Analysis

  • max time kernel
    119s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-07-2024 01:58

General

  • Target

    24a443922c0b86c48471c1a8e08595b0N.exe

  • Size

    100KB

  • MD5

    24a443922c0b86c48471c1a8e08595b0

  • SHA1

    bd2affe29e6818d399d47e1415a6ae975fc2d6b2

  • SHA256

    5d2661b6aa03442888f94946a075b0ce1ce9dab5f605fe169d05c122974045d2

  • SHA512

    f00a4cef5f4a1b1e47e41a4eec1fc1738e0bfdadd3e3804cf9c2aa1a78bd90e80b68e3ac26b7f511c1dc9c82c7f5548942939a69dcdc0b2b09cc77ba4825efe5

  • SSDEEP

    3072:V8t+T6XWTSqEsM6oyU8a7CTm1zBrXj/M7r:+t+T6XWTqsM6xU80BB/u

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 3 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 39 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
  • Enumerates connected drives 3 TTPs 21 IoCs

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

  • Drops autorun.inf file 1 TTPs 2 IoCs

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

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

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

  • Modifies registry class 1 IoCs
  • 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:788
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:796
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:316
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2168
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:3160
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:3236
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3512
                  • C:\Users\Admin\AppData\Local\Temp\24a443922c0b86c48471c1a8e08595b0N.exe
                    "C:\Users\Admin\AppData\Local\Temp\24a443922c0b86c48471c1a8e08595b0N.exe"
                    2⤵
                    • Modifies firewall policy service
                    • UAC bypass
                    • Windows security bypass
                    • Disables RegEdit via registry modification
                    • Windows security modification
                    • Checks whether UAC is enabled
                    • Enumerates connected drives
                    • Drops autorun.inf file
                    • Drops file in Program Files directory
                    • Drops file in Windows directory
                    • Modifies registry class
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of WriteProcessMemory
                    • System policy modification
                    PID:1552
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3620
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3852
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3940
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:4004
                        • 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:3804
                            • 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:2988
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:4992
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                                  1⤵
                                    PID:3840
                                  • C:\Windows\system32\backgroundTaskHost.exe
                                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                    1⤵
                                      PID:4552
                                    • C:\Windows\System32\RuntimeBroker.exe
                                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                                      1⤵
                                        PID:3440
                                      • C:\Windows\System32\RuntimeBroker.exe
                                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                                        1⤵
                                          PID:3052

                                        Network

                                        MITRE ATT&CK Enterprise v15

                                        Replay Monitor

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                                        Downloads

                                        • F:\kbhj.pif

                                          Filesize

                                          100KB

                                          MD5

                                          364e09cbf0abbeef8a4c43b286e7ce27

                                          SHA1

                                          aef45e92baa11ee4bc507a3e83a524871c9e00be

                                          SHA256

                                          eced2577ef140908dd9737fe7fd54099f433a8db9fd07801951f69a8859c34e9

                                          SHA512

                                          645643ff63951706d3c12397e2c19cbded9c04ff13ad9a877aef588bfd396af42b34d04a48bca3e36b6b70a86ae7c135ec8ad66af7ff66618c6949226bdb8055

                                        • memory/1552-24-0x0000000002180000-0x000000000320E000-memory.dmp

                                          Filesize

                                          16.6MB

                                        • memory/1552-70-0x0000000003320000-0x0000000003322000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/1552-13-0x0000000003320000-0x0000000003322000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/1552-26-0x0000000002180000-0x000000000320E000-memory.dmp

                                          Filesize

                                          16.6MB

                                        • memory/1552-4-0x0000000002180000-0x000000000320E000-memory.dmp

                                          Filesize

                                          16.6MB

                                        • memory/1552-3-0x0000000002180000-0x000000000320E000-memory.dmp

                                          Filesize

                                          16.6MB

                                        • memory/1552-5-0x0000000003320000-0x0000000003322000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/1552-1-0x0000000002180000-0x000000000320E000-memory.dmp

                                          Filesize

                                          16.6MB

                                        • memory/1552-8-0x0000000002180000-0x000000000320E000-memory.dmp

                                          Filesize

                                          16.6MB

                                        • memory/1552-11-0x0000000002180000-0x000000000320E000-memory.dmp

                                          Filesize

                                          16.6MB

                                        • memory/1552-9-0x0000000002180000-0x000000000320E000-memory.dmp

                                          Filesize

                                          16.6MB

                                        • memory/1552-14-0x0000000002180000-0x000000000320E000-memory.dmp

                                          Filesize

                                          16.6MB

                                        • memory/1552-10-0x0000000002180000-0x000000000320E000-memory.dmp

                                          Filesize

                                          16.6MB

                                        • memory/1552-15-0x0000000002180000-0x000000000320E000-memory.dmp

                                          Filesize

                                          16.6MB

                                        • memory/1552-16-0x0000000002180000-0x000000000320E000-memory.dmp

                                          Filesize

                                          16.6MB

                                        • memory/1552-17-0x0000000002180000-0x000000000320E000-memory.dmp

                                          Filesize

                                          16.6MB

                                        • memory/1552-18-0x0000000002180000-0x000000000320E000-memory.dmp

                                          Filesize

                                          16.6MB

                                        • memory/1552-30-0x0000000002180000-0x000000000320E000-memory.dmp

                                          Filesize

                                          16.6MB

                                        • memory/1552-20-0x0000000002180000-0x000000000320E000-memory.dmp

                                          Filesize

                                          16.6MB

                                        • memory/1552-22-0x0000000002180000-0x000000000320E000-memory.dmp

                                          Filesize

                                          16.6MB

                                        • memory/1552-23-0x0000000002180000-0x000000000320E000-memory.dmp

                                          Filesize

                                          16.6MB

                                        • memory/1552-0-0x0000000000400000-0x0000000000413000-memory.dmp

                                          Filesize

                                          76KB

                                        • memory/1552-12-0x0000000003320000-0x0000000003322000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/1552-7-0x0000000002180000-0x000000000320E000-memory.dmp

                                          Filesize

                                          16.6MB

                                        • memory/1552-19-0x0000000002180000-0x000000000320E000-memory.dmp

                                          Filesize

                                          16.6MB

                                        • memory/1552-31-0x0000000002180000-0x000000000320E000-memory.dmp

                                          Filesize

                                          16.6MB

                                        • memory/1552-33-0x0000000002180000-0x000000000320E000-memory.dmp

                                          Filesize

                                          16.6MB

                                        • memory/1552-35-0x0000000002180000-0x000000000320E000-memory.dmp

                                          Filesize

                                          16.6MB

                                        • memory/1552-38-0x0000000002180000-0x000000000320E000-memory.dmp

                                          Filesize

                                          16.6MB

                                        • memory/1552-39-0x0000000002180000-0x000000000320E000-memory.dmp

                                          Filesize

                                          16.6MB

                                        • memory/1552-45-0x0000000002180000-0x000000000320E000-memory.dmp

                                          Filesize

                                          16.6MB

                                        • memory/1552-47-0x0000000002180000-0x000000000320E000-memory.dmp

                                          Filesize

                                          16.6MB

                                        • memory/1552-49-0x0000000002180000-0x000000000320E000-memory.dmp

                                          Filesize

                                          16.6MB

                                        • memory/1552-51-0x0000000002180000-0x000000000320E000-memory.dmp

                                          Filesize

                                          16.6MB

                                        • memory/1552-53-0x0000000002180000-0x000000000320E000-memory.dmp

                                          Filesize

                                          16.6MB

                                        • memory/1552-56-0x0000000002180000-0x000000000320E000-memory.dmp

                                          Filesize

                                          16.6MB

                                        • memory/1552-57-0x0000000002180000-0x000000000320E000-memory.dmp

                                          Filesize

                                          16.6MB

                                        • memory/1552-58-0x0000000002180000-0x000000000320E000-memory.dmp

                                          Filesize

                                          16.6MB

                                        • memory/1552-61-0x0000000002180000-0x000000000320E000-memory.dmp

                                          Filesize

                                          16.6MB

                                        • memory/1552-62-0x0000000002180000-0x000000000320E000-memory.dmp

                                          Filesize

                                          16.6MB

                                        • memory/1552-63-0x0000000002180000-0x000000000320E000-memory.dmp

                                          Filesize

                                          16.6MB

                                        • memory/1552-65-0x0000000002180000-0x000000000320E000-memory.dmp

                                          Filesize

                                          16.6MB

                                        • memory/1552-67-0x0000000002180000-0x000000000320E000-memory.dmp

                                          Filesize

                                          16.6MB

                                        • memory/1552-27-0x0000000002180000-0x000000000320E000-memory.dmp

                                          Filesize

                                          16.6MB

                                        • memory/1552-6-0x0000000003BC0000-0x0000000003BC1000-memory.dmp

                                          Filesize

                                          4KB