Analysis

  • max time kernel
    122s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/02/2024, 15:02

General

  • Target
    9ddeb80f862a4467773334c104ae9087.exe
  • Size 100KB
  • Sample240215-sesarsad38
  • SHA256 35c021eaeec9808b9abfea2cc9f5d6e5c57a6db76b9ce24516453ac09538b7dd
  • MD5 SHA1 SHA512 SSDEEP

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

  • http://www.klkjwre9fqwieluoi.info/

  • http://kukutrustnet777888.info/

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 36 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 21 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 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).

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 24 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\dwm.exe
    "dwm.exe"
    1⤵
      PID:336
    • C:\Windows\System32\RuntimeBroker.exe
      C:\Windows\System32\RuntimeBroker.exe -Embedding
      1⤵
        PID:3952
      • C:\Windows\System32\RuntimeBroker.exe
        C:\Windows\System32\RuntimeBroker.exe -Embedding
        1⤵
          PID:3464
        • 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:3948
          • C:\Windows\System32\RuntimeBroker.exe
            C:\Windows\System32\RuntimeBroker.exe -Embedding
            1⤵
              PID:4244
            • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
              "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
              1⤵
                PID:4044
              • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                1⤵
                  PID:3888
                • C:\Windows\system32\DllHost.exe
                  C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                  1⤵
                    PID:3796
                  • C:\Windows\system32\svchost.exe
                    C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                    1⤵
                      PID:3584
                    • C:\Windows\Explorer.EXE
                      C:\Windows\Explorer.EXE
                      1⤵
                        PID:3392
                        • C:\Users\Admin\AppData\Local\Temp\9ddeb80f862a4467773334c104ae9087.exe
                          "C:\Users\Admin\AppData\Local\Temp\9ddeb80f862a4467773334c104ae9087.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 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:4384
                      • C:\Windows\system32\taskhostw.exe
                        taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                        1⤵
                          PID:3132
                        • C:\Windows\system32\svchost.exe
                          C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                          1⤵
                            PID:1020
                          • C:\Windows\system32\sihost.exe
                            sihost.exe
                            1⤵
                              PID:2980
                            • C:\Windows\system32\fontdrvhost.exe
                              "fontdrvhost.exe"
                              1⤵
                                PID:780
                              • C:\Windows\system32\fontdrvhost.exe
                                "fontdrvhost.exe"
                                1⤵
                                  PID:772

                                Network

                                      MITRE ATT&CK Enterprise v15

                                      Replay Monitor

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                                      Downloads

                                      bvxit.pif

                                      • Path F:\bvxit.pif
                                      • Size 100KB
                                      • SHA256 b44f0cf10d72db8cba054cce0adbcf62f01ad8c59d973a3c174ecb063aba0d34
                                      • MD5 SHA1 SHA512 SSDEEP

                                      memory/4384-23-0x00000000022C0000-0x000000000334E000-memory.dmp

                                      memory/4384-26-0x00000000022C0000-0x000000000334E000-memory.dmp

                                      memory/4384-4-0x00000000022C0000-0x000000000334E000-memory.dmp

                                      memory/4384-6-0x00000000022C0000-0x000000000334E000-memory.dmp

                                      memory/4384-7-0x00000000045F0000-0x00000000045F1000-memory.dmp

                                      memory/4384-9-0x0000000004120000-0x0000000004122000-memory.dmp

                                      memory/4384-5-0x0000000004120000-0x0000000004122000-memory.dmp

                                      memory/4384-10-0x00000000022C0000-0x000000000334E000-memory.dmp

                                      memory/4384-11-0x00000000022C0000-0x000000000334E000-memory.dmp

                                      memory/4384-12-0x00000000022C0000-0x000000000334E000-memory.dmp

                                      memory/4384-13-0x00000000022C0000-0x000000000334E000-memory.dmp

                                      memory/4384-14-0x00000000022C0000-0x000000000334E000-memory.dmp

                                      memory/4384-15-0x00000000022C0000-0x000000000334E000-memory.dmp

                                      memory/4384-16-0x00000000022C0000-0x000000000334E000-memory.dmp

                                      memory/4384-17-0x00000000022C0000-0x000000000334E000-memory.dmp

                                      memory/4384-18-0x00000000022C0000-0x000000000334E000-memory.dmp

                                      memory/4384-19-0x00000000022C0000-0x000000000334E000-memory.dmp

                                      memory/4384-21-0x00000000022C0000-0x000000000334E000-memory.dmp

                                      memory/4384-22-0x00000000022C0000-0x000000000334E000-memory.dmp

                                      memory/4384-0-0x0000000000400000-0x0000000000414000-memory.dmp

                                      memory/4384-3-0x00000000022C0000-0x000000000334E000-memory.dmp

                                      memory/4384-28-0x00000000022C0000-0x000000000334E000-memory.dmp

                                      memory/4384-25-0x00000000022C0000-0x000000000334E000-memory.dmp

                                      memory/4384-30-0x00000000022C0000-0x000000000334E000-memory.dmp

                                      memory/4384-33-0x00000000022C0000-0x000000000334E000-memory.dmp

                                      memory/4384-35-0x00000000022C0000-0x000000000334E000-memory.dmp

                                      memory/4384-37-0x00000000022C0000-0x000000000334E000-memory.dmp

                                      memory/4384-39-0x00000000022C0000-0x000000000334E000-memory.dmp

                                      memory/4384-41-0x00000000022C0000-0x000000000334E000-memory.dmp

                                      memory/4384-43-0x00000000022C0000-0x000000000334E000-memory.dmp

                                      memory/4384-45-0x00000000022C0000-0x000000000334E000-memory.dmp

                                      memory/4384-47-0x00000000022C0000-0x000000000334E000-memory.dmp

                                      memory/4384-49-0x00000000022C0000-0x000000000334E000-memory.dmp

                                      memory/4384-56-0x00000000022C0000-0x000000000334E000-memory.dmp

                                      memory/4384-58-0x0000000004120000-0x0000000004122000-memory.dmp

                                      memory/4384-59-0x00000000022C0000-0x000000000334E000-memory.dmp

                                      memory/4384-61-0x00000000022C0000-0x000000000334E000-memory.dmp

                                      memory/4384-63-0x00000000022C0000-0x000000000334E000-memory.dmp

                                      memory/4384-65-0x00000000022C0000-0x000000000334E000-memory.dmp

                                      memory/4384-67-0x00000000022C0000-0x000000000334E000-memory.dmp

                                      memory/4384-1-0x00000000022C0000-0x000000000334E000-memory.dmp