Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    20-08-2024 05:43

General

  • Target

    2024-08-20_222f63098e8d51de8701151c137bab38_wannacry.exe

  • Size

    5.0MB

  • MD5

    222f63098e8d51de8701151c137bab38

  • SHA1

    899450401bfd5cb2650be8f92435bd8e84b17a08

  • SHA256

    c8c319a1e3fd02d463fe556cd3017abb2a012a3cccfb4bcb95650e7b785a971e

  • SHA512

    ed0b0fe4616e57718a4a53ff1b7bbca71e9c94eb4486adb546da3d366e32e3af576b7bcb707c6a6889db5d6431dbac91e53f0b76c1d5bbbadcd08b2cc14cee25

  • SSDEEP

    49152:RnAQqMSPbcBVQej3qINRx+TSqTdX1HkQo6SA:1DqPoBhTqaRxcSUDk36SA

Malware Config

Signatures

  • Wannacry

    WannaCry is a ransomware cryptoworm.

  • Contacts a large (3300) amount of remote hosts 1 TTPs

    This may indicate a network scan to discover remotely running services.

  • Creates a large amount of network flows 1 TTPs

    This may indicate a network scan to discover remotely running services.

  • Drops file in System32 directory 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies data under HKEY_USERS 24 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 47 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • 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:392
        • C:\Windows\system32\services.exe
          C:\Windows\system32\services.exe
          2⤵
            PID:476
            • C:\Windows\system32\svchost.exe
              C:\Windows\system32\svchost.exe -k DcomLaunch
              3⤵
                PID:592
                • C:\Windows\system32\wbem\wmiprvse.exe
                  C:\Windows\system32\wbem\wmiprvse.exe
                  4⤵
                    PID:1628
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    4⤵
                      PID:796
                  • C:\Windows\system32\svchost.exe
                    C:\Windows\system32\svchost.exe -k RPCSS
                    3⤵
                      PID:676
                    • C:\Windows\System32\svchost.exe
                      C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
                      3⤵
                        PID:756
                      • 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:1184
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k netsvcs
                            3⤵
                              PID:836
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k LocalService
                              3⤵
                                PID:964
                              • C:\Windows\system32\svchost.exe
                                C:\Windows\system32\svchost.exe -k NetworkService
                                3⤵
                                  PID:276
                                • C:\Windows\System32\spoolsv.exe
                                  C:\Windows\System32\spoolsv.exe
                                  3⤵
                                    PID:108
                                  • C:\Windows\system32\svchost.exe
                                    C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
                                    3⤵
                                      PID:1028
                                    • C:\Windows\system32\taskhost.exe
                                      "taskhost.exe"
                                      3⤵
                                        PID:1116
                                      • C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE
                                        "C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE"
                                        3⤵
                                          PID:1496
                                        • C:\Windows\system32\svchost.exe
                                          C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
                                          3⤵
                                            PID:2208
                                          • C:\Windows\system32\sppsvc.exe
                                            C:\Windows\system32\sppsvc.exe
                                            3⤵
                                              PID:2300
                                            • C:\Users\Admin\AppData\Local\Temp\2024-08-20_222f63098e8d51de8701151c137bab38_wannacry.exe
                                              C:\Users\Admin\AppData\Local\Temp\2024-08-20_222f63098e8d51de8701151c137bab38_wannacry.exe -m security
                                              3⤵
                                              • Drops file in System32 directory
                                              • System Location Discovery: System Language Discovery
                                              • Modifies data under HKEY_USERS
                                              • Suspicious behavior: EnumeratesProcesses
                                              • Suspicious behavior: MapViewOfSection
                                              • Suspicious use of AdjustPrivilegeToken
                                              PID:2216
                                          • C:\Windows\system32\lsass.exe
                                            C:\Windows\system32\lsass.exe
                                            2⤵
                                              PID:492
                                            • C:\Windows\system32\lsm.exe
                                              C:\Windows\system32\lsm.exe
                                              2⤵
                                                PID:500
                                            • C:\Windows\system32\winlogon.exe
                                              winlogon.exe
                                              1⤵
                                                PID:424
                                              • C:\Windows\Explorer.EXE
                                                C:\Windows\Explorer.EXE
                                                1⤵
                                                  PID:1256
                                                  • C:\Users\Admin\AppData\Local\Temp\2024-08-20_222f63098e8d51de8701151c137bab38_wannacry.exe
                                                    "C:\Users\Admin\AppData\Local\Temp\2024-08-20_222f63098e8d51de8701151c137bab38_wannacry.exe"
                                                    2⤵
                                                    • Drops file in Windows directory
                                                    • System Location Discovery: System Language Discovery
                                                    • Suspicious behavior: EnumeratesProcesses
                                                    • Suspicious behavior: MapViewOfSection
                                                    • Suspicious use of AdjustPrivilegeToken
                                                    • Suspicious use of WriteProcessMemory
                                                    PID:1048

                                                Network

                                                MITRE ATT&CK Enterprise v15

                                                Replay Monitor

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                                                Downloads

                                                • memory/1048-2-0x000000007707F000-0x0000000077080000-memory.dmp

                                                  Filesize

                                                  4KB

                                                • memory/1048-1-0x0000000077080000-0x0000000077081000-memory.dmp

                                                  Filesize

                                                  4KB

                                                • memory/1048-0-0x0000000000400000-0x0000000000A70000-memory.dmp

                                                  Filesize

                                                  6.4MB

                                                • memory/1048-6-0x000000007EF80000-0x000000007EF8A000-memory.dmp

                                                  Filesize

                                                  40KB

                                                • memory/1048-8-0x000000007EF80000-0x000000007EF8A000-memory.dmp

                                                  Filesize

                                                  40KB

                                                • memory/1048-7-0x000000007707F000-0x0000000077080000-memory.dmp

                                                  Filesize

                                                  4KB

                                                • memory/1048-5-0x0000000077080000-0x0000000077081000-memory.dmp

                                                  Filesize

                                                  4KB

                                                • memory/1048-9-0x0000000000400000-0x0000000000A70000-memory.dmp

                                                  Filesize

                                                  6.4MB

                                                • memory/2216-3-0x0000000000400000-0x0000000000A70000-memory.dmp

                                                  Filesize

                                                  6.4MB

                                                • memory/2216-10-0x0000000000400000-0x0000000000A70000-memory.dmp

                                                  Filesize

                                                  6.4MB