Analysis

  • max time kernel
    150s
  • max time network
    84s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    07-11-2022 21:55

General

  • Target

    3677ea23c7ae21371fe860c3f1b71ec1786ddad8face80379d7fd26c20e6d9bd.exe

  • Size

    1.2MB

  • MD5

    0a6f8515a047e09561e6abcadd51b4ef

  • SHA1

    75d201def88c24a3b25ba09ff523b682cf29fae2

  • SHA256

    3677ea23c7ae21371fe860c3f1b71ec1786ddad8face80379d7fd26c20e6d9bd

  • SHA512

    fab7f998730d8c1dccb669fb49eb22a2df2956bac301abe6429defe56b4660a19213b6ca260bfac89b95b1d7b45665c46957a38979cc01534664aa2d54d0bdc6

  • SSDEEP

    12288:RqOPajQUXXP8QvLWFx6Mo5rippDC7re1hpls4EyS2:RnajQEPnvg6PhWDC7SU2

Score
6/10

Malware Config

Signatures

  • Adds Run key to start application 2 TTPs 2 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 6 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious behavior: MapViewOfSection 23 IoCs
  • Suspicious use of AdjustPrivilegeToken 21 IoCs
  • Suspicious use of SetWindowsHookEx 4 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 DcomLaunch
          2⤵
            PID:596
          • C:\Windows\system32\taskhost.exe
            "taskhost.exe"
            2⤵
              PID:1252
            • C:\Windows\system32\sppsvc.exe
              C:\Windows\system32\sppsvc.exe
              2⤵
                PID:1768
              • C:\Windows\system32\svchost.exe
                C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
                2⤵
                  PID:1664
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
                  2⤵
                    PID:1044
                  • C:\Windows\System32\spoolsv.exe
                    C:\Windows\System32\spoolsv.exe
                    2⤵
                      PID:540
                    • C:\Windows\system32\svchost.exe
                      C:\Windows\system32\svchost.exe -k NetworkService
                      2⤵
                        PID:328
                      • 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:844
                          • C:\Windows\System32\svchost.exe
                            C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
                            2⤵
                              PID:804
                            • 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:672
                              • 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:1196
                                        • C:\Windows\Explorer.EXE
                                          C:\Windows\Explorer.EXE
                                          1⤵
                                            PID:1408
                                            • C:\Users\Admin\AppData\Local\Temp\3677ea23c7ae21371fe860c3f1b71ec1786ddad8face80379d7fd26c20e6d9bd.exe
                                              "C:\Users\Admin\AppData\Local\Temp\3677ea23c7ae21371fe860c3f1b71ec1786ddad8face80379d7fd26c20e6d9bd.exe"
                                              2⤵
                                              • Adds Run key to start application
                                              • Drops file in System32 directory
                                              • Suspicious use of AdjustPrivilegeToken
                                              • Suspicious use of WriteProcessMemory
                                              PID:1516
                                              • C:\Users\Admin\AppData\Local\Temp\3677ea23c7ae21371fe860c3f1b71ec1786ddad8face80379d7fd26c20e6d9bd.exe
                                                "C:\Users\Admin\AppData\Local\Temp\3677ea23c7ae21371fe860c3f1b71ec1786ddad8face80379d7fd26c20e6d9bd.exe"
                                                3⤵
                                                • Adds Run key to start application
                                                • Enumerates connected drives
                                                • Drops file in System32 directory
                                                • Suspicious use of AdjustPrivilegeToken
                                                • Suspicious use of WriteProcessMemory
                                                PID:2028
                                                • C:\Users\Admin\AppData\Local\Temp\3677ea23c7ae21371fe860c3f1b71ec1786ddad8face80379d7fd26c20e6d9bd.exe
                                                  "C:\Users\Admin\AppData\Local\Temp\3677ea23c7ae21371fe860c3f1b71ec1786ddad8face80379d7fd26c20e6d9bd.exe"
                                                  4⤵
                                                  • Suspicious behavior: EnumeratesProcesses
                                                  • Suspicious behavior: MapViewOfSection
                                                  • Suspicious use of AdjustPrivilegeToken
                                                  • Suspicious use of SetWindowsHookEx
                                                  • Suspicious use of WriteProcessMemory
                                                  PID:1896
                                          • C:\Windows\system32\Dwm.exe
                                            "C:\Windows\system32\Dwm.exe"
                                            1⤵
                                              PID:1344

                                            Network

                                            MITRE ATT&CK Enterprise v6

                                            Replay Monitor

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                                            Downloads

                                            • memory/1408-64-0x0000000002250000-0x0000000002251000-memory.dmp

                                              Filesize

                                              4KB

                                            • memory/1408-68-0x0000000002220000-0x0000000002221000-memory.dmp

                                              Filesize

                                              4KB

                                            • memory/1516-60-0x0000000001E60000-0x0000000001F8E000-memory.dmp

                                              Filesize

                                              1.2MB

                                            • memory/1516-70-0x000000007EFA0000-0x000000007EFA8000-memory.dmp

                                              Filesize

                                              32KB

                                            • memory/1516-54-0x0000000075841000-0x0000000075843000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/1516-72-0x0000000000400000-0x000000000052E000-memory.dmp

                                              Filesize

                                              1.2MB

                                            • memory/1516-59-0x0000000000400000-0x000000000052E000-memory.dmp

                                              Filesize

                                              1.2MB

                                            • memory/1516-71-0x000000007EFA0000-0x000000007EFA8000-memory.dmp

                                              Filesize

                                              32KB

                                            • memory/1896-62-0x0000000000400000-0x000000000052E000-memory.dmp

                                              Filesize

                                              1.2MB

                                            • memory/1896-57-0x0000000000000000-mapping.dmp

                                            • memory/1896-63-0x0000000000400000-0x000000000052E000-memory.dmp

                                              Filesize

                                              1.2MB

                                            • memory/2028-66-0x000000007EFA0000-0x000000007EFA8000-memory.dmp

                                              Filesize

                                              32KB

                                            • memory/2028-67-0x000000007EFA0000-0x000000007EFA8000-memory.dmp

                                              Filesize

                                              32KB

                                            • memory/2028-55-0x0000000000000000-mapping.dmp

                                            • memory/2028-61-0x0000000000400000-0x000000000052E000-memory.dmp

                                              Filesize

                                              1.2MB

                                            • memory/2028-73-0x0000000000400000-0x000000000052E000-memory.dmp

                                              Filesize

                                              1.2MB