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Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    13/10/2024, 05:22

General

  • Target

    fa5e1f31af7fe5b087b6e362d761e8f1eb564f18ad209d83a7cbeff2da833133.exe

  • Size

    3.6MB

  • MD5

    abd75877b4b5c002afda11a2a9c10ef0

  • SHA1

    e8366f9a2d9eea8f7843c708f44dba20e04c8c4c

  • SHA256

    fa5e1f31af7fe5b087b6e362d761e8f1eb564f18ad209d83a7cbeff2da833133

  • SHA512

    ea02b36d5cad9ca66cf2c98f371fe2b929f18e1e9d1330cd6aaaba6f6da3483f7e08930f6c2458de1214ae3f7d3454fd9e13a1583a649d813d08898bcb67975a

  • SSDEEP

    98304:9DqPoBhz1aRxcSUDk36SAEdhvl3R8yAVp2:9DqPe1Cxcxk3ZAEBR8yc4

Malware Config

Signatures

  • Wannacry

    WannaCry is a ransomware cryptoworm.

  • Contacts a large (3309) 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 48 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:384
    • C:\Windows\system32\wininit.exe
      wininit.exe
      1⤵
        PID:392
        • C:\Windows\system32\services.exe
          C:\Windows\system32\services.exe
          2⤵
            PID:476
            • C:\Windows\system32\svchost.exe
              C:\Windows\system32\svchost.exe -k DcomLaunch
              3⤵
                PID:592
                • C:\Windows\system32\wbem\wmiprvse.exe
                  C:\Windows\system32\wbem\wmiprvse.exe
                  4⤵
                    PID:824
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    4⤵
                      PID:1196
                  • C:\Windows\system32\svchost.exe
                    C:\Windows\system32\svchost.exe -k RPCSS
                    3⤵
                      PID:668
                    • C:\Windows\System32\svchost.exe
                      C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
                      3⤵
                        PID:756
                      • 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:1172
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k netsvcs
                            3⤵
                              PID:848
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k LocalService
                              3⤵
                                PID:960
                              • C:\Windows\system32\svchost.exe
                                C:\Windows\system32\svchost.exe -k NetworkService
                                3⤵
                                  PID:236
                                • C:\Windows\System32\spoolsv.exe
                                  C:\Windows\System32\spoolsv.exe
                                  3⤵
                                    PID:344
                                  • C:\Windows\system32\svchost.exe
                                    C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
                                    3⤵
                                      PID:1064
                                    • 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:2036
                                        • C:\Windows\system32\svchost.exe
                                          C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
                                          3⤵
                                            PID:2128
                                          • C:\Windows\system32\sppsvc.exe
                                            C:\Windows\system32\sppsvc.exe
                                            3⤵
                                              PID:1700
                                            • C:\Users\Admin\AppData\Local\Temp\fa5e1f31af7fe5b087b6e362d761e8f1eb564f18ad209d83a7cbeff2da833133.exe
                                              C:\Users\Admin\AppData\Local\Temp\fa5e1f31af7fe5b087b6e362d761e8f1eb564f18ad209d83a7cbeff2da833133.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:2812
                                          • C:\Windows\system32\lsass.exe
                                            C:\Windows\system32\lsass.exe
                                            2⤵
                                              PID:492
                                            • C:\Windows\system32\lsm.exe
                                              C:\Windows\system32\lsm.exe
                                              2⤵
                                                PID:500
                                            • C:\Windows\system32\winlogon.exe
                                              winlogon.exe
                                              1⤵
                                                PID:432
                                              • C:\Windows\Explorer.EXE
                                                C:\Windows\Explorer.EXE
                                                1⤵
                                                  PID:1200
                                                  • C:\Users\Admin\AppData\Local\Temp\fa5e1f31af7fe5b087b6e362d761e8f1eb564f18ad209d83a7cbeff2da833133.exe
                                                    "C:\Users\Admin\AppData\Local\Temp\fa5e1f31af7fe5b087b6e362d761e8f1eb564f18ad209d83a7cbeff2da833133.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:2088
                                                • C:\Users\Admin\AppData\Local\Temp\1756510892\zmstage.exe
                                                  C:\Users\Admin\AppData\Local\Temp\1756510892\zmstage.exe
                                                  1⤵
                                                    PID:3052

                                                  Network

                                                  MITRE ATT&CK Enterprise v15

                                                  Replay Monitor

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                                                  Downloads

                                                  • memory/2088-0-0x0000000000400000-0x0000000000A72000-memory.dmp

                                                    Filesize

                                                    6.4MB

                                                  • memory/2088-2-0x000000007790F000-0x0000000077910000-memory.dmp

                                                    Filesize

                                                    4KB

                                                  • memory/2088-1-0x0000000077910000-0x0000000077911000-memory.dmp

                                                    Filesize

                                                    4KB

                                                  • memory/2088-6-0x000000007EF70000-0x000000007EF7C000-memory.dmp

                                                    Filesize

                                                    48KB

                                                  • memory/2088-5-0x000000007790F000-0x0000000077910000-memory.dmp

                                                    Filesize

                                                    4KB

                                                  • memory/2088-4-0x0000000077910000-0x0000000077911000-memory.dmp

                                                    Filesize

                                                    4KB

                                                  • memory/2088-9-0x000000007EF70000-0x000000007EF7C000-memory.dmp

                                                    Filesize

                                                    48KB

                                                  • memory/2088-8-0x0000000000400000-0x0000000000A72000-memory.dmp

                                                    Filesize

                                                    6.4MB

                                                  • memory/2812-3-0x0000000000400000-0x0000000000A72000-memory.dmp

                                                    Filesize

                                                    6.4MB

                                                  • memory/2812-10-0x0000000000400000-0x0000000000A72000-memory.dmp

                                                    Filesize

                                                    6.4MB