Analysis

  • max time kernel
    29s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/05/2024, 04:32

General

  • Target
    ec73db81b957f786d6447335ea3ad371612a046a6ad22ab3bcc6de2f54f9307b.exe
  • Size 124KB
  • Sample240523-e59qvadh4z
  • SHA256 ec73db81b957f786d6447335ea3ad371612a046a6ad22ab3bcc6de2f54f9307b
  • MD5 SHA1 SHA512 SSDEEP

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 6 IoCs
  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
  • Sality

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

  • UAC bypass 3 TTPs 2 IoCs
  • Windows security bypass 2 TTPs 12 IoCs
  • Detects executables packed with Sality Polymorphic Code Generator or Simple Poly Engine or Sality 38 IoCs
  • UPX dump on OEP (original entry point) 39 IoCs
  • Disables RegEdit via registry modification 1 IoCs
  • Disables Task Manager via registry modification
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • UPX packed file 37 IoCs

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

  • Windows security modification 2 TTPs 14 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 8 IoCs

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

  • Drops autorun.inf file 1 TTPs 3 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in Program Files directory 6 IoCs
  • Drops file in Windows directory 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 4 IoCs
  • Modifies registry class 25 IoCs
  • Runs .reg file with regedit 23 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:776
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:784
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:384
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:3060
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2204
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:3084
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3444
                  • C:\Users\Admin\AppData\Local\Temp\ec73db81b957f786d6447335ea3ad371612a046a6ad22ab3bcc6de2f54f9307b.exe
                    "C:\Users\Admin\AppData\Local\Temp\ec73db81b957f786d6447335ea3ad371612a046a6ad22ab3bcc6de2f54f9307b.exe"
                    2⤵
                    • Modifies firewall policy service
                    • UAC bypass
                    • Windows security bypass
                    • 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 SetWindowsHookEx
                    • Suspicious use of WriteProcessMemory
                    • System policy modification
                    PID:4472
                    • C:\Windows\SysWOW64\explorer.exe
                      explorer C:\Users\Admin\AppData\Local\Temp\ec73db81b957f786d6447335ea3ad371612a046a6ad22ab3bcc6de2f54f9307b
                      3⤵
                        PID:4264
                      • C:\Windows\SysWOW64\regedit.exe
                        regedit /s C:\Users\Admin\AppData\Local\Temp\Funny!.reg
                        3⤵
                        • Modifies visibility of file extensions in Explorer
                        • Disables RegEdit via registry modification
                        • Modifies system executable filetype association
                        • Adds Run key to start application
                        • Modifies registry class
                        • Runs .reg file with regedit
                        PID:3564
                      • C:\Program Files\EXPLORER.EXE
                        "C:\Program Files\EXPLORER.EXE"
                        3⤵
                        • Modifies firewall policy service
                        • UAC bypass
                        • Windows security bypass
                        • Deletes itself
                        • Executes dropped EXE
                        • Windows security modification
                        • Checks whether UAC is enabled
                        • Enumerates connected drives
                        • Drops autorun.inf file
                        • Drops file in Program Files directory
                        • Suspicious behavior: EnumeratesProcesses
                        • Suspicious use of SetWindowsHookEx
                        • Suspicious use of WriteProcessMemory
                        • System policy modification
                        PID:3516
                        • C:\Windows\SysWOW64\regedit.exe
                          regedit /s C:\Program Files\Funny!.reg
                          4⤵
                          • Runs .reg file with regedit
                          PID:3980
                        • C:\Windows\SysWOW64\regedit.exe
                          regedit /s C:\Program Files\Funny!.reg
                          4⤵
                          • Runs .reg file with regedit
                          PID:2264
                        • C:\Windows\SysWOW64\regedit.exe
                          regedit /s C:\Program Files\Funny!.reg
                          4⤵
                          • Runs .reg file with regedit
                          PID:2676
                        • C:\Windows\SysWOW64\regedit.exe
                          regedit /s C:\Program Files\Funny!.reg
                          4⤵
                          • Runs .reg file with regedit
                          PID:1652
                        • C:\Windows\SysWOW64\regedit.exe
                          regedit /s C:\Program Files\Funny!.reg
                          4⤵
                          • Runs .reg file with regedit
                          PID:536
                        • C:\Windows\SysWOW64\regedit.exe
                          regedit /s C:\Program Files\Funny!.reg
                          4⤵
                          • Runs .reg file with regedit
                          PID:1576
                        • C:\Windows\SysWOW64\regedit.exe
                          regedit /s C:\Program Files\Funny!.reg
                          4⤵
                          • Runs .reg file with regedit
                          PID:2960
                        • C:\Windows\SysWOW64\regedit.exe
                          regedit /s C:\Program Files\Funny!.reg
                          4⤵
                          • Runs .reg file with regedit
                          PID:4780
                        • C:\Windows\SysWOW64\regedit.exe
                          regedit /s C:\Program Files\Funny!.reg
                          4⤵
                          • Runs .reg file with regedit
                          PID:3816
                        • C:\Windows\SysWOW64\regedit.exe
                          regedit /s C:\Program Files\Funny!.reg
                          4⤵
                          • Runs .reg file with regedit
                          PID:3328
                        • C:\Windows\SysWOW64\regedit.exe
                          regedit /s C:\Program Files\Funny!.reg
                          4⤵
                          • Runs .reg file with regedit
                          PID:1912
                        • C:\Windows\SysWOW64\regedit.exe
                          regedit /s C:\Program Files\Funny!.reg
                          4⤵
                          • Runs .reg file with regedit
                          PID:3696
                        • C:\Windows\SysWOW64\regedit.exe
                          regedit /s C:\Program Files\Funny!.reg
                          4⤵
                          • Runs .reg file with regedit
                          PID:692
                        • C:\Windows\SysWOW64\regedit.exe
                          regedit /s C:\Program Files\Funny!.reg
                          4⤵
                          • Runs .reg file with regedit
                          PID:916
                        • C:\Windows\SysWOW64\regedit.exe
                          regedit /s C:\Program Files\Funny!.reg
                          4⤵
                          • Runs .reg file with regedit
                          PID:432
                        • C:\Windows\SysWOW64\regedit.exe
                          regedit /s C:\Program Files\Funny!.reg
                          4⤵
                          • Runs .reg file with regedit
                          PID:5056
                        • C:\Windows\SysWOW64\regedit.exe
                          regedit /s C:\Program Files\Funny!.reg
                          4⤵
                          • Runs .reg file with regedit
                          PID:3280
                        • C:\Windows\SysWOW64\regedit.exe
                          regedit /s C:\Program Files\Funny!.reg
                          4⤵
                          • Runs .reg file with regedit
                          PID:4852
                        • C:\Windows\SysWOW64\regedit.exe
                          regedit /s C:\Program Files\Funny!.reg
                          4⤵
                          • Runs .reg file with regedit
                          PID:1584
                        • C:\Windows\SysWOW64\regedit.exe
                          regedit /s C:\Program Files\Funny!.reg
                          4⤵
                          • Runs .reg file with regedit
                          PID:1632
                        • C:\Windows\SysWOW64\regedit.exe
                          regedit /s C:\Program Files\Funny!.reg
                          4⤵
                          • Runs .reg file with regedit
                          PID:4276
                        • C:\Windows\SysWOW64\regedit.exe
                          regedit /s C:\Program Files\Funny!.reg
                          4⤵
                          • Runs .reg file with regedit
                          PID:2236
                  • C:\Windows\system32\svchost.exe
                    C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                    1⤵
                      PID:3584
                    • C:\Windows\system32\DllHost.exe
                      C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                      1⤵
                        PID:3768
                      • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                        "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                        1⤵
                          PID:3856
                        • C:\Windows\System32\RuntimeBroker.exe
                          C:\Windows\System32\RuntimeBroker.exe -Embedding
                          1⤵
                            PID:3920
                          • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                            "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                            1⤵
                              PID:4052
                            • C:\Windows\System32\RuntimeBroker.exe
                              C:\Windows\System32\RuntimeBroker.exe -Embedding
                              1⤵
                                PID:4020
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:4384
                                • 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:2164
                                  • C:\Windows\system32\backgroundTaskHost.exe
                                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                    1⤵
                                      PID:4496
                                    • C:\Windows\system32\backgroundTaskHost.exe
                                      "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                                      1⤵
                                        PID:3420
                                      • C:\Windows\explorer.exe
                                        C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
                                        1⤵
                                        • Modifies Internet Explorer settings
                                        • Modifies registry class
                                        • Suspicious behavior: AddClipboardFormatListener
                                        • Suspicious use of SetWindowsHookEx
                                        PID:1216
                                      • C:\Windows\System32\RuntimeBroker.exe
                                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                                        1⤵
                                          PID:3464
                                        • C:\Windows\System32\RuntimeBroker.exe
                                          C:\Windows\System32\RuntimeBroker.exe -Embedding
                                          1⤵
                                            PID:232
                                          • C:\Windows\system32\sihost.exe
                                            sihost.exe
                                            1⤵
                                              PID:3460
                                              • C:\Windows\explorer.exe
                                                explorer.exe /LOADSAVEDWINDOWS
                                                2⤵
                                                  PID:3476

                                              Network

                                                    MITRE ATT&CK Enterprise v15

                                                    Replay Monitor

                                                    Loading Replay Monitor...

                                                    Downloads

                                                    Autorun.inf

                                                    • Path C:\Autorun.inf
                                                    • Size 99B
                                                    • SHA256 bca0db21212fb26b90ca976ad73636249ee40e70f59d867698a760b674ef13d2
                                                    • MD5 SHA1 SHA512

                                                    EXPLORER.EXE

                                                    • Path C:\Program Files\EXPLORER.EXE
                                                    • Size 124KB
                                                    • SHA256 ec73db81b957f786d6447335ea3ad371612a046a6ad22ab3bcc6de2f54f9307b
                                                    • MD5 SHA1 SHA512 SSDEEP

                                                    Funny!.reg

                                                    • Path C:\Program Files\Funny!.reg
                                                    • Size 572B
                                                    • SHA256 3e8770c1a3b8112a25d08b47a1bc0eed22aae31389b16dc03b07f3f10093e092
                                                    • MD5 SHA1 SHA512

                                                    Funny!.reg

                                                    • Path C:\Users\Admin\AppData\Local\Temp\Funny!.reg
                                                    • Size 649B
                                                    • SHA256 8758c9438a12a9576a69b1b88ba51938f5c92b9bfe4ced50281bf98ce5dfd670
                                                    • MD5 SHA1 SHA512

                                                    SYSTEM.INI

                                                    • Path C:\Windows\SYSTEM.INI
                                                    • Size 257B
                                                    • SHA256 343c5fe41968f96c72e8b4566a0e867f1edec257bc6a01804a94c9adac5fab9c
                                                    • MD5 SHA1 SHA512

                                                    lqjto.exe

                                                    • Path C:\lqjto.exe
                                                    • Size 100KB
                                                    • SHA256 c28a7d03444fd0eb20781ad585ad9a00fcc76e747de0ac4c67c4992c47d25fa3
                                                    • MD5 SHA1 SHA512 SSDEEP

                                                    memory/3516-73-0x00000000020F0000-0x00000000020F2000-memory.dmp

                                                    memory/3516-132-0x00000000032D0000-0x000000000435E000-memory.dmp

                                                    memory/3516-25-0x0000000000400000-0x0000000000420000-memory.dmp

                                                    memory/3516-66-0x00000000032D0000-0x000000000435E000-memory.dmp

                                                    memory/3516-194-0x00000000032D0000-0x000000000435E000-memory.dmp

                                                    memory/3516-166-0x00000000032D0000-0x000000000435E000-memory.dmp

                                                    memory/3516-165-0x00000000032D0000-0x000000000435E000-memory.dmp

                                                    memory/3516-163-0x00000000032D0000-0x000000000435E000-memory.dmp

                                                    memory/3516-160-0x00000000032D0000-0x000000000435E000-memory.dmp

                                                    memory/3516-131-0x00000000032D0000-0x000000000435E000-memory.dmp

                                                    memory/3516-127-0x00000000032D0000-0x000000000435E000-memory.dmp

                                                    memory/3516-123-0x00000000032D0000-0x000000000435E000-memory.dmp

                                                    memory/3516-121-0x00000000032D0000-0x000000000435E000-memory.dmp

                                                    memory/3516-105-0x00000000032D0000-0x000000000435E000-memory.dmp

                                                    memory/3516-93-0x00000000032D0000-0x000000000435E000-memory.dmp

                                                    memory/3516-58-0x00000000032D0000-0x000000000435E000-memory.dmp

                                                    memory/3516-67-0x00000000032D0000-0x000000000435E000-memory.dmp

                                                    memory/3516-71-0x00000000032D0000-0x000000000435E000-memory.dmp

                                                    memory/3516-72-0x00000000032D0000-0x000000000435E000-memory.dmp

                                                    memory/3516-70-0x00000000032D0000-0x000000000435E000-memory.dmp

                                                    memory/3516-92-0x00000000032D0000-0x000000000435E000-memory.dmp

                                                    memory/3516-65-0x00000000032D0000-0x000000000435E000-memory.dmp

                                                    memory/3516-60-0x00000000032D0000-0x000000000435E000-memory.dmp

                                                    memory/3516-64-0x00000000032D0000-0x000000000435E000-memory.dmp

                                                    memory/3516-69-0x0000000002100000-0x0000000002101000-memory.dmp

                                                    memory/3516-74-0x00000000032D0000-0x000000000435E000-memory.dmp

                                                    memory/3516-75-0x00000000032D0000-0x000000000435E000-memory.dmp

                                                    memory/3516-81-0x00000000032D0000-0x000000000435E000-memory.dmp

                                                    memory/4472-0-0x0000000000400000-0x0000000000420000-memory.dmp

                                                    memory/4472-12-0x00000000029D0000-0x0000000003A5E000-memory.dmp

                                                    memory/4472-29-0x00000000029D0000-0x0000000003A5E000-memory.dmp

                                                    memory/4472-5-0x0000000000540000-0x0000000000542000-memory.dmp

                                                    memory/4472-1-0x00000000029D0000-0x0000000003A5E000-memory.dmp

                                                    memory/4472-9-0x0000000000540000-0x0000000000542000-memory.dmp

                                                    memory/4472-3-0x00000000029D0000-0x0000000003A5E000-memory.dmp

                                                    memory/4472-17-0x00000000029D0000-0x0000000003A5E000-memory.dmp

                                                    memory/4472-30-0x00000000029D0000-0x0000000003A5E000-memory.dmp

                                                    memory/4472-6-0x00000000005A0000-0x00000000005A1000-memory.dmp

                                                    memory/4472-10-0x00000000029D0000-0x0000000003A5E000-memory.dmp

                                                    memory/4472-16-0x00000000029D0000-0x0000000003A5E000-memory.dmp

                                                    memory/4472-8-0x00000000029D0000-0x0000000003A5E000-memory.dmp

                                                    memory/4472-11-0x00000000029D0000-0x0000000003A5E000-memory.dmp

                                                    memory/4472-7-0x00000000029D0000-0x0000000003A5E000-memory.dmp

                                                    memory/4472-13-0x0000000000540000-0x0000000000542000-memory.dmp

                                                    memory/4472-34-0x00000000029D0000-0x0000000003A5E000-memory.dmp

                                                    memory/4472-45-0x0000000000400000-0x0000000000420000-memory.dmp