Analysis

  • max time kernel
    150s
  • max time network
    133s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-01-2025 01:40

General

  • Target

    a6fc4c24c39e27921ec425bf0efe3aad91bf81f0e50c7a964b076a897e1efefc.exe

  • Size

    1.3MB

  • MD5

    60ebd53db1cfeb18ea54fa90643181aa

  • SHA1

    4e6cbe305733ef316ae9f51a9910ca0d4dccdd9d

  • SHA256

    a6fc4c24c39e27921ec425bf0efe3aad91bf81f0e50c7a964b076a897e1efefc

  • SHA512

    0b3d2cc9f337e882cf5c2bf8fc66a5c28b6d3239a06003ed9dd39521e5b9126ab1819df21420325094ebce6ccd244fe9c3db7f3dea8f49d78b75c1dbe1066e7c

  • SSDEEP

    24576:1JeofAq/jp98z3kiHgVcosIeOeOe7OxmOocRLfzyFyT96I:zeofAaWkqKheOeOe7OxmHcR1t

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 44 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 40 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 64 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:788
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:796
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:380
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2568
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2576
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2748
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3540
                  • C:\Users\Admin\AppData\Local\Temp\a6fc4c24c39e27921ec425bf0efe3aad91bf81f0e50c7a964b076a897e1efefc.exe
                    "C:\Users\Admin\AppData\Local\Temp\a6fc4c24c39e27921ec425bf0efe3aad91bf81f0e50c7a964b076a897e1efefc.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:3260
                    • 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:1800
                      • C:\Windows\SysWOW64\at.exe
                        AT /delete /yes
                        4⤵
                        • System Location Discovery: System Language Discovery
                        PID:2052
                    • 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:1772
                      • 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:5032
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3672
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3844
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3936
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:4000
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4088
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3896
                            • 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:1140
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:3700

                                Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

                                Loading Replay Monitor...

                                Downloads

                                • C:\Users\Admin\AppData\Local\Temp\0E5779C4_Rar\a6fc4c24c39e27921ec425bf0efe3aad91bf81f0e50c7a964b076a897e1efefc.exe

                                  Filesize

                                  1.2MB

                                  MD5

                                  a18b755297c7ae6c15c287d734f69838

                                  SHA1

                                  2f464bf4f96f61fc39079a6988f6891f8f77c1c9

                                  SHA256

                                  f7c85a45ab49471063ee03ab635c841d24a58217f921804ae1d11207f6278112

                                  SHA512

                                  b953f3542aee875e1e9101340f66a05180bda14a6be758cc4f8bc4f9455f296822ca415c5be737ae35f51a2a031e6ab8bbefdcaf37c56ca828af89b07899b371

                                • C:\Windows\SysWOW64\setup.ini

                                  Filesize

                                  96B

                                  MD5

                                  9ece103c47335f0cc777f1132b8d522f

                                  SHA1

                                  63afa171c64f86d99db81723e1335e960e85fa43

                                  SHA256

                                  69815d4932ddde240ce6b1353305d2fab58ca402e9c478452c8e37ce8a7b2ac9

                                  SHA512

                                  b1ac64c71c6338bf0ab33df938128822da680f20d0552edb2edb808f1c75bafb88467412fc8dc60ed8022a1f0c4f3fcbecb69a320ec871b3a766482f32d6eb05

                                • C:\Windows\SysWOW64\winhelp.exe

                                  Filesize

                                  1.3MB

                                  MD5

                                  60ebd53db1cfeb18ea54fa90643181aa

                                  SHA1

                                  4e6cbe305733ef316ae9f51a9910ca0d4dccdd9d

                                  SHA256

                                  a6fc4c24c39e27921ec425bf0efe3aad91bf81f0e50c7a964b076a897e1efefc

                                  SHA512

                                  0b3d2cc9f337e882cf5c2bf8fc66a5c28b6d3239a06003ed9dd39521e5b9126ab1819df21420325094ebce6ccd244fe9c3db7f3dea8f49d78b75c1dbe1066e7c

                                • C:\euds.pif

                                  Filesize

                                  100KB

                                  MD5

                                  86b7c5402e044ccdda7111edbc91333e

                                  SHA1

                                  74f12f2737b06ff2aa82a4e19068a3992ec3a8d1

                                  SHA256

                                  dbc8aac8a6536b12b3bd1325314321aeb1d3a49a0d3a046fc8d1bffe8ec7e89e

                                  SHA512

                                  5d90a71fc6cf1129371e55e60fcdfd7d4a06ae2b7c925343d2b016eb885871d1ebaaf5a8331c20d59049e453c9ec339995a3c95ec5816f569c2cb2853ac41284

                                • memory/3260-0-0x0000000000400000-0x00000000004B5000-memory.dmp

                                  Filesize

                                  724KB

                                • memory/3260-1-0x0000000003320000-0x00000000043AE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3260-3-0x0000000003320000-0x00000000043AE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3260-5-0x0000000003320000-0x00000000043AE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3260-15-0x0000000000970000-0x0000000000972000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3260-27-0x0000000003320000-0x00000000043AE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3260-44-0x0000000003320000-0x00000000043AE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3260-6-0x0000000003320000-0x00000000043AE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3260-10-0x0000000003320000-0x00000000043AE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3260-11-0x0000000000970000-0x0000000000972000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3260-4-0x0000000003320000-0x00000000043AE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3260-9-0x0000000003320000-0x00000000043AE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3260-8-0x0000000000990000-0x0000000000991000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/3260-7-0x0000000000970000-0x0000000000972000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3260-47-0x0000000003320000-0x00000000043AE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3260-48-0x0000000003320000-0x00000000043AE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3260-49-0x0000000003320000-0x00000000043AE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3260-50-0x0000000003320000-0x00000000043AE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3260-56-0x0000000003320000-0x00000000043AE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3260-57-0x0000000003320000-0x00000000043AE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3260-59-0x0000000003320000-0x00000000043AE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3260-60-0x0000000003320000-0x00000000043AE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3260-62-0x0000000003320000-0x00000000043AE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3260-63-0x0000000000970000-0x0000000000972000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3260-64-0x0000000003320000-0x00000000043AE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3260-65-0x0000000003320000-0x00000000043AE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3260-67-0x0000000003320000-0x00000000043AE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3260-68-0x0000000003320000-0x00000000043AE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3260-71-0x0000000003320000-0x00000000043AE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3260-73-0x0000000003320000-0x00000000043AE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3260-75-0x0000000003320000-0x00000000043AE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3260-77-0x0000000003320000-0x00000000043AE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3260-84-0x0000000003320000-0x00000000043AE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3260-86-0x0000000003320000-0x00000000043AE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3260-87-0x0000000003320000-0x00000000043AE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3260-88-0x0000000003320000-0x00000000043AE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3260-89-0x0000000003320000-0x00000000043AE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3260-91-0x0000000003320000-0x00000000043AE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3260-95-0x0000000003320000-0x00000000043AE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3260-96-0x0000000003320000-0x00000000043AE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3260-97-0x0000000003320000-0x00000000043AE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3260-99-0x0000000003320000-0x00000000043AE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3260-100-0x0000000003320000-0x00000000043AE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3260-102-0x0000000003320000-0x00000000043AE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3260-104-0x0000000003320000-0x00000000043AE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3260-109-0x0000000003320000-0x00000000043AE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/3260-118-0x0000000000400000-0x00000000004B5000-memory.dmp

                                  Filesize

                                  724KB