Analysis

  • max time kernel
    147s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/09/2024, 21:27

General

  • Target
    2024-09-10_e07329bd08558c86f4b80329b2c95443_floxif_icedid.exe
  • Size 496KB
  • Sample240910-1arsfaxdnf
  • SHA256 1cf18727f50796be1617a3d499678576e49400c08d0d5d6a026c043509d6bb9a
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Floxif, Floodfix

    Floxif aka FloodFix is a file-changing trojan and backdoor written in C++.

  • Modifies firewall policy service 3 TTPs 4 IoCs
  • Detects Floxif payload 1 IoCs
  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Loads dropped DLL 1 IoCs
  • UPX packed file 7 IoCs

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

  • Enumerates connected drives 3 TTPs 1 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious behavior: MapViewOfSection 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\winlogon.exe
    winlogon.exe
    1⤵
      PID:624
      • C:\Windows\system32\fontdrvhost.exe
        "fontdrvhost.exe"
        2⤵
          PID:800
        • C:\Windows\system32\dwm.exe
          "dwm.exe"
          2⤵
            PID:332
        • C:\Windows\system32\lsass.exe
          C:\Windows\system32\lsass.exe
          1⤵
            PID:684
          • C:\Windows\system32\fontdrvhost.exe
            "fontdrvhost.exe"
            1⤵
              PID:792
            • C:\Windows\system32\svchost.exe
              C:\Windows\system32\svchost.exe -k DcomLaunch -p
              1⤵
                PID:808
                • C:\Windows\system32\wbem\unsecapp.exe
                  C:\Windows\system32\wbem\unsecapp.exe -Embedding
                  2⤵
                    PID:3088
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    2⤵
                      PID:3820
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      2⤵
                        PID:3920
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        2⤵
                          PID:3984
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          2⤵
                            PID:4068
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            2⤵
                              PID:3576
                            • C:\Windows\system32\SppExtComObj.exe
                              C:\Windows\system32\SppExtComObj.exe -Embedding
                              2⤵
                                PID:468
                              • C:\Windows\system32\DllHost.exe
                                C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                                2⤵
                                  PID:2060
                                • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe
                                  "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe" -ServerName:InputApp.AppX9jnwykgrccxc8by3hsrsh07r423xzvav.mca
                                  2⤵
                                    PID:2320
                                  • C:\Windows\System32\RuntimeBroker.exe
                                    C:\Windows\System32\RuntimeBroker.exe -Embedding
                                    2⤵
                                      PID:4548
                                    • C:\Windows\system32\backgroundTaskHost.exe
                                      "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                      2⤵
                                        PID:3028
                                      • C:\Windows\system32\BackgroundTaskHost.exe
                                        "C:\Windows\system32\BackgroundTaskHost.exe" -ServerName:BackgroundTaskHost.WebAccountProvider
                                        2⤵
                                          PID:932
                                        • C:\Windows\System32\RuntimeBroker.exe
                                          C:\Windows\System32\RuntimeBroker.exe -Embedding
                                          2⤵
                                            PID:2844
                                        • C:\Windows\system32\svchost.exe
                                          C:\Windows\system32\svchost.exe -k RPCSS -p
                                          1⤵
                                            PID:920
                                          • C:\Windows\system32\svchost.exe
                                            C:\Windows\system32\svchost.exe -k DcomLaunch -p -s LSM
                                            1⤵
                                              PID:968
                                            • C:\Windows\system32\svchost.exe
                                              C:\Windows\system32\svchost.exe -k netsvcs -p -s gpsvc
                                              1⤵
                                                PID:752
                                              • C:\Windows\system32\svchost.exe
                                                C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork -p
                                                1⤵
                                                  PID:1008
                                                • C:\Windows\System32\svchost.exe
                                                  C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s lmhosts
                                                  1⤵
                                                    PID:664
                                                  • C:\Windows\System32\svchost.exe
                                                    C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s NcbService
                                                    1⤵
                                                      PID:1088
                                                    • C:\Windows\system32\svchost.exe
                                                      C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s TimeBrokerSvc
                                                      1⤵
                                                        PID:1128
                                                      • C:\Windows\System32\svchost.exe
                                                        C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s EventLog
                                                        1⤵
                                                          PID:1216
                                                        • C:\Windows\system32\svchost.exe
                                                          C:\Windows\system32\svchost.exe -k netsvcs -p -s Schedule
                                                          1⤵
                                                            PID:1224
                                                            • C:\Windows\system32\taskhostw.exe
                                                              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                                                              2⤵
                                                                PID:2860
                                                              • C:\Windows\system32\MusNotification.exe
                                                                C:\Windows\system32\MusNotification.exe
                                                                2⤵
                                                                  PID:4820
                                                              • C:\Windows\system32\svchost.exe
                                                                C:\Windows\system32\svchost.exe -k netsvcs -p -s ProfSvc
                                                                1⤵
                                                                  PID:1264
                                                                • C:\Windows\system32\svchost.exe
                                                                  C:\Windows\system32\svchost.exe -k LocalService -p -s DispBrokerDesktopSvc
                                                                  1⤵
                                                                    PID:1276
                                                                  • C:\Windows\system32\svchost.exe
                                                                    C:\Windows\system32\svchost.exe -k LocalService -p -s nsi
                                                                    1⤵
                                                                      PID:1344
                                                                    • C:\Windows\system32\svchost.exe
                                                                      C:\Windows\system32\svchost.exe -k netsvcs -p -s UserManager
                                                                      1⤵
                                                                        PID:1404
                                                                        • C:\Windows\system32\sihost.exe
                                                                          sihost.exe
                                                                          2⤵
                                                                            PID:2644
                                                                        • C:\Windows\system32\svchost.exe
                                                                          C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s Dhcp
                                                                          1⤵
                                                                            PID:1468
                                                                          • C:\Windows\system32\svchost.exe
                                                                            C:\Windows\system32\svchost.exe -k LocalService -p -s EventSystem
                                                                            1⤵
                                                                              PID:1548
                                                                            • C:\Windows\System32\svchost.exe
                                                                              C:\Windows\System32\svchost.exe -k netsvcs -p -s Themes
                                                                              1⤵
                                                                                PID:1556
                                                                              • C:\Windows\System32\svchost.exe
                                                                                C:\Windows\System32\svchost.exe -k NetworkService -p -s NlaSvc
                                                                                1⤵
                                                                                  PID:1652
                                                                                • C:\Windows\system32\svchost.exe
                                                                                  C:\Windows\system32\svchost.exe -k netsvcs -p -s SENS
                                                                                  1⤵
                                                                                    PID:1692
                                                                                  • C:\Windows\System32\svchost.exe
                                                                                    C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s AudioEndpointBuilder
                                                                                    1⤵
                                                                                      PID:1736
                                                                                    • C:\Windows\System32\svchost.exe
                                                                                      C:\Windows\System32\svchost.exe -k LocalService -p -s netprofm
                                                                                      1⤵
                                                                                        PID:1760
                                                                                      • C:\Windows\System32\svchost.exe
                                                                                        C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
                                                                                        1⤵
                                                                                          PID:1820
                                                                                        • C:\Windows\system32\svchost.exe
                                                                                          C:\Windows\system32\svchost.exe -k NetworkService -p -s Dnscache
                                                                                          1⤵
                                                                                            PID:1984
                                                                                          • C:\Windows\System32\svchost.exe
                                                                                            C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
                                                                                            1⤵
                                                                                              PID:1992
                                                                                            • C:\Windows\system32\svchost.exe
                                                                                              C:\Windows\system32\svchost.exe -k appmodel -p -s StateRepository
                                                                                              1⤵
                                                                                                PID:2004
                                                                                              • C:\Windows\System32\svchost.exe
                                                                                                C:\Windows\System32\svchost.exe -k netsvcs -p -s ShellHWDetection
                                                                                                1⤵
                                                                                                  PID:1668
                                                                                                • C:\Windows\system32\svchost.exe
                                                                                                  C:\Windows\system32\svchost.exe -k netsvcs -p -s Winmgmt
                                                                                                  1⤵
                                                                                                    PID:1756
                                                                                                  • C:\Windows\System32\spoolsv.exe
                                                                                                    C:\Windows\System32\spoolsv.exe
                                                                                                    1⤵
                                                                                                      PID:2132
                                                                                                    • C:\Windows\system32\svchost.exe
                                                                                                      C:\Windows\system32\svchost.exe -k LocalServiceNoNetworkFirewall -p
                                                                                                      1⤵
                                                                                                        PID:2172
                                                                                                      • C:\Windows\System32\svchost.exe
                                                                                                        C:\Windows\System32\svchost.exe -k NetworkService -p -s LanmanWorkstation
                                                                                                        1⤵
                                                                                                          PID:2224
                                                                                                        • C:\Windows\System32\svchost.exe
                                                                                                          C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -s RmSvc
                                                                                                          1⤵
                                                                                                            PID:2260
                                                                                                          • C:\Windows\system32\svchost.exe
                                                                                                            C:\Windows\system32\svchost.exe -k NetworkServiceNetworkRestricted -p -s PolicyAgent
                                                                                                            1⤵
                                                                                                              PID:2452
                                                                                                            • C:\Windows\system32\svchost.exe
                                                                                                              C:\Windows\system32\svchost.exe -k netsvcs -p -s IKEEXT
                                                                                                              1⤵
                                                                                                                PID:2460
                                                                                                              • C:\Windows\system32\svchost.exe
                                                                                                                C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                                                                                                                1⤵
                                                                                                                  PID:2668
                                                                                                                • C:\Windows\system32\svchost.exe
                                                                                                                  C:\Windows\system32\svchost.exe -k NetworkService -p -s CryptSvc
                                                                                                                  1⤵
                                                                                                                    PID:2740
                                                                                                                  • C:\Windows\system32\svchost.exe
                                                                                                                    C:\Windows\system32\svchost.exe -k netsvcs -p -s TokenBroker
                                                                                                                    1⤵
                                                                                                                      PID:2772
                                                                                                                    • C:\Windows\system32\svchost.exe
                                                                                                                      C:\Windows\system32\svchost.exe -k netsvcs -p -s LanmanServer
                                                                                                                      1⤵
                                                                                                                        PID:2792
                                                                                                                      • C:\Windows\sysmon.exe
                                                                                                                        C:\Windows\sysmon.exe
                                                                                                                        1⤵
                                                                                                                          PID:2808
                                                                                                                        • C:\Windows\System32\svchost.exe
                                                                                                                          C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s TrkWks
                                                                                                                          1⤵
                                                                                                                            PID:2824
                                                                                                                          • C:\Windows\system32\svchost.exe
                                                                                                                            C:\Windows\system32\svchost.exe -k netsvcs -p -s WpnService
                                                                                                                            1⤵
                                                                                                                              PID:2836
                                                                                                                            • C:\Windows\system32\svchost.exe
                                                                                                                              C:\Windows\system32\svchost.exe -k LocalService -p -s CDPSvc
                                                                                                                              1⤵
                                                                                                                                PID:3428
                                                                                                                              • C:\Windows\Explorer.EXE
                                                                                                                                C:\Windows\Explorer.EXE
                                                                                                                                1⤵
                                                                                                                                  PID:3464
                                                                                                                                  • C:\Users\Admin\AppData\Local\Temp\2024-09-10_e07329bd08558c86f4b80329b2c95443_floxif_icedid.exe
                                                                                                                                    "C:\Users\Admin\AppData\Local\Temp\2024-09-10_e07329bd08558c86f4b80329b2c95443_floxif_icedid.exe"
                                                                                                                                    2⤵
                                                                                                                                    • Modifies firewall policy service
                                                                                                                                    • Loads dropped DLL
                                                                                                                                    • Enumerates connected drives
                                                                                                                                    • Drops file in Program Files directory
                                                                                                                                    • System Location Discovery: System Language Discovery
                                                                                                                                    • Suspicious behavior: EnumeratesProcesses
                                                                                                                                    • Suspicious behavior: MapViewOfSection
                                                                                                                                    • Suspicious use of AdjustPrivilegeToken
                                                                                                                                    • Suspicious use of SetWindowsHookEx
                                                                                                                                    • Suspicious use of WriteProcessMemory
                                                                                                                                    PID:3224
                                                                                                                                • C:\Windows\system32\svchost.exe
                                                                                                                                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                                                                                                                                  1⤵
                                                                                                                                    PID:3644
                                                                                                                                  • C:\Windows\system32\svchost.exe
                                                                                                                                    C:\Windows\system32\svchost.exe -k netsvcs -p -s wlidsvc
                                                                                                                                    1⤵
                                                                                                                                      PID:4276
                                                                                                                                    • C:\Windows\System32\svchost.exe
                                                                                                                                      C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s StorSvc
                                                                                                                                      1⤵
                                                                                                                                        PID:4824
                                                                                                                                      • C:\Windows\system32\svchost.exe
                                                                                                                                        C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p -s SSDPSRV
                                                                                                                                        1⤵
                                                                                                                                          PID:1172
                                                                                                                                        • C:\Windows\system32\svchost.exe
                                                                                                                                          C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s WinHttpAutoProxySvc
                                                                                                                                          1⤵
                                                                                                                                            PID:2872
                                                                                                                                          • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                                                                                                                            "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                                                                                                                            1⤵
                                                                                                                                              PID:2012
                                                                                                                                            • C:\Windows\System32\svchost.exe
                                                                                                                                              C:\Windows\System32\svchost.exe -k LocalService -p -s LicenseManager
                                                                                                                                              1⤵
                                                                                                                                                PID:4712
                                                                                                                                              • C:\Windows\system32\svchost.exe
                                                                                                                                                C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s NgcCtnrSvc
                                                                                                                                                1⤵
                                                                                                                                                  PID:3284
                                                                                                                                                • C:\Windows\system32\svchost.exe
                                                                                                                                                  C:\Windows\system32\svchost.exe -k netsvcs -p -s Appinfo
                                                                                                                                                  1⤵
                                                                                                                                                    PID:1796
                                                                                                                                                  • C:\Windows\system32\svchost.exe
                                                                                                                                                    C:\Windows\system32\svchost.exe -k appmodel -p -s camsvc
                                                                                                                                                    1⤵
                                                                                                                                                      PID:2752

                                                                                                                                                    Network

                                                                                                                                                          MITRE ATT&CK Enterprise v15

                                                                                                                                                          Replay Monitor

                                                                                                                                                          Loading Replay Monitor...

                                                                                                                                                          Downloads

                                                                                                                                                          symsrv.dll

                                                                                                                                                          • Path C:\Program Files\Common Files\System\symsrv.dll
                                                                                                                                                          • Size 67KB
                                                                                                                                                          • SHA256 de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
                                                                                                                                                          • MD5 SHA1 SHA512 SSDEEP

                                                                                                                                                          symsrv.dll.000

                                                                                                                                                          • Path C:\Program Files\Common Files\System\symsrv.dll.000
                                                                                                                                                          • Size 175B
                                                                                                                                                          • SHA256 eba08cc8182f379392a97f542b350ea0dbbe5e4009472f35af20e3d857eafdf1
                                                                                                                                                          • MD5 SHA1 SHA512

                                                                                                                                                          memory/3224-7-0x000000007FE40000-0x000000007FE4C000-memory.dmp

                                                                                                                                                          memory/3224-21-0x0000000010000000-0x0000000010030000-memory.dmp

                                                                                                                                                          memory/3224-9-0x0000000077E73000-0x0000000077E74000-memory.dmp

                                                                                                                                                          memory/3224-0-0x0000000000400000-0x00000000004BE000-memory.dmp

                                                                                                                                                          memory/3224-10-0x0000000000429000-0x000000000042C000-memory.dmp

                                                                                                                                                          memory/3224-11-0x000000007FE40000-0x000000007FE4C000-memory.dmp

                                                                                                                                                          memory/3224-18-0x0000000000400000-0x00000000004BE000-memory.dmp

                                                                                                                                                          memory/3224-19-0x000000007FE40000-0x000000007FE4C000-memory.dmp

                                                                                                                                                          memory/3224-20-0x000000007FE40000-0x000000007FE4C000-memory.dmp

                                                                                                                                                          memory/3224-8-0x0000000077E72000-0x0000000077E73000-memory.dmp

                                                                                                                                                          memory/3224-24-0x0000000000400000-0x00000000004BE000-memory.dmp

                                                                                                                                                          memory/3224-25-0x0000000010000000-0x0000000010030000-memory.dmp

                                                                                                                                                          memory/3224-30-0x0000000010000000-0x0000000010030000-memory.dmp

                                                                                                                                                          memory/3224-5-0x0000000010000000-0x0000000010030000-memory.dmp

                                                                                                                                                          memory/3224-35-0x0000000010000000-0x0000000010030000-memory.dmp

                                                                                                                                                          memory/3224-39-0x000000007FE40000-0x000000007FE4C000-memory.dmp

                                                                                                                                                          memory/3224-42-0x0000000010000000-0x0000000010030000-memory.dmp

                                                                                                                                                          memory/3224-43-0x000000007FE40000-0x000000007FE4C000-memory.dmp

                                                                                                                                                          memory/3224-44-0x000000007FE40000-0x000000007FE4C000-memory.dmp