Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    16-08-2024 00:49

General

  • Target

    2024-08-16_8518c617e933befb7ca357ec0636a08b_wannacry.exe

  • Size

    3.6MB

  • MD5

    8518c617e933befb7ca357ec0636a08b

  • SHA1

    51bb030e033e50e1d58174c90474de0aef831e91

  • SHA256

    27c0d3f68332da43a8d5b5ae15fe9b8715724bc58da6df5e9e2538cd7f7099cd

  • SHA512

    6111ea1fbbf8f6b86efb8990f0efbc9d6bf785ef12effdbdb0beae1c7fa1c2f85b0fb372110b559ce96eeeee2d68d8839430c79d1fee68f86e865be55a27fadf

  • SSDEEP

    24576:8bLgddQhfdmMSirYbcMNgef0QeQjG/soAdNL2kQg6eX6SA:8nAQqMSPbcBVQej/UNqkQo6SA

Malware Config

Signatures

  • Wannacry

    WannaCry is a ransomware cryptoworm.

  • Contacts a large (3291) 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:372
    • C:\Windows\system32\wininit.exe
      wininit.exe
      1⤵
        PID:380
        • C:\Windows\system32\services.exe
          C:\Windows\system32\services.exe
          2⤵
            PID:464
            • C:\Windows\system32\svchost.exe
              C:\Windows\system32\svchost.exe -k DcomLaunch
              3⤵
                PID:596
                • C:\Windows\system32\wbem\wmiprvse.exe
                  C:\Windows\system32\wbem\wmiprvse.exe
                  4⤵
                    PID:1564
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    4⤵
                      PID:1552
                  • 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:760
                      • C:\Windows\System32\svchost.exe
                        C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
                        3⤵
                          PID:808
                          • C:\Windows\system32\Dwm.exe
                            "C:\Windows\system32\Dwm.exe"
                            4⤵
                              PID:1156
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k netsvcs
                            3⤵
                              PID:844
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k LocalService
                              3⤵
                                PID:984
                              • C:\Windows\system32\svchost.exe
                                C:\Windows\system32\svchost.exe -k NetworkService
                                3⤵
                                  PID:284
                                • C:\Windows\System32\spoolsv.exe
                                  C:\Windows\System32\spoolsv.exe
                                  3⤵
                                    PID:376
                                  • C:\Windows\system32\svchost.exe
                                    C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
                                    3⤵
                                      PID:1048
                                    • C:\Windows\system32\taskhost.exe
                                      "taskhost.exe"
                                      3⤵
                                        PID:1112
                                      • C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE
                                        "C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE"
                                        3⤵
                                          PID:1320
                                        • C:\Windows\system32\svchost.exe
                                          C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
                                          3⤵
                                            PID:2012
                                          • C:\Windows\system32\sppsvc.exe
                                            C:\Windows\system32\sppsvc.exe
                                            3⤵
                                              PID:1480
                                            • C:\Users\Admin\AppData\Local\Temp\2024-08-16_8518c617e933befb7ca357ec0636a08b_wannacry.exe
                                              C:\Users\Admin\AppData\Local\Temp\2024-08-16_8518c617e933befb7ca357ec0636a08b_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:2184
                                          • C:\Windows\system32\lsass.exe
                                            C:\Windows\system32\lsass.exe
                                            2⤵
                                              PID:480
                                            • C:\Windows\system32\lsm.exe
                                              C:\Windows\system32\lsm.exe
                                              2⤵
                                                PID:488
                                            • C:\Windows\system32\winlogon.exe
                                              winlogon.exe
                                              1⤵
                                                PID:408
                                              • C:\Windows\Explorer.EXE
                                                C:\Windows\Explorer.EXE
                                                1⤵
                                                  PID:1188
                                                  • C:\Users\Admin\AppData\Local\Temp\2024-08-16_8518c617e933befb7ca357ec0636a08b_wannacry.exe
                                                    "C:\Users\Admin\AppData\Local\Temp\2024-08-16_8518c617e933befb7ca357ec0636a08b_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:2316

                                                Network

                                                MITRE ATT&CK Enterprise v15

                                                Replay Monitor

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                                                Downloads

                                                • memory/2184-3-0x0000000000400000-0x0000000000A70000-memory.dmp

                                                  Filesize

                                                  6.4MB

                                                • memory/2184-9-0x0000000000400000-0x0000000000A70000-memory.dmp

                                                  Filesize

                                                  6.4MB

                                                • memory/2316-0-0x0000000000400000-0x0000000000A70000-memory.dmp

                                                  Filesize

                                                  6.4MB

                                                • memory/2316-2-0x0000000077A3F000-0x0000000077A40000-memory.dmp

                                                  Filesize

                                                  4KB

                                                • memory/2316-1-0x0000000077A40000-0x0000000077A41000-memory.dmp

                                                  Filesize

                                                  4KB

                                                • memory/2316-7-0x0000000077A3F000-0x0000000077A40000-memory.dmp

                                                  Filesize

                                                  4KB

                                                • memory/2316-6-0x000000007EF80000-0x000000007EF89000-memory.dmp

                                                  Filesize

                                                  36KB

                                                • memory/2316-5-0x0000000077A40000-0x0000000077A41000-memory.dmp

                                                  Filesize

                                                  4KB

                                                • memory/2316-8-0x0000000000400000-0x0000000000A70000-memory.dmp

                                                  Filesize

                                                  6.4MB