Analysis

  • max time kernel
    135s
  • max time network
    128s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-05-2024 17:31

General

  • Target

    e3e5a26fe090b0e8f2b421f893844c1d6ce74c2d9ca76723a0df637d9163c32f.exe

  • Size

    65KB

  • MD5

    1baa53feacb12acc8e522e61e43f2290

  • SHA1

    64db0f70c974ea2d75f573f36a35ff49d0113e14

  • SHA256

    e3e5a26fe090b0e8f2b421f893844c1d6ce74c2d9ca76723a0df637d9163c32f

  • SHA512

    cb3b3c9666756d6b8381e9b2019be5e46df44c2ebe77f2f4c3fca219527541d71573c16d13d147e47805dd6761ea8f336ebda38a38f4576617934d05df9976b1

  • SSDEEP

    1536:Er4Dnn2QZ8JLzcjzcwFPV4J0GVV5UwUYS7ObP3:Ek72QZ89IcgPCFQr7I3

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 31 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 14 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 36 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:784
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:336
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2604
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2636
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2880
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3424
                  • C:\Users\Admin\AppData\Local\Temp\e3e5a26fe090b0e8f2b421f893844c1d6ce74c2d9ca76723a0df637d9163c32f.exe
                    "C:\Users\Admin\AppData\Local\Temp\e3e5a26fe090b0e8f2b421f893844c1d6ce74c2d9ca76723a0df637d9163c32f.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:2152
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3536
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3728
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3824
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3892
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:3976
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:2932
                            • C:\Windows\System32\RuntimeBroker.exe
                              C:\Windows\System32\RuntimeBroker.exe -Embedding
                              1⤵
                                PID:4664
                              • 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:2240
                                • C:\Windows\System32\RuntimeBroker.exe
                                  C:\Windows\System32\RuntimeBroker.exe -Embedding
                                  1⤵
                                    PID:5028
                                  • C:\Windows\system32\backgroundTaskHost.exe
                                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                                    1⤵
                                      PID:4912
                                    • C:\Windows\system32\backgroundTaskHost.exe
                                      "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                      1⤵
                                        PID:2272
                                      • C:\Windows\System32\RuntimeBroker.exe
                                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                                        1⤵
                                          PID:2324

                                        Network

                                        MITRE ATT&CK Enterprise v15

                                        Replay Monitor

                                        Loading Replay Monitor...

                                        Downloads

                                        • memory/2152-0-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/2152-1-0x00000000007C0000-0x000000000187A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/2152-3-0x00000000007C0000-0x000000000187A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/2152-4-0x00000000007C0000-0x000000000187A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/2152-6-0x00000000007C0000-0x000000000187A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/2152-7-0x00000000007C0000-0x000000000187A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/2152-15-0x00000000007C0000-0x000000000187A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/2152-19-0x00000000007C0000-0x000000000187A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/2152-16-0x00000000007C0000-0x000000000187A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/2152-17-0x00000000005B0000-0x00000000005B2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/2152-18-0x00000000005B0000-0x00000000005B2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/2152-9-0x0000000001A00000-0x0000000001A01000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/2152-8-0x00000000005B0000-0x00000000005B2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/2152-5-0x00000000007C0000-0x000000000187A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/2152-20-0x00000000007C0000-0x000000000187A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/2152-21-0x00000000007C0000-0x000000000187A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/2152-22-0x00000000007C0000-0x000000000187A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/2152-23-0x00000000007C0000-0x000000000187A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/2152-24-0x00000000007C0000-0x000000000187A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/2152-25-0x00000000007C0000-0x000000000187A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/2152-27-0x00000000007C0000-0x000000000187A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/2152-28-0x00000000007C0000-0x000000000187A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/2152-29-0x00000000007C0000-0x000000000187A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/2152-31-0x00000000007C0000-0x000000000187A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/2152-32-0x00000000007C0000-0x000000000187A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/2152-35-0x00000000007C0000-0x000000000187A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/2152-36-0x00000000007C0000-0x000000000187A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/2152-38-0x00000000007C0000-0x000000000187A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/2152-41-0x00000000007C0000-0x000000000187A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/2152-42-0x00000000007C0000-0x000000000187A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/2152-43-0x00000000007C0000-0x000000000187A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/2152-45-0x00000000007C0000-0x000000000187A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/2152-46-0x00000000007C0000-0x000000000187A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/2152-50-0x00000000007C0000-0x000000000187A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/2152-52-0x00000000007C0000-0x000000000187A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/2152-61-0x00000000005B0000-0x00000000005B2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/2152-54-0x00000000007C0000-0x000000000187A000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/2152-71-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB