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Analysis

  • max time kernel
    118s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/02/2025, 00:06

General

  • Target

    08dc3a006133c75be6748aecf79700eb44562ef8b4cdbd53b33a457451cc0c1a.exe

  • Size

    97KB

  • MD5

    c7ce2fdee1c53cbc160b34f1ae1c6ff8

  • SHA1

    3fa5ca4f1d6e50743dd7145447d3f77761f7468c

  • SHA256

    08dc3a006133c75be6748aecf79700eb44562ef8b4cdbd53b33a457451cc0c1a

  • SHA512

    44236470d1b17f05ffa72508bafc9d2d912636d864e6877d6cc1eb094635636c3a45ceffe3f7e72df79abaf46575bb31fef365bfa67d4e4410fd1571d0d62ec4

  • SSDEEP

    1536:DbIh+CV5zJ4E5Nf5HrPz+EAYt6kI5PGzM8mtERzzc09FnHam+:ftE5NhHrPqE8x5s1K8j+

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 21 IoCs

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

  • Drops autorun.inf file 1 TTPs 2 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • UPX packed file 40 IoCs

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

  • Drops file in Program Files directory 11 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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.

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 24 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 1 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:336
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2596
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2624
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2848
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3532
                  • C:\Users\Admin\AppData\Local\Temp\08dc3a006133c75be6748aecf79700eb44562ef8b4cdbd53b33a457451cc0c1a.exe
                    "C:\Users\Admin\AppData\Local\Temp\08dc3a006133c75be6748aecf79700eb44562ef8b4cdbd53b33a457451cc0c1a.exe"
                    2⤵
                    • Modifies firewall policy service
                    • UAC bypass
                    • Windows security bypass
                    • Windows security modification
                    • Checks whether UAC is enabled
                    • Enumerates connected drives
                    • Drops autorun.inf file
                    • Drops file in Program Files directory
                    • Drops file in Windows directory
                    • System Location Discovery: System Language Discovery
                    • Modifies registry class
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of WriteProcessMemory
                    • System policy modification
                    PID:4880
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3660
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3828
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3924
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:4012
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:2956
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3716
                            • 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:4032
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:2668

                                Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

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                                Downloads

                                • F:\nkxf.exe

                                  Filesize

                                  97KB

                                  MD5

                                  ca40e3345cfa9089bd758ba264f3d3fb

                                  SHA1

                                  b2a47c179b136d043245941884b4de7d0c6a8604

                                  SHA256

                                  ad6d345a52fb1c74fa2a09bfc848aae6809077ddf42e102ad1d78d098df8757c

                                  SHA512

                                  6f7ef7a89bd89ffda800be3f2176b4434ac3e901921f53970696d0f6b594b8a3acf9a841810f4eb38237c3bca864b005b88461b1266ab8bb4ea9fc360e5978fa

                                • memory/4880-32-0x0000000003AF0000-0x0000000003AF2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4880-16-0x0000000003AF0000-0x0000000003AF2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4880-7-0x0000000000780000-0x000000000183A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4880-6-0x0000000000780000-0x000000000183A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4880-14-0x0000000000780000-0x000000000183A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4880-15-0x0000000000780000-0x000000000183A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4880-20-0x0000000003AF0000-0x0000000003AF2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4880-18-0x0000000000780000-0x000000000183A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4880-19-0x0000000003AF0000-0x0000000003AF2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4880-8-0x0000000000780000-0x000000000183A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4880-17-0x0000000004240000-0x0000000004241000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/4880-5-0x0000000000780000-0x000000000183A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4880-0-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/4880-4-0x0000000000780000-0x000000000183A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4880-22-0x0000000000780000-0x000000000183A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4880-21-0x0000000000780000-0x000000000183A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4880-23-0x0000000000780000-0x000000000183A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4880-24-0x0000000000780000-0x000000000183A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4880-25-0x0000000000780000-0x000000000183A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4880-27-0x0000000000780000-0x000000000183A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4880-28-0x0000000000780000-0x000000000183A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4880-29-0x0000000000780000-0x000000000183A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4880-3-0x0000000000780000-0x000000000183A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4880-31-0x0000000000780000-0x000000000183A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4880-47-0x0000000000780000-0x000000000183A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4880-35-0x0000000000780000-0x000000000183A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4880-36-0x0000000000780000-0x000000000183A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4880-39-0x0000000000780000-0x000000000183A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4880-43-0x0000000000780000-0x000000000183A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4880-44-0x0000000000780000-0x000000000183A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4880-45-0x0000000000780000-0x000000000183A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4880-33-0x0000000000780000-0x000000000183A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4880-51-0x0000000000780000-0x000000000183A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4880-53-0x0000000000780000-0x000000000183A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4880-55-0x0000000000780000-0x000000000183A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4880-57-0x0000000000780000-0x000000000183A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4880-58-0x0000000000780000-0x000000000183A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4880-59-0x0000000000780000-0x000000000183A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4880-61-0x0000000000780000-0x000000000183A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4880-62-0x0000000000780000-0x000000000183A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4880-63-0x0000000000780000-0x000000000183A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4880-69-0x0000000000780000-0x000000000183A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4880-71-0x0000000000780000-0x000000000183A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4880-73-0x0000000000780000-0x000000000183A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4880-77-0x0000000000780000-0x000000000183A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4880-1-0x0000000000780000-0x000000000183A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4880-86-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB