Analysis

  • max time kernel
    149s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-10-2022 05:41

General

  • Target

    220b692cf39408bfe083a1bb2ed8851bcdec92abdcad128f3a739f93cd25ff16.exe

  • Size

    273KB

  • MD5

    66eef4b6e572001d0379075bf4244451

  • SHA1

    4528eca23defcf6cd95751fea7799c2349765f6a

  • SHA256

    220b692cf39408bfe083a1bb2ed8851bcdec92abdcad128f3a739f93cd25ff16

  • SHA512

    490a56ac44af3d8c8c6f78d23108cbd864fce57563c41719da513e51a09a5f41129555c0492213318d826aa82b99a06c2e9b58b6ab7ca8a3c5e16d84e0f03eb7

  • SSDEEP

    6144:z7iwYY52bZXwfSjA9yAwvC7k3f0eJAHkM39XIVqfesa3:ztYY521XwhYveYAHkUI

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

Signatures

  • Sality

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

  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • Disables RegEdit via registry modification 1 IoCs
  • Disables Task Manager via registry modification
  • Modifies Windows Firewall 1 TTPs 1 IoCs
  • UPX packed file 3 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 Program Files directory 11 IoCs
  • Drops file in Windows directory 1 IoCs
  • Modifies registry class 12 IoCs
  • Suspicious behavior: EnumeratesProcesses 30 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\dwm.exe
    "dwm.exe"
    1⤵
      PID:340
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
        PID:2372
      • C:\Windows\System32\RuntimeBroker.exe
        C:\Windows\System32\RuntimeBroker.exe -Embedding
        1⤵
          PID:3416
        • C:\Windows\System32\RuntimeBroker.exe
          C:\Windows\System32\RuntimeBroker.exe -Embedding
          1⤵
            PID:4740
          • C:\Windows\system32\backgroundTaskHost.exe
            "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
            1⤵
              PID:1488
            • C:\Windows\System32\RuntimeBroker.exe
              C:\Windows\System32\RuntimeBroker.exe -Embedding
              1⤵
                PID:3804
              • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                1⤵
                  PID:3504
                • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                  "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                  1⤵
                    PID:3352
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3260
                    • C:\Windows\system32\svchost.exe
                      C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                      1⤵
                        PID:2972
                      • C:\Windows\Explorer.EXE
                        C:\Windows\Explorer.EXE
                        1⤵
                          PID:2548
                          • C:\Users\Admin\AppData\Local\Temp\220b692cf39408bfe083a1bb2ed8851bcdec92abdcad128f3a739f93cd25ff16.exe
                            "C:\Users\Admin\AppData\Local\Temp\220b692cf39408bfe083a1bb2ed8851bcdec92abdcad128f3a739f93cd25ff16.exe"
                            2⤵
                            • UAC bypass
                            • Windows security bypass
                            • Disables RegEdit via registry modification
                            • Windows security modification
                            • Checks whether UAC is enabled
                            • Drops file in Program Files directory
                            • Drops file in Windows directory
                            • Modifies registry class
                            • Suspicious behavior: EnumeratesProcesses
                            • Suspicious use of AdjustPrivilegeToken
                            • Suspicious use of SetWindowsHookEx
                            • Suspicious use of WriteProcessMemory
                            • System policy modification
                            PID:2616
                            • C:\Windows\SysWOW64\netsh.exe
                              netsh firewall set opmode disable
                              3⤵
                              • Modifies Windows Firewall
                              PID:2708
                            • C:\Windows\SysWOW64\NOTEPAD.EXE
                              "C:\Windows\system32\NOTEPAD.EXE"
                              3⤵
                                PID:1676
                              • C:\Windows\SysWOW64\NOTEPAD.EXE
                                "C:\Windows\system32\NOTEPAD.EXE"
                                3⤵
                                  PID:4648
                                • C:\Windows\SysWOW64\NOTEPAD.EXE
                                  "C:\Windows\system32\NOTEPAD.EXE"
                                  3⤵
                                    PID:2192
                                  • C:\Windows\SysWOW64\NOTEPAD.EXE
                                    "C:\Windows\system32\NOTEPAD.EXE"
                                    3⤵
                                      PID:4200
                                • C:\Windows\system32\taskhostw.exe
                                  taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                                  1⤵
                                    PID:2588
                                  • C:\Windows\system32\svchost.exe
                                    C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                                    1⤵
                                      PID:2388
                                    • C:\Windows\system32\fontdrvhost.exe
                                      "fontdrvhost.exe"
                                      1⤵
                                        PID:800
                                      • C:\Windows\system32\fontdrvhost.exe
                                        "fontdrvhost.exe"
                                        1⤵
                                          PID:796
                                        • C:\Windows\System32\RuntimeBroker.exe
                                          C:\Windows\System32\RuntimeBroker.exe -Embedding
                                          1⤵
                                            PID:812

                                          Network

                                          MITRE ATT&CK Enterprise v6

                                          Replay Monitor

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                                          Downloads

                                          • memory/1676-137-0x0000000000000000-mapping.dmp

                                          • memory/1676-138-0x0000000000F00000-0x0000000000F17000-memory.dmp

                                            Filesize

                                            92KB

                                          • memory/2192-141-0x0000000000000000-mapping.dmp

                                          • memory/2192-142-0x0000000000860000-0x0000000000877000-memory.dmp

                                            Filesize

                                            92KB

                                          • memory/2616-135-0x00000000023D0000-0x0000000003403000-memory.dmp

                                            Filesize

                                            16.2MB

                                          • memory/2616-136-0x00000000023D0000-0x0000000003403000-memory.dmp

                                            Filesize

                                            16.2MB

                                          • memory/2616-134-0x0000000000400000-0x0000000000447000-memory.dmp

                                            Filesize

                                            284KB

                                          • memory/2616-132-0x00000000023D0000-0x0000000003403000-memory.dmp

                                            Filesize

                                            16.2MB

                                          • memory/2616-145-0x0000000000400000-0x0000000000447000-memory.dmp

                                            Filesize

                                            284KB

                                          • memory/2708-133-0x0000000000000000-mapping.dmp

                                          • memory/4200-143-0x0000000000000000-mapping.dmp

                                          • memory/4200-144-0x00000000005A0000-0x00000000005B7000-memory.dmp

                                            Filesize

                                            92KB

                                          • memory/4648-139-0x0000000000000000-mapping.dmp

                                          • memory/4648-140-0x0000000001030000-0x0000000001047000-memory.dmp

                                            Filesize

                                            92KB