Analysis

  • max time kernel
    115s
  • max time network
    125s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/05/2024, 10:19

General

  • Target
    4881000348f05a389943f348004f49f459deba85cc036ba602fe01422f11b063.dll
  • Size 120KB
  • Sample240519-mcxjtadh41
  • SHA256 4881000348f05a389943f348004f49f459deba85cc036ba602fe01422f11b063
  • 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
  • Executes dropped EXE 4 IoCs
  • UPX packed file 27 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 13 IoCs

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

  • Drops file in Windows directory 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:788
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:796
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:60
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2872
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2996
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2080
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3436
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\4881000348f05a389943f348004f49f459deba85cc036ba602fe01422f11b063.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:2064
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\4881000348f05a389943f348004f49f459deba85cc036ba602fe01422f11b063.dll,#1
                      3⤵
                      • Suspicious use of WriteProcessMemory
                      PID:1472
                      • C:\Users\Admin\AppData\Local\Temp\e574026.exe
                        C:\Users\Admin\AppData\Local\Temp\e574026.exe
                        4⤵
                        • Modifies firewall policy service
                        • UAC bypass
                        • Windows security bypass
                        • Executes dropped EXE
                        • Windows security modification
                        • Checks whether UAC is enabled
                        • Enumerates connected drives
                        • Drops file in Windows directory
                        • Suspicious behavior: EnumeratesProcesses
                        • Suspicious use of AdjustPrivilegeToken
                        • Suspicious use of WriteProcessMemory
                        • System policy modification
                        PID:2536
                      • C:\Users\Admin\AppData\Local\Temp\e57414f.exe
                        C:\Users\Admin\AppData\Local\Temp\e57414f.exe
                        4⤵
                        • Executes dropped EXE
                        PID:3244
                      • C:\Users\Admin\AppData\Local\Temp\e577232.exe
                        C:\Users\Admin\AppData\Local\Temp\e577232.exe
                        4⤵
                        • Executes dropped EXE
                        PID:3196
                      • C:\Users\Admin\AppData\Local\Temp\e577251.exe
                        C:\Users\Admin\AppData\Local\Temp\e577251.exe
                        4⤵
                        • Modifies firewall policy service
                        • UAC bypass
                        • Windows security bypass
                        • Executes dropped EXE
                        • 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:3536
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3576
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3776
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3872
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3936
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4016
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3832
                            • 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:4744
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:1308
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                                  1⤵
                                    PID:2004
                                  • C:\Windows\system32\backgroundTaskHost.exe
                                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                    1⤵
                                      PID:3288
                                    • C:\Windows\System32\RuntimeBroker.exe
                                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                                      1⤵
                                        PID:1936
                                      • C:\Windows\System32\RuntimeBroker.exe
                                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                                        1⤵
                                          PID:5076

                                        Network

                                              MITRE ATT&CK Enterprise v15

                                              Replay Monitor

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                                              Downloads

                                              e574026.exe

                                              • Path C:\Users\Admin\AppData\Local\Temp\e574026.exe
                                              • Size 97KB
                                              • SHA256 2d4712920db10496c94e66e2180d73591b83465cf5417d7919b32bc47e9cb8bc
                                              • MD5 SHA1 SHA512 SSDEEP

                                              SYSTEM.INI

                                              • Path C:\Windows\SYSTEM.INI
                                              • Size 257B
                                              • SHA256 18cd548e93b8f65eac5647f33d3d76c191820c41f5c2901b7d7ab3a16320b997
                                              • MD5 SHA1 SHA512

                                              memory/1472-33-0x0000000001450000-0x0000000001452000-memory.dmp

                                              memory/1472-12-0x0000000001450000-0x0000000001452000-memory.dmp

                                              memory/1472-16-0x0000000001450000-0x0000000001452000-memory.dmp

                                              memory/1472-1-0x0000000010000000-0x0000000010020000-memory.dmp

                                              memory/1472-13-0x0000000004640000-0x0000000004641000-memory.dmp

                                              memory/2536-39-0x0000000000780000-0x000000000183A000-memory.dmp

                                              memory/2536-72-0x0000000000780000-0x000000000183A000-memory.dmp

                                              memory/2536-24-0x0000000000780000-0x000000000183A000-memory.dmp

                                              memory/2536-30-0x0000000000780000-0x000000000183A000-memory.dmp

                                              memory/2536-34-0x0000000000780000-0x000000000183A000-memory.dmp

                                              memory/2536-25-0x0000000000780000-0x000000000183A000-memory.dmp

                                              memory/2536-11-0x0000000000780000-0x000000000183A000-memory.dmp

                                              memory/2536-26-0x0000000000780000-0x000000000183A000-memory.dmp

                                              memory/2536-10-0x0000000000780000-0x000000000183A000-memory.dmp

                                              memory/2536-27-0x0000000000570000-0x0000000000572000-memory.dmp

                                              memory/2536-31-0x0000000000570000-0x0000000000572000-memory.dmp

                                              memory/2536-9-0x0000000000780000-0x000000000183A000-memory.dmp

                                              memory/2536-8-0x0000000000780000-0x000000000183A000-memory.dmp

                                              memory/2536-35-0x0000000000780000-0x000000000183A000-memory.dmp

                                              memory/2536-36-0x0000000000780000-0x000000000183A000-memory.dmp

                                              memory/2536-37-0x0000000000780000-0x000000000183A000-memory.dmp

                                              memory/2536-38-0x0000000000780000-0x000000000183A000-memory.dmp

                                              memory/2536-15-0x0000000003D30000-0x0000000003D31000-memory.dmp

                                              memory/2536-40-0x0000000000780000-0x000000000183A000-memory.dmp

                                              memory/2536-5-0x0000000000400000-0x0000000000412000-memory.dmp

                                              memory/2536-81-0x0000000000570000-0x0000000000572000-memory.dmp

                                              memory/2536-74-0x0000000000780000-0x000000000183A000-memory.dmp

                                              memory/2536-46-0x0000000000780000-0x000000000183A000-memory.dmp

                                              memory/2536-91-0x0000000000400000-0x0000000000412000-memory.dmp

                                              memory/2536-67-0x0000000000780000-0x000000000183A000-memory.dmp

                                              memory/2536-60-0x0000000000780000-0x000000000183A000-memory.dmp

                                              memory/2536-61-0x0000000000780000-0x000000000183A000-memory.dmp

                                              memory/2536-63-0x0000000000780000-0x000000000183A000-memory.dmp

                                              memory/2536-65-0x0000000000780000-0x000000000183A000-memory.dmp

                                              memory/2536-66-0x0000000000780000-0x000000000183A000-memory.dmp

                                              memory/3196-52-0x0000000000400000-0x0000000000412000-memory.dmp

                                              memory/3196-136-0x0000000000400000-0x0000000000412000-memory.dmp

                                              memory/3244-32-0x0000000000400000-0x0000000000412000-memory.dmp

                                              memory/3244-45-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                              memory/3244-43-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                              memory/3244-95-0x0000000000400000-0x0000000000412000-memory.dmp

                                              memory/3244-44-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                              memory/3536-59-0x0000000000400000-0x0000000000412000-memory.dmp

                                              memory/3536-103-0x00000000007B0000-0x000000000186A000-memory.dmp

                                              memory/3536-107-0x00000000007B0000-0x000000000186A000-memory.dmp

                                              memory/3536-155-0x0000000000400000-0x0000000000412000-memory.dmp

                                              memory/3536-156-0x00000000007B0000-0x000000000186A000-memory.dmp