Analysis

  • max time kernel
    120s
  • max time network
    95s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    17-12-2024 00:00

General

  • Target

    0ef40872ce33c49e3c7123a70b5c63bb496a9eebb0fd11888f82a7d1835246acN.dll

  • Size

    287KB

  • MD5

    efbff07c2e71962c8fe0e928c4feaa70

  • SHA1

    7d70d137d39d4b27b40328358f405a42628cc72e

  • SHA256

    0ef40872ce33c49e3c7123a70b5c63bb496a9eebb0fd11888f82a7d1835246ac

  • SHA512

    b2cea60521b3e39e9b126c058c59d904bce54084ed944d4fbad50a4999405acb3c9744fc768a85d1cda0178aefd980c650ef4173936e21003d06382b709f86a7

  • SSDEEP

    3072:fCuuNCRs/Pj03pJEEC9ti9pocimFFVW6E1fZim4v5TRRJBYeBTg4vRPW9vc/Bm6l:fCIGPj038tAgFMldWNX+2ehIRAl

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
  • 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 31 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:480
              • C:\Windows\system32\svchost.exe
                C:\Windows\system32\svchost.exe -k DcomLaunch
                3⤵
                  PID:612
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    4⤵
                      PID:2040
                    • C:\Windows\system32\wbem\wmiprvse.exe
                      C:\Windows\system32\wbem\wmiprvse.exe
                      4⤵
                        PID:112
                      • C:\Windows\system32\wbem\wmiprvse.exe
                        C:\Windows\system32\wbem\wmiprvse.exe -Embedding
                        4⤵
                          PID:2964
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k RPCSS
                        3⤵
                          PID:688
                        • C:\Windows\System32\svchost.exe
                          C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
                          3⤵
                            PID:768
                          • 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:1072
                              • C:\Windows\system32\svchost.exe
                                C:\Windows\system32\svchost.exe -k netsvcs
                                3⤵
                                  PID:860
                                  • \\?\C:\Windows\system32\wbem\WMIADAP.EXE
                                    wmiadap.exe /F /T /R
                                    4⤵
                                      PID:1960
                                  • C:\Windows\system32\svchost.exe
                                    C:\Windows\system32\svchost.exe -k LocalService
                                    3⤵
                                      PID:968
                                    • C:\Windows\system32\svchost.exe
                                      C:\Windows\system32\svchost.exe -k NetworkService
                                      3⤵
                                        PID:272
                                      • C:\Windows\system32\taskhost.exe
                                        "taskhost.exe"
                                        3⤵
                                          PID:1084
                                        • C:\Windows\System32\spoolsv.exe
                                          C:\Windows\System32\spoolsv.exe
                                          3⤵
                                            PID:1092
                                          • C:\Windows\system32\svchost.exe
                                            C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
                                            3⤵
                                              PID:1172
                                            • C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE
                                              "C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE"
                                              3⤵
                                                PID:1516
                                              • C:\Windows\system32\svchost.exe
                                                C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
                                                3⤵
                                                  PID:2052
                                                • C:\Windows\system32\sppsvc.exe
                                                  C:\Windows\system32\sppsvc.exe
                                                  3⤵
                                                    PID:2188
                                                • 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:396
                                                    • C:\Windows\system32\winlogon.exe
                                                      winlogon.exe
                                                      1⤵
                                                        PID:432
                                                      • C:\Windows\Explorer.EXE
                                                        C:\Windows\Explorer.EXE
                                                        1⤵
                                                          PID:1144
                                                          • C:\Windows\system32\rundll32.exe
                                                            rundll32.exe C:\Users\Admin\AppData\Local\Temp\0ef40872ce33c49e3c7123a70b5c63bb496a9eebb0fd11888f82a7d1835246acN.dll,#1
                                                            2⤵
                                                            • Suspicious use of WriteProcessMemory
                                                            PID:2128
                                                            • C:\Windows\SysWOW64\rundll32.exe
                                                              rundll32.exe C:\Users\Admin\AppData\Local\Temp\0ef40872ce33c49e3c7123a70b5c63bb496a9eebb0fd11888f82a7d1835246acN.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:2988
                                                              • C:\Windows\SysWOW64\rundll32mgr.exe
                                                                C:\Windows\SysWOW64\rundll32mgr.exe
                                                                4⤵
                                                                • Executes dropped EXE
                                                                • Loads dropped DLL
                                                                • Drops file in Program Files directory
                                                                • System Location Discovery: System Language Discovery
                                                                • Suspicious use of UnmapMainImage
                                                                • Suspicious use of WriteProcessMemory
                                                                PID:2064
                                                                • 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:2140
                                                                  • 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:2676
                                                                  • 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:1984
                                                              • C:\Windows\SysWOW64\WerFault.exe
                                                                C:\Windows\SysWOW64\WerFault.exe -u -p 2988 -s 224
                                                                4⤵
                                                                • Program crash
                                                                • Suspicious use of AdjustPrivilegeToken
                                                                PID:2700

                                                        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

                                                          253KB

                                                          MD5

                                                          8b5b4d22ce498c2cc9ac575d3c4825c6

                                                          SHA1

                                                          3c0b9a2bcd83d54b1bdde32dc4f016dde6b8d072

                                                          SHA256

                                                          c13823d80479280b467802d2aa0218a6bb3e21c2203545e985b9ca50a0a6ced3

                                                          SHA512

                                                          874ed997e461025ccbe77719faa0b8e9ea9e42ca754ffe20c366225ef6dce754676a33f56ee27c61498b91cb2b771500d0f09e04034a8d8c708bd4ecce09dc84

                                                        • 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

                                                          249KB

                                                          MD5

                                                          53c0eddb061881b81cf984b833a3ad4c

                                                          SHA1

                                                          2741dc311a653eaa90f0710630150120c117b17a

                                                          SHA256

                                                          6f5b4ecae02ccdcafabf0ade75c6173dc3a3cc91871174fde81562a91e7019b4

                                                          SHA512

                                                          b2ddd86880cd9acea84967e42305164ecd3a00fded8dd5fd93ea6e437476125afc12092678f8c354d42a020278c941e52446d7620406a6e68d7aa58b5fd15544

                                                        • \Windows\SysWOW64\rundll32mgr.exe

                                                          Filesize

                                                          120KB

                                                          MD5

                                                          6c5a1f8cb177e400928e970bf3023e42

                                                          SHA1

                                                          df335cb43d37ed50cb198e35b574fe284e70134e

                                                          SHA256

                                                          4e79c0272252c466b18fcace7b7ec9ef1551587d560f2a9697eeba5e3a5cac6f

                                                          SHA512

                                                          767efe61e94933ea7799f78d6cf9d86e7b2494077295915f4a91c605a30e9685ce297d43c61b74d744038a728f91525590c2221230056e2486c79333a0179673

                                                        • memory/1984-90-0x0000000000360000-0x0000000000361000-memory.dmp

                                                          Filesize

                                                          4KB

                                                        • memory/1984-88-0x0000000020010000-0x000000002001B000-memory.dmp

                                                          Filesize

                                                          44KB

                                                        • memory/1984-73-0x0000000020010000-0x000000002001B000-memory.dmp

                                                          Filesize

                                                          44KB

                                                        • memory/1984-84-0x0000000020010000-0x000000002001B000-memory.dmp

                                                          Filesize

                                                          44KB

                                                        • memory/1984-93-0x0000000000370000-0x0000000000371000-memory.dmp

                                                          Filesize

                                                          4KB

                                                        • memory/1984-94-0x0000000020010000-0x000000002001B000-memory.dmp

                                                          Filesize

                                                          44KB

                                                        • memory/1984-92-0x0000000020010000-0x000000002001B000-memory.dmp

                                                          Filesize

                                                          44KB

                                                        • memory/1984-95-0x00000000774A0000-0x00000000774A1000-memory.dmp

                                                          Filesize

                                                          4KB

                                                        • memory/1984-91-0x0000000020010000-0x000000002001B000-memory.dmp

                                                          Filesize

                                                          44KB

                                                        • memory/2064-18-0x0000000000400000-0x0000000000421000-memory.dmp

                                                          Filesize

                                                          132KB

                                                        • memory/2064-10-0x0000000000400000-0x0000000000421000-memory.dmp

                                                          Filesize

                                                          132KB

                                                        • memory/2064-21-0x0000000000400000-0x0000000000421000-memory.dmp

                                                          Filesize

                                                          132KB

                                                        • memory/2064-19-0x0000000000400000-0x0000000000421000-memory.dmp

                                                          Filesize

                                                          132KB

                                                        • memory/2064-13-0x0000000000400000-0x0000000000421000-memory.dmp

                                                          Filesize

                                                          132KB

                                                        • memory/2064-14-0x0000000000400000-0x0000000000421000-memory.dmp

                                                          Filesize

                                                          132KB

                                                        • memory/2064-11-0x0000000000400000-0x0000000000421000-memory.dmp

                                                          Filesize

                                                          132KB

                                                        • memory/2064-15-0x0000000000400000-0x000000000043A000-memory.dmp

                                                          Filesize

                                                          232KB

                                                        • memory/2064-17-0x0000000000150000-0x0000000000151000-memory.dmp

                                                          Filesize

                                                          4KB

                                                        • memory/2140-89-0x000000007749F000-0x00000000774A0000-memory.dmp

                                                          Filesize

                                                          4KB

                                                        • memory/2140-39-0x0000000000400000-0x0000000000421000-memory.dmp

                                                          Filesize

                                                          132KB

                                                        • memory/2140-681-0x0000000000400000-0x0000000000421000-memory.dmp

                                                          Filesize

                                                          132KB

                                                        • memory/2140-43-0x0000000020010000-0x0000000020022000-memory.dmp

                                                          Filesize

                                                          72KB

                                                        • memory/2140-35-0x0000000000400000-0x000000000043A000-memory.dmp

                                                          Filesize

                                                          232KB

                                                        • memory/2140-42-0x000000007749F000-0x00000000774A0000-memory.dmp

                                                          Filesize

                                                          4KB

                                                        • memory/2140-41-0x0000000000400000-0x0000000000421000-memory.dmp

                                                          Filesize

                                                          132KB

                                                        • memory/2140-71-0x0000000000060000-0x0000000000061000-memory.dmp

                                                          Filesize

                                                          4KB

                                                        • memory/2140-72-0x0000000020010000-0x000000002001B000-memory.dmp

                                                          Filesize

                                                          44KB

                                                        • memory/2140-40-0x0000000000160000-0x0000000000161000-memory.dmp

                                                          Filesize

                                                          4KB

                                                        • memory/2140-83-0x0000000000400000-0x0000000000421000-memory.dmp

                                                          Filesize

                                                          132KB

                                                        • memory/2676-46-0x0000000000080000-0x0000000000081000-memory.dmp

                                                          Filesize

                                                          4KB

                                                        • memory/2676-44-0x0000000020010000-0x0000000020022000-memory.dmp

                                                          Filesize

                                                          72KB

                                                        • memory/2676-59-0x0000000000090000-0x0000000000091000-memory.dmp

                                                          Filesize

                                                          4KB

                                                        • memory/2676-55-0x0000000020010000-0x0000000020022000-memory.dmp

                                                          Filesize

                                                          72KB

                                                        • memory/2676-67-0x0000000020010000-0x0000000020022000-memory.dmp

                                                          Filesize

                                                          72KB

                                                        • memory/2676-62-0x0000000020010000-0x0000000020022000-memory.dmp

                                                          Filesize

                                                          72KB

                                                        • memory/2676-60-0x0000000020010000-0x0000000020022000-memory.dmp

                                                          Filesize

                                                          72KB

                                                        • memory/2676-53-0x00000000000A0000-0x00000000000A1000-memory.dmp

                                                          Filesize

                                                          4KB

                                                        • memory/2676-54-0x0000000000080000-0x0000000000081000-memory.dmp

                                                          Filesize

                                                          4KB

                                                        • memory/2676-415-0x0000000020010000-0x0000000020022000-memory.dmp

                                                          Filesize

                                                          72KB

                                                        • memory/2988-418-0x0000000010000000-0x000000001004C000-memory.dmp

                                                          Filesize

                                                          304KB

                                                        • memory/2988-8-0x0000000010000000-0x000000001004C000-memory.dmp

                                                          Filesize

                                                          304KB

                                                        • memory/2988-9-0x0000000010000000-0x000000001004C000-memory.dmp

                                                          Filesize

                                                          304KB

                                                        • memory/2988-12-0x0000000000200000-0x000000000023A000-memory.dmp

                                                          Filesize

                                                          232KB