Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    12/02/2024, 12:43

General

  • Target

    2024-02-12_049f7dda1170f67efc11d2b1868fca4e_wannacry.exe

  • Size

    3.6MB

  • MD5

    049f7dda1170f67efc11d2b1868fca4e

  • SHA1

    cd2c7518ba26f3e089334a5fea81c2f8a8f94eaa

  • SHA256

    14a3686a69e1439ac08979b29ab9cbeadb6d2f409f28496fbe30ae429f44f6d9

  • SHA512

    122f81ea1dbc7549346a89dbf1b81d09197459c7a1743add2919d0e75a63ed7a82d389ab24b7f79a1c070f8023372aa37fa6f2bd0ecb57e50322186fa6bc3330

  • SSDEEP

    49152:GnAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAAs:CDqPoBhz1aRxcSUDk36SA

Malware Config

Signatures

  • Wannacry

    WannaCry is a ransomware cryptoworm.

  • Contacts a large (3174) 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
  • Modifies data under HKEY_USERS 24 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 43 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\sppsvc.exe
    C:\Windows\system32\sppsvc.exe
    1⤵
      PID:1656
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
      1⤵
        PID:1596
      • C:\Windows\system32\DllHost.exe
        C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
        1⤵
          PID:1016
        • C:\Windows\system32\svchost.exe
          C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
          1⤵
            PID:1160
          • C:\Windows\Explorer.EXE
            C:\Windows\Explorer.EXE
            1⤵
              PID:1140
              • C:\Users\Admin\AppData\Local\Temp\2024-02-12_049f7dda1170f67efc11d2b1868fca4e_wannacry.exe
                "C:\Users\Admin\AppData\Local\Temp\2024-02-12_049f7dda1170f67efc11d2b1868fca4e_wannacry.exe"
                2⤵
                • Drops file in Windows directory
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious behavior: MapViewOfSection
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                PID:1848
            • C:\Windows\system32\Dwm.exe
              "C:\Windows\system32\Dwm.exe"
              1⤵
                PID:1116
              • C:\Windows\system32\taskhost.exe
                "taskhost.exe"
                1⤵
                  PID:1052
                • C:\Windows\System32\spoolsv.exe
                  C:\Windows\System32\spoolsv.exe
                  1⤵
                    PID:1032
                  • C:\Windows\system32\svchost.exe
                    C:\Windows\system32\svchost.exe -k NetworkService
                    1⤵
                      PID:272
                    • C:\Windows\system32\svchost.exe
                      C:\Windows\system32\svchost.exe -k LocalService
                      1⤵
                        PID:964
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k netsvcs
                        1⤵
                          PID:852
                        • C:\Windows\System32\svchost.exe
                          C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
                          1⤵
                            PID:816
                          • C:\Windows\System32\svchost.exe
                            C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
                            1⤵
                              PID:760
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k RPCSS
                              1⤵
                                PID:676
                              • C:\Windows\system32\svchost.exe
                                C:\Windows\system32\svchost.exe -k DcomLaunch
                                1⤵
                                  PID:596
                                • C:\Windows\system32\lsm.exe
                                  C:\Windows\system32\lsm.exe
                                  1⤵
                                    PID:500
                                  • C:\Windows\system32\lsass.exe
                                    C:\Windows\system32\lsass.exe
                                    1⤵
                                      PID:492
                                    • C:\Windows\system32\services.exe
                                      C:\Windows\system32\services.exe
                                      1⤵
                                        PID:476
                                        • C:\Users\Admin\AppData\Local\Temp\2024-02-12_049f7dda1170f67efc11d2b1868fca4e_wannacry.exe
                                          C:\Users\Admin\AppData\Local\Temp\2024-02-12_049f7dda1170f67efc11d2b1868fca4e_wannacry.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:2668
                                      • C:\Windows\system32\winlogon.exe
                                        winlogon.exe
                                        1⤵
                                          PID:432
                                        • 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\wininit.exe
                                            wininit.exe
                                            1⤵
                                              PID:384

                                            Network

                                                  MITRE ATT&CK Enterprise v15

                                                  Replay Monitor

                                                  Loading Replay Monitor...

                                                  Downloads

                                                  • memory/1848-0-0x0000000000400000-0x0000000000A73000-memory.dmp

                                                    Filesize

                                                    6.4MB

                                                  • memory/1848-2-0x000000007787F000-0x0000000077880000-memory.dmp

                                                    Filesize

                                                    4KB

                                                  • memory/1848-1-0x0000000077880000-0x0000000077881000-memory.dmp

                                                    Filesize

                                                    4KB

                                                  • memory/1848-7-0x000000007EF70000-0x000000007EF7C000-memory.dmp

                                                    Filesize

                                                    48KB

                                                  • memory/1848-6-0x0000000077880000-0x0000000077881000-memory.dmp

                                                    Filesize

                                                    4KB

                                                  • memory/1848-5-0x0000000000400000-0x0000000000A73000-memory.dmp

                                                    Filesize

                                                    6.4MB

                                                  • memory/2668-3-0x0000000000400000-0x0000000000A73000-memory.dmp

                                                    Filesize

                                                    6.4MB

                                                  • memory/2668-8-0x0000000000400000-0x0000000000A73000-memory.dmp

                                                    Filesize

                                                    6.4MB