Analysis

  • max time kernel
    87s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/02/2024, 23:45

General

  • Target

    25c4e7a31839af839ba71b3b2de3b381c0668d08a8fafaf7c8525f9e76f8a579.exe

  • Size

    3.1MB

  • MD5

    d394642d8a74023dd2adf35f600a0787

  • SHA1

    8b6607e25e6bb0d99ced83f9386127ec03598975

  • SHA256

    25c4e7a31839af839ba71b3b2de3b381c0668d08a8fafaf7c8525f9e76f8a579

  • SHA512

    8f75cdd6703275594836fdf999b057ef4c83d9aafc72b79106620c92d964382e7f8536c68c0b20fdc5a6e6a079be17b820aeba8c0e1ec392031b2b948e0f59c5

  • SSDEEP

    24576:jbirbSKb0zR97a4N/dy3evj5jcIsgA/H7ZQdf1qIWebPsTh9+:yrbSKb0FdasEuvV+H7a7zTsTe

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 3 IoCs
  • Sality

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

  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • UPX packed file 11 IoCs

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

  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Drops file in Windows directory 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\dwm.exe
    "dwm.exe"
    1⤵
      PID:64
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:792
      • C:\Windows\system32\fontdrvhost.exe
        "fontdrvhost.exe"
        1⤵
          PID:784
        • C:\Windows\system32\taskhostw.exe
          taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
          1⤵
            PID:2520
          • C:\Windows\System32\RuntimeBroker.exe
            C:\Windows\System32\RuntimeBroker.exe -Embedding
            1⤵
              PID:3912
            • C:\Windows\System32\RuntimeBroker.exe
              C:\Windows\System32\RuntimeBroker.exe -Embedding
              1⤵
                PID:3780
              • 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:1852
                • C:\Windows\System32\RuntimeBroker.exe
                  C:\Windows\System32\RuntimeBroker.exe -Embedding
                  1⤵
                    PID:4124
                  • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                    "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                    1⤵
                      PID:4012
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3848
                      • C:\Windows\system32\DllHost.exe
                        C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                        1⤵
                          PID:3756
                        • C:\Windows\system32\svchost.exe
                          C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                          1⤵
                            PID:3584
                          • C:\Windows\Explorer.EXE
                            C:\Windows\Explorer.EXE
                            1⤵
                              PID:3420
                              • C:\Users\Admin\AppData\Local\Temp\25c4e7a31839af839ba71b3b2de3b381c0668d08a8fafaf7c8525f9e76f8a579.exe
                                "C:\Users\Admin\AppData\Local\Temp\25c4e7a31839af839ba71b3b2de3b381c0668d08a8fafaf7c8525f9e76f8a579.exe"
                                2⤵
                                • Modifies firewall policy service
                                • UAC bypass
                                • Windows security bypass
                                • Windows security modification
                                • Checks whether UAC is enabled
                                • Drops file in Windows directory
                                • Suspicious behavior: EnumeratesProcesses
                                • Suspicious use of AdjustPrivilegeToken
                                • Suspicious use of WriteProcessMemory
                                • System policy modification
                                PID:4636
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                              1⤵
                                PID:2952
                              • C:\Windows\system32\sihost.exe
                                sihost.exe
                                1⤵
                                  PID:2848

                                Network

                                      MITRE ATT&CK Enterprise v15

                                      Replay Monitor

                                      Loading Replay Monitor...

                                      Downloads

                                      • memory/4636-0-0x0000000000400000-0x00000000004FD000-memory.dmp

                                        Filesize

                                        1012KB

                                      • memory/4636-1-0x0000000002400000-0x00000000034BA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4636-3-0x0000000002400000-0x00000000034BA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4636-4-0x0000000002400000-0x00000000034BA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4636-6-0x0000000003940000-0x0000000003942000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/4636-5-0x0000000002400000-0x00000000034BA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4636-7-0x0000000003950000-0x0000000003951000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/4636-9-0x0000000003940000-0x0000000003942000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/4636-10-0x0000000002400000-0x00000000034BA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4636-16-0x0000000002400000-0x00000000034BA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4636-17-0x0000000002400000-0x00000000034BA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4636-18-0x0000000002400000-0x00000000034BA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4636-19-0x0000000002400000-0x00000000034BA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4636-20-0x0000000002400000-0x00000000034BA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4636-23-0x0000000002400000-0x00000000034BA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4636-29-0x0000000003940000-0x0000000003942000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/4636-35-0x0000000000400000-0x00000000004FD000-memory.dmp

                                        Filesize

                                        1012KB