Analysis

  • max time kernel
    151s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    25/10/2022, 12:40

General

  • Target

    1fdc7d8452d7c01758b5a1e1072b6f6cbff8192b7f91ebf213e88e508e75b648.exe

  • Size

    3.6MB

  • MD5

    b89330359dd840b1e784ac93cc0061d6

  • SHA1

    0cb1406104b19aed40903c004fb91d7ef62133fe

  • SHA256

    1fdc7d8452d7c01758b5a1e1072b6f6cbff8192b7f91ebf213e88e508e75b648

  • SHA512

    8c1e5a5a05f63cbcd05fd7d432141ccb8d0cb2d48590b9a86506b49c945406b24c7dce18305b542b6e58208ab6b14b786f553d55cb2f44138ed7480bacb33d55

  • SSDEEP

    98304:JDqPoBhz1aRxOk36SAEdhvxWa9P593R8yP:JDqPe1CxOk3ZAEUadzR8U

Malware Config

Signatures

  • Wannacry

    WannaCry is a ransomware cryptoworm.

  • Detects WannaCry Ransomware 3 IoCs
  • Contacts a large (1297) amount of remote hosts 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
  • Modifies data under HKEY_USERS 24 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 44 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\lsass.exe
    C:\Windows\system32\lsass.exe
    1⤵
      PID:480
    • C:\Windows\system32\services.exe
      C:\Windows\system32\services.exe
      1⤵
        PID:464
        • C:\Windows\system32\svchost.exe
          C:\Windows\system32\svchost.exe -k RPCSS
          2⤵
            PID:676
          • C:\Windows\System32\spoolsv.exe
            C:\Windows\System32\spoolsv.exe
            2⤵
              PID:540
            • C:\Windows\system32\svchost.exe
              C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
              2⤵
                PID:764
              • C:\Windows\system32\sppsvc.exe
                C:\Windows\system32\sppsvc.exe
                2⤵
                  PID:1800
                • C:\Windows\system32\taskhost.exe
                  "taskhost.exe"
                  2⤵
                    PID:1228
                  • C:\Windows\system32\svchost.exe
                    C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
                    2⤵
                      PID:1056
                    • C:\Windows\system32\svchost.exe
                      C:\Windows\system32\svchost.exe -k NetworkService
                      2⤵
                        PID:296
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k netsvcs
                        2⤵
                          PID:884
                        • C:\Windows\system32\svchost.exe
                          C:\Windows\system32\svchost.exe -k LocalService
                          2⤵
                            PID:860
                          • C:\Windows\System32\svchost.exe
                            C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
                            2⤵
                              PID:812
                            • C:\Windows\System32\svchost.exe
                              C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
                              2⤵
                                PID:752
                              • C:\Windows\system32\svchost.exe
                                C:\Windows\system32\svchost.exe -k DcomLaunch
                                2⤵
                                  PID:600
                                  • C:\Windows\system32\DllHost.exe
                                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                                    3⤵
                                      PID:980
                                  • C:\Users\Admin\AppData\Local\Temp\1fdc7d8452d7c01758b5a1e1072b6f6cbff8192b7f91ebf213e88e508e75b648.exe
                                    C:\Users\Admin\AppData\Local\Temp\1fdc7d8452d7c01758b5a1e1072b6f6cbff8192b7f91ebf213e88e508e75b648.exe -m security
                                    2⤵
                                    • Drops file in System32 directory
                                    • Modifies data under HKEY_USERS
                                    • Suspicious behavior: EnumeratesProcesses
                                    • Suspicious behavior: MapViewOfSection
                                    • Suspicious use of AdjustPrivilegeToken
                                    PID:1124
                                • C:\Windows\system32\winlogon.exe
                                  winlogon.exe
                                  1⤵
                                    PID:416
                                  • 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:380
                                    • C:\Windows\system32\wininit.exe
                                      wininit.exe
                                      1⤵
                                        PID:368
                                        • C:\Windows\system32\lsm.exe
                                          C:\Windows\system32\lsm.exe
                                          2⤵
                                            PID:488
                                        • \\?\C:\Windows\system32\wbem\WMIADAP.EXE
                                          wmiadap.exe /F /T /R
                                          1⤵
                                            PID:1988
                                          • C:\Windows\Explorer.EXE
                                            C:\Windows\Explorer.EXE
                                            1⤵
                                              PID:1360
                                              • C:\Users\Admin\AppData\Local\Temp\1fdc7d8452d7c01758b5a1e1072b6f6cbff8192b7f91ebf213e88e508e75b648.exe
                                                "C:\Users\Admin\AppData\Local\Temp\1fdc7d8452d7c01758b5a1e1072b6f6cbff8192b7f91ebf213e88e508e75b648.exe"
                                                2⤵
                                                • Drops file in Windows directory
                                                • Suspicious behavior: EnumeratesProcesses
                                                • Suspicious behavior: MapViewOfSection
                                                • Suspicious use of AdjustPrivilegeToken
                                                • Suspicious use of WriteProcessMemory
                                                PID:1500
                                            • C:\Windows\system32\Dwm.exe
                                              "C:\Windows\system32\Dwm.exe"
                                              1⤵
                                                PID:1316

                                              Network

                                                    MITRE ATT&CK Enterprise v6

                                                    Replay Monitor

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                                                    Downloads

                                                    • memory/1124-58-0x0000000000400000-0x0000000000A73000-memory.dmp

                                                      Filesize

                                                      6.4MB

                                                    • memory/1124-59-0x0000000000400000-0x0000000000A73000-memory.dmp

                                                      Filesize

                                                      6.4MB

                                                    • memory/1500-54-0x0000000075B41000-0x0000000075B43000-memory.dmp

                                                      Filesize

                                                      8KB

                                                    • memory/1500-56-0x0000000000400000-0x0000000000A73000-memory.dmp

                                                      Filesize

                                                      6.4MB

                                                    • memory/1500-57-0x000000007EF70000-0x000000007EF7C000-memory.dmp

                                                      Filesize

                                                      48KB