Analysis

  • max time kernel
    94s
  • max time network
    98s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250129-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-02-2025 13:17

General

  • Target

    36d55517b3fbd6e031c2d495f6fcf16a513d4b770d4b001126b7e164b1ebdf14N.exe

  • Size

    65KB

  • MD5

    1fbcd82956a1b9b4e9323d7fbe29c140

  • SHA1

    9c40ab8173405bd1968eb72c716a20bf6cad24ba

  • SHA256

    36d55517b3fbd6e031c2d495f6fcf16a513d4b770d4b001126b7e164b1ebdf14

  • SHA512

    0512396b66b2b5705a8d99e7b34a16fc2e562e26e941168dcf4299e42c87d77980cd10b8b5c8957c6a7882befad8ab7b02f9b0fb226c24840368942e2825f864

  • SSDEEP

    1536:pvxIejOBW6LOB5yzKCdUBGlb5+XMnitfoF3zkOun:pxrOvs5y20t6Mg4DkOk

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 3 TTPs 3 IoCs
  • Sality

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

  • Sality family
  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 8 IoCs

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

  • UPX packed file 25 IoCs

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

  • Drops file in Windows directory 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:800
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:804
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:380
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2464
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:832
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:3096
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3524
                  • C:\Users\Admin\AppData\Local\Temp\36d55517b3fbd6e031c2d495f6fcf16a513d4b770d4b001126b7e164b1ebdf14N.exe
                    "C:\Users\Admin\AppData\Local\Temp\36d55517b3fbd6e031c2d495f6fcf16a513d4b770d4b001126b7e164b1ebdf14N.exe"
                    2⤵
                    • 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
                    • System Location Discovery: System Language Discovery
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of WriteProcessMemory
                    • System policy modification
                    PID:4412
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3644
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3836
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3928
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:4044
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:3664
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4208
                            • C:\Windows\System32\RuntimeBroker.exe
                              C:\Windows\System32\RuntimeBroker.exe -Embedding
                              1⤵
                                PID:4588
                              • 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:1528
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                                  1⤵
                                    PID:1540
                                  • C:\Windows\system32\backgroundTaskHost.exe
                                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                    1⤵
                                      PID:1632
                                    • C:\Windows\System32\RuntimeBroker.exe
                                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                                      1⤵
                                        PID:1940
                                      • C:\Windows\System32\RuntimeBroker.exe
                                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                                        1⤵
                                          PID:2948

                                        Network

                                        MITRE ATT&CK Enterprise v15

                                        Replay Monitor

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                                        Downloads

                                        • memory/4412-0-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/4412-7-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4412-14-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4412-8-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4412-19-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4412-21-0x0000000000510000-0x0000000000512000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/4412-15-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4412-18-0x0000000001B30000-0x0000000001B31000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/4412-17-0x0000000000510000-0x0000000000512000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/4412-20-0x0000000000510000-0x0000000000512000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/4412-16-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4412-5-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4412-4-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4412-6-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4412-3-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4412-1-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4412-22-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4412-23-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4412-24-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4412-26-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4412-25-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4412-28-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4412-29-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4412-30-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4412-32-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4412-33-0x0000000000510000-0x0000000000512000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/4412-34-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4412-36-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4412-38-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4412-41-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4412-61-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/4412-44-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB