Analysis

  • max time kernel
    155s
  • max time network
    73s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2022 01:15

General

  • Target

    a67bffa6c94731080fe55915c8b601143a9c1bcfe97f4b80c9bbfa07eb94a52f.exe

  • Size

    232KB

  • MD5

    016c54c09429c24b0022904bb83c16c2

  • SHA1

    4edc6bf39cc7e98cc2177ad53d3f64c08772c776

  • SHA256

    a67bffa6c94731080fe55915c8b601143a9c1bcfe97f4b80c9bbfa07eb94a52f

  • SHA512

    2d53a65bd4564f4901233545181923a64b101199f37b91fc561d92312785f46d31419545b8e0a1374c849d4c4e1ae8e97a63bbf086c66e198081dd6eae0a2c52

  • SSDEEP

    3072:zDPhT7lKb2fldRMtyyYyzwCv2gs3EdGRornr2:zDR7lKbAlMg/yzNGEIsr2

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 24 IoCs
  • Suspicious use of AdjustPrivilegeToken 17 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a67bffa6c94731080fe55915c8b601143a9c1bcfe97f4b80c9bbfa07eb94a52f.exe
    "C:\Users\Admin\AppData\Local\Temp\a67bffa6c94731080fe55915c8b601143a9c1bcfe97f4b80c9bbfa07eb94a52f.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in System32 directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1944
    • C:\Users\Admin\AppData\Local\Temp\a67bffa6c94731080fe55915c8b601143a9c1bcfe97f4b80c9bbfa07eb94a52f.exe
      "C:\Users\Admin\AppData\Local\Temp\a67bffa6c94731080fe55915c8b601143a9c1bcfe97f4b80c9bbfa07eb94a52f.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:1972
      • C:\Users\Admin\AppData\Local\Temp\a67bffa6c94731080fe55915c8b601143a9c1bcfe97f4b80c9bbfa07eb94a52f.exe
        "C:\Users\Admin\AppData\Local\Temp\a67bffa6c94731080fe55915c8b601143a9c1bcfe97f4b80c9bbfa07eb94a52f.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1956
  • C:\Windows\system32\wbem\wmiprvse.exe
    C:\Windows\system32\wbem\wmiprvse.exe
    1⤵
      PID:1864
    • \\?\C:\Windows\system32\wbem\WMIADAP.EXE
      wmiadap.exe /F /T /R
      1⤵
        PID:1036
      • C:\Windows\system32\sppsvc.exe
        C:\Windows\system32\sppsvc.exe
        1⤵
          PID:1020
        • C:\Windows\system32\svchost.exe
          C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
          1⤵
            PID:1568
          • C:\Windows\Explorer.EXE
            C:\Windows\Explorer.EXE
            1⤵
              PID:1220
            • C:\Windows\system32\Dwm.exe
              "C:\Windows\system32\Dwm.exe"
              1⤵
                PID:1180
              • C:\Windows\system32\taskhost.exe
                "taskhost.exe"
                1⤵
                  PID:1120
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
                  1⤵
                    PID:1084
                  • C:\Windows\System32\spoolsv.exe
                    C:\Windows\System32\spoolsv.exe
                    1⤵
                      PID:932
                    • C:\Windows\system32\svchost.exe
                      C:\Windows\system32\svchost.exe -k NetworkService
                      1⤵
                        PID:272
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k netsvcs
                        1⤵
                          PID:868
                        • C:\Windows\system32\svchost.exe
                          C:\Windows\system32\svchost.exe -k LocalService
                          1⤵
                            PID:840
                          • C:\Windows\System32\svchost.exe
                            C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
                            1⤵
                              PID:804
                            • C:\Windows\System32\svchost.exe
                              C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
                              1⤵
                                PID:740
                              • C:\Windows\system32\svchost.exe
                                C:\Windows\system32\svchost.exe -k RPCSS
                                1⤵
                                  PID:664
                                • C:\Windows\system32\svchost.exe
                                  C:\Windows\system32\svchost.exe -k DcomLaunch
                                  1⤵
                                    PID:588
                                  • C:\Windows\system32\lsm.exe
                                    C:\Windows\system32\lsm.exe
                                    1⤵
                                      PID:484
                                    • 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\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

                                              Network

                                              MITRE ATT&CK Enterprise v6

                                              Replay Monitor

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                                              Downloads

                                              • memory/1220-70-0x00000000021F0000-0x00000000021F1000-memory.dmp

                                                Filesize

                                                4KB

                                              • memory/1220-59-0x00000000021B0000-0x00000000021B1000-memory.dmp

                                                Filesize

                                                4KB

                                              • memory/1944-61-0x0000000001000000-0x0000000001040000-memory.dmp

                                                Filesize

                                                256KB

                                              • memory/1944-72-0x000000007EFA0000-0x000000007EFA8000-memory.dmp

                                                Filesize

                                                32KB

                                              • memory/1944-62-0x00000000002F0000-0x0000000000330000-memory.dmp

                                                Filesize

                                                256KB

                                              • memory/1944-69-0x000000007EFA0000-0x000000007EFA8000-memory.dmp

                                                Filesize

                                                32KB

                                              • memory/1944-54-0x0000000076391000-0x0000000076393000-memory.dmp

                                                Filesize

                                                8KB

                                              • memory/1956-64-0x0000000001000000-0x0000000001040000-memory.dmp

                                                Filesize

                                                256KB

                                              • memory/1956-67-0x0000000001000000-0x0000000001040000-memory.dmp

                                                Filesize

                                                256KB

                                              • memory/1956-57-0x0000000000000000-mapping.dmp

                                              • memory/1972-65-0x000000007EFA0000-0x000000007EFA8000-memory.dmp

                                                Filesize

                                                32KB

                                              • memory/1972-66-0x0000000001000000-0x0000000001040000-memory.dmp

                                                Filesize

                                                256KB

                                              • memory/1972-68-0x000000007EFA0000-0x000000007EFA8000-memory.dmp

                                                Filesize

                                                32KB

                                              • memory/1972-63-0x0000000001000000-0x0000000001040000-memory.dmp

                                                Filesize

                                                256KB

                                              • memory/1972-55-0x0000000000000000-mapping.dmp