Analysis

  • max time kernel
    126s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/02/2024, 00:46

General

  • Target
    9f00729b92496946abd7778b578883f1.exe
  • Size 100KB
  • Sample240216-a4v4vade68
  • SHA256 2441a77cc057b457268463a118ef2020c79d88e74b73e3f4d84bbe2a46f3d718
  • 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 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 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\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:800
    • C:\Windows\system32\dwm.exe
      "dwm.exe"
      1⤵
        PID:64
      • C:\Windows\system32\fontdrvhost.exe
        "fontdrvhost.exe"
        1⤵
          PID:808
        • C:\Windows\system32\svchost.exe
          C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
          1⤵
            PID:3692
          • C:\Windows\Explorer.EXE
            C:\Windows\Explorer.EXE
            1⤵
              PID:3520
              • C:\Users\Admin\AppData\Local\Temp\9f00729b92496946abd7778b578883f1.exe
                "C:\Users\Admin\AppData\Local\Temp\9f00729b92496946abd7778b578883f1.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:892
            • C:\Windows\system32\DllHost.exe
              C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
              1⤵
                PID:3872
              • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                1⤵
                  PID:3984
                • C:\Windows\System32\RuntimeBroker.exe
                  C:\Windows\System32\RuntimeBroker.exe -Embedding
                  1⤵
                    PID:2352
                  • C:\Windows\System32\RuntimeBroker.exe
                    C:\Windows\System32\RuntimeBroker.exe -Embedding
                    1⤵
                      PID:404
                    • 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:4812
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:4148
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:3344
                          • C:\Windows\system32\taskhostw.exe
                            taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                            1⤵
                              PID:2796
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                              1⤵
                                PID:2528
                              • C:\Windows\system32\sihost.exe
                                sihost.exe
                                1⤵
                                  PID:2504

                                Network

                                      MITRE ATT&CK Enterprise v15

                                      Replay Monitor

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                                      Downloads

                                      hjsp.exe

                                      • Path F:\hjsp.exe
                                      • Size 100KB
                                      • SHA256 46eb5f3bb48e1f25ce0c0e5009daf974e24ad8a7352d57fa458afddccde203ca
                                      • MD5 SHA1 SHA512 SSDEEP

                                      memory/892-27-0x00000000022C0000-0x000000000334E000-memory.dmp

                                      memory/892-4-0x00000000022C0000-0x000000000334E000-memory.dmp

                                      memory/892-5-0x00000000022C0000-0x000000000334E000-memory.dmp

                                      memory/892-7-0x0000000003AA0000-0x0000000003AA2000-memory.dmp

                                      memory/892-8-0x0000000003AB0000-0x0000000003AB1000-memory.dmp

                                      memory/892-6-0x00000000022C0000-0x000000000334E000-memory.dmp

                                      memory/892-10-0x0000000003AA0000-0x0000000003AA2000-memory.dmp

                                      memory/892-11-0x00000000022C0000-0x000000000334E000-memory.dmp

                                      memory/892-12-0x00000000022C0000-0x000000000334E000-memory.dmp

                                      memory/892-13-0x00000000022C0000-0x000000000334E000-memory.dmp

                                      memory/892-14-0x00000000022C0000-0x000000000334E000-memory.dmp

                                      memory/892-15-0x00000000022C0000-0x000000000334E000-memory.dmp

                                      memory/892-16-0x00000000022C0000-0x000000000334E000-memory.dmp

                                      memory/892-17-0x00000000022C0000-0x000000000334E000-memory.dmp

                                      memory/892-18-0x00000000022C0000-0x000000000334E000-memory.dmp

                                      memory/892-19-0x00000000022C0000-0x000000000334E000-memory.dmp

                                      memory/892-20-0x00000000022C0000-0x000000000334E000-memory.dmp

                                      memory/892-22-0x00000000022C0000-0x000000000334E000-memory.dmp

                                      memory/892-23-0x00000000022C0000-0x000000000334E000-memory.dmp

                                      memory/892-24-0x00000000022C0000-0x000000000334E000-memory.dmp

                                      memory/892-29-0x00000000022C0000-0x000000000334E000-memory.dmp

                                      memory/892-26-0x00000000022C0000-0x000000000334E000-memory.dmp

                                      memory/892-0-0x0000000000400000-0x0000000000414000-memory.dmp

                                      memory/892-31-0x00000000022C0000-0x000000000334E000-memory.dmp

                                      memory/892-34-0x00000000022C0000-0x000000000334E000-memory.dmp

                                      memory/892-36-0x00000000022C0000-0x000000000334E000-memory.dmp

                                      memory/892-38-0x00000000022C0000-0x000000000334E000-memory.dmp

                                      memory/892-40-0x00000000022C0000-0x000000000334E000-memory.dmp

                                      memory/892-41-0x00000000022C0000-0x000000000334E000-memory.dmp

                                      memory/892-42-0x00000000022C0000-0x000000000334E000-memory.dmp

                                      memory/892-44-0x00000000022C0000-0x000000000334E000-memory.dmp

                                      memory/892-51-0x00000000022C0000-0x000000000334E000-memory.dmp

                                      memory/892-52-0x00000000022C0000-0x000000000334E000-memory.dmp

                                      memory/892-53-0x00000000022C0000-0x000000000334E000-memory.dmp

                                      memory/892-55-0x00000000022C0000-0x000000000334E000-memory.dmp

                                      memory/892-57-0x00000000022C0000-0x000000000334E000-memory.dmp

                                      memory/892-59-0x00000000022C0000-0x000000000334E000-memory.dmp

                                      memory/892-61-0x00000000022C0000-0x000000000334E000-memory.dmp

                                      memory/892-63-0x00000000022C0000-0x000000000334E000-memory.dmp

                                      memory/892-65-0x00000000022C0000-0x000000000334E000-memory.dmp

                                      memory/892-67-0x00000000022C0000-0x000000000334E000-memory.dmp

                                      memory/892-69-0x0000000003AA0000-0x0000000003AA2000-memory.dmp

                                      memory/892-70-0x00000000022C0000-0x000000000334E000-memory.dmp

                                      memory/892-2-0x00000000022C0000-0x000000000334E000-memory.dmp