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Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/07/2023, 18:51

General

  • Target

    b3772d8e8eb2a4032704616f5c0ea09623ffa7a67e921851a10f6fcb73ad70ce.exe

  • Size

    12.1MB

  • MD5

    9f84cf13bf08eb24ece2f9d241b2c653

  • SHA1

    b609811f96c4cdd989b07dde352c0112de129dca

  • SHA256

    b3772d8e8eb2a4032704616f5c0ea09623ffa7a67e921851a10f6fcb73ad70ce

  • SHA512

    693299ec0c4bc514dcc42ae674de32c9a5be1ccde8ed41e91dda6f015046abb47472042c09ce0d4cf7982bff382e1a14a28942ce0079c125a35363a00356f020

  • SSDEEP

    393216:xZyUH+5MD1W5uKLIg56cMTVZ8b6InE842w:xZyUH+5MD1W5uKLIg56cMTVZ8b6IE84T

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

  • Modifies firewall policy service 2 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
  • UPX packed file 7 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
  • Drops file in Windows directory 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:784
    • C:\Windows\System32\RuntimeBroker.exe
      C:\Windows\System32\RuntimeBroker.exe -Embedding
      1⤵
        PID:3824
      • C:\Windows\system32\backgroundTaskHost.exe
        "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
        1⤵
          PID:3856
        • C:\Windows\system32\backgroundTaskHost.exe
          "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
          1⤵
            PID:764
          • C:\Windows\System32\RuntimeBroker.exe
            C:\Windows\System32\RuntimeBroker.exe -Embedding
            1⤵
              PID:4960
            • 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:4872
              • C:\Windows\System32\RuntimeBroker.exe
                C:\Windows\System32\RuntimeBroker.exe -Embedding
                1⤵
                  PID:4016
                • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                  "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                  1⤵
                    PID:3912
                  • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                    "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                    1⤵
                      PID:3704
                    • C:\Windows\system32\DllHost.exe
                      C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                      1⤵
                        PID:3556
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                        1⤵
                          PID:3360
                        • C:\Windows\Explorer.EXE
                          C:\Windows\Explorer.EXE
                          1⤵
                            PID:3216
                            • C:\Users\Admin\AppData\Local\Temp\b3772d8e8eb2a4032704616f5c0ea09623ffa7a67e921851a10f6fcb73ad70ce.exe
                              "C:\Users\Admin\AppData\Local\Temp\b3772d8e8eb2a4032704616f5c0ea09623ffa7a67e921851a10f6fcb73ad70ce.exe"
                              2⤵
                              • Modifies firewall policy service
                              • UAC bypass
                              • Windows security bypass
                              • Windows security modification
                              • Checks whether UAC is enabled
                              • Drops file in Windows directory
                              • Suspicious behavior: EnumeratesProcesses
                              • Suspicious use of AdjustPrivilegeToken
                              • Suspicious use of SetWindowsHookEx
                              • Suspicious use of WriteProcessMemory
                              • System policy modification
                              PID:4780
                            • C:\Windows\system32\taskmgr.exe
                              "C:\Windows\system32\taskmgr.exe" /0
                              2⤵
                              • Checks SCSI registry key(s)
                              • Suspicious behavior: EnumeratesProcesses
                              • Suspicious behavior: GetForegroundWindowSpam
                              • Suspicious use of FindShellTrayWindow
                              • Suspicious use of SendNotifyMessage
                              PID:1904
                          • C:\Windows\system32\taskhostw.exe
                            taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                            1⤵
                              PID:2676
                            • 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:2416
                                • C:\Windows\system32\dwm.exe
                                  "dwm.exe"
                                  1⤵
                                    PID:1012
                                  • C:\Windows\system32\fontdrvhost.exe
                                    "fontdrvhost.exe"
                                    1⤵
                                      PID:792
                                    • C:\Windows\System32\RuntimeBroker.exe
                                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                                      1⤵
                                        PID:3068
                                      • C:\Windows\system32\backgroundTaskHost.exe
                                        "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:ShellFeedsUI.AppXnj65k2d1a1rnztt2t2nng5ctmk3e76pn.mca
                                        1⤵
                                          PID:3804

                                        Network

                                        MITRE ATT&CK Enterprise v15

                                        Replay Monitor

                                        Loading Replay Monitor...

                                        Downloads

                                        • memory/1904-159-0x00000201F6110000-0x00000201F6111000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/1904-171-0x00000201F6110000-0x00000201F6111000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/1904-170-0x00000201F6110000-0x00000201F6111000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/1904-169-0x00000201F6110000-0x00000201F6111000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/1904-168-0x00000201F6110000-0x00000201F6111000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/1904-167-0x00000201F6110000-0x00000201F6111000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/1904-166-0x00000201F6110000-0x00000201F6111000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/1904-165-0x00000201F6110000-0x00000201F6111000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/1904-160-0x00000201F6110000-0x00000201F6111000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/1904-161-0x00000201F6110000-0x00000201F6111000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/4780-144-0x0000000007850000-0x0000000007852000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/4780-148-0x00000000036E0000-0x000000000476E000-memory.dmp

                                          Filesize

                                          16.6MB

                                        • memory/4780-158-0x0000000000400000-0x0000000001059000-memory.dmp

                                          Filesize

                                          12.3MB

                                        • memory/4780-153-0x0000000007850000-0x0000000007852000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/4780-147-0x00000000036E0000-0x000000000476E000-memory.dmp

                                          Filesize

                                          16.6MB

                                        • memory/4780-146-0x00000000036E0000-0x000000000476E000-memory.dmp

                                          Filesize

                                          16.6MB

                                        • memory/4780-145-0x00000000036E0000-0x000000000476E000-memory.dmp

                                          Filesize

                                          16.6MB

                                        • memory/4780-142-0x00000000079A0000-0x00000000079A1000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/4780-133-0x0000000000400000-0x0000000001059000-memory.dmp

                                          Filesize

                                          12.3MB

                                        • memory/4780-140-0x00000000036E0000-0x000000000476E000-memory.dmp

                                          Filesize

                                          16.6MB

                                        • memory/4780-141-0x0000000007850000-0x0000000007852000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/4780-138-0x00000000036E0000-0x000000000476E000-memory.dmp

                                          Filesize

                                          16.6MB

                                        • memory/4780-136-0x00000000036E0000-0x000000000476E000-memory.dmp

                                          Filesize

                                          16.6MB