Analysis

  • max time kernel
    154s
  • max time network
    183s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    25-08-2022 19:33

General

  • Target

    b986859e09e5eda5c996a7368d75cd63.exe

  • Size

    3.6MB

  • MD5

    b986859e09e5eda5c996a7368d75cd63

  • SHA1

    2c62d02457e5d1ff5e0652047b77d5518b02f1d9

  • SHA256

    7e6d06f5424093737b32866e419b18a9c9e9493311def0e9b2c8e4158ced4f8d

  • SHA512

    3c7b5acb380f5c9aed9046f34acb39e74c5625e047b34ab26262525a53eb44e6a701aaefe5d541f2dd13130f6b801b48271225ccb599b742257f637267f4e9d1

  • SSDEEP

    98304:a9PoBhz1aRxcSUDk36SAEdhvw3R8yAVp2H:a9Pe1Cxcxk3ZAEGR8yc4H

Malware Config

Signatures

  • Wannacry

    WannaCry is a ransomware cryptoworm.

  • Contacts a large (885) 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\wbem\WMIADAP.EXE
      wmiadap.exe /F /T /R
      1⤵
        PID:1808
      • C:\Windows\system32\sppsvc.exe
        C:\Windows\system32\sppsvc.exe
        1⤵
          PID:960
        • C:\Windows\system32\svchost.exe
          C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
          1⤵
            PID:1680
          • C:\Users\Admin\AppData\Local\Temp\b986859e09e5eda5c996a7368d75cd63.exe
            "C:\Users\Admin\AppData\Local\Temp\b986859e09e5eda5c996a7368d75cd63.exe"
            1⤵
            • Drops file in Windows directory
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious behavior: MapViewOfSection
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:1652
          • C:\Windows\Explorer.EXE
            C:\Windows\Explorer.EXE
            1⤵
              PID:1388
            • C:\Windows\system32\Dwm.exe
              "C:\Windows\system32\Dwm.exe"
              1⤵
                PID:1332
              • C:\Windows\system32\taskhost.exe
                "taskhost.exe"
                1⤵
                  PID:1256
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
                  1⤵
                    PID:1028
                  • C:\Windows\System32\spoolsv.exe
                    C:\Windows\System32\spoolsv.exe
                    1⤵
                      PID:272
                    • C:\Windows\system32\svchost.exe
                      C:\Windows\system32\svchost.exe -k NetworkService
                      1⤵
                        PID:292
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k netsvcs
                        1⤵
                          PID:864
                        • C:\Windows\system32\svchost.exe
                          C:\Windows\system32\svchost.exe -k LocalService
                          1⤵
                            PID:832
                          • C:\Windows\System32\svchost.exe
                            C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
                            1⤵
                              PID:792
                            • C:\Windows\System32\svchost.exe
                              C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
                              1⤵
                                PID:736
                              • C:\Windows\system32\svchost.exe
                                C:\Windows\system32\svchost.exe -k RPCSS
                                1⤵
                                  PID:660
                                • C:\Windows\system32\svchost.exe
                                  C:\Windows\system32\svchost.exe -k DcomLaunch
                                  1⤵
                                    PID:580
                                    • C:\Windows\system32\DllHost.exe
                                      C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                                      2⤵
                                        PID:936
                                    • C:\Windows\system32\lsm.exe
                                      C:\Windows\system32\lsm.exe
                                      1⤵
                                        PID:488
                                      • C:\Windows\system32\services.exe
                                        C:\Windows\system32\services.exe
                                        1⤵
                                          PID:464
                                          • C:\Users\Admin\AppData\Local\Temp\b986859e09e5eda5c996a7368d75cd63.exe
                                            C:\Users\Admin\AppData\Local\Temp\b986859e09e5eda5c996a7368d75cd63.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:1120
                                        • C:\Windows\system32\winlogon.exe
                                          winlogon.exe
                                          1⤵
                                            PID:420
                                          • 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:372

                                              Network

                                              MITRE ATT&CK Matrix ATT&CK v6

                                              Discovery

                                              Network Service Scanning

                                              1
                                              T1046

                                              Replay Monitor

                                              Loading Replay Monitor...

                                              Downloads

                                              • memory/1120-57-0x0000000000400000-0x0000000000A70000-memory.dmp
                                                Filesize

                                                6.4MB

                                              • memory/1652-54-0x0000000075D01000-0x0000000075D03000-memory.dmp
                                                Filesize

                                                8KB

                                              • memory/1652-55-0x0000000000400000-0x0000000000A70000-memory.dmp
                                                Filesize

                                                6.4MB

                                              • memory/1652-58-0x0000000000400000-0x0000000000A70000-memory.dmp
                                                Filesize

                                                6.4MB

                                              • memory/1652-59-0x000000007EF80000-0x000000007EF89000-memory.dmp
                                                Filesize

                                                36KB