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Analysis

  • max time kernel
    123s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250129-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/02/2025, 03:29

General

  • Target

    2/LogViewer.exe

  • Size

    982KB

  • MD5

    e53384342ed061847481de03a05c27c2

  • SHA1

    b04c38c9c14bde2c4e5317c564a0a370fe5bc528

  • SHA256

    e1bdf6689993b95e96b7a2ee019ade34bbbce095261cde341d3b98de848f8fff

  • SHA512

    4f337461f9683016f6e4dc3ba5964bb04b523524024403122ef74b40378968f9f6fac79a910d290944e2363fd67e1e6802d2c2f7af6b8326524da088b9006771

  • SSDEEP

    12288:Q6gAWgT3dCFMF3xEqcT/msKXJy3ZMdfoa35+VQDmF4L0C9sZC0PQOD3ZwKvA3Raq:oqqqcT4Jy3ZMdfjkaRaEZ/XH3

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

http://www.klkjwre9fqwieluoi.info/

http://kukutrustnet777888.info/

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 37 IoCs

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

  • Drops file in Program Files directory 11 IoCs
  • Drops file in Windows directory 1 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 24 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:780
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:784
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:1020
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2800
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2844
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:408
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3444
                  • C:\Users\Admin\AppData\Local\Temp\2\LogViewer.exe
                    "C:\Users\Admin\AppData\Local\Temp\2\LogViewer.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
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of SetWindowsHookEx
                    • Suspicious use of WriteProcessMemory
                    • System policy modification
                    PID:4148
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3564
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3748
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3844
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3908
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:3992
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4100
                            • 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:3932
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:3404
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                                  1⤵
                                    PID:2752
                                  • C:\Windows\system32\backgroundTaskHost.exe
                                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                    1⤵
                                      PID:3668
                                    • C:\Windows\system32\BackgroundTaskHost.exe
                                      "C:\Windows\system32\BackgroundTaskHost.exe" -ServerName:BackgroundTaskHost.WebAccountProvider
                                      1⤵
                                        PID:1912
                                      • C:\Windows\System32\RuntimeBroker.exe
                                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                                        1⤵
                                          PID:1152
                                        • C:\Windows\System32\RuntimeBroker.exe
                                          C:\Windows\System32\RuntimeBroker.exe -Embedding
                                          1⤵
                                            PID:4824

                                          Network

                                          MITRE ATT&CK Enterprise v15

                                          Replay Monitor

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                                          Downloads

                                          • F:\ykwn.exe

                                            Filesize

                                            100KB

                                            MD5

                                            fc829aead90d9b6051f3ed41905f4d30

                                            SHA1

                                            e35b88c6c46be5ee19070b002fe3c1f0a7434965

                                            SHA256

                                            30bfe99982755cc06aed6f8493a204518b3e1d23251306f706f114e5eb4525cf

                                            SHA512

                                            eca00d25cad6e9f76c674a314a7cd3e6cb79f2ca683c36af34c5da9f66f403e7bf69e09329dc8e39e27985b9ad098dde5c1ac49e44929e72408a47acef53b8a1

                                          • memory/4148-25-0x0000000002460000-0x00000000034EE000-memory.dmp

                                            Filesize

                                            16.6MB

                                          • memory/4148-9-0x0000000002460000-0x00000000034EE000-memory.dmp

                                            Filesize

                                            16.6MB

                                          • memory/4148-11-0x0000000003770000-0x0000000003772000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/4148-12-0x0000000003770000-0x0000000003772000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/4148-10-0x0000000002460000-0x00000000034EE000-memory.dmp

                                            Filesize

                                            16.6MB

                                          • memory/4148-6-0x0000000002460000-0x00000000034EE000-memory.dmp

                                            Filesize

                                            16.6MB

                                          • memory/4148-5-0x0000000002460000-0x00000000034EE000-memory.dmp

                                            Filesize

                                            16.6MB

                                          • memory/4148-4-0x0000000002460000-0x00000000034EE000-memory.dmp

                                            Filesize

                                            16.6MB

                                          • memory/4148-8-0x0000000003780000-0x0000000003781000-memory.dmp

                                            Filesize

                                            4KB

                                          • memory/4148-7-0x0000000003770000-0x0000000003772000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/4148-14-0x0000000002460000-0x00000000034EE000-memory.dmp

                                            Filesize

                                            16.6MB

                                          • memory/4148-15-0x0000000002460000-0x00000000034EE000-memory.dmp

                                            Filesize

                                            16.6MB

                                          • memory/4148-13-0x0000000002460000-0x00000000034EE000-memory.dmp

                                            Filesize

                                            16.6MB

                                          • memory/4148-16-0x0000000002460000-0x00000000034EE000-memory.dmp

                                            Filesize

                                            16.6MB

                                          • memory/4148-17-0x0000000002460000-0x00000000034EE000-memory.dmp

                                            Filesize

                                            16.6MB

                                          • memory/4148-18-0x0000000002460000-0x00000000034EE000-memory.dmp

                                            Filesize

                                            16.6MB

                                          • memory/4148-19-0x0000000002460000-0x00000000034EE000-memory.dmp

                                            Filesize

                                            16.6MB

                                          • memory/4148-20-0x0000000002460000-0x00000000034EE000-memory.dmp

                                            Filesize

                                            16.6MB

                                          • memory/4148-22-0x0000000002460000-0x00000000034EE000-memory.dmp

                                            Filesize

                                            16.6MB

                                          • memory/4148-23-0x0000000002460000-0x00000000034EE000-memory.dmp

                                            Filesize

                                            16.6MB

                                          • memory/4148-27-0x0000000002460000-0x00000000034EE000-memory.dmp

                                            Filesize

                                            16.6MB

                                          • memory/4148-24-0x0000000003770000-0x0000000003772000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/4148-0-0x0000000000400000-0x00000000004FC000-memory.dmp

                                            Filesize

                                            1008KB

                                          • memory/4148-29-0x0000000002460000-0x00000000034EE000-memory.dmp

                                            Filesize

                                            16.6MB

                                          • memory/4148-30-0x0000000002460000-0x00000000034EE000-memory.dmp

                                            Filesize

                                            16.6MB

                                          • memory/4148-32-0x0000000002460000-0x00000000034EE000-memory.dmp

                                            Filesize

                                            16.6MB

                                          • memory/4148-34-0x0000000002460000-0x00000000034EE000-memory.dmp

                                            Filesize

                                            16.6MB

                                          • memory/4148-38-0x0000000002460000-0x00000000034EE000-memory.dmp

                                            Filesize

                                            16.6MB

                                          • memory/4148-39-0x0000000002460000-0x00000000034EE000-memory.dmp

                                            Filesize

                                            16.6MB

                                          • memory/4148-42-0x0000000002460000-0x00000000034EE000-memory.dmp

                                            Filesize

                                            16.6MB

                                          • memory/4148-43-0x0000000002460000-0x00000000034EE000-memory.dmp

                                            Filesize

                                            16.6MB

                                          • memory/4148-46-0x0000000002460000-0x00000000034EE000-memory.dmp

                                            Filesize

                                            16.6MB

                                          • memory/4148-48-0x0000000002460000-0x00000000034EE000-memory.dmp

                                            Filesize

                                            16.6MB

                                          • memory/4148-50-0x0000000002460000-0x00000000034EE000-memory.dmp

                                            Filesize

                                            16.6MB

                                          • memory/4148-51-0x0000000002460000-0x00000000034EE000-memory.dmp

                                            Filesize

                                            16.6MB

                                          • memory/4148-54-0x0000000002460000-0x00000000034EE000-memory.dmp

                                            Filesize

                                            16.6MB

                                          • memory/4148-61-0x0000000002460000-0x00000000034EE000-memory.dmp

                                            Filesize

                                            16.6MB

                                          • memory/4148-62-0x0000000002460000-0x00000000034EE000-memory.dmp

                                            Filesize

                                            16.6MB

                                          • memory/4148-64-0x0000000002460000-0x00000000034EE000-memory.dmp

                                            Filesize

                                            16.6MB

                                          • memory/4148-66-0x0000000002460000-0x00000000034EE000-memory.dmp

                                            Filesize

                                            16.6MB

                                          • memory/4148-68-0x0000000002460000-0x00000000034EE000-memory.dmp

                                            Filesize

                                            16.6MB

                                          • memory/4148-69-0x0000000002460000-0x00000000034EE000-memory.dmp

                                            Filesize

                                            16.6MB

                                          • memory/4148-3-0x0000000002460000-0x00000000034EE000-memory.dmp

                                            Filesize

                                            16.6MB

                                          • memory/4148-79-0x0000000000400000-0x00000000004FC000-memory.dmp

                                            Filesize

                                            1008KB