              • 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:2584
                                                              • 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:1176
                                                          • C:\Windows\SysWOW64\WerFault.exe
                                                            C:\Windows\SysWOW64\WerFault.exe -u -p 2316 -s 224
                                                            4⤵
                                                            • Program crash
                                                            • Suspicious use of AdjustPrivilegeToken
                                                            PID:2832

                                                    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

                                                      240KB

                                                      MD5

                                                      8f6294617a7cef8563f4c7aa310d813f

                                                      SHA1

                                                      94b894cdf5c39f19aadfbf026acc21ff39ff267c

                                                      SHA256

                                                      b3873dd71f65bcb4be8588ade9d23edbb34966e9b0def29e76ffc7059dcfe645

                                                      SHA512

                                                      4f7a788a516a71ec090cc0c5813fbc50f18182325808c65dd1fca7f027c4da6c12eae2cbee143e6d963c33e75b425be606f19b4ed4a1c436494f379e991752c4

                                                    • 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

                                                      236KB

                                                      MD5

                                                      e25793e3200a0756337796501f486565

                                                      SHA1

                                                      c23bc9a1b2790a2db3edb41bf641330c64fe5e8b

                                                      SHA256

                                                      a8a622b81364f997ad419ac29cb3cc4cd471e6ab7920a47fb2e8f97ae1103550

                                                      SHA512

                                                      e57e73c822c1a6a25fdf85aaf5bc93ef81091d5d5b3c1bb326b9d26778b352f1dacee662d68c97b2ee9d6ba1d72c6e95d250a7a1bbc1b06f18532d72d673c6e5

                                                    • C:\Windows\SysWOW64\rundll32mgr.exe

                                                      Filesize

                                                      113KB

                                                      MD5

                                                      d27ec67fd410aa4098dfbcd49c426f99

                                                      SHA1

                                                      24221d42fee511bac9e2e91ba9711bce91ae0756

                                                      SHA256

                                                      8129bf0a0833d714965c4e06e7b7b2787c949c109a32e14775018443781e64ad

                                                      SHA512

                                                      f0f5167dbb87b9f5f97b5e50bf8d6c3051581816eae2e511b046146b06127c8a26d0424fa4ef91f30fcd36ba00b03dce50a4b0ccf34b673e0ef0dbebbf87ba3e

                                                    • memory/1176-95-0x0000000020010000-0x000000002001B000-memory.dmp

                                                      Filesize

                                                      44KB

                                                    • memory/1176-96-0x00000000776A0000-0x00000000776A1000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/1176-74-0x0000000020010000-0x000000002001B000-memory.dmp

                                                      Filesize

                                                      44KB

                                                    • memory/1176-88-0x0000000020010000-0x000000002001B000-memory.dmp

                                                      Filesize

                                                      44KB

                                                    • memory/1176-84-0x0000000020010000-0x000000002001B000-memory.dmp

                                                      Filesize

                                                      44KB

                                                    • memory/1176-91-0x00000000001E0000-0x00000000001E1000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/1176-92-0x0000000020010000-0x000000002001B000-memory.dmp

                                                      Filesize

                                                      44KB

                                                    • memory/1176-93-0x0000000020010000-0x000000002001B000-memory.dmp

                                                      Filesize

                                                      44KB

                                                    • memory/1176-94-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2316-1-0x0000000010000000-0x000000001007E000-memory.dmp

                                                      Filesize

                                                      504KB

                                                    • memory/2316-9-0x0000000010000000-0x000000001007E000-memory.dmp

                                                      Filesize

                                                      504KB

                                                    • memory/2316-415-0x0000000010000000-0x000000001007E000-memory.dmp

                                                      Filesize

                                                      504KB

                                                    • memory/2316-10-0x0000000000230000-0x000000000028B000-memory.dmp

                                                      Filesize

                                                      364KB

                                                    • memory/2316-4-0x0000000010000000-0x000000001007E000-memory.dmp

                                                      Filesize

                                                      504KB

                                                    • memory/2584-61-0x0000000020010000-0x0000000020022000-memory.dmp

                                                      Filesize

                                                      72KB

                                                    • memory/2584-47-0x0000000000080000-0x0000000000081000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2584-45-0x0000000020010000-0x0000000020022000-memory.dmp

                                                      Filesize

                                                      72KB

                                                    • memory/2584-55-0x0000000000080000-0x0000000000081000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2584-56-0x0000000020010000-0x0000000020022000-memory.dmp

                                                      Filesize

                                                      72KB

                                                    • memory/2584-416-0x0000000020010000-0x0000000020022000-memory.dmp

                                                      Filesize

                                                      72KB

                                                    • memory/2584-60-0x0000000000090000-0x0000000000091000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2584-54-0x00000000000A0000-0x00000000000A1000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2584-63-0x0000000020010000-0x0000000020022000-memory.dmp

                                                      Filesize

                                                      72KB

                                                    • memory/2584-68-0x0000000020010000-0x0000000020022000-memory.dmp

                                                      Filesize

                                                      72KB

                                                    • memory/2632-31-0x0000000000430000-0x000000000048B000-memory.dmp

                                                      Filesize

                                                      364KB

                                                    • memory/2632-17-0x0000000000140000-0x0000000000141000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2632-12-0x0000000000400000-0x000000000045B000-memory.dmp

                                                      Filesize

                                                      364KB

                                                    • memory/2632-21-0x0000000000400000-0x0000000000421000-memory.dmp

                                                      Filesize

                                                      132KB

                                                    • memory/2632-19-0x0000000000400000-0x0000000000421000-memory.dmp

                                                      Filesize

                                                      132KB

                                                    • memory/2632-18-0x0000000000400000-0x0000000000421000-memory.dmp

                                                      Filesize

                                                      132KB

                                                    • memory/2632-13-0x0000000000400000-0x0000000000421000-memory.dmp

                                                      Filesize

                                                      132KB

                                                    • memory/2632-14-0x0000000000400000-0x0000000000421000-memory.dmp

                                                      Filesize

                                                      132KB

                                                    • memory/2632-15-0x0000000000400000-0x0000000000421000-memory.dmp

                                                      Filesize

                                                      132KB

                                                    • memory/2632-16-0x0000000000400000-0x0000000000421000-memory.dmp

                                                      Filesize

                                                      132KB

                                                    • memory/2956-89-0x0000000000400000-0x0000000000421000-memory.dmp

                                                      Filesize

                                                      132KB

                                                    • memory/2956-41-0x0000000000400000-0x0000000000421000-memory.dmp

                                                      Filesize

                                                      132KB

                                                    • memory/2956-90-0x000000007769F000-0x00000000776A0000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2956-40-0x00000000001B0000-0x00000000001B1000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2956-669-0x0000000000400000-0x0000000000421000-memory.dmp

                                                      Filesize

                                                      132KB

                                                    • memory/2956-72-0x0000000000060000-0x0000000000061000-memory.dmp

                                                      Filesize

                                                      4KB

                                                    • memory/2956-42-0x000000007769F000-0x00000000776A0000-memory.dmp

                                                      Filesize

                                                      4KB