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
    20-09-2022 16:53

General

  • Target

    34881d8425c4344ef20acea47336e89a.exe

  • Size

    3.6MB

  • MD5

    34881d8425c4344ef20acea47336e89a

  • SHA1

    00a4da44c4dfe13124198e914e5a8a7bbe4dcd15

  • SHA256

    c712ab1138d0dbccc4857d5b285ae54d75dd109452c22ad661b8869c5b9bbddf

  • SHA512

    9e4f32f17b097a241c86ca756b526bf98afb0728ccfc710edcca97955a253db59a53c4d143d2738b4cf7915404523e7958f7f9a85d03f8ac70e1df6f66f17639

  • SSDEEP

    98304:JDqPoBhz1aRxcSUDk36SAI593R8yAVp2:JDqPe1Cxcxk3ZAIzR8yc4

Malware Config

Signatures

  • Wannacry

    WannaCry is a ransomware cryptoworm.

  • Contacts a large (1247) 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 NetworkService
          2⤵
            PID:296
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
            2⤵
              PID:1780
            • C:\Windows\system32\sppsvc.exe
              C:\Windows\system32\sppsvc.exe
              2⤵
                PID:1128
              • C:\Windows\system32\taskhost.exe
                "taskhost.exe"
                2⤵
                  PID:1240
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
                  2⤵
                    PID:1028
                  • C:\Windows\System32\spoolsv.exe
                    C:\Windows\System32\spoolsv.exe
                    2⤵
                      PID:276
                    • C:\Windows\system32\svchost.exe
                      C:\Windows\system32\svchost.exe -k netsvcs
                      2⤵
                        PID:868
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k LocalService
                        2⤵
                          PID:828
                        • C:\Windows\System32\svchost.exe
                          C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
                          2⤵
                            PID:792
                          • C:\Windows\System32\svchost.exe
                            C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
                            2⤵
                              PID:716
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k RPCSS
                              2⤵
                                PID:660
                              • C:\Windows\system32\svchost.exe
                                C:\Windows\system32\svchost.exe -k DcomLaunch
                                2⤵
                                  PID:584
                                  • C:\Windows\system32\DllHost.exe
                                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                                    3⤵
                                      PID:1020
                                  • C:\Users\Admin\AppData\Local\Temp\34881d8425c4344ef20acea47336e89a.exe
                                    C:\Users\Admin\AppData\Local\Temp\34881d8425c4344ef20acea47336e89a.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:1756
                                • 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
                                        • 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:2004
                                          • C:\Windows\Explorer.EXE
                                            C:\Windows\Explorer.EXE
                                            1⤵
                                              PID:1392
                                              • C:\Users\Admin\AppData\Local\Temp\34881d8425c4344ef20acea47336e89a.exe
                                                "C:\Users\Admin\AppData\Local\Temp\34881d8425c4344ef20acea47336e89a.exe"
                                                2⤵
                                                • Drops file in Windows directory
                                                • Suspicious behavior: EnumeratesProcesses
                                                • Suspicious behavior: MapViewOfSection
                                                • Suspicious use of AdjustPrivilegeToken
                                                • Suspicious use of WriteProcessMemory
                                                PID:1736
                                            • C:\Windows\system32\Dwm.exe
                                              "C:\Windows\system32\Dwm.exe"
                                              1⤵
                                                PID:1336

                                              Network

                                              MITRE ATT&CK Matrix ATT&CK v6

                                              Discovery

                                              Network Service Scanning

                                              1
                                              T1046

                                              Replay Monitor

                                              Loading Replay Monitor...

                                              Downloads

                                              • memory/1736-54-0x0000000075A81000-0x0000000075A83000-memory.dmp
                                                Filesize

                                                8KB

                                              • memory/1736-56-0x0000000000400000-0x0000000000A82000-memory.dmp
                                                Filesize

                                                6.5MB

                                              • memory/1736-57-0x000000007EF70000-0x000000007EF7C000-memory.dmp
                                                Filesize

                                                48KB

                                              • memory/1736-58-0x0000000000400000-0x0000000000A82000-memory.dmp
                                                Filesize

                                                6.5MB

                                              • memory/1756-59-0x0000000000400000-0x0000000000A82000-memory.dmp
                                                Filesize

                                                6.5MB

                                              • memory/1756-60-0x0000000000400000-0x0000000000A82000-memory.dmp
                                                Filesize

                                                6.5MB