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Analysis

  • max time kernel
    150s
  • max time network
    130s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/11/2022, 19:21

General

  • Target

    022c4785b8eba1a1bcc350434f4f9a001408cbbf0c1749162cf84f18d23d81a1.exe

  • Size

    216KB

  • MD5

    0c9e8b47b7644b4ebb633c86be77e500

  • SHA1

    2434f503163aeb133145a9c2394683034a7aa123

  • SHA256

    022c4785b8eba1a1bcc350434f4f9a001408cbbf0c1749162cf84f18d23d81a1

  • SHA512

    f59e73bbaac66e192b2b84a64325879e41e762fd439fe83e2fc75b4ebffb1a2ef469ae0e64fae4427ff3b080cb225e1f67ff5cd6a6c6256e635197bea73f1239

  • SSDEEP

    3072:NrYgJesbikvyxyvZcMO/6T4nIB5BAZlB/5KGRMGvCyJ3+tGgxNFr:Np5b9qAZcR/6TkINwlHVyyM9

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 3 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
  • 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). Likely ransomware behaviour.

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 30 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:780
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:776
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:328
        • C:\Windows\System32\RuntimeBroker.exe
          C:\Windows\System32\RuntimeBroker.exe -Embedding
          1⤵
            PID:3488
          • C:\Windows\system32\backgroundTaskHost.exe
            "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppX53ypgrj20bgndg05hj3tc7z654myszwp.mca
            1⤵
              PID:2384
            • C:\Windows\System32\RuntimeBroker.exe
              C:\Windows\System32\RuntimeBroker.exe -Embedding
              1⤵
                PID:4568
              • C:\Windows\System32\RuntimeBroker.exe
                C:\Windows\System32\RuntimeBroker.exe -Embedding
                1⤵
                  PID:3764
                • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                  "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                  1⤵
                    PID:3584
                  • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                    "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                    1⤵
                      PID:3372
                    • C:\Windows\system32\DllHost.exe
                      C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                      1⤵
                        PID:3272
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                        1⤵
                          PID:3084
                        • C:\Windows\Explorer.EXE
                          C:\Windows\Explorer.EXE
                          1⤵
                            PID:1076
                            • C:\Users\Admin\AppData\Local\Temp\022c4785b8eba1a1bcc350434f4f9a001408cbbf0c1749162cf84f18d23d81a1.exe
                              "C:\Users\Admin\AppData\Local\Temp\022c4785b8eba1a1bcc350434f4f9a001408cbbf0c1749162cf84f18d23d81a1.exe"
                              2⤵
                              • UAC bypass
                              • Windows security bypass
                              • Disables RegEdit via registry modification
                              • Windows security modification
                              • Checks whether UAC is enabled
                              • 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:4204
                              • C:\Windows\SysWOW64\netsh.exe
                                netsh firewall set opmode disable
                                3⤵
                                • Modifies Windows Firewall
                                PID:856
                              • C:\Windows\SysWOW64\NOTEPAD.EXE
                                "C:\Windows\system32\NOTEPAD.EXE"
                                3⤵
                                  PID:1740
                                • C:\Windows\SysWOW64\NOTEPAD.EXE
                                  "C:\Windows\system32\NOTEPAD.EXE"
                                  3⤵
                                    PID:4784
                              • C:\Windows\system32\taskhostw.exe
                                taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                                1⤵
                                  PID:2844
                                • C:\Windows\system32\svchost.exe
                                  C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                                  1⤵
                                    PID:2788
                                  • C:\Windows\system32\sihost.exe
                                    sihost.exe
                                    1⤵
                                      PID:2656

                                    Network

                                    MITRE ATT&CK Enterprise v6

                                    Replay Monitor

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                                    Downloads

                                    • memory/1740-138-0x0000000000980000-0x0000000000997000-memory.dmp

                                      Filesize

                                      92KB

                                    • memory/4204-132-0x0000000001000000-0x0000000001032000-memory.dmp

                                      Filesize

                                      200KB

                                    • memory/4204-133-0x0000000002450000-0x0000000003483000-memory.dmp

                                      Filesize

                                      16.2MB

                                    • memory/4204-135-0x0000000002450000-0x0000000003483000-memory.dmp

                                      Filesize

                                      16.2MB

                                    • memory/4204-136-0x0000000002450000-0x0000000003483000-memory.dmp

                                      Filesize

                                      16.2MB

                                    • memory/4204-141-0x0000000001000000-0x0000000001032000-memory.dmp

                                      Filesize

                                      200KB

                                    • memory/4784-140-0x0000000000EC0000-0x0000000000ED7000-memory.dmp

                                      Filesize

                                      92KB