Analysis

  • max time kernel
    146s
  • max time network
    115s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/05/2024, 16:29

General

  • Target
    d9865ad634a9d9ca2abcc65f06c007e0_NEAS.dll
  • Size 120KB
  • Sample240507-tzarwsha72
  • SHA256 03c8e76f4d5478b8d7182d5c308ad4766f39498e1611de5f2b5d8237cab695d5
  • 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 3 IoCs
  • UPX packed file 28 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 12 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:792
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:64
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:3000
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:3020
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:3088
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3416
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\d9865ad634a9d9ca2abcc65f06c007e0_NEAS.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:3184
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\d9865ad634a9d9ca2abcc65f06c007e0_NEAS.dll,#1
                      3⤵
                      • Suspicious use of WriteProcessMemory
                      PID:2680
                      • C:\Users\Admin\AppData\Local\Temp\e573c3e.exe
                        C:\Users\Admin\AppData\Local\Temp\e573c3e.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:3376
                      • C:\Users\Admin\AppData\Local\Temp\e573d57.exe
                        C:\Users\Admin\AppData\Local\Temp\e573d57.exe
                        4⤵
                        • Executes dropped EXE
                        PID:888
                      • C:\Users\Admin\AppData\Local\Temp\e5770cb.exe
                        C:\Users\Admin\AppData\Local\Temp\e5770cb.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:3864
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3552
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3724
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3812
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3880
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:3968
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3332
                            • C:\Windows\System32\RuntimeBroker.exe
                              C:\Windows\System32\RuntimeBroker.exe -Embedding
                              1⤵
                                PID:2712
                              • 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:512
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                                  1⤵
                                    PID:4600
                                  • C:\Windows\system32\backgroundTaskHost.exe
                                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                    1⤵
                                      PID:320
                                    • C:\Windows\System32\RuntimeBroker.exe
                                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                                      1⤵
                                        PID:728
                                      • C:\Windows\System32\RuntimeBroker.exe
                                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                                        1⤵
                                          PID:2184

                                        Network

                                              MITRE ATT&CK Enterprise v15

                                              Replay Monitor

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                                              Downloads

                                              e573c3e.exe

                                              • Path C:\Users\Admin\AppData\Local\Temp\e573c3e.exe
                                              • Size 97KB
                                              • SHA256 e8b1c61c9652b4a99d723ad842b11b24b8d85fea01a28058566554d371e6a257
                                              • MD5 SHA1 SHA512 SSDEEP

                                              SYSTEM.INI

                                              • Path C:\Windows\SYSTEM.INI
                                              • Size 257B
                                              • SHA256 a012660a994cfa915874d04903ada3339a4be682cd5009f56c8aef188c67dc4f
                                              • MD5 SHA1 SHA512

                                              memory/888-44-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                              memory/888-91-0x0000000000400000-0x0000000000412000-memory.dmp

                                              memory/888-88-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                              memory/888-45-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                              memory/888-46-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                              memory/888-32-0x0000000000400000-0x0000000000412000-memory.dmp

                                              memory/2680-17-0x0000000000AF0000-0x0000000000AF2000-memory.dmp

                                              memory/2680-13-0x0000000000AF0000-0x0000000000AF2000-memory.dmp

                                              memory/2680-27-0x0000000000B10000-0x0000000000B11000-memory.dmp

                                              memory/2680-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                              memory/2680-26-0x0000000000AF0000-0x0000000000AF2000-memory.dmp

                                              memory/3376-39-0x0000000000730000-0x00000000017EA000-memory.dmp

                                              memory/3376-47-0x0000000000730000-0x00000000017EA000-memory.dmp

                                              memory/3376-28-0x0000000001AF0000-0x0000000001AF2000-memory.dmp

                                              memory/3376-31-0x0000000001AF0000-0x0000000001AF2000-memory.dmp

                                              memory/3376-30-0x0000000000730000-0x00000000017EA000-memory.dmp

                                              memory/3376-6-0x0000000000730000-0x00000000017EA000-memory.dmp

                                              memory/3376-35-0x0000000000730000-0x00000000017EA000-memory.dmp

                                              memory/3376-38-0x0000000000730000-0x00000000017EA000-memory.dmp

                                              memory/3376-37-0x0000000000730000-0x00000000017EA000-memory.dmp

                                              memory/3376-36-0x0000000000730000-0x00000000017EA000-memory.dmp

                                              memory/3376-34-0x0000000000730000-0x00000000017EA000-memory.dmp

                                              memory/3376-25-0x0000000000730000-0x00000000017EA000-memory.dmp

                                              memory/3376-40-0x0000000000730000-0x00000000017EA000-memory.dmp

                                              memory/3376-41-0x0000000000730000-0x00000000017EA000-memory.dmp

                                              memory/3376-12-0x0000000000730000-0x00000000017EA000-memory.dmp

                                              memory/3376-16-0x0000000001B00000-0x0000000001B01000-memory.dmp

                                              memory/3376-10-0x0000000000730000-0x00000000017EA000-memory.dmp

                                              memory/3376-11-0x0000000000730000-0x00000000017EA000-memory.dmp

                                              memory/3376-5-0x0000000000400000-0x0000000000412000-memory.dmp

                                              memory/3376-56-0x0000000000730000-0x00000000017EA000-memory.dmp

                                              memory/3376-57-0x0000000000730000-0x00000000017EA000-memory.dmp

                                              memory/3376-58-0x0000000000730000-0x00000000017EA000-memory.dmp

                                              memory/3376-61-0x0000000000730000-0x00000000017EA000-memory.dmp

                                              memory/3376-63-0x0000000000730000-0x00000000017EA000-memory.dmp

                                              memory/3376-64-0x0000000000730000-0x00000000017EA000-memory.dmp

                                              memory/3376-66-0x0000000000730000-0x00000000017EA000-memory.dmp

                                              memory/3376-71-0x0000000000730000-0x00000000017EA000-memory.dmp

                                              memory/3376-79-0x0000000001AF0000-0x0000000001AF2000-memory.dmp

                                              memory/3376-87-0x0000000000400000-0x0000000000412000-memory.dmp

                                              memory/3376-8-0x0000000000730000-0x00000000017EA000-memory.dmp

                                              memory/3376-9-0x0000000000730000-0x00000000017EA000-memory.dmp

                                              memory/3864-55-0x0000000000400000-0x0000000000412000-memory.dmp

                                              memory/3864-94-0x0000000000800000-0x00000000018BA000-memory.dmp

                                              memory/3864-108-0x0000000000800000-0x00000000018BA000-memory.dmp

                                              memory/3864-144-0x0000000000400000-0x0000000000412000-memory.dmp

                                              memory/3864-145-0x0000000000800000-0x00000000018BA000-memory.dmp