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Analysis

  • max time kernel
    181s
  • max time network
    188s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/01/2024, 17:48

General

  • Target

    3e9da8b9b29bded62e009d3f9b786029.exe

  • Size

    100KB

  • MD5

    3e9da8b9b29bded62e009d3f9b786029

  • SHA1

    336c11973403978c5c2f232011f2f0188ef03f15

  • SHA256

    6becc803e06b31bcab8ee753074afd4245daeea07ca972761513545b41408667

  • SHA512

    34e7f5dd4abd1989f4bff90357d5ccdb4bed6bee01e56d78a39fddf8ceff42abed8664f408e502fa4cf8cd2e0dd76b1bd5c31af863a0d70a1e3a93131ca47312

  • SSDEEP

    3072:OG1bWj5ZeN9azGgZTV5G5ukHYXXvuBm6Ck+eA/VA21:OqCefaVFSukHYXXv1eA/h

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 38 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 17 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 26 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\dwm.exe
    "dwm.exe"
    1⤵
      PID:336
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:804
      • C:\Windows\system32\fontdrvhost.exe
        "fontdrvhost.exe"
        1⤵
          PID:796
        • C:\Windows\System32\RuntimeBroker.exe
          C:\Windows\System32\RuntimeBroker.exe -Embedding
          1⤵
            PID:1100
          • C:\Windows\system32\backgroundTaskHost.exe
            "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
            1⤵
              PID:2972
            • C:\Windows\system32\backgroundTaskHost.exe
              "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
              1⤵
                PID:1728
              • C:\Windows\system32\backgroundTaskHost.exe
                "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppX53ypgrj20bgndg05hj3tc7z654myszwp.mca
                1⤵
                  PID:3232
                • 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:2624
                  • C:\Windows\System32\RuntimeBroker.exe
                    C:\Windows\System32\RuntimeBroker.exe -Embedding
                    1⤵
                      PID:2280
                    • C:\Windows\System32\RuntimeBroker.exe
                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                      1⤵
                        PID:4212
                      • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                        "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                        1⤵
                          PID:3604
                        • C:\Users\Admin\AppData\Local\Temp\3e9da8b9b29bded62e009d3f9b786029.exe
                          "C:\Users\Admin\AppData\Local\Temp\3e9da8b9b29bded62e009d3f9b786029.exe"
                          1⤵
                          • 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:5068
                        • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                          1⤵
                            PID:4036
                          • C:\Windows\system32\DllHost.exe
                            C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                            1⤵
                              PID:3904
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                              1⤵
                                PID:3732
                              • C:\Windows\Explorer.EXE
                                C:\Windows\Explorer.EXE
                                1⤵
                                  PID:3576
                                • C:\Windows\system32\taskhostw.exe
                                  taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                                  1⤵
                                    PID:2852
                                  • C:\Windows\system32\svchost.exe
                                    C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                                    1⤵
                                      PID:2596
                                    • C:\Windows\system32\sihost.exe
                                      sihost.exe
                                      1⤵
                                        PID:2516
                                      • C:\Windows\System32\RuntimeBroker.exe
                                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                                        1⤵
                                          PID:2232
                                        • C:\Windows\System32\RuntimeBroker.exe
                                          C:\Windows\System32\RuntimeBroker.exe -Embedding
                                          1⤵
                                            PID:4432
                                          • C:\Windows\system32\backgroundTaskHost.exe
                                            "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                            1⤵
                                              PID:4168
                                            • C:\Windows\system32\BackgroundTransferHost.exe
                                              "BackgroundTransferHost.exe" -ServerName:BackgroundTransferHost.1
                                              1⤵
                                                PID:3728

                                              Network

                                              MITRE ATT&CK Enterprise v15

                                              Replay Monitor

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                                              Downloads

                                              • C:\tenxhj.pif

                                                Filesize

                                                100KB

                                                MD5

                                                1bcc454dedae19e3eaa62a3c3d95430e

                                                SHA1

                                                19002cb03a5e58f35e9316c1ca29f5eac8a27cab

                                                SHA256

                                                60f119181ad81c1f404623f9c3f38aada77694865dc39b2dc4f6212d6393cafb

                                                SHA512

                                                b0347ed44936997bb48f5968d67176c5d82bc7088749218f1eea28813e98b6277569f86b32d6c1ac0d1a138041f3df80d261176da09fda5ec8e61963e97f0064

                                              • memory/5068-26-0x00000000022C0000-0x000000000334E000-memory.dmp

                                                Filesize

                                                16.6MB

                                              • memory/5068-28-0x00000000022C0000-0x000000000334E000-memory.dmp

                                                Filesize

                                                16.6MB

                                              • memory/5068-4-0x00000000022C0000-0x000000000334E000-memory.dmp

                                                Filesize

                                                16.6MB

                                              • memory/5068-6-0x00000000040E0000-0x00000000040E2000-memory.dmp

                                                Filesize

                                                8KB

                                              • memory/5068-7-0x0000000004230000-0x0000000004231000-memory.dmp

                                                Filesize

                                                4KB

                                              • memory/5068-9-0x00000000040E0000-0x00000000040E2000-memory.dmp

                                                Filesize

                                                8KB

                                              • memory/5068-5-0x00000000022C0000-0x000000000334E000-memory.dmp

                                                Filesize

                                                16.6MB

                                              • memory/5068-10-0x00000000022C0000-0x000000000334E000-memory.dmp

                                                Filesize

                                                16.6MB

                                              • memory/5068-11-0x00000000022C0000-0x000000000334E000-memory.dmp

                                                Filesize

                                                16.6MB

                                              • memory/5068-12-0x00000000022C0000-0x000000000334E000-memory.dmp

                                                Filesize

                                                16.6MB

                                              • memory/5068-13-0x00000000022C0000-0x000000000334E000-memory.dmp

                                                Filesize

                                                16.6MB

                                              • memory/5068-14-0x00000000022C0000-0x000000000334E000-memory.dmp

                                                Filesize

                                                16.6MB

                                              • memory/5068-15-0x00000000022C0000-0x000000000334E000-memory.dmp

                                                Filesize

                                                16.6MB

                                              • memory/5068-16-0x00000000022C0000-0x000000000334E000-memory.dmp

                                                Filesize

                                                16.6MB

                                              • memory/5068-17-0x00000000022C0000-0x000000000334E000-memory.dmp

                                                Filesize

                                                16.6MB

                                              • memory/5068-18-0x00000000022C0000-0x000000000334E000-memory.dmp

                                                Filesize

                                                16.6MB

                                              • memory/5068-19-0x00000000022C0000-0x000000000334E000-memory.dmp

                                                Filesize

                                                16.6MB

                                              • memory/5068-0-0x0000000000400000-0x0000000000414000-memory.dmp

                                                Filesize

                                                80KB

                                              • memory/5068-22-0x00000000022C0000-0x000000000334E000-memory.dmp

                                                Filesize

                                                16.6MB

                                              • memory/5068-23-0x00000000022C0000-0x000000000334E000-memory.dmp

                                                Filesize

                                                16.6MB

                                              • memory/5068-3-0x00000000022C0000-0x000000000334E000-memory.dmp

                                                Filesize

                                                16.6MB

                                              • memory/5068-25-0x00000000022C0000-0x000000000334E000-memory.dmp

                                                Filesize

                                                16.6MB

                                              • memory/5068-21-0x00000000022C0000-0x000000000334E000-memory.dmp

                                                Filesize

                                                16.6MB

                                              • memory/5068-30-0x00000000022C0000-0x000000000334E000-memory.dmp

                                                Filesize

                                                16.6MB

                                              • memory/5068-31-0x00000000022C0000-0x000000000334E000-memory.dmp

                                                Filesize

                                                16.6MB

                                              • memory/5068-32-0x00000000022C0000-0x000000000334E000-memory.dmp

                                                Filesize

                                                16.6MB

                                              • memory/5068-34-0x00000000022C0000-0x000000000334E000-memory.dmp

                                                Filesize

                                                16.6MB

                                              • memory/5068-35-0x00000000022C0000-0x000000000334E000-memory.dmp

                                                Filesize

                                                16.6MB

                                              • memory/5068-36-0x00000000022C0000-0x000000000334E000-memory.dmp

                                                Filesize

                                                16.6MB

                                              • memory/5068-45-0x00000000022C0000-0x000000000334E000-memory.dmp

                                                Filesize

                                                16.6MB

                                              • memory/5068-46-0x00000000022C0000-0x000000000334E000-memory.dmp

                                                Filesize

                                                16.6MB

                                              • memory/5068-48-0x00000000022C0000-0x000000000334E000-memory.dmp

                                                Filesize

                                                16.6MB

                                              • memory/5068-53-0x00000000022C0000-0x000000000334E000-memory.dmp

                                                Filesize

                                                16.6MB

                                              • memory/5068-54-0x00000000022C0000-0x000000000334E000-memory.dmp

                                                Filesize

                                                16.6MB

                                              • memory/5068-56-0x00000000022C0000-0x000000000334E000-memory.dmp

                                                Filesize

                                                16.6MB

                                              • memory/5068-58-0x00000000022C0000-0x000000000334E000-memory.dmp

                                                Filesize

                                                16.6MB

                                              • memory/5068-59-0x00000000040E0000-0x00000000040E2000-memory.dmp

                                                Filesize

                                                8KB

                                              • memory/5068-61-0x00000000022C0000-0x000000000334E000-memory.dmp

                                                Filesize

                                                16.6MB

                                              • memory/5068-63-0x00000000022C0000-0x000000000334E000-memory.dmp

                                                Filesize

                                                16.6MB

                                              • memory/5068-65-0x00000000022C0000-0x000000000334E000-memory.dmp

                                                Filesize

                                                16.6MB

                                              • memory/5068-67-0x00000000022C0000-0x000000000334E000-memory.dmp

                                                Filesize

                                                16.6MB

                                              • memory/5068-69-0x00000000022C0000-0x000000000334E000-memory.dmp

                                                Filesize

                                                16.6MB

                                              • memory/5068-1-0x00000000022C0000-0x000000000334E000-memory.dmp

                                                Filesize

                                                16.6MB