Analysis

  • max time kernel
    40s
  • max time network
    111s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/06/2024, 04:29

General

  • Target
    9a3fc4a3e71ed71921e2f7d28b5d3ebe5ea0808cd9103ff03969b5752a6b2f01.exe
  • Size 1.5MB
  • Sample240602-e4kqbsba3v
  • SHA256 9a3fc4a3e71ed71921e2f7d28b5d3ebe5ea0808cd9103ff03969b5752a6b2f01
  • 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

  • Modifies firewall policy service 2 TTPs 6 IoCs
  • Sality

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

  • UAC bypass 3 TTPs 2 IoCs
  • Windows security bypass 2 TTPs 12 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • UPX packed file 33 IoCs

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

  • Windows security modification 2 TTPs 14 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 15 IoCs

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

  • Drops file in Program Files directory 3 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 60 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:780
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:784
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:316
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2556
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2580
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2696
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3572
                  • C:\Users\Admin\AppData\Local\Temp\9a3fc4a3e71ed71921e2f7d28b5d3ebe5ea0808cd9103ff03969b5752a6b2f01.exe
                    "C:\Users\Admin\AppData\Local\Temp\9a3fc4a3e71ed71921e2f7d28b5d3ebe5ea0808cd9103ff03969b5752a6b2f01.exe"
                    2⤵
                    • Modifies firewall policy service
                    • UAC bypass
                    • Windows security bypass
                    • Checks computer location settings
                    • Windows security modification
                    • Checks whether UAC is enabled
                    • Enumerates connected drives
                    • Drops file in Program Files directory
                    • Drops file in Windows directory
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of WriteProcessMemory
                    • System policy modification
                    PID:4604
                    • C:\Users\Admin\AppData\Local\Temp\9a3fc4a3e71ed71921e2f7d28b5d3ebe5ea0808cd9103ff03969b5752a6b2f01.exe
                      "C:\Users\Admin\AppData\Local\Temp\9a3fc4a3e71ed71921e2f7d28b5d3ebe5ea0808cd9103ff03969b5752a6b2f01.exe" --ws
                      3⤵
                      • Modifies firewall policy service
                      • UAC bypass
                      • Windows security bypass
                      • Windows security modification
                      • Checks whether UAC is enabled
                      • Enumerates connected drives
                      • Drops file in Windows directory
                      • Suspicious behavior: EnumeratesProcesses
                      • Suspicious use of WriteProcessMemory
                      • System policy modification
                      PID:640
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3672
                  • 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:4032
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:716
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:3240
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:2940
                            • C:\Windows\System32\RuntimeBroker.exe
                              C:\Windows\System32\RuntimeBroker.exe -Embedding
                              1⤵
                                PID:388
                              • 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:1824
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                                  1⤵
                                    PID:4596
                                  • C:\Windows\system32\backgroundTaskHost.exe
                                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                    1⤵
                                      PID:4148
                                    • C:\Windows\System32\RuntimeBroker.exe
                                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                                      1⤵
                                        PID:4912
                                      • C:\Windows\System32\RuntimeBroker.exe
                                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                                        1⤵
                                          PID:2096
                                        • C:\Windows\system32\DllHost.exe
                                          C:\Windows\system32\DllHost.exe /Processid:{AB8902B4-09CA-4BB6-B78D-A8F59079A8D5}
                                          1⤵
                                            PID:776
                                          • C:\Windows\system32\sihost.exe
                                            sihost.exe
                                            1⤵
                                              PID:2620
                                              • C:\Windows\explorer.exe
                                                explorer.exe /LOADSAVEDWINDOWS
                                                2⤵
                                                  PID:4748

                                              Network

                                                    MITRE ATT&CK Enterprise v15

                                                    Replay Monitor

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                                                    Downloads

                                                    SYSTEM.INI

                                                    • Path C:\Windows\SYSTEM.INI
                                                    • Size 257B
                                                    • SHA256 8845679cfcbe677a1f738bb64793f165d4e4ac1172bd4e58009f33be728617ae
                                                    • MD5 SHA1 SHA512

                                                    hwpb.exe

                                                    • Path C:\hwpb.exe
                                                    • Size 97KB
                                                    • SHA256 21e167e27af23198858bac240d44eed6cb2c42dd3df60321861de0340ab34754
                                                    • MD5 SHA1 SHA512 SSDEEP

                                                    memory/640-102-0x00000000027F0000-0x00000000027F2000-memory.dmp

                                                    memory/640-34-0x00000000027F0000-0x00000000027F2000-memory.dmp

                                                    memory/640-79-0x0000000002BF0000-0x0000000003CAA000-memory.dmp

                                                    memory/640-74-0x0000000002BF0000-0x0000000003CAA000-memory.dmp

                                                    memory/640-88-0x0000000002BF0000-0x0000000003CAA000-memory.dmp

                                                    memory/640-72-0x0000000002BF0000-0x0000000003CAA000-memory.dmp

                                                    memory/640-76-0x0000000002BF0000-0x0000000003CAA000-memory.dmp

                                                    memory/640-156-0x0000000002BF0000-0x0000000003CAA000-memory.dmp

                                                    memory/640-35-0x00000000027F0000-0x00000000027F2000-memory.dmp

                                                    memory/640-33-0x0000000002940000-0x0000000002941000-memory.dmp

                                                    memory/640-22-0x0000000000400000-0x000000000059B000-memory.dmp

                                                    memory/4604-30-0x0000000002340000-0x00000000033FA000-memory.dmp

                                                    memory/4604-43-0x0000000002340000-0x00000000033FA000-memory.dmp

                                                    memory/4604-21-0x0000000002340000-0x00000000033FA000-memory.dmp

                                                    memory/4604-24-0x0000000002340000-0x00000000033FA000-memory.dmp

                                                    memory/4604-23-0x0000000002340000-0x00000000033FA000-memory.dmp

                                                    memory/4604-25-0x0000000002340000-0x00000000033FA000-memory.dmp

                                                    memory/4604-26-0x0000000002340000-0x00000000033FA000-memory.dmp

                                                    memory/4604-27-0x0000000002340000-0x00000000033FA000-memory.dmp

                                                    memory/4604-29-0x0000000002340000-0x00000000033FA000-memory.dmp

                                                    memory/4604-0-0x0000000000400000-0x000000000059B000-memory.dmp

                                                    memory/4604-31-0x0000000002340000-0x00000000033FA000-memory.dmp

                                                    memory/4604-4-0x0000000002340000-0x00000000033FA000-memory.dmp

                                                    memory/4604-8-0x0000000004010000-0x0000000004011000-memory.dmp

                                                    memory/4604-16-0x0000000003DC0000-0x0000000003DC2000-memory.dmp

                                                    memory/4604-37-0x0000000002340000-0x00000000033FA000-memory.dmp

                                                    memory/4604-38-0x0000000002340000-0x00000000033FA000-memory.dmp

                                                    memory/4604-40-0x0000000002340000-0x00000000033FA000-memory.dmp

                                                    memory/4604-7-0x0000000003DC0000-0x0000000003DC2000-memory.dmp

                                                    memory/4604-46-0x0000000002340000-0x00000000033FA000-memory.dmp

                                                    memory/4604-47-0x0000000002340000-0x00000000033FA000-memory.dmp

                                                    memory/4604-49-0x0000000002340000-0x00000000033FA000-memory.dmp

                                                    memory/4604-51-0x0000000002340000-0x00000000033FA000-memory.dmp

                                                    memory/4604-52-0x0000000002340000-0x00000000033FA000-memory.dmp

                                                    memory/4604-62-0x0000000003DC0000-0x0000000003DC2000-memory.dmp

                                                    memory/4604-71-0x0000000000400000-0x000000000059B000-memory.dmp

                                                    memory/4604-17-0x0000000002340000-0x00000000033FA000-memory.dmp

                                                    memory/4604-20-0x0000000002340000-0x00000000033FA000-memory.dmp

                                                    memory/4604-18-0x0000000003DC0000-0x0000000003DC2000-memory.dmp

                                                    memory/4604-15-0x0000000002340000-0x00000000033FA000-memory.dmp

                                                    memory/4604-19-0x0000000002340000-0x00000000033FA000-memory.dmp

                                                    memory/4604-6-0x0000000002340000-0x00000000033FA000-memory.dmp

                                                    memory/4604-10-0x0000000002340000-0x00000000033FA000-memory.dmp

                                                    memory/4604-5-0x0000000002340000-0x00000000033FA000-memory.dmp

                                                    memory/4604-1-0x0000000002340000-0x00000000033FA000-memory.dmp