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Analysis

  • max time kernel
    148s
  • max time network
    194s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/10/2023, 19:32

General

  • Target

    NEAS.e575d2490fd15668d2110090f0d63b30.exe

  • Size

    65KB

  • MD5

    e575d2490fd15668d2110090f0d63b30

  • SHA1

    9720918b30d5bbdfd80e10108c7bc36d15592769

  • SHA256

    c4d04a00c22ea6e6ac28f734fca24fa0a81a10155cbbdd90940d878888842b69

  • SHA512

    e16e0ca8c1cec42bcfc00e56eca8c177e2cd3665cc68fc4ddf1aae7f5d4eebf4df01dc7e3512369afb24c767db626dd588808bd5ab92422e6f6b8dbab4b2c38e

  • SSDEEP

    1536:VsrK4zEKuVaObGnXbw73ifyusoDNlkpIoN5OmKhcyJ:VOusOaFnsoDNqpI85OBtJ

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

  • 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
  • UPX packed file 27 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 9 IoCs

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

  • Drops file in Windows directory 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 34 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:784
    • C:\Windows\system32\dwm.exe
      "dwm.exe"
      1⤵
        PID:336
      • C:\Windows\system32\fontdrvhost.exe
        "fontdrvhost.exe"
        1⤵
          PID:792
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2372
          • C:\Windows\System32\RuntimeBroker.exe
            C:\Windows\System32\RuntimeBroker.exe -Embedding
            1⤵
              PID:3656
            • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
              "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
              1⤵
                PID:3540
              • C:\Windows\system32\DllHost.exe
                C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                1⤵
                  PID:3448
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3276
                  • C:\Windows\System32\RuntimeBroker.exe
                    C:\Windows\System32\RuntimeBroker.exe -Embedding
                    1⤵
                      PID:2648
                    • C:\Windows\system32\backgroundTaskHost.exe
                      "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                      1⤵
                        PID:2460
                      • 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:4760
                        • C:\Windows\System32\RuntimeBroker.exe
                          C:\Windows\System32\RuntimeBroker.exe -Embedding
                          1⤵
                            PID:3376
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3968
                            • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                              "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                              1⤵
                                PID:3732
                              • C:\Windows\Explorer.EXE
                                C:\Windows\Explorer.EXE
                                1⤵
                                  PID:3144
                                  • C:\Users\Admin\AppData\Local\Temp\NEAS.e575d2490fd15668d2110090f0d63b30.exe
                                    "C:\Users\Admin\AppData\Local\Temp\NEAS.e575d2490fd15668d2110090f0d63b30.exe"
                                    2⤵
                                    • Modifies firewall policy service
                                    • UAC bypass
                                    • Windows security bypass
                                    • Windows security modification
                                    • Checks whether UAC is enabled
                                    • Enumerates connected drives
                                    • Drops file in Windows directory
                                    • Suspicious behavior: EnumeratesProcesses
                                    • Suspicious use of AdjustPrivilegeToken
                                    • Suspicious use of WriteProcessMemory
                                    • System policy modification
                                    PID:1660
                                • C:\Windows\system32\taskhostw.exe
                                  taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                                  1⤵
                                    PID:2564
                                  • C:\Windows\system32\svchost.exe
                                    C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                                    1⤵
                                      PID:2408

                                    Network

                                    MITRE ATT&CK Enterprise v15

                                    Replay Monitor

                                    Loading Replay Monitor...

                                    Downloads

                                    • memory/1660-0-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/1660-1-0x0000000000780000-0x000000000183A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/1660-3-0x0000000000780000-0x000000000183A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/1660-4-0x0000000000780000-0x000000000183A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/1660-5-0x0000000000780000-0x000000000183A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/1660-13-0x0000000003E70000-0x0000000003E71000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/1660-7-0x0000000003660000-0x0000000003662000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/1660-6-0x0000000000780000-0x000000000183A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/1660-15-0x0000000003660000-0x0000000003662000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/1660-16-0x0000000000780000-0x000000000183A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/1660-17-0x0000000000780000-0x000000000183A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/1660-18-0x0000000000780000-0x000000000183A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/1660-19-0x0000000000780000-0x000000000183A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/1660-20-0x0000000000780000-0x000000000183A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/1660-21-0x0000000000780000-0x000000000183A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/1660-22-0x0000000000780000-0x000000000183A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/1660-23-0x0000000000780000-0x000000000183A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/1660-24-0x0000000000780000-0x000000000183A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/1660-25-0x0000000000780000-0x000000000183A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/1660-27-0x0000000000780000-0x000000000183A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/1660-28-0x0000000000780000-0x000000000183A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/1660-29-0x0000000000780000-0x000000000183A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/1660-31-0x0000000003660000-0x0000000003662000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/1660-32-0x0000000000780000-0x000000000183A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/1660-33-0x0000000000780000-0x000000000183A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/1660-35-0x0000000000780000-0x000000000183A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/1660-37-0x0000000000780000-0x000000000183A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/1660-38-0x0000000000780000-0x000000000183A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/1660-40-0x0000000000780000-0x000000000183A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/1660-42-0x0000000000780000-0x000000000183A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/1660-45-0x0000000000780000-0x000000000183A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/1660-59-0x0000000003660000-0x0000000003662000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/1660-48-0x0000000000780000-0x000000000183A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/1660-66-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB