Analysis

  • max time kernel
    15s
  • max time network
    111s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    20-04-2021 10:20

General

  • Target

    5a51cd846336f4900789df0f28e15b90c6eb9228c08105dd842ab58fd0e33af8.exe

  • Size

    172KB

  • MD5

    c7e4fd60b85fd0bb459dd25d18ed9ba3

  • SHA1

    c06f3398ab9f1f4b2c3f0efe10a35c4637e0a451

  • SHA256

    5a51cd846336f4900789df0f28e15b90c6eb9228c08105dd842ab58fd0e33af8

  • SHA512

    49ed2cbaf611e4d77b9799870d66809f92a653642f280639b48584a969192c45ed642f82e9dbf89a518d8c21f78ec45586e59d95c26babf4472e470a226598e5

Score
10/10

Malware Config

Signatures

  • Modifies firewall policy service 2 TTPs 4 IoCs
  • UAC bypass 3 TTPs
  • Windows security bypass 2 TTPs
  • Windows security modification 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 61 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\lsass.exe
    C:\Windows\system32\lsass.exe
    1⤵
      PID:644
    • C:\Windows\system32\winlogon.exe
      winlogon.exe
      1⤵
        PID:564
        • C:\Windows\system32\fontdrvhost.exe
          "fontdrvhost.exe"
          2⤵
            PID:756
          • C:\Windows\system32\dwm.exe
            "dwm.exe"
            2⤵
              PID:1000
          • c:\windows\system32\svchost.exe
            c:\windows\system32\svchost.exe -k dcomlaunch -s PlugPlay
            1⤵
              PID:732
            • c:\windows\system32\svchost.exe
              c:\windows\system32\svchost.exe -k localservicenetworkrestricted -s lmhosts
              1⤵
                PID:504
              • c:\windows\system32\svchost.exe
                c:\windows\system32\svchost.exe -k netsvcs -s ProfSvc
                1⤵
                  PID:1104
                • c:\windows\system32\svchost.exe
                  c:\windows\system32\svchost.exe -k localservicenetworkrestricted -s EventLog
                  1⤵
                    PID:1132
                  • c:\windows\system32\svchost.exe
                    c:\windows\system32\svchost.exe -k netsvcs -s Themes
                    1⤵
                      PID:1224
                    • c:\windows\system32\svchost.exe
                      c:\windows\system32\svchost.exe -k localservicenetworkrestricted -s Dhcp
                      1⤵
                        PID:1360
                      • c:\windows\system32\svchost.exe
                        c:\windows\system32\svchost.exe -k localservice -s nsi
                        1⤵
                          PID:1256
                        • c:\windows\system32\svchost.exe
                          c:\windows\system32\svchost.exe -k netsvcs -s SENS
                          1⤵
                            PID:1468
                          • c:\windows\system32\svchost.exe
                            c:\windows\system32\svchost.exe -k netsvcs -s UserManager
                            1⤵
                              PID:1392
                              • c:\windows\system32\sihost.exe
                                sihost.exe
                                2⤵
                                  PID:2332
                              • c:\windows\system32\svchost.exe
                                c:\windows\system32\svchost.exe -k localsystemnetworkrestricted -s AudioEndpointBuilder
                                1⤵
                                  PID:1544
                                • c:\windows\system32\svchost.exe
                                  c:\windows\system32\svchost.exe -k networkservice -s NlaSvc
                                  1⤵
                                    PID:1516
                                  • c:\windows\system32\svchost.exe
                                    c:\windows\system32\svchost.exe -k localservice -s FontCache
                                    1⤵
                                      PID:1552
                                    • c:\windows\system32\svchost.exe
                                      c:\windows\system32\svchost.exe -k localservice -s EventSystem
                                      1⤵
                                        PID:1236
                                      • c:\windows\system32\svchost.exe
                                        c:\windows\system32\svchost.exe -k localservice -s netprofm
                                        1⤵
                                          PID:1720
                                        • C:\Windows\System32\svchost.exe
                                          C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
                                          1⤵
                                            PID:1680
                                            • C:\Windows\system32\AUDIODG.EXE
                                              C:\Windows\system32\AUDIODG.EXE 0x3c0
                                              2⤵
                                                PID:2268
                                            • C:\Windows\system32\svchost.exe
                                              C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted
                                              1⤵
                                                PID:1756
                                              • C:\Windows\System32\svchost.exe
                                                C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
                                                1⤵
                                                  PID:1744
                                                • C:\Windows\System32\spoolsv.exe
                                                  C:\Windows\System32\spoolsv.exe
                                                  1⤵
                                                    PID:1996
                                                  • c:\windows\system32\svchost.exe
                                                    c:\windows\system32\svchost.exe -k netsvcs -s ShellHWDetection
                                                    1⤵
                                                      PID:1884
                                                    • c:\windows\system32\svchost.exe
                                                      c:\windows\system32\svchost.exe -k networkservice -s LanmanWorkstation
                                                      1⤵
                                                        PID:1700
                                                      • c:\windows\system32\svchost.exe
                                                        c:\windows\system32\svchost.exe -k unistacksvcgroup -s CDPUserSvc
                                                        1⤵
                                                          PID:2352
                                                        • c:\windows\system32\svchost.exe
                                                          c:\windows\system32\svchost.exe -k networkservicenetworkrestricted -s PolicyAgent
                                                          1⤵
                                                            PID:2496
                                                          • c:\windows\system32\svchost.exe
                                                            c:\windows\system32\svchost.exe -k netsvcs -s LanmanServer
                                                            1⤵
                                                              PID:2532
                                                            • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                                              "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                                              1⤵
                                                                PID:2540
                                                              • c:\windows\system32\svchost.exe
                                                                c:\windows\system32\svchost.exe -k localsystemnetworkrestricted -s TrkWks
                                                                1⤵
                                                                  PID:2680
                                                                • c:\windows\system32\svchost.exe
                                                                  c:\windows\system32\svchost.exe -k networkservice -s CryptSvc
                                                                  1⤵
                                                                    PID:2508
                                                                  • c:\windows\system32\svchost.exe
                                                                    c:\windows\system32\svchost.exe -k netsvcs -s IKEEXT
                                                                    1⤵
                                                                      PID:2484
                                                                    • c:\windows\system32\svchost.exe
                                                                      c:\windows\system32\svchost.exe -k netsvcs -s Winmgmt
                                                                      1⤵
                                                                        PID:2688
                                                                        • C:\Windows\system32\wbem\WMIADAP.EXE
                                                                          wmiadap.exe /F /T /R
                                                                          2⤵
                                                                            PID:1128
                                                                        • c:\windows\system32\taskhostw.exe
                                                                          taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                                                                          1⤵
                                                                            PID:2448
                                                                          • c:\windows\system32\svchost.exe
                                                                            c:\windows\system32\svchost.exe -k netsvcs -s WpnService
                                                                            1⤵
                                                                              PID:2696
                                                                            • C:\Windows\system32\wbem\wmiprvse.exe
                                                                              C:\Windows\system32\wbem\wmiprvse.exe
                                                                              1⤵
                                                                                PID:3636
                                                                              • C:\Windows\system32\DllHost.exe
                                                                                C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                                                                                1⤵
                                                                                  PID:3824
                                                                                • c:\windows\system32\svchost.exe
                                                                                  c:\windows\system32\svchost.exe -k localservice -s CDPSvc
                                                                                  1⤵
                                                                                    PID:1948
                                                                                  • C:\Windows\system32\DllHost.exe
                                                                                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                                                                                    1⤵
                                                                                      PID:3724
                                                                                    • C:\Windows\System32\RuntimeBroker.exe
                                                                                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                                                                                      1⤵
                                                                                        PID:3496
                                                                                      • C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\SearchUI.exe
                                                                                        "C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\SearchUI.exe" -ServerName:CortanaUI.AppXa50dqqa5gqv4a428c9y1jjw7m3btvepj.mca
                                                                                        1⤵
                                                                                          PID:3276
                                                                                        • C:\Windows\SystemApps\ShellExperienceHost_cw5n1h2txyewy\ShellExperienceHost.exe
                                                                                          "C:\Windows\SystemApps\ShellExperienceHost_cw5n1h2txyewy\ShellExperienceHost.exe" -ServerName:App.AppXtk181tbxbce2qsex02s8tw7hfxa9xb3t.mca
                                                                                          1⤵
                                                                                            PID:3264
                                                                                          • C:\Windows\Explorer.EXE
                                                                                            C:\Windows\Explorer.EXE
                                                                                            1⤵
                                                                                              PID:3052
                                                                                              • C:\Users\Admin\AppData\Local\Temp\5a51cd846336f4900789df0f28e15b90c6eb9228c08105dd842ab58fd0e33af8.exe
                                                                                                "C:\Users\Admin\AppData\Local\Temp\5a51cd846336f4900789df0f28e15b90c6eb9228c08105dd842ab58fd0e33af8.exe"
                                                                                                2⤵
                                                                                                • Modifies firewall policy service
                                                                                                • Windows security modification
                                                                                                • Checks whether UAC is enabled
                                                                                                • Suspicious behavior: EnumeratesProcesses
                                                                                                • Suspicious behavior: MapViewOfSection
                                                                                                • Suspicious use of AdjustPrivilegeToken
                                                                                                • Suspicious use of WriteProcessMemory
                                                                                                • System policy modification
                                                                                                PID:784
                                                                                                • C:\Windows\SysWOW64\WerFault.exe
                                                                                                  C:\Windows\SysWOW64\WerFault.exe -u -p 784 -s 196
                                                                                                  3⤵
                                                                                                  • Program crash
                                                                                                  PID:3740
                                                                                            • c:\windows\system32\svchost.exe
                                                                                              c:\windows\system32\svchost.exe -k netsvcs -s Browser
                                                                                              1⤵
                                                                                                PID:2936
                                                                                              • c:\windows\system32\svchost.exe
                                                                                                c:\windows\system32\svchost.exe -k appmodel -s tiledatamodelsvc
                                                                                                1⤵
                                                                                                  PID:2164
                                                                                                • c:\windows\system32\svchost.exe
                                                                                                  c:\windows\system32\svchost.exe -k appmodel -s StateRepository
                                                                                                  1⤵
                                                                                                    PID:1876
                                                                                                  • c:\windows\system32\svchost.exe
                                                                                                    c:\windows\system32\svchost.exe -k networkservice -s Dnscache
                                                                                                    1⤵
                                                                                                      PID:1568
                                                                                                    • C:\Windows\system32\svchost.exe
                                                                                                      C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
                                                                                                      1⤵
                                                                                                        PID:1052
                                                                                                      • c:\windows\system32\svchost.exe
                                                                                                        c:\windows\system32\svchost.exe -k netsvcs -s Schedule
                                                                                                        1⤵
                                                                                                          PID:1028
                                                                                                        • c:\windows\system32\svchost.exe
                                                                                                          c:\windows\system32\svchost.exe -k localsystemnetworkrestricted -s NcbService
                                                                                                          1⤵
                                                                                                            PID:628
                                                                                                          • c:\windows\system32\svchost.exe
                                                                                                            c:\windows\system32\svchost.exe -k netsvcs -s gpsvc
                                                                                                            1⤵
                                                                                                              PID:60
                                                                                                            • c:\windows\system32\svchost.exe
                                                                                                              c:\windows\system32\svchost.exe -k dcomlaunch -s LSM
                                                                                                              1⤵
                                                                                                                PID:912
                                                                                                              • c:\windows\system32\svchost.exe
                                                                                                                c:\windows\system32\svchost.exe -k rpcss
                                                                                                                1⤵
                                                                                                                  PID:864
                                                                                                                • C:\Windows\system32\svchost.exe
                                                                                                                  C:\Windows\system32\svchost.exe -k DcomLaunch
                                                                                                                  1⤵
                                                                                                                    PID:768
                                                                                                                    • C:\Windows\system32\wbem\wmiprvse.exe
                                                                                                                      C:\Windows\system32\wbem\wmiprvse.exe -Embedding
                                                                                                                      2⤵
                                                                                                                        PID:1908
                                                                                                                    • C:\Windows\system32\fontdrvhost.exe
                                                                                                                      "fontdrvhost.exe"
                                                                                                                      1⤵
                                                                                                                        PID:752
                                                                                                                      • \??\c:\windows\system32\svchost.exe
                                                                                                                        c:\windows\system32\svchost.exe -k netsvcs -s BITS
                                                                                                                        1⤵
                                                                                                                          PID:780
                                                                                                                        • C:\Windows\system32\svchost.exe
                                                                                                                          C:\Windows\system32\svchost.exe -k LocalService -s WinHttpAutoProxySvc
                                                                                                                          1⤵
                                                                                                                            PID:3584
                                                                                                                          • \??\c:\windows\system32\svchost.exe
                                                                                                                            c:\windows\system32\svchost.exe -k localserviceandnoimpersonation -s SSDPSRV
                                                                                                                            1⤵
                                                                                                                              PID:368

                                                                                                                            Network

                                                                                                                            MITRE ATT&CK Matrix ATT&CK v6

                                                                                                                            Persistence

                                                                                                                            Modify Existing Service

                                                                                                                            1
                                                                                                                            T1031

                                                                                                                            Privilege Escalation

                                                                                                                            Bypass User Account Control

                                                                                                                            1
                                                                                                                            T1088

                                                                                                                            Defense Evasion

                                                                                                                            Modify Registry

                                                                                                                            5
                                                                                                                            T1112

                                                                                                                            Bypass User Account Control

                                                                                                                            1
                                                                                                                            T1088

                                                                                                                            Disabling Security Tools

                                                                                                                            3
                                                                                                                            T1089

                                                                                                                            Discovery

                                                                                                                            System Information Discovery

                                                                                                                            1
                                                                                                                            T1082

                                                                                                                            Replay Monitor

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                                                                                                                            Downloads