Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-05-2024 18:18

General

  • Target

    053ac65c844271c53c265494d428b57a2e9c17b109632bc341410c9348b84b7b.exe

  • Size

    65KB

  • MD5

    8426410966e55cfcd2601a3edad0cbc3

  • SHA1

    ab823ae1d5558cc8d38cf396d5a1fc2379b60386

  • SHA256

    053ac65c844271c53c265494d428b57a2e9c17b109632bc341410c9348b84b7b

  • SHA512

    859b228039c3762a0bea24b906bdfd11281d796134d4744dfc0998f008068746d2167a1489a8c9b8dd38b0a63ec84964bd7e124f035c19df3e962a63f8a289bc

  • SSDEEP

    1536:9S5YvTTf7JTxmStboA2DNDbQ3Ke9i/6DZBxww:98YXjNxmfA2JgL9+6lL

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
  • Detects executables packed with Sality Polymorphic Code Generator or Simple Poly Engine or Sality 32 IoCs
  • UPX dump on OEP (original entry point) 33 IoCs
  • UPX packed file 32 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 15 IoCs

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

  • Drops file in Program Files directory 4 IoCs
  • Drops file in Windows directory 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 35 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:776
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:780
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:380
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2532
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2548
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2648
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3408
                  • C:\Users\Admin\AppData\Local\Temp\053ac65c844271c53c265494d428b57a2e9c17b109632bc341410c9348b84b7b.exe
                    "C:\Users\Admin\AppData\Local\Temp\053ac65c844271c53c265494d428b57a2e9c17b109632bc341410c9348b84b7b.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 Program Files directory
                    • Drops file in Windows directory
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of WriteProcessMemory
                    • System policy modification
                    PID:4984
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3672
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3856
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3948
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:4008
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4084
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3304
                            • 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:2352
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:3128
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                                  1⤵
                                    PID:1960
                                  • C:\Windows\system32\backgroundTaskHost.exe
                                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                    1⤵
                                      PID:3576
                                    • C:\Windows\System32\RuntimeBroker.exe
                                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                                      1⤵
                                        PID:4872
                                      • C:\Windows\System32\RuntimeBroker.exe
                                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                                        1⤵
                                          PID:3712

                                        Network

                                        MITRE ATT&CK Enterprise v15

                                        Replay Monitor

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                                        Downloads

                                        • memory/4984-0-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/4984-1-0x00000000007B0000-0x000000000186A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4984-4-0x00000000007B0000-0x000000000186A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4984-15-0x0000000003FB0000-0x0000000003FB1000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/4984-17-0x00000000037A0000-0x00000000037A2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/4984-19-0x00000000037A0000-0x00000000037A2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/4984-6-0x00000000007B0000-0x000000000186A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4984-12-0x00000000007B0000-0x000000000186A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4984-14-0x00000000037A0000-0x00000000037A2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/4984-5-0x00000000007B0000-0x000000000186A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4984-16-0x00000000007B0000-0x000000000186A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4984-18-0x00000000007B0000-0x000000000186A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4984-20-0x00000000007B0000-0x000000000186A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4984-13-0x00000000007B0000-0x000000000186A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4984-3-0x00000000007B0000-0x000000000186A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4984-21-0x00000000007B0000-0x000000000186A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4984-22-0x00000000007B0000-0x000000000186A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4984-23-0x00000000007B0000-0x000000000186A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4984-24-0x00000000007B0000-0x000000000186A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4984-25-0x00000000007B0000-0x000000000186A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4984-27-0x00000000007B0000-0x000000000186A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4984-28-0x00000000007B0000-0x000000000186A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4984-29-0x00000000007B0000-0x000000000186A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4984-31-0x00000000007B0000-0x000000000186A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4984-32-0x00000000007B0000-0x000000000186A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4984-34-0x00000000007B0000-0x000000000186A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4984-36-0x00000000007B0000-0x000000000186A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4984-39-0x00000000007B0000-0x000000000186A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4984-40-0x00000000007B0000-0x000000000186A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4984-43-0x00000000007B0000-0x000000000186A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4984-44-0x00000000007B0000-0x000000000186A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4984-47-0x00000000007B0000-0x000000000186A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4984-48-0x00000000007B0000-0x000000000186A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4984-50-0x00000000007B0000-0x000000000186A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4984-51-0x00000000007B0000-0x000000000186A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4984-52-0x00000000007B0000-0x000000000186A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4984-62-0x00000000037A0000-0x00000000037A2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/4984-57-0x00000000007B0000-0x000000000186A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4984-73-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB