Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-11-2022 17:48

General

  • Target

    e40081ecb6bb87bceb8fbe60569557246431b4e4bb5d2f6e370cb577265b2e3b.exe

  • Size

    84KB

  • MD5

    1548abe4734a1e91f208f54b55969580

  • SHA1

    001cfbaef0ca45f8c67878772089e0a44aa8075d

  • SHA256

    e40081ecb6bb87bceb8fbe60569557246431b4e4bb5d2f6e370cb577265b2e3b

  • SHA512

    a81c391c2586107d9837fa16621ba0972e3774995e0bb900794862a61352b43e91741c80668027468433f74c2bafedd515be4b9f9b03ed2163d76228db437ddf

  • SSDEEP

    1536:ofFYrHzmJcABxt2mE5OAkYJkz4aFQB0KAIDA9Rv5f2HLKoZ:xrTmJ/vElJkz4a6rAIk9RvgHuoZ

Malware Config

Signatures

  • Modifies firewall policy service 2 TTPs 4 IoCs
  • RunningRat

    RunningRat is a remote access trojan first seen in 2018.

  • RunningRat payload 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Sets DLL path for service in the registry 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Loads dropped DLL 3 IoCs
  • Creates a Windows Service
  • Drops file in System32 directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious behavior: MapViewOfSection 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\winlogon.exe
    winlogon.exe
    1⤵
      PID:608
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        2⤵
          PID:1012
        • C:\Windows\system32\fontdrvhost.exe
          "fontdrvhost.exe"
          2⤵
            PID:776
        • C:\Windows\system32\lsass.exe
          C:\Windows\system32\lsass.exe
          1⤵
            PID:656
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k DcomLaunch -p
            1⤵
              PID:760
              • C:\Windows\System32\RuntimeBroker.exe
                C:\Windows\System32\RuntimeBroker.exe -Embedding
                2⤵
                  PID:3428
                • C:\Windows\system32\SppExtComObj.exe
                  C:\Windows\system32\SppExtComObj.exe -Embedding
                  2⤵
                    PID:2612
                  • C:\Windows\system32\wbem\wmiprvse.exe
                    C:\Windows\system32\wbem\wmiprvse.exe
                    2⤵
                      PID:2148
                    • C:\Windows\System32\RuntimeBroker.exe
                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                      2⤵
                        PID:4800
                      • C:\Windows\system32\DllHost.exe
                        C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                        2⤵
                          PID:3920
                        • C:\Windows\System32\RuntimeBroker.exe
                          C:\Windows\System32\RuntimeBroker.exe -Embedding
                          2⤵
                            PID:3668
                          • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                            "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                            2⤵
                              PID:3512
                            • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                              "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                              2⤵
                                PID:3360
                              • C:\Windows\system32\DllHost.exe
                                C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                                2⤵
                                  PID:3260
                              • C:\Windows\system32\svchost.exe
                                C:\Windows\system32\svchost.exe -k netsvcs -p -s gpsvc
                                1⤵
                                  PID:432
                                • C:\Windows\system32\svchost.exe
                                  C:\Windows\system32\svchost.exe -k DcomLaunch -p -s LSM
                                  1⤵
                                    PID:940
                                  • C:\Windows\system32\svchost.exe
                                    C:\Windows\system32\svchost.exe -k RPCSS -p
                                    1⤵
                                      PID:892
                                    • C:\Windows\system32\fontdrvhost.exe
                                      "fontdrvhost.exe"
                                      1⤵
                                        PID:768
                                      • C:\Windows\System32\svchost.exe
                                        C:\Windows\System32\svchost.exe -k WerSvcGroup
                                        1⤵
                                          PID:3104
                                          • C:\Windows\SysWOW64\WerFault.exe
                                            C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4964 -ip 4964
                                            2⤵
                                              PID:456
                                          • C:\Windows\system32\svchost.exe
                                            C:\Windows\system32\svchost.exe -k netsvcs -p -s wlidsvc
                                            1⤵
                                              PID:4140
                                            • C:\Windows\System32\svchost.exe
                                              C:\Windows\System32\svchost.exe -k netsvcs -p
                                              1⤵
                                                PID:4264
                                              • C:\Windows\system32\svchost.exe
                                                C:\Windows\system32\svchost.exe -k LocalService -s W32Time
                                                1⤵
                                                  PID:2840
                                                • C:\Windows\System32\svchost.exe
                                                  C:\Windows\System32\svchost.exe -k LocalService -p -s LicenseManager
                                                  1⤵
                                                    PID:2676
                                                  • C:\Windows\system32\svchost.exe
                                                    C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s WinHttpAutoProxySvc
                                                    1⤵
                                                      PID:396
                                                    • C:\Windows\system32\svchost.exe
                                                      C:\Windows\system32\svchost.exe -k LocalService -p -s CDPSvc
                                                      1⤵
                                                        PID:2020
                                                      • C:\Windows\System32\svchost.exe
                                                        C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s StorSvc
                                                        1⤵
                                                          PID:1076
                                                        • C:\Windows\system32\svchost.exe
                                                          C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                                                          1⤵
                                                            PID:2984
                                                          • C:\Windows\Explorer.EXE
                                                            C:\Windows\Explorer.EXE
                                                            1⤵
                                                              PID:3064
                                                              • C:\Users\Admin\AppData\Local\Temp\e40081ecb6bb87bceb8fbe60569557246431b4e4bb5d2f6e370cb577265b2e3b.exe
                                                                "C:\Users\Admin\AppData\Local\Temp\e40081ecb6bb87bceb8fbe60569557246431b4e4bb5d2f6e370cb577265b2e3b.exe"
                                                                2⤵
                                                                • Modifies firewall policy service
                                                                • Sets DLL path for service in the registry
                                                                • Checks computer location settings
                                                                • Loads dropped DLL
                                                                • Drops file in System32 directory
                                                                • Suspicious behavior: EnumeratesProcesses
                                                                • Suspicious behavior: MapViewOfSection
                                                                • Suspicious use of AdjustPrivilegeToken
                                                                • Suspicious use of SetWindowsHookEx
                                                                • Suspicious use of WriteProcessMemory
                                                                PID:4964
                                                                • C:\Windows\SysWOW64\WerFault.exe
                                                                  C:\Windows\SysWOW64\WerFault.exe -u -p 4964 -s 1668
                                                                  3⤵
                                                                  • Program crash
                                                                  PID:2232
                                                            • C:\Windows\system32\taskhostw.exe
                                                              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                                                              1⤵
                                                                PID:2720
                                                              • C:\Windows\system32\svchost.exe
                                                                C:\Windows\system32\svchost.exe -k netsvcs -p -s WpnService
                                                                1⤵
                                                                  PID:2596
                                                                • C:\Windows\system32\svchost.exe
                                                                  C:\Windows\system32\svchost.exe -k netsvcs -p -s Winmgmt
                                                                  1⤵
                                                                    PID:2584
                                                                  • C:\Windows\System32\svchost.exe
                                                                    C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s TrkWks
                                                                    1⤵
                                                                      PID:2564
                                                                    • C:\Windows\system32\svchost.exe
                                                                      C:\Windows\system32\svchost.exe -k NetworkService -p -s CryptSvc
                                                                      1⤵
                                                                        PID:2512
                                                                      • C:\Windows\system32\svchost.exe
                                                                        C:\Windows\system32\svchost.exe -k netsvcs -p -s LanmanServer
                                                                        1⤵
                                                                          PID:2496
                                                                        • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                                                          "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                                                          1⤵
                                                                            PID:2476
                                                                          • C:\Windows\system32\svchost.exe
                                                                            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                                                                            1⤵
                                                                              PID:2452
                                                                            • C:\Windows\system32\sihost.exe
                                                                              sihost.exe
                                                                              1⤵
                                                                                PID:2432
                                                                              • C:\Windows\system32\svchost.exe
                                                                                C:\Windows\system32\svchost.exe -k netsvcs -p -s IKEEXT
                                                                                1⤵
                                                                                  PID:2336
                                                                                • C:\Windows\system32\svchost.exe
                                                                                  C:\Windows\system32\svchost.exe -k NetworkServiceNetworkRestricted -p -s PolicyAgent
                                                                                  1⤵
                                                                                    PID:2328
                                                                                  • C:\Windows\System32\svchost.exe
                                                                                    C:\Windows\System32\svchost.exe -k NetworkService -p -s LanmanWorkstation
                                                                                    1⤵
                                                                                      PID:2088
                                                                                    • C:\Windows\system32\svchost.exe
                                                                                      C:\Windows\system32\svchost.exe -k LocalServiceNoNetworkFirewall -p
                                                                                      1⤵
                                                                                        PID:1992
                                                                                      • C:\Windows\System32\svchost.exe
                                                                                        C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -s RmSvc
                                                                                        1⤵
                                                                                          PID:1800
                                                                                        • C:\Windows\System32\spoolsv.exe
                                                                                          C:\Windows\System32\spoolsv.exe
                                                                                          1⤵
                                                                                            PID:1264
                                                                                          • C:\Windows\System32\svchost.exe
                                                                                            C:\Windows\System32\svchost.exe -k netsvcs -p -s ShellHWDetection
                                                                                            1⤵
                                                                                              PID:1984
                                                                                            • C:\Windows\system32\svchost.exe
                                                                                              C:\Windows\system32\svchost.exe -k appmodel -p -s StateRepository
                                                                                              1⤵
                                                                                                PID:1928
                                                                                              • C:\Windows\System32\svchost.exe
                                                                                                C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
                                                                                                1⤵
                                                                                                  PID:1904
                                                                                                • C:\Windows\system32\svchost.exe
                                                                                                  C:\Windows\system32\svchost.exe -k NetworkService -p -s Dnscache
                                                                                                  1⤵
                                                                                                    PID:1892
                                                                                                  • C:\Windows\System32\svchost.exe
                                                                                                    C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
                                                                                                    1⤵
                                                                                                      PID:1768
                                                                                                    • C:\Windows\System32\svchost.exe
                                                                                                      C:\Windows\System32\svchost.exe -k LocalService -p -s netprofm
                                                                                                      1⤵
                                                                                                        PID:1752
                                                                                                      • C:\Windows\system32\svchost.exe
                                                                                                        C:\Windows\system32\svchost.exe -k LocalService -p -s FontCache
                                                                                                        1⤵
                                                                                                          PID:1644
                                                                                                        • C:\Windows\System32\svchost.exe
                                                                                                          C:\Windows\System32\svchost.exe -k NetworkService -p -s NlaSvc
                                                                                                          1⤵
                                                                                                            PID:1628
                                                                                                          • C:\Windows\System32\svchost.exe
                                                                                                            C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s AudioEndpointBuilder
                                                                                                            1⤵
                                                                                                              PID:1608
                                                                                                            • C:\Windows\system32\svchost.exe
                                                                                                              C:\Windows\system32\svchost.exe -k netsvcs -p -s SENS
                                                                                                              1⤵
                                                                                                                PID:1572
                                                                                                              • C:\Windows\system32\svchost.exe
                                                                                                                C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s Dhcp
                                                                                                                1⤵
                                                                                                                  PID:1492
                                                                                                                • C:\Windows\system32\svchost.exe
                                                                                                                  C:\Windows\system32\svchost.exe -k LocalService -p -s EventSystem
                                                                                                                  1⤵
                                                                                                                    PID:1452
                                                                                                                  • C:\Windows\System32\svchost.exe
                                                                                                                    C:\Windows\System32\svchost.exe -k netsvcs -p -s Themes
                                                                                                                    1⤵
                                                                                                                      PID:1440
                                                                                                                    • C:\Windows\system32\svchost.exe
                                                                                                                      C:\Windows\system32\svchost.exe -k LocalService -p -s nsi
                                                                                                                      1⤵
                                                                                                                        PID:1316
                                                                                                                      • C:\Windows\system32\svchost.exe
                                                                                                                        C:\Windows\system32\svchost.exe -k netsvcs -p -s UserManager
                                                                                                                        1⤵
                                                                                                                          PID:1300
                                                                                                                        • C:\Windows\system32\svchost.exe
                                                                                                                          C:\Windows\system32\svchost.exe -k LocalService -p -s DispBrokerDesktopSvc
                                                                                                                          1⤵
                                                                                                                            PID:1224
                                                                                                                          • C:\Windows\System32\svchost.exe
                                                                                                                            C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s EventLog
                                                                                                                            1⤵
                                                                                                                              PID:1196
                                                                                                                            • C:\Windows\system32\svchost.exe
                                                                                                                              C:\Windows\system32\svchost.exe -k netsvcs -p -s ProfSvc
                                                                                                                              1⤵
                                                                                                                                PID:1184
                                                                                                                              • C:\Windows\system32\svchost.exe
                                                                                                                                C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s TimeBrokerSvc
                                                                                                                                1⤵
                                                                                                                                  PID:1064
                                                                                                                                • C:\Windows\System32\svchost.exe
                                                                                                                                  C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s NcbService
                                                                                                                                  1⤵
                                                                                                                                    PID:1044
                                                                                                                                  • C:\Windows\system32\svchost.exe
                                                                                                                                    C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork -p
                                                                                                                                    1⤵
                                                                                                                                      PID:1028
                                                                                                                                    • C:\Windows\system32\svchost.exe
                                                                                                                                      C:\Windows\system32\svchost.exe -k netsvcs -p -s Schedule
                                                                                                                                      1⤵
                                                                                                                                        PID:996
                                                                                                                                      • C:\Windows\System32\svchost.exe
                                                                                                                                        C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s lmhosts
                                                                                                                                        1⤵
                                                                                                                                          PID:720
                                                                                                                                        • C:\Windows\SysWOW64\svchost.exe
                                                                                                                                          C:\Windows\SysWOW64\svchost.exe -k "Stysm Prorest"
                                                                                                                                          1⤵
                                                                                                                                            PID:532
                                                                                                                                          • C:\Windows\SysWOW64\svchost.exe
                                                                                                                                            C:\Windows\SysWOW64\svchost.exe -k "Stysm Prorest"
                                                                                                                                            1⤵
                                                                                                                                            • Loads dropped DLL
                                                                                                                                            • Drops file in System32 directory
                                                                                                                                            PID:448
                                                                                                                                            • C:\Windows\SysWOW64\Stysm Prorest.exe
                                                                                                                                              "C:\Windows\system32\Stysm Prorest.exe" "c:\users\admin\appdata\local\temp\240550031.dll",MainThread
                                                                                                                                              2⤵
                                                                                                                                              • Executes dropped EXE
                                                                                                                                              • Loads dropped DLL
                                                                                                                                              PID:4184

                                                                                                                                          Network

                                                                                                                                          MITRE ATT&CK Enterprise v6

                                                                                                                                          Replay Monitor

                                                                                                                                          Loading Replay Monitor...

                                                                                                                                          Downloads

                                                                                                                                          • C:\Users\Admin\AppData\Local\Temp\240550031.dll

                                                                                                                                            Filesize

                                                                                                                                            26KB

                                                                                                                                            MD5

                                                                                                                                            8d50e0ddc6ec657765e41f5b2408561f

                                                                                                                                            SHA1

                                                                                                                                            3b6d7c4face9167061ed60ba09ac32e52d758d91

                                                                                                                                            SHA256

                                                                                                                                            0ecb3b1b56c98ba24e10541e6638afbf91cc4ac680a9770650126e6d0ccd86da

                                                                                                                                            SHA512

                                                                                                                                            3b0ea7689f99ff7c11a49b6ea583916013ad48adbc1603594dcdf9c69bfe23d182208e74ff906c218484bf2c1550074a7de050b39f73aa3c0f2d26f8fdb36255

                                                                                                                                          • C:\Users\Admin\AppData\Local\Temp\240550031.dll

                                                                                                                                            Filesize

                                                                                                                                            26KB

                                                                                                                                            MD5

                                                                                                                                            8d50e0ddc6ec657765e41f5b2408561f

                                                                                                                                            SHA1

                                                                                                                                            3b6d7c4face9167061ed60ba09ac32e52d758d91

                                                                                                                                            SHA256

                                                                                                                                            0ecb3b1b56c98ba24e10541e6638afbf91cc4ac680a9770650126e6d0ccd86da

                                                                                                                                            SHA512

                                                                                                                                            3b0ea7689f99ff7c11a49b6ea583916013ad48adbc1603594dcdf9c69bfe23d182208e74ff906c218484bf2c1550074a7de050b39f73aa3c0f2d26f8fdb36255

                                                                                                                                          • C:\Users\Admin\AppData\Local\Temp\240550031.dll

                                                                                                                                            Filesize

                                                                                                                                            26KB

                                                                                                                                            MD5

                                                                                                                                            8d50e0ddc6ec657765e41f5b2408561f

                                                                                                                                            SHA1

                                                                                                                                            3b6d7c4face9167061ed60ba09ac32e52d758d91

                                                                                                                                            SHA256

                                                                                                                                            0ecb3b1b56c98ba24e10541e6638afbf91cc4ac680a9770650126e6d0ccd86da

                                                                                                                                            SHA512

                                                                                                                                            3b0ea7689f99ff7c11a49b6ea583916013ad48adbc1603594dcdf9c69bfe23d182208e74ff906c218484bf2c1550074a7de050b39f73aa3c0f2d26f8fdb36255

                                                                                                                                          • C:\Windows\SysWOW64\Stysm Prorest.exe

                                                                                                                                            Filesize

                                                                                                                                            60KB

                                                                                                                                            MD5

                                                                                                                                            889b99c52a60dd49227c5e485a016679

                                                                                                                                            SHA1

                                                                                                                                            8fa889e456aa646a4d0a4349977430ce5fa5e2d7

                                                                                                                                            SHA256

                                                                                                                                            6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

                                                                                                                                            SHA512

                                                                                                                                            08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

                                                                                                                                          • C:\Windows\SysWOW64\Stysm Prorest.exe

                                                                                                                                            Filesize

                                                                                                                                            60KB

                                                                                                                                            MD5

                                                                                                                                            889b99c52a60dd49227c5e485a016679

                                                                                                                                            SHA1

                                                                                                                                            8fa889e456aa646a4d0a4349977430ce5fa5e2d7

                                                                                                                                            SHA256

                                                                                                                                            6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

                                                                                                                                            SHA512

                                                                                                                                            08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

                                                                                                                                          • \??\c:\users\admin\appdata\local\temp\240550031.dll

                                                                                                                                            Filesize

                                                                                                                                            26KB

                                                                                                                                            MD5

                                                                                                                                            8d50e0ddc6ec657765e41f5b2408561f

                                                                                                                                            SHA1

                                                                                                                                            3b6d7c4face9167061ed60ba09ac32e52d758d91

                                                                                                                                            SHA256

                                                                                                                                            0ecb3b1b56c98ba24e10541e6638afbf91cc4ac680a9770650126e6d0ccd86da

                                                                                                                                            SHA512

                                                                                                                                            3b0ea7689f99ff7c11a49b6ea583916013ad48adbc1603594dcdf9c69bfe23d182208e74ff906c218484bf2c1550074a7de050b39f73aa3c0f2d26f8fdb36255

                                                                                                                                          • memory/4184-137-0x0000000000000000-mapping.dmp

                                                                                                                                          • memory/4964-132-0x0000000000400000-0x0000000000415000-memory.dmp

                                                                                                                                            Filesize

                                                                                                                                            84KB

                                                                                                                                          • memory/4964-136-0x0000000000400000-0x0000000000415000-memory.dmp

                                                                                                                                            Filesize

                                                                                                                                            84KB