Analysis

  • max time kernel
    28s
  • max time network
    93s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/11/2024, 20:37

General

  • Target
    87201bfcb2f1bb4df3556b57dd9bc1de6293d054035f71189ab303c07408743bN.exe
  • Size 732KB
  • Sample241109-zees1asalp
  • SHA256 87201bfcb2f1bb4df3556b57dd9bc1de6293d054035f71189ab303c07408743b
  • 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 3 TTPs 6 IoCs
  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Sality

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

  • Sality family
  • UAC bypass 3 TTPs 2 IoCs
  • Windows security bypass 2 TTPs 12 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Windows security modification 2 TTPs 14 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

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

  • UPX packed file 37 IoCs

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

  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 53 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:792
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:800
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:412
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2824
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2880
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2976
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3432
                  • C:\Users\Admin\AppData\Local\Temp\87201bfcb2f1bb4df3556b57dd9bc1de6293d054035f71189ab303c07408743bN.exe
                    "C:\Users\Admin\AppData\Local\Temp\87201bfcb2f1bb4df3556b57dd9bc1de6293d054035f71189ab303c07408743bN.exe"
                    2⤵
                    • Modifies firewall policy service
                    • Modifies visibility of file extensions in Explorer
                    • Modifies visiblity of hidden/system files in Explorer
                    • UAC bypass
                    • Windows security bypass
                    • Windows security modification
                    • Adds Run key to start application
                    • Checks whether UAC is enabled
                    • Drops file in Windows directory
                    • System Location Discovery: System Language Discovery
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of SetWindowsHookEx
                    • Suspicious use of WriteProcessMemory
                    • System policy modification
                    PID:4836
                    • C:\Users\Admin\AppData\Roaming\Microsoft\Office\rundll32.exe
                      C:\Users\Admin\AppData\Roaming\Microsoft\Office\rundll32.exe
                      3⤵
                      • Modifies firewall policy service
                      • Modifies visiblity of hidden/system files in Explorer
                      • UAC bypass
                      • Windows security bypass
                      • Deletes itself
                      • Executes dropped EXE
                      • Windows security modification
                      • Checks whether UAC is enabled
                      • Enumerates connected drives
                      • System Location Discovery: System Language Discovery
                      • Suspicious behavior: EnumeratesProcesses
                      • Suspicious use of SetWindowsHookEx
                      • Suspicious use of WriteProcessMemory
                      • System policy modification
                      PID:4280
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3548
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3744
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3840
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3908
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:3988
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4168
                            • C:\Windows\System32\RuntimeBroker.exe
                              C:\Windows\System32\RuntimeBroker.exe -Embedding
                              1⤵
                                PID:2256
                              • 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:452
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:1692
                                  • C:\Windows\System32\RuntimeBroker.exe
                                    C:\Windows\System32\RuntimeBroker.exe -Embedding
                                    1⤵
                                      PID:116
                                    • C:\Windows\System32\RuntimeBroker.exe
                                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                                      1⤵
                                        PID:1356

                                      Network

                                            MITRE ATT&CK Enterprise v15

                                            Replay Monitor

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                                            Downloads

                                            rundll32.exe

                                            • Path C:\Users\Admin\AppData\Local\Temp\0E57D3BB_Rar\rundll32.exe
                                            • Size 664KB
                                            • SHA256 e1b9beb4617a720d55afaec364941bb18ea2c456a8b06b30a736f0cbb5c297e8
                                            • MD5 SHA1 SHA512 SSDEEP

                                            rundll32.exe

                                            • Path C:\Users\Admin\AppData\Roaming\Microsoft\Office\rundll32.exe
                                            • Size 732KB
                                            • SHA256 87201bfcb2f1bb4df3556b57dd9bc1de6293d054035f71189ab303c07408743b
                                            • MD5 SHA1 SHA512 SSDEEP

                                            SYSTEM.INI

                                            • Path C:\Windows\SYSTEM.INI
                                            • Size 257B
                                            • SHA256 4ed20fe7f1619bd430464234813cb1afc70d57cc80218c3b744468a41038ab6c
                                            • MD5 SHA1 SHA512

                                            pcgd.exe

                                            • Path C:\pcgd.exe
                                            • Size 100KB
                                            • SHA256 2ac6ae00d9b2f8e0417a7a5764b40eb900c4130b40ba1c31b9cbb6a40ae0b578
                                            • MD5 SHA1 SHA512 SSDEEP

                                            memory/4280-67-0x0000000004F20000-0x0000000005FAE000-memory.dmp

                                            memory/4280-70-0x0000000004F20000-0x0000000005FAE000-memory.dmp

                                            memory/4280-127-0x0000000000400000-0x00000000004BF000-memory.dmp

                                            memory/4280-87-0x0000000004F20000-0x0000000005FAE000-memory.dmp

                                            memory/4280-85-0x0000000004F20000-0x0000000005FAE000-memory.dmp

                                            memory/4280-80-0x0000000004F20000-0x0000000005FAE000-memory.dmp

                                            memory/4280-78-0x0000000004F20000-0x0000000005FAE000-memory.dmp

                                            memory/4280-76-0x0000000004F20000-0x0000000005FAE000-memory.dmp

                                            memory/4280-49-0x0000000004F20000-0x0000000005FAE000-memory.dmp

                                            memory/4280-74-0x0000000003060000-0x0000000003062000-memory.dmp

                                            memory/4280-73-0x0000000004F20000-0x0000000005FAE000-memory.dmp

                                            memory/4280-71-0x0000000004F20000-0x0000000005FAE000-memory.dmp

                                            memory/4280-56-0x0000000004A50000-0x0000000004A51000-memory.dmp

                                            memory/4280-69-0x0000000004F20000-0x0000000005FAE000-memory.dmp

                                            memory/4280-66-0x0000000004F20000-0x0000000005FAE000-memory.dmp

                                            memory/4280-62-0x0000000004F20000-0x0000000005FAE000-memory.dmp

                                            memory/4280-60-0x0000000004F20000-0x0000000005FAE000-memory.dmp

                                            memory/4280-61-0x0000000004F20000-0x0000000005FAE000-memory.dmp

                                            memory/4280-51-0x0000000004F20000-0x0000000005FAE000-memory.dmp

                                            memory/4280-52-0x0000000004F20000-0x0000000005FAE000-memory.dmp

                                            memory/4280-57-0x0000000004F20000-0x0000000005FAE000-memory.dmp

                                            memory/4280-53-0x0000000004F20000-0x0000000005FAE000-memory.dmp

                                            memory/4280-59-0x0000000003060000-0x0000000003062000-memory.dmp

                                            memory/4280-50-0x0000000004F20000-0x0000000005FAE000-memory.dmp

                                            memory/4280-54-0x0000000004F20000-0x0000000005FAE000-memory.dmp

                                            memory/4280-75-0x0000000004F20000-0x0000000005FAE000-memory.dmp

                                            memory/4280-48-0x0000000004F20000-0x0000000005FAE000-memory.dmp

                                            memory/4280-58-0x0000000003060000-0x0000000003062000-memory.dmp

                                            memory/4280-47-0x0000000004F20000-0x0000000005FAE000-memory.dmp

                                            memory/4836-21-0x00000000033D0000-0x000000000445E000-memory.dmp

                                            memory/4836-9-0x00000000033D0000-0x000000000445E000-memory.dmp

                                            memory/4836-5-0x00000000033D0000-0x000000000445E000-memory.dmp

                                            memory/4836-6-0x00000000033D0000-0x000000000445E000-memory.dmp

                                            memory/4836-23-0x00000000033D0000-0x000000000445E000-memory.dmp

                                            memory/4836-27-0x00000000033D0000-0x000000000445E000-memory.dmp

                                            memory/4836-0-0x0000000000400000-0x00000000004BF000-memory.dmp

                                            memory/4836-30-0x0000000005740000-0x0000000005742000-memory.dmp

                                            memory/4836-3-0x00000000033D0000-0x000000000445E000-memory.dmp

                                            memory/4836-41-0x0000000000400000-0x00000000004BF000-memory.dmp

                                            memory/4836-13-0x00000000033D0000-0x000000000445E000-memory.dmp

                                            memory/4836-22-0x00000000033D0000-0x000000000445E000-memory.dmp

                                            memory/4836-7-0x00000000033D0000-0x000000000445E000-memory.dmp

                                            memory/4836-15-0x0000000005740000-0x0000000005742000-memory.dmp

                                            memory/4836-17-0x0000000005740000-0x0000000005742000-memory.dmp

                                            memory/4836-18-0x0000000005740000-0x0000000005742000-memory.dmp

                                            memory/4836-16-0x0000000008B40000-0x0000000008B41000-memory.dmp

                                            memory/4836-8-0x00000000033D0000-0x000000000445E000-memory.dmp

                                            memory/4836-4-0x00000000033D0000-0x000000000445E000-memory.dmp

                                            memory/4836-10-0x00000000033D0000-0x000000000445E000-memory.dmp