Analysis

  • max time kernel
    110s
  • max time network
    118s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250129-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-02-2025 14:31

General

  • Target

    7a3f03dc79b956eb6218d2b9743aa20b946a232804df4723f14659c8279f314dN.dll

  • Size

    120KB

  • MD5

    05dc3af1fd1b471d6170a732c2759ee0

  • SHA1

    ea5c938bdce345ae511842babe9a4db1ec1c990a

  • SHA256

    7a3f03dc79b956eb6218d2b9743aa20b946a232804df4723f14659c8279f314d

  • SHA512

    cd7c9b7dc8254bdc970f98b4bfc17fbf811af223c75e958126682d4f1359606c97d49a35732a5c255a9ab45d32fd7f6b6691dac82559edaf4f424134d95d1118

  • SSDEEP

    3072:op2c7tfPPHele+UPuZGR8AAzcsQkFHOoz:S2c71fjCZJAAzkk

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
  • Executes dropped EXE 3 IoCs
  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 9 IoCs

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

  • UPX packed file 27 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 4 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 57 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:792
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:380
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2824
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2908
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2408
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3440
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\7a3f03dc79b956eb6218d2b9743aa20b946a232804df4723f14659c8279f314dN.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:1040
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\7a3f03dc79b956eb6218d2b9743aa20b946a232804df4723f14659c8279f314dN.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:3732
                      • C:\Users\Admin\AppData\Local\Temp\e57a921.exe
                        C:\Users\Admin\AppData\Local\Temp\e57a921.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
                        • System Location Discovery: System Language Discovery
                        • Suspicious behavior: EnumeratesProcesses
                        • Suspicious use of AdjustPrivilegeToken
                        • Suspicious use of WriteProcessMemory
                        • System policy modification
                        PID:4896
                      • C:\Users\Admin\AppData\Local\Temp\e57aab7.exe
                        C:\Users\Admin\AppData\Local\Temp\e57aab7.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:2768
                      • C:\Users\Admin\AppData\Local\Temp\e57ce7b.exe
                        C:\Users\Admin\AppData\Local\Temp\e57ce7b.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:4380
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3568
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3760
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3856
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3920
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4000
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4156
                            • 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:3148
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:2140
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                                  1⤵
                                    PID:1752
                                  • C:\Windows\system32\backgroundTaskHost.exe
                                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                    1⤵
                                      PID:3772
                                    • C:\Windows\system32\BackgroundTaskHost.exe
                                      "C:\Windows\system32\BackgroundTaskHost.exe" -ServerName:BackgroundTaskHost.WebAccountProvider
                                      1⤵
                                        PID:3828
                                      • C:\Windows\System32\RuntimeBroker.exe
                                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                                        1⤵
                                          PID:4140
                                        • C:\Windows\System32\RuntimeBroker.exe
                                          C:\Windows\System32\RuntimeBroker.exe -Embedding
                                          1⤵
                                            PID:4796

                                          Network

                                          MITRE ATT&CK Enterprise v15

                                          Replay Monitor

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                                          Downloads

                                          • C:\Users\Admin\AppData\Local\Temp\e57a921.exe

                                            Filesize

                                            97KB

                                            MD5

                                            ff3d624400ebfcfa51b896559f33b6d6

                                            SHA1

                                            812b72a0d3e267c0d44159482b25509122e404ae

                                            SHA256

                                            ce8128fcde06104d86c65fc17d09146b9d8fea9698fd051f6257eab10c586d4d

                                            SHA512

                                            6eb5413720c58d00f5aa3825531974785ceef73ea74efe5b53271a94f0e2acaafa27810064c7f741f5d9e89cd678f69af54b30c2bcac8c6f5445511b0c972d5b

                                          • memory/2768-53-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/2768-101-0x0000000000B20000-0x0000000001BDA000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/2768-32-0x0000000000400000-0x0000000000412000-memory.dmp

                                            Filesize

                                            72KB

                                          • memory/2768-100-0x0000000000400000-0x0000000000412000-memory.dmp

                                            Filesize

                                            72KB

                                          • memory/2768-73-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/2768-55-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/2768-50-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                            Filesize

                                            4KB

                                          • memory/3732-26-0x0000000001280000-0x0000000001282000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/3732-15-0x0000000001310000-0x0000000001311000-memory.dmp

                                            Filesize

                                            4KB

                                          • memory/3732-1-0x0000000010000000-0x0000000010020000-memory.dmp

                                            Filesize

                                            128KB

                                          • memory/3732-14-0x0000000001280000-0x0000000001282000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/3732-45-0x0000000001280000-0x0000000001282000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/3732-25-0x0000000001280000-0x0000000001282000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/4380-105-0x0000000000400000-0x0000000000412000-memory.dmp

                                            Filesize

                                            72KB

                                          • memory/4380-54-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/4380-74-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/4380-56-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/4380-52-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                            Filesize

                                            4KB

                                          • memory/4380-48-0x0000000000400000-0x0000000000412000-memory.dmp

                                            Filesize

                                            72KB

                                          • memory/4896-27-0x0000000000760000-0x0000000000762000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/4896-58-0x0000000000760000-0x0000000000762000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/4896-37-0x0000000000880000-0x000000000193A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4896-36-0x0000000000880000-0x000000000193A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4896-38-0x0000000000880000-0x000000000193A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4896-39-0x0000000000880000-0x000000000193A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4896-23-0x0000000000880000-0x000000000193A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4896-33-0x0000000000880000-0x000000000193A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4896-42-0x0000000000880000-0x000000000193A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4896-34-0x0000000000880000-0x000000000193A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4896-30-0x0000000000880000-0x000000000193A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4896-12-0x0000000000880000-0x000000000193A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4896-8-0x0000000000880000-0x000000000193A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4896-11-0x0000000000880000-0x000000000193A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4896-17-0x0000000000770000-0x0000000000771000-memory.dmp

                                            Filesize

                                            4KB

                                          • memory/4896-10-0x0000000000880000-0x000000000193A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4896-59-0x0000000000880000-0x000000000193A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4896-60-0x0000000000880000-0x000000000193A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4896-61-0x0000000000880000-0x000000000193A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4896-62-0x0000000000880000-0x000000000193A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4896-64-0x0000000000880000-0x000000000193A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4896-66-0x0000000000880000-0x000000000193A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4896-68-0x0000000000880000-0x000000000193A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4896-71-0x0000000000880000-0x000000000193A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4896-72-0x0000000000880000-0x000000000193A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4896-9-0x0000000000880000-0x000000000193A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4896-28-0x0000000000760000-0x0000000000762000-memory.dmp

                                            Filesize

                                            8KB

                                          • memory/4896-76-0x0000000000880000-0x000000000193A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4896-95-0x0000000000400000-0x0000000000412000-memory.dmp

                                            Filesize

                                            72KB

                                          • memory/4896-13-0x0000000000880000-0x000000000193A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4896-6-0x0000000000880000-0x000000000193A000-memory.dmp

                                            Filesize

                                            16.7MB

                                          • memory/4896-5-0x0000000000400000-0x0000000000412000-memory.dmp

                                            Filesize

                                            72KB