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Analysis

  • max time kernel
    129s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/04/2024, 11:41

General

  • Target

    50f655b0e749f344954d4fcaeaa73cb90127cb43a134931d6d2c0b03760a0af8.exe

  • Size

    817KB

  • MD5

    bf761c4b9d4e53c986ac7879ee109d31

  • SHA1

    cc627662fa09682b7a3578db810632ff5a6d4f74

  • SHA256

    50f655b0e749f344954d4fcaeaa73cb90127cb43a134931d6d2c0b03760a0af8

  • SHA512

    f16cfa5b1d7bedaedee9d8ed6b9854c17100d76e05dec5ec9fc294462ed7c427d2e6351012615353bde50182f5a8d802d616bf7d84139e1d6b599963b08decd4

  • SSDEEP

    12288:HX4f0LXn6gy2JB4/xqEh+fjOcjclijLWNQqLLBWifXLelTI7u0P8pkAwL+4p:3Xvyb/xzhcrszNQqLtWiSlTI7u0PAwRp

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 39 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 22 IoCs

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

  • Drops autorun.inf file 1 TTPs 2 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in Windows directory 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 22 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:808
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:816
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:384
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2472
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2480
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2744
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3464
                  • C:\Users\Admin\AppData\Local\Temp\50f655b0e749f344954d4fcaeaa73cb90127cb43a134931d6d2c0b03760a0af8.exe
                    "C:\Users\Admin\AppData\Local\Temp\50f655b0e749f344954d4fcaeaa73cb90127cb43a134931d6d2c0b03760a0af8.exe"
                    2⤵
                    • Modifies firewall policy service
                    • UAC bypass
                    • Windows security bypass
                    • Windows security modification
                    • Checks whether UAC is enabled
                    • Enumerates connected drives
                    • Drops autorun.inf file
                    • Drops file in Windows directory
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of WriteProcessMemory
                    • System policy modification
                    PID:4372
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3664
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3844
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3960
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:4052
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:2840
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3912
                            • C:\Windows\System32\RuntimeBroker.exe
                              C:\Windows\System32\RuntimeBroker.exe -Embedding
                              1⤵
                                PID:4316
                              • 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:3396
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppX53ypgrj20bgndg05hj3tc7z654myszwp.mca
                                  1⤵
                                    PID:4832
                                  • C:\Windows\system32\backgroundTaskHost.exe
                                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                                    1⤵
                                      PID:2164
                                    • C:\Windows\system32\backgroundTaskHost.exe
                                      "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                      1⤵
                                        PID:3300
                                      • C:\Windows\system32\BackgroundTaskHost.exe
                                        "C:\Windows\system32\BackgroundTaskHost.exe" -ServerName:BackgroundTaskHost.WebAccountProvider
                                        1⤵
                                          PID:4740
                                        • C:\Windows\System32\RuntimeBroker.exe
                                          C:\Windows\System32\RuntimeBroker.exe -Embedding
                                          1⤵
                                            PID:2060
                                          • C:\Windows\System32\RuntimeBroker.exe
                                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                                            1⤵
                                              PID:4164

                                            Network

                                            MITRE ATT&CK Enterprise v15

                                            Replay Monitor

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                                            Downloads

                                            • C:\agnfci.pif

                                              Filesize

                                              97KB

                                              MD5

                                              dd4a4d7d02d8b55687508bb2d355922b

                                              SHA1

                                              5bccc9dd8e85b788bcb7de908781ac4c193c1fae

                                              SHA256

                                              ef9e2b65a066b3891146d9e8c00226cd25c0ff17ea85b0893018de964c745777

                                              SHA512

                                              911d38d53f753b49c4e8357d87c5068ed9f34403cdf45f5d55f4c223d34af864c5228c93d2f87f57d93241b9aab2492aac7ccf56e35abdc20c2e22b93f0f2312

                                            • memory/4372-32-0x00000000022C0000-0x000000000337A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/4372-23-0x00000000022C0000-0x000000000337A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/4372-5-0x0000000004E30000-0x0000000004E32000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/4372-4-0x00000000022C0000-0x000000000337A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/4372-8-0x00000000022C0000-0x000000000337A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/4372-9-0x0000000004E30000-0x0000000004E32000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/4372-7-0x0000000004E30000-0x0000000004E32000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/4372-6-0x0000000004F40000-0x0000000004F41000-memory.dmp

                                              Filesize

                                              4KB

                                            • memory/4372-10-0x00000000022C0000-0x000000000337A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/4372-11-0x00000000022C0000-0x000000000337A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/4372-17-0x00000000022C0000-0x000000000337A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/4372-18-0x00000000022C0000-0x000000000337A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/4372-19-0x00000000022C0000-0x000000000337A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/4372-37-0x00000000022C0000-0x000000000337A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/4372-22-0x00000000022C0000-0x000000000337A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/4372-36-0x00000000022C0000-0x000000000337A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/4372-24-0x00000000022C0000-0x000000000337A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/4372-25-0x00000000022C0000-0x000000000337A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/4372-28-0x00000000022C0000-0x000000000337A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/4372-29-0x00000000022C0000-0x000000000337A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/4372-30-0x00000000022C0000-0x000000000337A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/4372-0-0x0000000000400000-0x00000000004CF000-memory.dmp

                                              Filesize

                                              828KB

                                            • memory/4372-3-0x00000000022C0000-0x000000000337A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/4372-33-0x00000000022C0000-0x000000000337A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/4372-20-0x00000000022C0000-0x000000000337A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/4372-44-0x00000000022C0000-0x000000000337A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/4372-45-0x00000000022C0000-0x000000000337A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/4372-46-0x00000000022C0000-0x000000000337A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/4372-47-0x00000000022C0000-0x000000000337A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/4372-1-0x00000000022C0000-0x000000000337A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/4372-50-0x00000000022C0000-0x000000000337A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/4372-59-0x00000000022C0000-0x000000000337A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/4372-60-0x00000000022C0000-0x000000000337A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/4372-62-0x00000000022C0000-0x000000000337A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/4372-65-0x0000000004E30000-0x0000000004E32000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/4372-66-0x00000000022C0000-0x000000000337A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/4372-67-0x00000000022C0000-0x000000000337A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/4372-68-0x00000000022C0000-0x000000000337A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/4372-71-0x00000000022C0000-0x000000000337A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/4372-73-0x00000000022C0000-0x000000000337A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/4372-74-0x00000000022C0000-0x000000000337A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/4372-76-0x00000000022C0000-0x000000000337A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/4372-78-0x00000000022C0000-0x000000000337A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/4372-80-0x00000000022C0000-0x000000000337A000-memory.dmp

                                              Filesize

                                              16.7MB

                                            • memory/4372-84-0x00000000022C0000-0x000000000337A000-memory.dmp

                                              Filesize

                                              16.7MB