Analysis

  • max time kernel
    10s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    11-10-2022 10:29

General

  • Target

    b9c8ef3c820080cd331e1e638fdd2204b49feff98f5f6c785d721360f4fcbddf.exe

  • Size

    24KB

  • MD5

    001e69cbf0dfdba1924d31e55218d470

  • SHA1

    8669fa317f69ac01b47d15ec19f17abc1f3dcebc

  • SHA256

    b9c8ef3c820080cd331e1e638fdd2204b49feff98f5f6c785d721360f4fcbddf

  • SHA512

    7c5e9feaaa995ae7233511316a3213644f93aa9c20408ac4b89317f1eae76889a09d1557b17117b2331aee2680988b0302b9123c406af197f5cecdf448f8f797

  • SSDEEP

    384:FzgXWeJY7mBqoWcdpWRVvZXoCRh2prqCGa7YWuSXdZXKbUWShywdND:deK7mkC2Xh2p1GasWVXzfh/

Score
5/10

Malware Config

Signatures

  • Drops file in System32 directory 1 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 21 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\sppsvc.exe
          C:\Windows\system32\sppsvc.exe
          2⤵
            PID:1676
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
            2⤵
              PID:1512
            • C:\Windows\system32\taskhost.exe
              "taskhost.exe"
              2⤵
                PID:1260
              • C:\Windows\system32\svchost.exe
                C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
                2⤵
                  PID:1032
                • 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:300
                    • C:\Windows\system32\svchost.exe
                      C:\Windows\system32\svchost.exe -k netsvcs
                      2⤵
                        PID:872
                      • 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:796
                          • C:\Windows\System32\svchost.exe
                            C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
                            2⤵
                              PID:732
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k RPCSS
                              2⤵
                                PID:652
                              • 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:376
                                  • 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\system32\wbem\WMIADAP.EXE
                                        wmiadap.exe /F /T /R
                                        1⤵
                                          PID:1088
                                        • C:\Windows\Explorer.EXE
                                          C:\Windows\Explorer.EXE
                                          1⤵
                                            PID:1420
                                            • C:\Users\Admin\AppData\Local\Temp\b9c8ef3c820080cd331e1e638fdd2204b49feff98f5f6c785d721360f4fcbddf.exe
                                              "C:\Users\Admin\AppData\Local\Temp\b9c8ef3c820080cd331e1e638fdd2204b49feff98f5f6c785d721360f4fcbddf.exe"
                                              2⤵
                                              • Drops file in System32 directory
                                              • Suspicious behavior: EnumeratesProcesses
                                              • Suspicious behavior: MapViewOfSection
                                              • Suspicious use of AdjustPrivilegeToken
                                              • Suspicious use of WriteProcessMemory
                                              PID:304
                                          • C:\Windows\system32\Dwm.exe
                                            "C:\Windows\system32\Dwm.exe"
                                            1⤵
                                              PID:1364

                                            Network

                                            MITRE ATT&CK Enterprise v6

                                            Replay Monitor

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                                            Downloads

                                            • memory/304-54-0x0000000076121000-0x0000000076123000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/304-55-0x0000000001000000-0x0000000001009000-memory.dmp

                                              Filesize

                                              36KB