Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-08-2024 04:22

General

  • Target

    2024-08-16_3e44ae0c6620fba7435f0bd9a65cf632_floxif_icedid.exe

  • Size

    652KB

  • MD5

    3e44ae0c6620fba7435f0bd9a65cf632

  • SHA1

    eff1e2cbe9c6bd0e1a6d555474eac06788206d4b

  • SHA256

    c119b249fc0b3115369a88115022e0541aa7e9d1647e1c1633765a095f4bbf0a

  • SHA512

    e7a517307a694a75ed0477721009968dfa47a3035924856c306c3a90f041e64931eeccd3c92b01aea158741d17e7dfc17eeb86b1a85aef06686c52c50470d4d5

  • SSDEEP

    12288:6c3o//sNIwQ8zff9dIU82DbQFL+mh4zBjvrEH73d:6L8Tf922DkFL+yerEH73d

Malware Config

Extracted

Family

sality

C2

http://89.119.67.154/testo5/

http://kukutrustnet777.info/home.gif

http://kukutrustnet888.info/home.gif

http://kukutrustnet987.info/home.gif

http://www.klkjwre9fqwieluoi.info/

http://kukutrustnet777888.info/

Signatures

  • Floxif, Floodfix

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

  • Modifies firewall policy service 3 TTPs 3 IoCs
  • Sality

    Sality is backdoor written in C++, first discovered in 2003.

  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • Detects Floxif payload 1 IoCs
  • Disables RegEdit via registry modification 1 IoCs
  • Disables Task Manager via registry modification
  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Loads dropped DLL 1 IoCs
  • UPX packed file 21 IoCs

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

  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 3 IoCs

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

  • Drops file in Program Files directory 2 IoCs
  • Drops file in Windows directory 1 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 23 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 37 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:800
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:792
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:64
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:620
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:768
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:3120
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3384
                  • C:\Users\Admin\AppData\Local\Temp\2024-08-16_3e44ae0c6620fba7435f0bd9a65cf632_floxif_icedid.exe
                    "C:\Users\Admin\AppData\Local\Temp\2024-08-16_3e44ae0c6620fba7435f0bd9a65cf632_floxif_icedid.exe"
                    2⤵
                    • Modifies firewall policy service
                    • UAC bypass
                    • Windows security bypass
                    • Disables RegEdit via registry modification
                    • Loads dropped DLL
                    • Windows security modification
                    • Checks whether UAC is enabled
                    • Enumerates connected drives
                    • Drops file in Program Files directory
                    • Drops file in Windows directory
                    • System Location Discovery: System Language Discovery
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of SetWindowsHookEx
                    • Suspicious use of WriteProcessMemory
                    • System policy modification
                    PID:3992
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3564
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3748
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3840
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3908
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:3996
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3584
                            • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe
                              "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe" -ServerName:InputApp.AppX9jnwykgrccxc8by3hsrsh07r423xzvav.mca
                              1⤵
                                PID:952
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:1980
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                                  1⤵
                                    PID:5092
                                  • C:\Windows\system32\backgroundTaskHost.exe
                                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                    1⤵
                                      PID:1960
                                    • C:\Windows\system32\BackgroundTaskHost.exe
                                      "C:\Windows\system32\BackgroundTaskHost.exe" -ServerName:BackgroundTaskHost.WebAccountProvider
                                      1⤵
                                        PID:2340
                                      • C:\Windows\System32\RuntimeBroker.exe
                                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                                        1⤵
                                          PID:2056
                                        • C:\Windows\System32\RuntimeBroker.exe
                                          C:\Windows\System32\RuntimeBroker.exe -Embedding
                                          1⤵
                                            PID:1788

                                          Network

                                          MITRE ATT&CK Enterprise v15

                                          Replay Monitor

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                                          Downloads

                                          • C:\Program Files\Common Files\System\symsrv.dll

                                            Filesize

                                            67KB

                                            MD5

                                            7574cf2c64f35161ab1292e2f532aabf

                                            SHA1

                                            14ba3fa927a06224dfe587014299e834def4644f

                                            SHA256

                                            de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

                                            SHA512

                                            4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

                                          • memory/3992-11-0x00000000035D0000-0x000000000465E000-memory.dmp

                                            Filesize

                                            16.6MB

                                          • memory/3992-19-0x00000000035D0000-0x000000000465E000-memory.dmp

                                            Filesize

                                            16.6MB

                                          • memory/3992-15-0x00000000047C0000-0x00000000047C1000-memory.dmp

                                            Filesize

                                            4KB

                                          • memory/3992-12-0x00000000035D0000-0x000000000465E000-memory.dmp

                                            Filesize

                                            16.6MB

                                          • memory/3992-14-0x00000000047B0000-0x00000000047B2000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/3992-22-0x0000000000421000-0x0000000000424000-memory.dmp

                                            Filesize

                                            12KB

                                          • memory/3992-21-0x00000000047B0000-0x00000000047B2000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/3992-18-0x00000000035D0000-0x000000000465E000-memory.dmp

                                            Filesize

                                            16.6MB

                                          • memory/3992-17-0x00000000035D0000-0x000000000465E000-memory.dmp

                                            Filesize

                                            16.6MB

                                          • memory/3992-20-0x00000000035D0000-0x000000000465E000-memory.dmp

                                            Filesize

                                            16.6MB

                                          • memory/3992-13-0x00000000035D0000-0x000000000465E000-memory.dmp

                                            Filesize

                                            16.6MB

                                          • memory/3992-23-0x00000000035D0000-0x000000000465E000-memory.dmp

                                            Filesize

                                            16.6MB

                                          • memory/3992-9-0x00000000035D0000-0x000000000465E000-memory.dmp

                                            Filesize

                                            16.6MB

                                          • memory/3992-0-0x0000000000400000-0x000000000048E000-memory.dmp

                                            Filesize

                                            568KB

                                          • memory/3992-16-0x00000000047B0000-0x00000000047B2000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/3992-5-0x0000000010000000-0x0000000010030000-memory.dmp

                                            Filesize

                                            192KB

                                          • memory/3992-10-0x00000000035D0000-0x000000000465E000-memory.dmp

                                            Filesize

                                            16.6MB

                                          • memory/3992-24-0x00000000035D0000-0x000000000465E000-memory.dmp

                                            Filesize

                                            16.6MB

                                          • memory/3992-29-0x00000000035D0000-0x000000000465E000-memory.dmp

                                            Filesize

                                            16.6MB

                                          • memory/3992-31-0x00000000035D0000-0x000000000465E000-memory.dmp

                                            Filesize

                                            16.6MB

                                          • memory/3992-32-0x00000000035D0000-0x000000000465E000-memory.dmp

                                            Filesize

                                            16.6MB

                                          • memory/3992-33-0x0000000000400000-0x000000000048E000-memory.dmp

                                            Filesize

                                            568KB

                                          • memory/3992-35-0x00000000035D0000-0x000000000465E000-memory.dmp

                                            Filesize

                                            16.6MB

                                          • memory/3992-36-0x0000000010000000-0x0000000010030000-memory.dmp

                                            Filesize

                                            192KB

                                          • memory/3992-37-0x00000000035D0000-0x000000000465E000-memory.dmp

                                            Filesize

                                            16.6MB

                                          • memory/3992-47-0x00000000047B0000-0x00000000047B2000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/3992-38-0x00000000035D0000-0x000000000465E000-memory.dmp

                                            Filesize

                                            16.6MB

                                          • memory/3992-57-0x0000000010000000-0x0000000010030000-memory.dmp

                                            Filesize

                                            192KB

                                          • memory/3992-56-0x0000000000400000-0x000000000048E000-memory.dmp

                                            Filesize

                                            568KB