Analysis

  • max time kernel
    135s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-01-2024 03:24

General

  • Target

    5a2423cd997f2d9e1df1b99c5160d9b2.exe

  • Size

    136KB

  • MD5

    5a2423cd997f2d9e1df1b99c5160d9b2

  • SHA1

    3450c77c8e81bf1d87e2fc302f5b69abc5dcb2f6

  • SHA256

    eb868b52b10b97108d4cfeb0cdb0c8d00461fb140e0a606419c58c0e249f694c

  • SHA512

    ff562eb0a5506a6bb4b533e241c0430ee8f229cbfd12b222e0dde5447e100170d86e1a9faaf10493b0ee6ba9cb246173060e5059126a3fb380365c88e87ab3e2

  • SSDEEP

    3072:Jz+kVyEtF8RZTrlmfMRDytJXhrimbk92cv:d+kV3bWZT2oq+KkZ

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 10 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 9 IoCs
  • Drops file in Windows directory 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:792
    • C:\Windows\system32\dwm.exe
      "dwm.exe"
      1⤵
        PID:1008
      • C:\Windows\System32\RuntimeBroker.exe
        C:\Windows\System32\RuntimeBroker.exe -Embedding
        1⤵
          PID:4072
        • C:\Windows\system32\backgroundTaskHost.exe
          "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
          1⤵
            PID:984
          • C:\Windows\system32\backgroundTaskHost.exe
            "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
            1⤵
              PID:4588
            • C:\Windows\system32\backgroundTaskHost.exe
              "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppX53ypgrj20bgndg05hj3tc7z654myszwp.mca
              1⤵
                PID:2536
              • 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:4644
                • C:\Windows\System32\RuntimeBroker.exe
                  C:\Windows\System32\RuntimeBroker.exe -Embedding
                  1⤵
                    PID:2148
                  • C:\Windows\System32\RuntimeBroker.exe
                    C:\Windows\System32\RuntimeBroker.exe -Embedding
                    1⤵
                      PID:4112
                    • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                      1⤵
                        PID:2888
                      • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                        "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                        1⤵
                          PID:4008
                        • C:\Windows\system32\DllHost.exe
                          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                          1⤵
                            PID:3844
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                            1⤵
                              PID:3596
                            • C:\Windows\Explorer.EXE
                              C:\Windows\Explorer.EXE
                              1⤵
                                PID:3480
                                • C:\Users\Admin\AppData\Local\Temp\5a2423cd997f2d9e1df1b99c5160d9b2.exe
                                  "C:\Users\Admin\AppData\Local\Temp\5a2423cd997f2d9e1df1b99c5160d9b2.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
                                  • Suspicious behavior: EnumeratesProcesses
                                  • Suspicious use of AdjustPrivilegeToken
                                  • Suspicious use of WriteProcessMemory
                                  • System policy modification
                                  PID:3292
                                  • C:\Windows\SysWOW64\netsh.exe
                                    netsh firewall set opmode disable
                                    3⤵
                                    • Modifies Windows Firewall
                                    PID:2160
                                    • C:\Windows\System32\Conhost.exe
                                      \??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
                                      4⤵
                                        PID:4108
                                    • C:\Windows\SysWOW64\NOTEPAD.EXE
                                      "C:\Windows\system32\NOTEPAD.EXE"
                                      3⤵
                                        PID:4016
                                      • C:\Windows\SysWOW64\NOTEPAD.EXE
                                        "C:\Windows\system32\NOTEPAD.EXE"
                                        3⤵
                                          PID:4640
                                    • C:\Windows\system32\taskhostw.exe
                                      taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                                      1⤵
                                        PID:2636
                                      • C:\Windows\system32\svchost.exe
                                        C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                                        1⤵
                                          PID:2468
                                        • C:\Windows\system32\sihost.exe
                                          sihost.exe
                                          1⤵
                                            PID:2460
                                          • C:\Windows\system32\fontdrvhost.exe
                                            "fontdrvhost.exe"
                                            1⤵
                                              PID:796
                                            • C:\Windows\System32\RuntimeBroker.exe
                                              C:\Windows\System32\RuntimeBroker.exe -Embedding
                                              1⤵
                                                PID:2168
                                              • C:\Windows\System32\RuntimeBroker.exe
                                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                                1⤵
                                                  PID:1732
                                                • C:\Windows\system32\backgroundTaskHost.exe
                                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                                  1⤵
                                                    PID:4164

                                                  Network

                                                  MITRE ATT&CK Enterprise v15

                                                  Replay Monitor

                                                  Loading Replay Monitor...

                                                  Downloads

                                                  • memory/2160-13-0x0000000001440000-0x0000000001441000-memory.dmp

                                                    Filesize

                                                    4KB

                                                  • memory/2160-22-0x0000000001430000-0x0000000001432000-memory.dmp

                                                    Filesize

                                                    8KB

                                                  • memory/2160-15-0x0000000001430000-0x0000000001432000-memory.dmp

                                                    Filesize

                                                    8KB

                                                  • memory/3292-19-0x00000000023E0000-0x0000000003412000-memory.dmp

                                                    Filesize

                                                    16.2MB

                                                  • memory/3292-29-0x00000000023E0000-0x0000000003412000-memory.dmp

                                                    Filesize

                                                    16.2MB

                                                  • memory/3292-7-0x0000000000560000-0x0000000000562000-memory.dmp

                                                    Filesize

                                                    8KB

                                                  • memory/3292-11-0x0000000000560000-0x0000000000562000-memory.dmp

                                                    Filesize

                                                    8KB

                                                  • memory/3292-5-0x00000000023E0000-0x0000000003412000-memory.dmp

                                                    Filesize

                                                    16.2MB

                                                  • memory/3292-4-0x00000000023E0000-0x0000000003412000-memory.dmp

                                                    Filesize

                                                    16.2MB

                                                  • memory/3292-18-0x00000000023E0000-0x0000000003412000-memory.dmp

                                                    Filesize

                                                    16.2MB

                                                  • memory/3292-0-0x0000000000400000-0x0000000000423000-memory.dmp

                                                    Filesize

                                                    140KB

                                                  • memory/3292-2-0x00000000023E0000-0x0000000003412000-memory.dmp

                                                    Filesize

                                                    16.2MB

                                                  • memory/3292-8-0x00000000022A0000-0x00000000022A1000-memory.dmp

                                                    Filesize

                                                    4KB

                                                  • memory/3292-41-0x00000000023E0000-0x0000000003412000-memory.dmp

                                                    Filesize

                                                    16.2MB

                                                  • memory/3292-45-0x00000000023E0000-0x0000000003412000-memory.dmp

                                                    Filesize

                                                    16.2MB

                                                  • memory/3292-47-0x00000000023E0000-0x0000000003412000-memory.dmp

                                                    Filesize

                                                    16.2MB

                                                  • memory/3292-54-0x00000000023E0000-0x0000000003412000-memory.dmp

                                                    Filesize

                                                    16.2MB

                                                  • memory/3292-63-0x0000000000560000-0x0000000000562000-memory.dmp

                                                    Filesize

                                                    8KB

                                                  • memory/4016-78-0x0000000000830000-0x0000000000847000-memory.dmp

                                                    Filesize

                                                    92KB

                                                  • memory/4016-80-0x0000000000830000-0x0000000000847000-memory.dmp

                                                    Filesize

                                                    92KB