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Analysis

  • max time kernel
    145s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/12/2022, 03:46

General

  • Target

    95660a3c0d6da18a1fd56f1485e65342690daaba5a4c48ab10099ea3fdd19a68.exe

  • Size

    768KB

  • MD5

    279f3d207b0d6e148f102dc2b9b35dd0

  • SHA1

    17c3f8c5746296f8872a111099508ba0dbc31e4f

  • SHA256

    95660a3c0d6da18a1fd56f1485e65342690daaba5a4c48ab10099ea3fdd19a68

  • SHA512

    81ac1fef2d3f3f38b6e0e1f072e1f04cbb71cb025a8d1ba97b11e6a44eb5c96d01eaee06bac928b20c22c5630cd60d50e61f585d91c7269fecbc55b46c34e54f

  • SSDEEP

    12288:f2aUjD5zu6HmZagUJDJTmZUUPjAA4XdYgqf1:f2s5DTPjAA4XdYgqd

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

Signatures

  • 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
  • Modifies Windows Firewall 1 TTPs 1 IoCs
  • UPX packed file 2 IoCs

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

  • Loads dropped DLL 1 IoCs
  • 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). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:796
    • C:\Windows\system32\dwm.exe
      "dwm.exe"
      1⤵
        PID:1020
      • C:\Windows\system32\sihost.exe
        sihost.exe
        1⤵
          PID:2452
        • C:\Windows\System32\RuntimeBroker.exe
          C:\Windows\System32\RuntimeBroker.exe -Embedding
          1⤵
            PID:3452
          • C:\Windows\System32\RuntimeBroker.exe
            C:\Windows\System32\RuntimeBroker.exe -Embedding
            1⤵
              PID:4952
            • C:\Windows\System32\RuntimeBroker.exe
              C:\Windows\System32\RuntimeBroker.exe -Embedding
              1⤵
                PID:3828
              • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                1⤵
                  PID:3532
                • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                  "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                  1⤵
                    PID:3380
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3288
                    • C:\Windows\system32\svchost.exe
                      C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                      1⤵
                        PID:3096
                      • C:\Windows\Explorer.EXE
                        C:\Windows\Explorer.EXE
                        1⤵
                          PID:1040
                          • C:\Users\Admin\AppData\Local\Temp\95660a3c0d6da18a1fd56f1485e65342690daaba5a4c48ab10099ea3fdd19a68.exe
                            "C:\Users\Admin\AppData\Local\Temp\95660a3c0d6da18a1fd56f1485e65342690daaba5a4c48ab10099ea3fdd19a68.exe"
                            2⤵
                            • UAC bypass
                            • Windows security bypass
                            • Disables RegEdit via registry modification
                            • Loads dropped DLL
                            • 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:996
                            • C:\Windows\SysWOW64\netsh.exe
                              netsh firewall set opmode disable
                              3⤵
                              • Modifies Windows Firewall
                              PID:5032
                        • C:\Windows\system32\taskhostw.exe
                          taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                          1⤵
                            PID:2680
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                            1⤵
                              PID:2536
                            • C:\Windows\system32\fontdrvhost.exe
                              "fontdrvhost.exe"
                              1⤵
                                PID:800

                              Network

                              MITRE ATT&CK Enterprise v6

                              Replay Monitor

                              Loading Replay Monitor...

                              Downloads

                              • C:\Users\Admin\AppData\Local\Temp\nsdB77E.tmp\System.dll

                                Filesize

                                9KB

                                MD5

                                ae182dc797cd9ad2c025066692fc041b

                                SHA1

                                7ee5f057be9febfa77f698a1b12213a5bbdd4742

                                SHA256

                                b214f6d6c4d27f749105f7e8846a7c2d475dbcc966876370b5a7dab6e4b8a471

                                SHA512

                                2a9a200d067df47638a86f4f058c6d78fb59bd064c65650cae5022a62a3714e33f93f6af1dd599fda180d5af18f432835a1f909807f4fb459aa9d6c24e3fbab7

                              • memory/996-133-0x0000000000400000-0x0000000000464000-memory.dmp

                                Filesize

                                400KB

                              • memory/996-132-0x0000000002410000-0x0000000003443000-memory.dmp

                                Filesize

                                16.2MB

                              • memory/996-136-0x0000000000400000-0x0000000000464000-memory.dmp

                                Filesize

                                400KB

                              • memory/996-137-0x0000000002410000-0x0000000003443000-memory.dmp

                                Filesize

                                16.2MB