Analysis

  • max time kernel
    144s
  • max time network
    80s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    06/11/2022, 18:31

General

  • Target

    87a77c88dd0e9ba3a3d5a3e79e989c867abdd6416864418792b3b199c459a236.exe

  • Size

    124KB

  • MD5

    0d517e9e1e9a25ff6569a68f4e068190

  • SHA1

    a409d09ea6e1d24e5b4aae0ae03d07d8b75d48ff

  • SHA256

    87a77c88dd0e9ba3a3d5a3e79e989c867abdd6416864418792b3b199c459a236

  • SHA512

    2c06a096ea3f4f174914dd6005fcf2337542e0eba29677a8de457daaafc47b7f67e6e8225db0983bdfb9625c99df15ee1f8052d34542c46c2d3be36f54b34412

  • SSDEEP

    1536:wgkD6vVUs4GuXRvhcSpZmtVVIEf4jYFLdz7hCdHIuafXP4Js3hwbO8i2y8i2:wgFWphvhcSMH9f4jIL7Cdo7Osh/5

Score
6/10

Malware Config

Signatures

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 16 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 directory 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious behavior: MapViewOfSection 22 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 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 netsvcs
          2⤵
            PID:884
            • \\?\C:\Windows\system32\wbem\WMIADAP.EXE
              wmiadap.exe /F /T /R
              3⤵
                PID:2036
            • C:\Windows\system32\taskhost.exe
              "taskhost.exe"
              2⤵
                PID:1104
              • C:\Windows\system32\sppsvc.exe
                C:\Windows\system32\sppsvc.exe
                2⤵
                  PID:1680
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
                  2⤵
                    PID:1052
                  • C:\Windows\system32\svchost.exe
                    C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
                    2⤵
                      PID:1084
                    • C:\Windows\System32\spoolsv.exe
                      C:\Windows\System32\spoolsv.exe
                      2⤵
                        PID:276
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k NetworkService
                        2⤵
                          PID:284
                        • C:\Windows\system32\svchost.exe
                          C:\Windows\system32\svchost.exe -k LocalService
                          2⤵
                            PID:844
                          • C:\Windows\System32\svchost.exe
                            C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
                            2⤵
                              PID:808
                            • C:\Windows\System32\svchost.exe
                              C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
                              2⤵
                                PID:748
                              • C:\Windows\system32\svchost.exe
                                C:\Windows\system32\svchost.exe -k RPCSS
                                2⤵
                                  PID:664
                                • C:\Windows\system32\svchost.exe
                                  C:\Windows\system32\svchost.exe -k DcomLaunch
                                  2⤵
                                    PID:584
                                • 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\Explorer.EXE
                                          C:\Windows\Explorer.EXE
                                          1⤵
                                            PID:1216
                                            • C:\Users\Admin\AppData\Local\Temp\87a77c88dd0e9ba3a3d5a3e79e989c867abdd6416864418792b3b199c459a236.exe
                                              "C:\Users\Admin\AppData\Local\Temp\87a77c88dd0e9ba3a3d5a3e79e989c867abdd6416864418792b3b199c459a236.exe"
                                              2⤵
                                              • Adds Run key to start application
                                              • Enumerates connected drives
                                              • Drops file in System32 directory
                                              • Suspicious use of AdjustPrivilegeToken
                                              • Suspicious use of WriteProcessMemory
                                              PID:1048
                                              • C:\Users\Admin\AppData\Local\Temp\87a77c88dd0e9ba3a3d5a3e79e989c867abdd6416864418792b3b199c459a236.exe
                                                "C:\Users\Admin\AppData\Local\Temp\87a77c88dd0e9ba3a3d5a3e79e989c867abdd6416864418792b3b199c459a236.exe"
                                                3⤵
                                                • Suspicious behavior: EnumeratesProcesses
                                                • Suspicious behavior: MapViewOfSection
                                                • Suspicious use of AdjustPrivilegeToken
                                                • Suspicious use of WriteProcessMemory
                                                PID:1988
                                          • C:\Windows\system32\Dwm.exe
                                            "C:\Windows\system32\Dwm.exe"
                                            1⤵
                                              PID:1184

                                            Network

                                            MITRE ATT&CK Enterprise v6

                                            Replay Monitor

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                                            Downloads

                                            • memory/1048-54-0x0000000076171000-0x0000000076173000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/1048-59-0x0000000001000000-0x0000000001023000-memory.dmp

                                              Filesize

                                              140KB

                                            • memory/1048-60-0x0000000000200000-0x0000000000223000-memory.dmp

                                              Filesize

                                              140KB

                                            • memory/1048-62-0x000000007EFA0000-0x000000007EFA8000-memory.dmp

                                              Filesize

                                              32KB

                                            • memory/1048-75-0x000000007EFA0000-0x000000007EFA8000-memory.dmp

                                              Filesize

                                              32KB

                                            • memory/1048-76-0x0000000001000000-0x0000000001023000-memory.dmp

                                              Filesize

                                              140KB

                                            • memory/1048-77-0x0000000000200000-0x0000000000223000-memory.dmp

                                              Filesize

                                              140KB

                                            • memory/1216-57-0x0000000002A20000-0x0000000002A21000-memory.dmp

                                              Filesize

                                              4KB

                                            • memory/1988-61-0x0000000001000000-0x0000000001023000-memory.dmp

                                              Filesize

                                              140KB