Analysis

  • max time kernel
    172s
  • max time network
    105s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    06-11-2022 06:28

General

  • Target

    426a548249bc3cafcf347ab32636f999c4dcd84598d7add7f3cce5816e978e79.exe

  • Size

    500KB

  • MD5

    3347552aa09c4c82643bb8208f10dfe0

  • SHA1

    455c324106cce3ea37fc3620bcacd96311f4d1ab

  • SHA256

    426a548249bc3cafcf347ab32636f999c4dcd84598d7add7f3cce5816e978e79

  • SHA512

    6c98c94e39dc9b6672dee53298cd32bd2af79df4dd93258c693514a311560a6bf04e2efed4d26d431eceb8ee30c11694cbfd361471752e8370ede694de91a789

  • SSDEEP

    12288:e+vMwQh85td43o3XD9b3wgGY8QKqRWFn5:e+EwFtdXD1ggGY8F15

Score
6/10

Malware Config

Signatures

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 22 IoCs

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

  • Drops file in System32 directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: MapViewOfSection 23 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\lsass.exe
    C:\Windows\system32\lsass.exe
    1⤵
      PID:476
    • C:\Windows\system32\services.exe
      C:\Windows\system32\services.exe
      1⤵
        PID:460
        • 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 LocalServiceNoNetwork
            2⤵
              PID:1048
            • C:\Windows\system32\taskhost.exe
              "taskhost.exe"
              2⤵
                PID:1108
              • C:\Windows\system32\svchost.exe
                C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
                2⤵
                  PID:1668
                • C:\Windows\system32\sppsvc.exe
                  C:\Windows\system32\sppsvc.exe
                  2⤵
                    PID:1872
                  • C:\Windows\System32\spoolsv.exe
                    C:\Windows\System32\spoolsv.exe
                    2⤵
                      PID:360
                    • C:\Windows\system32\svchost.exe
                      C:\Windows\system32\svchost.exe -k netsvcs
                      2⤵
                        PID:864
                        • \\?\C:\Windows\system32\wbem\WMIADAP.EXE
                          wmiadap.exe /F /T /R
                          3⤵
                            PID:2032
                        • C:\Windows\system32\svchost.exe
                          C:\Windows\system32\svchost.exe -k LocalService
                          2⤵
                            PID:824
                          • C:\Windows\System32\svchost.exe
                            C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
                            2⤵
                              PID:796
                            • C:\Windows\System32\svchost.exe
                              C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
                              2⤵
                                PID:744
                              • C:\Windows\system32\svchost.exe
                                C:\Windows\system32\svchost.exe -k RPCSS
                                2⤵
                                  PID:656
                                • C:\Windows\system32\svchost.exe
                                  C:\Windows\system32\svchost.exe -k DcomLaunch
                                  2⤵
                                    PID:576
                                • C:\Windows\system32\winlogon.exe
                                  winlogon.exe
                                  1⤵
                                    PID:416
                                  • 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:380
                                    • C:\Windows\system32\wininit.exe
                                      wininit.exe
                                      1⤵
                                        PID:368
                                        • C:\Windows\system32\lsm.exe
                                          C:\Windows\system32\lsm.exe
                                          2⤵
                                            PID:484
                                        • C:\Windows\Explorer.EXE
                                          C:\Windows\Explorer.EXE
                                          1⤵
                                            PID:1208
                                            • C:\Users\Admin\AppData\Local\Temp\426a548249bc3cafcf347ab32636f999c4dcd84598d7add7f3cce5816e978e79.exe
                                              "C:\Users\Admin\AppData\Local\Temp\426a548249bc3cafcf347ab32636f999c4dcd84598d7add7f3cce5816e978e79.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:1080
                                              • C:\Users\Admin\AppData\Local\Temp\426a548249bc3cafcf347ab32636f999c4dcd84598d7add7f3cce5816e978e79.exe
                                                "C:\Users\Admin\AppData\Local\Temp\426a548249bc3cafcf347ab32636f999c4dcd84598d7add7f3cce5816e978e79.exe"
                                                3⤵
                                                • 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:1176
                                            • C:\Windows\system32\wbem\wmiprvse.exe
                                              C:\Windows\system32\wbem\wmiprvse.exe
                                              1⤵
                                                PID:1476

                                              Network

                                              MITRE ATT&CK Enterprise v6

                                              Replay Monitor

                                              Loading Replay Monitor...

                                              Downloads

                                              • memory/1080-54-0x0000000076411000-0x0000000076413000-memory.dmp

                                                Filesize

                                                8KB

                                              • memory/1080-57-0x0000000000400000-0x0000000000483000-memory.dmp

                                                Filesize

                                                524KB

                                              • memory/1080-58-0x0000000000490000-0x0000000000513000-memory.dmp

                                                Filesize

                                                524KB

                                              • memory/1080-63-0x000000007EFA0000-0x000000007EFAC000-memory.dmp

                                                Filesize

                                                48KB

                                              • memory/1080-64-0x0000000000400000-0x0000000000483000-memory.dmp

                                                Filesize

                                                524KB

                                              • memory/1080-67-0x000000007EFA0000-0x000000007EFAC000-memory.dmp

                                                Filesize

                                                48KB

                                              • memory/1208-60-0x0000000002780000-0x0000000002781000-memory.dmp

                                                Filesize

                                                4KB

                                              • memory/1736-59-0x0000000000400000-0x0000000000483000-memory.dmp

                                                Filesize

                                                524KB

                                              • memory/1736-62-0x00000000003E0000-0x00000000003F0000-memory.dmp

                                                Filesize

                                                64KB

                                              • memory/1736-65-0x0000000000400000-0x0000000000483000-memory.dmp

                                                Filesize

                                                524KB

                                              • memory/1736-66-0x00000000003E0000-0x00000000003F0000-memory.dmp

                                                Filesize

                                                64KB