Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20240611-en
  • resource tags

    arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
  • submitted
    23-06-2024 11:23

General

  • Target

    2024-06-23_b41496a6c3e634019030ac6798ca3711_wannacry.exe

  • Size

    3.6MB

  • MD5

    b41496a6c3e634019030ac6798ca3711

  • SHA1

    1ad0991f76e5ba2931ec0d4274a263d5d6eef10f

  • SHA256

    6d03ccb3ebf7533a3d530061a02c26dcbabe30672e12c252cdc763454a6080d2

  • SHA512

    4f47d23768043e6af198a766f982ada06b855e48a952654319fde9c1c6cebbe2803a89232aa5548e4401306c88ac2dc93ba4564122e5b5055fdb21f9e67101df

  • SSDEEP

    98304:1DqPoBhz1aRpcSUDk36SAEdhvxWa9P593R8yAV6R:1DqPe1Cpcxk3ZAEUadzR8yca

Malware Config

Signatures

  • Wannacry

    WannaCry is a ransomware cryptoworm.

  • Contacts a large (3230) 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\wininit.exe
    wininit.exe
    1⤵
      PID:368
      • C:\Windows\system32\services.exe
        C:\Windows\system32\services.exe
        2⤵
          PID:468
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k DcomLaunch
            3⤵
              PID:584
              • C:\Windows\system32\DllHost.exe
                C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                4⤵
                  PID:804
              • C:\Windows\system32\svchost.exe
                C:\Windows\system32\svchost.exe -k RPCSS
                3⤵
                  PID:660
                • C:\Windows\System32\svchost.exe
                  C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
                  3⤵
                    PID:728
                  • C:\Windows\System32\svchost.exe
                    C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
                    3⤵
                      PID:796
                      • C:\Windows\system32\Dwm.exe
                        "C:\Windows\system32\Dwm.exe"
                        4⤵
                          PID:1152
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k netsvcs
                        3⤵
                          PID:824
                        • 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:272
                            • C:\Windows\System32\spoolsv.exe
                              C:\Windows\System32\spoolsv.exe
                              3⤵
                                PID:112
                              • C:\Windows\system32\svchost.exe
                                C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
                                3⤵
                                  PID:1056
                                • C:\Windows\system32\taskhost.exe
                                  "taskhost.exe"
                                  3⤵
                                    PID:1096
                                  • C:\Windows\system32\svchost.exe
                                    C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
                                    3⤵
                                      PID:2360
                                    • C:\Windows\system32\sppsvc.exe
                                      C:\Windows\system32\sppsvc.exe
                                      3⤵
                                        PID:2052
                                      • C:\Users\Admin\AppData\Local\Temp\2024-06-23_b41496a6c3e634019030ac6798ca3711_wannacry.exe
                                        C:\Users\Admin\AppData\Local\Temp\2024-06-23_b41496a6c3e634019030ac6798ca3711_wannacry.exe -m security
                                        3⤵
                                        • Drops file in System32 directory
                                        • Modifies data under HKEY_USERS
                                        • Suspicious behavior: EnumeratesProcesses
                                        • Suspicious behavior: MapViewOfSection
                                        • Suspicious use of AdjustPrivilegeToken
                                        PID:3036
                                    • C:\Windows\system32\lsass.exe
                                      C:\Windows\system32\lsass.exe
                                      2⤵
                                        PID:476
                                      • C:\Windows\system32\lsm.exe
                                        C:\Windows\system32\lsm.exe
                                        2⤵
                                          PID:484
                                      • 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\winlogon.exe
                                          winlogon.exe
                                          1⤵
                                            PID:420
                                          • C:\Windows\Explorer.EXE
                                            C:\Windows\Explorer.EXE
                                            1⤵
                                              PID:1192
                                              • C:\Users\Admin\AppData\Local\Temp\2024-06-23_b41496a6c3e634019030ac6798ca3711_wannacry.exe
                                                "C:\Users\Admin\AppData\Local\Temp\2024-06-23_b41496a6c3e634019030ac6798ca3711_wannacry.exe"
                                                2⤵
                                                • Drops file in Windows directory
                                                • Suspicious behavior: EnumeratesProcesses
                                                • Suspicious behavior: MapViewOfSection
                                                • Suspicious use of AdjustPrivilegeToken
                                                • Suspicious use of WriteProcessMemory
                                                PID:2960

                                            Network

                                            MITRE ATT&CK Enterprise v15

                                            Replay Monitor

                                            Loading Replay Monitor...

                                            Downloads

                                            • memory/2960-0-0x0000000000400000-0x0000000000A72000-memory.dmp

                                              Filesize

                                              6.4MB

                                            • memory/2960-2-0x0000000076F2F000-0x0000000076F30000-memory.dmp

                                              Filesize

                                              4KB

                                            • memory/2960-1-0x0000000076F30000-0x0000000076F31000-memory.dmp

                                              Filesize

                                              4KB

                                            • memory/2960-7-0x000000007EF70000-0x000000007EF7C000-memory.dmp

                                              Filesize

                                              48KB

                                            • memory/2960-6-0x0000000076F2F000-0x0000000076F30000-memory.dmp

                                              Filesize

                                              4KB

                                            • memory/2960-5-0x0000000076F30000-0x0000000076F31000-memory.dmp

                                              Filesize

                                              4KB

                                            • memory/2960-9-0x000000007EF70000-0x000000007EF7C000-memory.dmp

                                              Filesize

                                              48KB

                                            • memory/2960-8-0x0000000000400000-0x0000000000A72000-memory.dmp

                                              Filesize

                                              6.4MB

                                            • memory/3036-3-0x0000000000400000-0x0000000000A72000-memory.dmp

                                              Filesize

                                              6.4MB

                                            • memory/3036-10-0x0000000000400000-0x0000000000A72000-memory.dmp

                                              Filesize

                                              6.4MB