Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/03/2024, 02:42

General

  • Target
    d260f475764657f75fd76a6af8f3d310.exe
  • Size 167KB
  • Sample240318-c7eblsef43
  • SHA256 5c00deaf0aa0f2d9f27b835045e1954234afc880471b10485683ebeb3d5de2a7
  • 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

Signatures

  • Sality

    Sality is backdoor written in C++, first discovered in 2003.

  • UAC bypass 3 TTPs 1 IoCs
  • UPX packed file 9 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • 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 30 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:768
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:776
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:332
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2512
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2532
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2644
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3352
                  • C:\Users\Admin\AppData\Local\Temp\d260f475764657f75fd76a6af8f3d310.exe
                    "C:\Users\Admin\AppData\Local\Temp\d260f475764657f75fd76a6af8f3d310.exe"
                    2⤵
                    • UAC bypass
                    • Checks whether UAC is enabled
                    • 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:404
                    • C:\Windows\SysWOW64\NOTEPAD.EXE
                      "C:\Windows\system32\NOTEPAD.EXE"
                      3⤵
                        PID:1208
                      • C:\Windows\SysWOW64\NOTEPAD.EXE
                        "C:\Windows\system32\NOTEPAD.EXE"
                        3⤵
                          PID:5072
                        • C:\Windows\SysWOW64\NOTEPAD.EXE
                          "C:\Windows\system32\NOTEPAD.EXE"
                          3⤵
                            PID:3640
                          • C:\Windows\SysWOW64\NOTEPAD.EXE
                            "C:\Windows\system32\NOTEPAD.EXE"
                            3⤵
                              PID:4272
                            • C:\Windows\SysWOW64\NOTEPAD.EXE
                              "C:\Windows\system32\NOTEPAD.EXE"
                              3⤵
                                PID:3868
                              • C:\Windows\SysWOW64\NOTEPAD.EXE
                                "C:\Windows\system32\NOTEPAD.EXE"
                                3⤵
                                  PID:2388
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                              1⤵
                                PID:3556
                              • C:\Windows\system32\DllHost.exe
                                C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                                1⤵
                                  PID:3756
                                • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                                  "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                                  1⤵
                                    PID:3992
                                  • C:\Windows\System32\RuntimeBroker.exe
                                    C:\Windows\System32\RuntimeBroker.exe -Embedding
                                    1⤵
                                      PID:4056
                                    • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                                      "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                                      1⤵
                                        PID:3676
                                      • C:\Windows\System32\RuntimeBroker.exe
                                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                                        1⤵
                                          PID:4024
                                        • C:\Windows\System32\RuntimeBroker.exe
                                          C:\Windows\System32\RuntimeBroker.exe -Embedding
                                          1⤵
                                            PID:412
                                          • 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:2196
                                            • C:\Windows\system32\backgroundTaskHost.exe
                                              "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppX53ypgrj20bgndg05hj3tc7z654myszwp.mca
                                              1⤵
                                                PID:372
                                              • C:\Windows\system32\backgroundTaskHost.exe
                                                "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                                                1⤵
                                                  PID:4776
                                                • C:\Windows\system32\backgroundTaskHost.exe
                                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                                  1⤵
                                                    PID:3312
                                                  • C:\Windows\System32\RuntimeBroker.exe
                                                    C:\Windows\System32\RuntimeBroker.exe -Embedding
                                                    1⤵
                                                      PID:1784
                                                    • C:\Windows\System32\RuntimeBroker.exe
                                                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                                                      1⤵
                                                        PID:1304
                                                      • C:\Windows\system32\BackgroundTransferHost.exe
                                                        "BackgroundTransferHost.exe" -ServerName:BackgroundTransferHost.1
                                                        1⤵
                                                          PID:1368
                                                        • C:\Windows\System32\RuntimeBroker.exe
                                                          C:\Windows\System32\RuntimeBroker.exe -Embedding
                                                          1⤵
                                                            PID:3188

                                                          Network

                                                                MITRE ATT&CK Enterprise v15

                                                                Replay Monitor

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                                                                Downloads

                                                                memory/404-24-0x0000000002440000-0x0000000003470000-memory.dmp

                                                                memory/404-16-0x0000000002440000-0x0000000003470000-memory.dmp

                                                                memory/404-3-0x0000000002440000-0x0000000003470000-memory.dmp

                                                                memory/404-5-0x00000000037F0000-0x00000000037F2000-memory.dmp

                                                                memory/404-6-0x0000000003880000-0x0000000003881000-memory.dmp

                                                                memory/404-9-0x00000000037F0000-0x00000000037F2000-memory.dmp

                                                                memory/404-7-0x0000000002440000-0x0000000003470000-memory.dmp

                                                                memory/404-54-0x00000000037F0000-0x00000000037F2000-memory.dmp

                                                                memory/404-41-0x0000000002440000-0x0000000003470000-memory.dmp

                                                                memory/404-23-0x0000000002440000-0x0000000003470000-memory.dmp

                                                                memory/404-1-0x0000000002440000-0x0000000003470000-memory.dmp

                                                                memory/404-0-0x0000000001000000-0x0000000001027000-memory.dmp

                                                                memory/404-15-0x0000000002440000-0x0000000003470000-memory.dmp

                                                                memory/404-68-0x0000000002440000-0x0000000003470000-memory.dmp

                                                                memory/1208-66-0x0000000000CA0000-0x0000000000CB7000-memory.dmp

                                                                memory/1208-65-0x0000000000CA0000-0x0000000000CB7000-memory.dmp

                                                                memory/2388-86-0x0000000000140000-0x0000000000157000-memory.dmp

                                                                memory/3640-72-0x0000000001200000-0x0000000001217000-memory.dmp

                                                                memory/3640-74-0x0000000001200000-0x0000000001217000-memory.dmp

                                                                memory/3868-82-0x0000000001290000-0x00000000012A7000-memory.dmp

                                                                memory/4272-79-0x0000000000A00000-0x0000000000A17000-memory.dmp

                                                                memory/5072-69-0x0000000000540000-0x0000000000557000-memory.dmp

                                                                memory/5072-70-0x0000000000540000-0x0000000000557000-memory.dmp