Analysis

  • max time kernel
    152s
  • max time network
    133s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    20/10/2022, 18:57

General

  • Target

    f21cbf0ed491d6859de4e2b6b12aa15353cadde5683997a00279bf374430e771.exe

  • Size

    46KB

  • MD5

    a001a03a95d4e625aaf678caf56cd3a0

  • SHA1

    ca644278e27b5017693ae2309c5be43b2933122c

  • SHA256

    f21cbf0ed491d6859de4e2b6b12aa15353cadde5683997a00279bf374430e771

  • SHA512

    74e2d3385be18770f5e4dce39731597765001efc796f93f1cb25b97624a0c81725edd5e67e446517af0caadefa117c0990edaca016e4f20aeb5bed47fe2532ca

  • SSDEEP

    768:tanJ7UE+A7gTplJMOYKBYCuvMuGSMGkmxMupps512HVxIbHmVz1jUgisKl4qR:tcL+AUTpldY9CuvMuGakmx1ps512HVSX

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
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious behavior: MapViewOfSection 22 IoCs
  • Suspicious use of AdjustPrivilegeToken 9 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • 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\services.exe
          C:\Windows\system32\services.exe
          2⤵
            PID:460
            • C:\Windows\System32\svchost.exe
              C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
              3⤵
                PID:796
                • C:\Windows\system32\Dwm.exe
                  "C:\Windows\system32\Dwm.exe"
                  4⤵
                    PID:1364
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
                  3⤵
                    PID:1032
                  • C:\Windows\system32\svchost.exe
                    C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
                    3⤵
                      PID:1512
                    • C:\Windows\system32\sppsvc.exe
                      C:\Windows\system32\sppsvc.exe
                      3⤵
                        PID:1676
                      • C:\Windows\system32\taskhost.exe
                        "taskhost.exe"
                        3⤵
                          PID:1260
                        • C:\Windows\System32\spoolsv.exe
                          C:\Windows\System32\spoolsv.exe
                          3⤵
                            PID:276
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k NetworkService
                            3⤵
                              PID:300
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k netsvcs
                              3⤵
                                PID:872
                              • C:\Windows\system32\svchost.exe
                                C:\Windows\system32\svchost.exe -k LocalService
                                3⤵
                                  PID:844
                                • C:\Windows\System32\svchost.exe
                                  C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
                                  3⤵
                                    PID:732
                                  • C:\Windows\system32\svchost.exe
                                    C:\Windows\system32\svchost.exe -k RPCSS
                                    3⤵
                                      PID:652
                                    • C:\Windows\system32\svchost.exe
                                      C:\Windows\system32\svchost.exe -k DcomLaunch
                                      3⤵
                                        PID:576
                                    • C:\Windows\system32\lsass.exe
                                      C:\Windows\system32\lsass.exe
                                      2⤵
                                        PID:476
                                      • C:\Windows\system32\lsm.exe
                                        C:\Windows\system32\lsm.exe
                                        2⤵
                                          PID:484
                                      • C:\Windows\system32\winlogon.exe
                                        winlogon.exe
                                        1⤵
                                          PID:416
                                        • \\?\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\f21cbf0ed491d6859de4e2b6b12aa15353cadde5683997a00279bf374430e771.exe
                                                "C:\Users\Admin\AppData\Local\Temp\f21cbf0ed491d6859de4e2b6b12aa15353cadde5683997a00279bf374430e771.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:304
                                                • C:\Users\Admin\AppData\Local\Temp\f21cbf0ed491d6859de4e2b6b12aa15353cadde5683997a00279bf374430e771.exe
                                                  "C:\Users\Admin\AppData\Local\Temp\f21cbf0ed491d6859de4e2b6b12aa15353cadde5683997a00279bf374430e771.exe"
                                                  3⤵
                                                  • Suspicious behavior: EnumeratesProcesses
                                                  • Suspicious behavior: MapViewOfSection
                                                  • Suspicious use of AdjustPrivilegeToken
                                                  • Suspicious use of WriteProcessMemory
                                                  PID:1920

                                            Network

                                            MITRE ATT&CK Enterprise v6

                                            Replay Monitor

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                                            Downloads

                                            • memory/304-59-0x0000000001000000-0x0000000001012000-memory.dmp

                                              Filesize

                                              72KB

                                            • memory/304-60-0x0000000000160000-0x0000000000172000-memory.dmp

                                              Filesize

                                              72KB

                                            • memory/304-61-0x000000007EFA0000-0x000000007EFA8000-memory.dmp

                                              Filesize

                                              32KB

                                            • memory/304-62-0x0000000001000000-0x0000000001012000-memory.dmp

                                              Filesize

                                              72KB

                                            • memory/304-63-0x0000000000160000-0x0000000000172000-memory.dmp

                                              Filesize

                                              72KB

                                            • memory/304-64-0x000000007EFA0000-0x000000007EFA8000-memory.dmp

                                              Filesize

                                              32KB

                                            • memory/1420-57-0x0000000002270000-0x0000000002271000-memory.dmp

                                              Filesize

                                              4KB

                                            • memory/1920-55-0x0000000076121000-0x0000000076123000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/1920-56-0x0000000001000000-0x0000000001012000-memory.dmp

                                              Filesize

                                              72KB