Analysis

  • max time kernel
    151s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    04-10-2022 00:02

General

  • Target

    ec02a37a69a07e0c10727f67f071c61d015acda9a30893d1dee7221866114992.exe

  • Size

    96KB

  • MD5

    62910034b7d12a46cc364551bfee5c1b

  • SHA1

    306a0b044797b291c943dff0d35fa460c99ac49f

  • SHA256

    ec02a37a69a07e0c10727f67f071c61d015acda9a30893d1dee7221866114992

  • SHA512

    11cece8e9013bf07f9f0ae262035aa01efab72701e509b4629e7bd93eadd121c13dd7df9bc829f68bfd89a6fa23a8bb30ebd9709d6ef7135238e567e4b236a7f

  • SSDEEP

    768:a06R0UEgnKqGR7//GPc0LOBhvBrHks3IiyhDYQbGmxlNaM+WGa1wuxnzgOYw9IC2:wR0In3Pc0LCH9MtbvabUDzJYWu3Bb

Score
10/10

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 6 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Loads dropped DLL 2 IoCs
  • Drops file in System32 directory 2 IoCs
  • Drops file in Program Files directory 8 IoCs
  • Suspicious behavior: EnumeratesProcesses 25 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of UnmapMainImage 2 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 LocalSystemNetworkRestricted
          2⤵
            PID:812
            • C:\Windows\system32\Dwm.exe
              "C:\Windows\system32\Dwm.exe"
              3⤵
                PID:1184
            • C:\Windows\system32\svchost.exe
              C:\Windows\system32\svchost.exe -k LocalService
              2⤵
                PID:852
              • C:\Windows\system32\svchost.exe
                C:\Windows\system32\svchost.exe -k netsvcs
                2⤵
                  PID:880
                  • \\?\C:\Windows\system32\wbem\WMIADAP.EXE
                    wmiadap.exe /F /T /R
                    3⤵
                      PID:2004
                  • C:\Windows\system32\svchost.exe
                    C:\Windows\system32\svchost.exe -k NetworkService
                    2⤵
                      PID:324
                    • C:\Windows\system32\svchost.exe
                      C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
                      2⤵
                        PID:1084
                      • C:\Windows\system32\taskhost.exe
                        "taskhost.exe"
                        2⤵
                          PID:1124
                        • C:\Windows\System32\spoolsv.exe
                          C:\Windows\System32\spoolsv.exe
                          2⤵
                            PID:1012
                          • C:\Windows\System32\svchost.exe
                            C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
                            2⤵
                              PID:764
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k RPCSS
                              2⤵
                                PID:680
                              • C:\Windows\system32\svchost.exe
                                C:\Windows\system32\svchost.exe -k DcomLaunch
                                2⤵
                                  PID:600
                                • C:\Windows\system32\svchost.exe
                                  C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
                                  2⤵
                                    PID:1044
                                  • C:\Windows\system32\sppsvc.exe
                                    C:\Windows\system32\sppsvc.exe
                                    2⤵
                                      PID:1660
                                  • 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\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:336
                                            • C:\Windows\System32\smss.exe
                                              \SystemRoot\System32\smss.exe
                                              1⤵
                                                PID:260
                                              • C:\Windows\Explorer.EXE
                                                C:\Windows\Explorer.EXE
                                                1⤵
                                                  PID:1244
                                                  • C:\Users\Admin\AppData\Local\Temp\ec02a37a69a07e0c10727f67f071c61d015acda9a30893d1dee7221866114992.exe
                                                    "C:\Users\Admin\AppData\Local\Temp\ec02a37a69a07e0c10727f67f071c61d015acda9a30893d1dee7221866114992.exe"
                                                    2⤵
                                                    • Loads dropped DLL
                                                    • Drops file in Program Files directory
                                                    • Suspicious use of UnmapMainImage
                                                    • Suspicious use of WriteProcessMemory
                                                    PID:1388
                                                    • C:\Program Files (x86)\Microsoft\WaterMark.exe
                                                      "C:\Program Files (x86)\Microsoft\WaterMark.exe"
                                                      3⤵
                                                      • Executes dropped EXE
                                                      • Suspicious behavior: EnumeratesProcesses
                                                      • Suspicious use of AdjustPrivilegeToken
                                                      • Suspicious use of UnmapMainImage
                                                      • Suspicious use of WriteProcessMemory
                                                      PID:952
                                                      • C:\Windows\SysWOW64\svchost.exe
                                                        C:\Windows\system32\svchost.exe
                                                        4⤵
                                                        • Modifies WinLogon for persistence
                                                        • Drops file in System32 directory
                                                        • Drops file in Program Files directory
                                                        PID:1508
                                                      • C:\Windows\SysWOW64\svchost.exe
                                                        C:\Windows\system32\svchost.exe
                                                        4⤵
                                                        • Suspicious behavior: EnumeratesProcesses
                                                        • Suspicious use of AdjustPrivilegeToken
                                                        • Suspicious use of WriteProcessMemory
                                                        PID:320

                                                Network

                                                MITRE ATT&CK Enterprise v6

                                                Replay Monitor

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                                                Downloads

                                                • C:\Program Files (x86)\Microsoft\WaterMark.exe

                                                  Filesize

                                                  96KB

                                                  MD5

                                                  62910034b7d12a46cc364551bfee5c1b

                                                  SHA1

                                                  306a0b044797b291c943dff0d35fa460c99ac49f

                                                  SHA256

                                                  ec02a37a69a07e0c10727f67f071c61d015acda9a30893d1dee7221866114992

                                                  SHA512

                                                  11cece8e9013bf07f9f0ae262035aa01efab72701e509b4629e7bd93eadd121c13dd7df9bc829f68bfd89a6fa23a8bb30ebd9709d6ef7135238e567e4b236a7f

                                                • C:\Program Files (x86)\Microsoft\WaterMark.exe

                                                  Filesize

                                                  96KB

                                                  MD5

                                                  62910034b7d12a46cc364551bfee5c1b

                                                  SHA1

                                                  306a0b044797b291c943dff0d35fa460c99ac49f

                                                  SHA256

                                                  ec02a37a69a07e0c10727f67f071c61d015acda9a30893d1dee7221866114992

                                                  SHA512

                                                  11cece8e9013bf07f9f0ae262035aa01efab72701e509b4629e7bd93eadd121c13dd7df9bc829f68bfd89a6fa23a8bb30ebd9709d6ef7135238e567e4b236a7f

                                                • \Program Files (x86)\Microsoft\WaterMark.exe

                                                  Filesize

                                                  96KB

                                                  MD5

                                                  62910034b7d12a46cc364551bfee5c1b

                                                  SHA1

                                                  306a0b044797b291c943dff0d35fa460c99ac49f

                                                  SHA256

                                                  ec02a37a69a07e0c10727f67f071c61d015acda9a30893d1dee7221866114992

                                                  SHA512

                                                  11cece8e9013bf07f9f0ae262035aa01efab72701e509b4629e7bd93eadd121c13dd7df9bc829f68bfd89a6fa23a8bb30ebd9709d6ef7135238e567e4b236a7f

                                                • \Program Files (x86)\Microsoft\WaterMark.exe

                                                  Filesize

                                                  96KB

                                                  MD5

                                                  62910034b7d12a46cc364551bfee5c1b

                                                  SHA1

                                                  306a0b044797b291c943dff0d35fa460c99ac49f

                                                  SHA256

                                                  ec02a37a69a07e0c10727f67f071c61d015acda9a30893d1dee7221866114992

                                                  SHA512

                                                  11cece8e9013bf07f9f0ae262035aa01efab72701e509b4629e7bd93eadd121c13dd7df9bc829f68bfd89a6fa23a8bb30ebd9709d6ef7135238e567e4b236a7f

                                                • memory/320-83-0x0000000020010000-0x000000002001B000-memory.dmp

                                                  Filesize

                                                  44KB

                                                • memory/320-86-0x0000000020010000-0x000000002001B000-memory.dmp

                                                  Filesize

                                                  44KB

                                                • memory/320-85-0x0000000000000000-mapping.dmp

                                                • memory/952-73-0x0000000000400000-0x000000000043C000-memory.dmp

                                                  Filesize

                                                  240KB

                                                • memory/952-188-0x0000000000400000-0x0000000000421000-memory.dmp

                                                  Filesize

                                                  132KB

                                                • memory/952-61-0x0000000000000000-mapping.dmp

                                                • memory/952-70-0x0000000000400000-0x000000000043C000-memory.dmp

                                                  Filesize

                                                  240KB

                                                • memory/1388-57-0x0000000000400000-0x0000000000421000-memory.dmp

                                                  Filesize

                                                  132KB

                                                • memory/1388-54-0x0000000075E11000-0x0000000075E13000-memory.dmp

                                                  Filesize

                                                  8KB

                                                • memory/1388-58-0x0000000000400000-0x0000000000421000-memory.dmp

                                                  Filesize

                                                  132KB

                                                • memory/1388-63-0x0000000000400000-0x0000000000421000-memory.dmp

                                                  Filesize

                                                  132KB

                                                • memory/1508-75-0x0000000000000000-mapping.dmp

                                                • memory/1508-77-0x0000000020010000-0x0000000020022000-memory.dmp

                                                  Filesize

                                                  72KB

                                                • memory/1508-81-0x0000000020010000-0x0000000020022000-memory.dmp

                                                  Filesize

                                                  72KB

                                                • memory/1508-72-0x0000000020010000-0x0000000020022000-memory.dmp

                                                  Filesize

                                                  72KB

                                                • memory/1508-189-0x0000000020010000-0x0000000020022000-memory.dmp

                                                  Filesize

                                                  72KB