Analysis

  • max time kernel
    151s
  • max time network
    115s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    11/10/2022, 17:05

General

  • Target

    f305b742abf868513d8a7d07c6cf8e08414412b54e23792137866c04380fd0ff.exe

  • Size

    512KB

  • MD5

    151dc144173f9c523c6056a895f1eba0

  • SHA1

    6c938b8c8096cd5c31ca0dce2ff5eed0e822fbfc

  • SHA256

    f305b742abf868513d8a7d07c6cf8e08414412b54e23792137866c04380fd0ff

  • SHA512

    fbebb4284a37aa8df4bce6180379bd1ef72372dfa80f5c3409a7df874344fed0d8c1fee456eca22661e0b0616572d81defc0b465599239cc18e904ce9d3aa863

  • SSDEEP

    6144:3niHo6nx2QY7slAFRWNBfrrWK0uTNRiuooqp6pfwWm+g70INT:3So6xg5kN530xuooqMVwsgnN

Score
8/10

Malware Config

Signatures

  • Adds policy Run key to start application 2 TTPs 2 IoCs
  • Disables RegEdit via registry modification 1 IoCs
  • Adds Run key to start application 2 TTPs 3 IoCs
  • Enumerates connected drives 3 TTPs 22 IoCs

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

  • Modifies WinLogon 2 TTPs 1 IoCs
  • AutoIT Executable 2 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 5 IoCs
  • Drops file in Windows directory 7 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 23 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 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:876
            • \\?\C:\Windows\system32\wbem\WMIADAP.EXE
              wmiadap.exe /F /T /R
              3⤵
                PID:1284
            • C:\Windows\System32\spoolsv.exe
              C:\Windows\System32\spoolsv.exe
              2⤵
                PID:1032
              • C:\Windows\system32\svchost.exe
                C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
                2⤵
                  PID:1092
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
                  2⤵
                    PID:1864
                  • C:\Windows\system32\taskhost.exe
                    "taskhost.exe"
                    2⤵
                      PID:1116
                    • C:\Windows\system32\svchost.exe
                      C:\Windows\system32\svchost.exe -k NetworkService
                      2⤵
                        PID:388
                      • C:\Windows\system32\sppsvc.exe
                        C:\Windows\system32\sppsvc.exe
                        2⤵
                          PID:1820
                        • C:\Windows\system32\svchost.exe
                          C:\Windows\system32\svchost.exe -k LocalService
                          2⤵
                            PID:840
                          • C:\Windows\System32\svchost.exe
                            C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
                            2⤵
                              PID:812
                            • C:\Windows\System32\svchost.exe
                              C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
                              2⤵
                                PID:768
                              • C:\Windows\system32\svchost.exe
                                C:\Windows\system32\svchost.exe -k RPCSS
                                2⤵
                                  PID:680
                                • C:\Windows\system32\svchost.exe
                                  C:\Windows\system32\svchost.exe -k DcomLaunch
                                  2⤵
                                    PID:604
                                • 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:368
                                        • C:\Windows\system32\lsm.exe
                                          C:\Windows\system32\lsm.exe
                                          2⤵
                                            PID:488
                                        • C:\Windows\system32\Dwm.exe
                                          "C:\Windows\system32\Dwm.exe"
                                          1⤵
                                            PID:1176
                                          • C:\Windows\Explorer.EXE
                                            C:\Windows\Explorer.EXE
                                            1⤵
                                              PID:1216
                                              • C:\Users\Admin\AppData\Local\Temp\f305b742abf868513d8a7d07c6cf8e08414412b54e23792137866c04380fd0ff.exe
                                                "C:\Users\Admin\AppData\Local\Temp\f305b742abf868513d8a7d07c6cf8e08414412b54e23792137866c04380fd0ff.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:1752
                                                • C:\Users\Admin\AppData\Local\Temp\f305b742abf868513d8a7d07c6cf8e08414412b54e23792137866c04380fd0ff.exe
                                                  "C:\Users\Admin\AppData\Local\Temp\f305b742abf868513d8a7d07c6cf8e08414412b54e23792137866c04380fd0ff.exe"
                                                  3⤵
                                                  • Adds policy Run key to start application
                                                  • Disables RegEdit via registry modification
                                                  • Adds Run key to start application
                                                  • Modifies WinLogon
                                                  • Drops file in System32 directory
                                                  • Drops file in Windows directory
                                                  • Modifies Internet Explorer settings
                                                  • Suspicious behavior: EnumeratesProcesses
                                                  • Suspicious behavior: MapViewOfSection
                                                  • Suspicious use of AdjustPrivilegeToken
                                                  • Suspicious use of FindShellTrayWindow
                                                  • Suspicious use of SendNotifyMessage
                                                  • Suspicious use of WriteProcessMemory
                                                  PID:1720
                                            • C:\Windows\system32\wbem\wmiprvse.exe
                                              C:\Windows\system32\wbem\wmiprvse.exe
                                              1⤵
                                                PID:2008

                                              Network

                                              MITRE ATT&CK Enterprise v6

                                              Replay Monitor

                                              Loading Replay Monitor...

                                              Downloads

                                              • memory/1216-57-0x00000000021D0000-0x00000000021D1000-memory.dmp

                                                Filesize

                                                4KB

                                              • memory/1720-61-0x0000000000400000-0x00000000004A7000-memory.dmp

                                                Filesize

                                                668KB

                                              • memory/1720-63-0x00000000022D0000-0x00000000022E0000-memory.dmp

                                                Filesize

                                                64KB

                                              • memory/1720-64-0x0000000000400000-0x00000000004A7000-memory.dmp

                                                Filesize

                                                668KB

                                              • memory/1752-54-0x0000000075931000-0x0000000075933000-memory.dmp

                                                Filesize

                                                8KB

                                              • memory/1752-59-0x0000000000400000-0x00000000004A7000-memory.dmp

                                                Filesize

                                                668KB

                                              • memory/1752-60-0x00000000001D0000-0x0000000000277000-memory.dmp

                                                Filesize

                                                668KB

                                              • memory/1752-62-0x00000000FFFA0000-0x00000000FFFAB000-memory.dmp

                                                Filesize

                                                44KB

                                              • memory/1752-65-0x00000000FFFA0000-0x00000000FFFAB000-memory.dmp

                                                Filesize

                                                44KB

                                              • memory/1752-66-0x0000000000400000-0x00000000004A7000-memory.dmp

                                                Filesize

                                                668KB