Analysis

  • max time kernel
    142s
  • max time network
    79s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    30/10/2022, 21:38

General

  • Target

    bc344d083b7ede883d98e5496bd108fb8261be2b19fd0c2156eb56a586d12298.exe

  • Size

    36KB

  • MD5

    a1539d08a7f502791b8ca0ac9656eea0

  • SHA1

    191fb536f33098761ee68063a455443accf7d7dd

  • SHA256

    bc344d083b7ede883d98e5496bd108fb8261be2b19fd0c2156eb56a586d12298

  • SHA512

    462e7dcdfd875470adf6c62a64776108dc91b4305fe4076d789a8d0d617f173bd919c8b078926f88e036847ec44a39fa8fad03e0b7fddf4a54ccb486e3802157

  • SSDEEP

    384:4q+G6tXeWYiWqPG1XWljk1Jh+Ep8dW9JKEXF8b3G2RMQd8b3G2RMQ:r+7tXYIGpWljk1pKkXF8b22j8b22

Score
6/10

Malware Config

Signatures

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 16 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\services.exe
    C:\Windows\system32\services.exe
    1⤵
      PID:468
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k RPCSS
        2⤵
          PID:668
        • C:\Windows\System32\svchost.exe
          C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
          2⤵
            PID:804
            • C:\Windows\system32\Dwm.exe
              "C:\Windows\system32\Dwm.exe"
              3⤵
                PID:1240
            • C:\Windows\system32\svchost.exe
              C:\Windows\system32\svchost.exe -k NetworkService
              2⤵
                PID:296
              • C:\Windows\System32\spoolsv.exe
                C:\Windows\System32\spoolsv.exe
                2⤵
                  PID:372
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
                  2⤵
                    PID:1044
                  • C:\Windows\system32\sppsvc.exe
                    C:\Windows\system32\sppsvc.exe
                    2⤵
                      PID:1080
                    • C:\Windows\system32\svchost.exe
                      C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
                      2⤵
                        PID:744
                      • C:\Windows\system32\taskhost.exe
                        "taskhost.exe"
                        2⤵
                          PID:1128
                        • 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:840
                            • C:\Windows\System32\svchost.exe
                              C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
                              2⤵
                                PID:752
                              • C:\Windows\system32\svchost.exe
                                C:\Windows\system32\svchost.exe -k DcomLaunch
                                2⤵
                                  PID:588
                              • C:\Windows\system32\lsass.exe
                                C:\Windows\system32\lsass.exe
                                1⤵
                                  PID:484
                                • C:\Windows\system32\winlogon.exe
                                  winlogon.exe
                                  1⤵
                                    PID:424
                                  • 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:388
                                    • C:\Windows\system32\wininit.exe
                                      wininit.exe
                                      1⤵
                                        PID:376
                                        • C:\Windows\system32\lsm.exe
                                          C:\Windows\system32\lsm.exe
                                          2⤵
                                            PID:492
                                        • \\?\C:\Windows\system32\wbem\WMIADAP.EXE
                                          wmiadap.exe /F /T /R
                                          1⤵
                                            PID:1976
                                          • C:\Windows\Explorer.EXE
                                            C:\Windows\Explorer.EXE
                                            1⤵
                                              PID:1280
                                              • C:\Users\Admin\AppData\Local\Temp\bc344d083b7ede883d98e5496bd108fb8261be2b19fd0c2156eb56a586d12298.exe
                                                "C:\Users\Admin\AppData\Local\Temp\bc344d083b7ede883d98e5496bd108fb8261be2b19fd0c2156eb56a586d12298.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:1204
                                                • C:\Users\Admin\AppData\Local\Temp\bc344d083b7ede883d98e5496bd108fb8261be2b19fd0c2156eb56a586d12298.exe
                                                  "C:\Users\Admin\AppData\Local\Temp\bc344d083b7ede883d98e5496bd108fb8261be2b19fd0c2156eb56a586d12298.exe"
                                                  3⤵
                                                  • Suspicious behavior: EnumeratesProcesses
                                                  • Suspicious behavior: MapViewOfSection
                                                  • Suspicious use of AdjustPrivilegeToken
                                                  • Suspicious use of WriteProcessMemory
                                                  PID:1700

                                            Network

                                            MITRE ATT&CK Enterprise v6

                                            Replay Monitor

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                                            Downloads

                                            • memory/1204-54-0x0000000074E41000-0x0000000074E43000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/1204-60-0x0000000001000000-0x000000000100C000-memory.dmp

                                              Filesize

                                              48KB

                                            • memory/1204-61-0x00000000000F0000-0x00000000000FC000-memory.dmp

                                              Filesize

                                              48KB

                                            • memory/1204-62-0x000000007EFA0000-0x000000007EFA8000-memory.dmp

                                              Filesize

                                              32KB

                                            • memory/1204-63-0x000000007EFA0000-0x000000007EFA8000-memory.dmp

                                              Filesize

                                              32KB

                                            • memory/1204-64-0x0000000001000000-0x000000000100C000-memory.dmp

                                              Filesize

                                              48KB

                                            • memory/1204-65-0x00000000000F0000-0x00000000000FC000-memory.dmp

                                              Filesize

                                              48KB

                                            • memory/1280-58-0x0000000002660000-0x0000000002661000-memory.dmp

                                              Filesize

                                              4KB

                                            • memory/1700-57-0x0000000001000000-0x000000000100C000-memory.dmp

                                              Filesize

                                              48KB