Analysis

  • max time kernel
    117s
  • max time network
    117s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/11/2024, 10:57

General

  • Target

    157656cebafb6d050797e007245cf5febc139a89fc2a194cfccab9b0657f5f13.exe

  • Size

    1.3MB

  • MD5

    811aabfe04a1e519b24ad822db4b27b6

  • SHA1

    7bfd13f2efc7aed7e2928bb4786f9c2bc832c4f3

  • SHA256

    157656cebafb6d050797e007245cf5febc139a89fc2a194cfccab9b0657f5f13

  • SHA512

    00c879fa6ccc1f93ae684a991082d4da1b2a35b8fc5cba080306e3b4dbdcad8d3d511c9d79faad9641c13e37a9e4610305d2546e9232fb564d3f30b9b5eb9c9d

  • SSDEEP

    24576:BJeofAq/jp98z3kiEgVrpKrsRfeOeOe7OxmOocRLfzyFyT96g:PeofAaWkpKr0rQfeOeOe7OxmHcR1N

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 WinLogon for persistence 2 TTPs 1 IoCs
  • Modifies firewall policy service 3 TTPs 3 IoCs
  • Sality

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

  • Sality family
  • 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
  • Windows security modification 2 TTPs 7 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 21 IoCs

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

  • Modifies WinLogon 2 TTPs 1 IoCs
  • AutoIT Executable 4 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops autorun.inf file 1 TTPs 2 IoCs

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

  • Drops file in System32 directory 5 IoCs
  • UPX packed file 39 IoCs

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

  • Drops file in Program Files directory 11 IoCs
  • Drops file in Windows directory 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 24 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:776
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:784
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:316
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2616
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2644
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2796
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3584
                  • C:\Users\Admin\AppData\Local\Temp\157656cebafb6d050797e007245cf5febc139a89fc2a194cfccab9b0657f5f13.exe
                    "C:\Users\Admin\AppData\Local\Temp\157656cebafb6d050797e007245cf5febc139a89fc2a194cfccab9b0657f5f13.exe"
                    2⤵
                    • Modifies WinLogon for persistence
                    • Modifies firewall policy service
                    • UAC bypass
                    • Windows security bypass
                    • Disables RegEdit via registry modification
                    • Windows security modification
                    • Adds Run key to start application
                    • Checks whether UAC is enabled
                    • Enumerates connected drives
                    • Modifies WinLogon
                    • Drops autorun.inf file
                    • Drops file in System32 directory
                    • Drops file in Program Files directory
                    • Drops file in Windows directory
                    • System Location Discovery: System Language Discovery
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of WriteProcessMemory
                    • System policy modification
                    PID:3720
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /C AT /delete /yes
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:1084
                      • C:\Windows\SysWOW64\at.exe
                        AT /delete /yes
                        4⤵
                        • System Location Discovery: System Language Discovery
                        PID:712
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /C AT 09:00 /interactive /EVERY:m,t,w,th,f,s,su C:\Windows\system32\winhelp.exe
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:3736
                      • C:\Windows\SysWOW64\at.exe
                        AT 09:00 /interactive /EVERY:m,t,w,th,f,s,su C:\Windows\system32\winhelp.exe
                        4⤵
                        • System Location Discovery: System Language Discovery
                        PID:3524
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3700
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3904
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:4028
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:4088
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:3008
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4064
                            • C:\Windows\System32\RuntimeBroker.exe
                              C:\Windows\System32\RuntimeBroker.exe -Embedding
                              1⤵
                                PID:4484
                              • 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:1988
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:4400
                                  • C:\Windows\System32\RuntimeBroker.exe
                                    C:\Windows\System32\RuntimeBroker.exe -Embedding
                                    1⤵
                                      PID:2972
                                    • C:\Windows\System32\RuntimeBroker.exe
                                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                                      1⤵
                                        PID:2380

                                      Network

                                            MITRE ATT&CK Enterprise v15

                                            Replay Monitor

                                            Loading Replay Monitor...

                                            Downloads

                                            • C:\Users\Admin\AppData\Local\Temp\0E579EA1_Rar\157656cebafb6d050797e007245cf5febc139a89fc2a194cfccab9b0657f5f13.exe

                                              Filesize

                                              1.2MB

                                              MD5

                                              625ec7c1a4e58f4e948f7b76e0c611c6

                                              SHA1

                                              603958696fd480c28b5b7bba1994326690cabc40

                                              SHA256

                                              f836cb61c53b79801a966ded0a6042d56080a546691e8d221dd4cc088e308dac

                                              SHA512

                                              bd9974b8cd87344a809aac4b9c2c14304b22fa3fd7dc74395008127d7cfc680c13c4fc38cba8c8d2e0a45f0350654473eb684b1844eef7b9c94c1ca2e72f37cc

                                            • C:\Windows\SysWOW64\setup.ini

                                              Filesize

                                              96B

                                              MD5

                                              9ece103c47335f0cc777f1132b8d522f

                                              SHA1

                                              63afa171c64f86d99db81723e1335e960e85fa43

                                              SHA256

                                              69815d4932ddde240ce6b1353305d2fab58ca402e9c478452c8e37ce8a7b2ac9

                                              SHA512

                                              b1ac64c71c6338bf0ab33df938128822da680f20d0552edb2edb808f1c75bafb88467412fc8dc60ed8022a1f0c4f3fcbecb69a320ec871b3a766482f32d6eb05

                                            • C:\Windows\SysWOW64\winhelp.exe

                                              Filesize

                                              1.3MB

                                              MD5

                                              811aabfe04a1e519b24ad822db4b27b6

                                              SHA1

                                              7bfd13f2efc7aed7e2928bb4786f9c2bc832c4f3

                                              SHA256

                                              157656cebafb6d050797e007245cf5febc139a89fc2a194cfccab9b0657f5f13

                                              SHA512

                                              00c879fa6ccc1f93ae684a991082d4da1b2a35b8fc5cba080306e3b4dbdcad8d3d511c9d79faad9641c13e37a9e4610305d2546e9232fb564d3f30b9b5eb9c9d

                                            • F:\kihq.exe

                                              Filesize

                                              100KB

                                              MD5

                                              9bf1aa4fcc9cfa97aa7eecedae61fd0a

                                              SHA1

                                              c785091dd56494c4be114748c637dd033356f0d0

                                              SHA256

                                              baefb3876138efe72abbc302a87bee5dd252f96faae1068b44c020687fa816f4

                                              SHA512

                                              bbbde281ef79fcfa9914e744bdea0be67c2491b4ca86dac7b95aa69c3c9c477004d6607c98b840b4368317e56b3fdfc37f498d548bf0109073c258e96da98b5b

                                            • memory/3720-0-0x0000000000400000-0x00000000004B2000-memory.dmp

                                              Filesize

                                              712KB

                                            • memory/3720-3-0x0000000003440000-0x00000000044CE000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/3720-5-0x0000000003440000-0x00000000044CE000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/3720-11-0x0000000003440000-0x00000000044CE000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/3720-12-0x0000000003440000-0x00000000044CE000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/3720-8-0x0000000003440000-0x00000000044CE000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/3720-15-0x0000000000A40000-0x0000000000A42000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/3720-7-0x0000000003440000-0x00000000044CE000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/3720-14-0x0000000003440000-0x00000000044CE000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/3720-6-0x0000000003440000-0x00000000044CE000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/3720-13-0x0000000000A40000-0x0000000000A42000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/3720-9-0x0000000000A40000-0x0000000000A42000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/3720-4-0x0000000003440000-0x00000000044CE000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/3720-10-0x0000000000B70000-0x0000000000B71000-memory.dmp

                                              Filesize

                                              4KB

                                            • memory/3720-48-0x0000000003440000-0x00000000044CE000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/3720-52-0x0000000003440000-0x00000000044CE000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/3720-55-0x0000000003440000-0x00000000044CE000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/3720-56-0x0000000003440000-0x00000000044CE000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/3720-57-0x0000000003440000-0x00000000044CE000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/3720-59-0x0000000003440000-0x00000000044CE000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/3720-60-0x0000000003440000-0x00000000044CE000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/3720-61-0x0000000003440000-0x00000000044CE000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/3720-63-0x0000000003440000-0x00000000044CE000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/3720-65-0x0000000003440000-0x00000000044CE000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/3720-66-0x0000000000A40000-0x0000000000A42000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/3720-67-0x0000000003440000-0x00000000044CE000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/3720-69-0x0000000003440000-0x00000000044CE000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/3720-72-0x0000000003440000-0x00000000044CE000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/3720-73-0x0000000003440000-0x00000000044CE000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/3720-75-0x0000000003440000-0x00000000044CE000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/3720-76-0x0000000003440000-0x00000000044CE000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/3720-77-0x0000000003440000-0x00000000044CE000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/3720-81-0x0000000003440000-0x00000000044CE000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/3720-83-0x0000000003440000-0x00000000044CE000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/3720-84-0x0000000003440000-0x00000000044CE000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/3720-85-0x0000000003440000-0x00000000044CE000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/3720-87-0x0000000003440000-0x00000000044CE000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/3720-90-0x0000000003440000-0x00000000044CE000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/3720-93-0x0000000003440000-0x00000000044CE000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/3720-99-0x0000000003440000-0x00000000044CE000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/3720-100-0x0000000003440000-0x00000000044CE000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/3720-103-0x0000000003440000-0x00000000044CE000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/3720-105-0x0000000003440000-0x00000000044CE000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/3720-106-0x0000000003440000-0x00000000044CE000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/3720-110-0x0000000003440000-0x00000000044CE000-memory.dmp

                                              Filesize

                                              16.6MB

                                            • memory/3720-119-0x0000000000400000-0x00000000004B2000-memory.dmp

                                              Filesize

                                              712KB