Analysis

  • max time kernel
    0s
  • max time network
    64s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/12/2023, 08:36

General

  • Target

    126185670224193695ce9a3fb643871f.exe

  • Size

    100KB

  • MD5

    126185670224193695ce9a3fb643871f

  • SHA1

    7d32f0c9abdb3bfbc2cb08f4268e375874426ce3

  • SHA256

    30adfbd6c6f7ee56d645eac5219a1c75caacb1fa395a2ff103450e526ec0bdf3

  • SHA512

    086b89b76cec8cb29e1330bc70ad8986bbe8fd267346a22db2c9308225a8444bafc3ffb2a6ac14575de7f9fea479996918f3fb573c0590245ebdba06ad665306

  • SSDEEP

    1536:ebpFgxW0f8MSuSe5GHBoyObK81wXVe+ENDHk+t5iek3:ebpF4W8vSuShhoySCVMHkf3

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
  • Disables RegEdit via registry modification 1 IoCs
  • Disables Task Manager via registry modification
  • UPX packed file 20 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:756
    • C:\Windows\system32\dwm.exe
      "dwm.exe"
      1⤵
        PID:64
      • C:\Users\Admin\AppData\Local\Temp\126185670224193695ce9a3fb643871f.exe
        "C:\Users\Admin\AppData\Local\Temp\126185670224193695ce9a3fb643871f.exe"
        1⤵
        • Modifies firewall policy service
        • UAC bypass
        • Windows security bypass
        • Disables RegEdit via registry modification
        • Windows security modification
        • Checks whether UAC is enabled
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        • System policy modification
        PID:4180
      • C:\Windows\system32\backgroundTaskHost.exe
        "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
        1⤵
          PID:2600
        • C:\Windows\system32\backgroundTaskHost.exe
          "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
          1⤵
            PID:2348
          • C:\Windows\system32\backgroundTaskHost.exe
            "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppX53ypgrj20bgndg05hj3tc7z654myszwp.mca
            1⤵
              PID:4636
            • 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:1064
              • C:\Windows\System32\RuntimeBroker.exe
                C:\Windows\System32\RuntimeBroker.exe -Embedding
                1⤵
                  PID:4536
                • C:\Windows\System32\RuntimeBroker.exe
                  C:\Windows\System32\RuntimeBroker.exe -Embedding
                  1⤵
                    PID:4232
                  • 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:3972
                      • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                        "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                        1⤵
                          PID:3900
                        • C:\Windows\system32\DllHost.exe
                          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                          1⤵
                            PID:3812
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                            1⤵
                              PID:3620
                            • C:\Windows\Explorer.EXE
                              C:\Windows\Explorer.EXE
                              1⤵
                                PID:3496
                              • C:\Windows\system32\taskhostw.exe
                                taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                                1⤵
                                  PID:3128
                                • C:\Windows\system32\svchost.exe
                                  C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                                  1⤵
                                    PID:752
                                  • C:\Windows\system32\sihost.exe
                                    sihost.exe
                                    1⤵
                                      PID:2564
                                    • C:\Windows\system32\fontdrvhost.exe
                                      "fontdrvhost.exe"
                                      1⤵
                                        PID:760

                                      Network

                                            MITRE ATT&CK Enterprise v15

                                            Replay Monitor

                                            Loading Replay Monitor...

                                            Downloads

                                            • memory/4180-0-0x0000000000400000-0x0000000000415000-memory.dmp

                                              Filesize

                                              84KB

                                            • memory/4180-2-0x00000000022D0000-0x000000000335E000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/4180-4-0x00000000022D0000-0x000000000335E000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/4180-5-0x00000000022D0000-0x000000000335E000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/4180-10-0x0000000004360000-0x0000000004362000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/4180-11-0x00000000022D0000-0x000000000335E000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/4180-12-0x00000000022D0000-0x000000000335E000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/4180-8-0x00000000045F0000-0x00000000045F1000-memory.dmp

                                              Filesize

                                              4KB

                                            • memory/4180-7-0x00000000022D0000-0x000000000335E000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/4180-6-0x0000000004360000-0x0000000004362000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/4180-13-0x00000000022D0000-0x000000000335E000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/4180-14-0x00000000022D0000-0x000000000335E000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/4180-15-0x00000000022D0000-0x000000000335E000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/4180-16-0x00000000022D0000-0x000000000335E000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/4180-17-0x00000000022D0000-0x000000000335E000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/4180-18-0x00000000022D0000-0x000000000335E000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/4180-19-0x00000000022D0000-0x000000000335E000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/4180-20-0x00000000022D0000-0x000000000335E000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/4180-22-0x00000000022D0000-0x000000000335E000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/4180-23-0x00000000022D0000-0x000000000335E000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/4180-24-0x00000000022D0000-0x000000000335E000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/4180-26-0x00000000022D0000-0x000000000335E000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/4180-27-0x00000000022D0000-0x000000000335E000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/4180-29-0x00000000022D0000-0x000000000335E000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/4180-31-0x00000000022D0000-0x000000000335E000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/4180-34-0x00000000022D0000-0x000000000335E000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/4180-36-0x00000000022D0000-0x000000000335E000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/4180-38-0x00000000022D0000-0x000000000335E000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/4180-40-0x00000000022D0000-0x000000000335E000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/4180-42-0x00000000022D0000-0x000000000335E000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/4180-44-0x00000000022D0000-0x000000000335E000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/4180-46-0x00000000022D0000-0x000000000335E000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/4180-47-0x00000000022D0000-0x000000000335E000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/4180-48-0x00000000022D0000-0x000000000335E000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/4180-50-0x00000000022D0000-0x000000000335E000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/4180-51-0x0000000004360000-0x0000000004362000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/4180-53-0x00000000022D0000-0x000000000335E000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/4180-55-0x00000000022D0000-0x000000000335E000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/4180-62-0x00000000022D0000-0x000000000335E000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/4180-64-0x00000000022D0000-0x000000000335E000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/4180-66-0x00000000022D0000-0x000000000335E000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/4180-68-0x00000000022D0000-0x000000000335E000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/4180-69-0x00000000022D0000-0x000000000335E000-memory.dmp

                                              Filesize

                                              16.6MB