Analysis

  • max time kernel
    92s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-12-2024 01:30

General

  • Target

    1937188fc53fe17abc9f1eaa0ae1ba96ee6c0f500c4229689ddd05e8843324d6N.dll

  • Size

    120KB

  • MD5

    e27f2599b81fe6c32dad4b92f96cf4f0

  • SHA1

    6e737171929c4332d82b6757fa7e96f9dac67745

  • SHA256

    1937188fc53fe17abc9f1eaa0ae1ba96ee6c0f500c4229689ddd05e8843324d6

  • SHA512

    5da79c165c06a95e1d4a7f09d8cbb4b9a9d635b20813ff65e751fa4f3eff1e932439afca9e5d2cd3a47e72708e2287fa0813dd7e08101ffcf742b477f71e3849

  • SSDEEP

    1536:mwYhS7/ocx823mlEQyraNYjFAIFpOIj66x++UPmC9nP3NuU8KBEJt6qEeS:mzi/ocG2fC0xH6WLrC9nPdIhD6kS

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 24 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 51 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:776
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:784
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:336
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2664
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2680
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:3056
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3376
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\1937188fc53fe17abc9f1eaa0ae1ba96ee6c0f500c4229689ddd05e8843324d6N.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:1032
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\1937188fc53fe17abc9f1eaa0ae1ba96ee6c0f500c4229689ddd05e8843324d6N.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:3156
                      • C:\Users\Admin\AppData\Local\Temp\e57a9cd.exe
                        C:\Users\Admin\AppData\Local\Temp\e57a9cd.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:1008
                      • C:\Users\Admin\AppData\Local\Temp\e57ab44.exe
                        C:\Users\Admin\AppData\Local\Temp\e57ab44.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:1480
                      • C:\Users\Admin\AppData\Local\Temp\e57d15a.exe
                        C:\Users\Admin\AppData\Local\Temp\e57d15a.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:3956
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3580
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3772
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3872
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3932
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4024
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:2988
                            • 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:4108
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:3888
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:2320

                                  Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

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                                  Downloads

                                  • C:\Users\Admin\AppData\Local\Temp\e57a9cd.exe

                                    Filesize

                                    97KB

                                    MD5

                                    7011ef1ba39450c77e0789cc1f5cecbe

                                    SHA1

                                    4e09071a66c8c36909c5580fb2d89fe05d4b7545

                                    SHA256

                                    b3ef16fb404f4f1e802cc5fd2373b80a5c5e822cc72e17bf81ac117b894b6063

                                    SHA512

                                    986e297ab8bb26ec6e6c3fd03e743862860fea96badf92ac939783154b38459e0ce13566611192182e64723f310c666c3bed90c89855d60147cd68a54b2f0bb3

                                  • memory/1008-57-0x0000000003660000-0x0000000003662000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1008-59-0x0000000000740000-0x00000000017FA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1008-6-0x0000000000740000-0x00000000017FA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1008-37-0x0000000000740000-0x00000000017FA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1008-16-0x0000000003E70000-0x0000000003E71000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/1008-12-0x0000000000740000-0x00000000017FA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1008-17-0x0000000000740000-0x00000000017FA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1008-29-0x0000000000740000-0x00000000017FA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1008-32-0x0000000000740000-0x00000000017FA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1008-28-0x0000000003660000-0x0000000003662000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1008-38-0x0000000000740000-0x00000000017FA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1008-21-0x0000000003660000-0x0000000003662000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1008-11-0x0000000000740000-0x00000000017FA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1008-10-0x0000000000740000-0x00000000017FA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1008-91-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/1008-73-0x0000000000740000-0x00000000017FA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1008-70-0x0000000000740000-0x00000000017FA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1008-68-0x0000000000740000-0x00000000017FA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1008-33-0x0000000000740000-0x00000000017FA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1008-34-0x0000000000740000-0x00000000017FA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1008-35-0x0000000000740000-0x00000000017FA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1008-36-0x0000000000740000-0x00000000017FA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1008-9-0x0000000000740000-0x00000000017FA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1008-67-0x0000000000740000-0x00000000017FA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1008-8-0x0000000000740000-0x00000000017FA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1008-64-0x0000000000740000-0x00000000017FA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1008-62-0x0000000000740000-0x00000000017FA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1008-61-0x0000000000740000-0x00000000017FA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1008-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/1008-58-0x0000000000740000-0x00000000017FA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1480-52-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1480-54-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1480-95-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/1480-49-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/3156-43-0x0000000000B60000-0x0000000000B62000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3156-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/3156-13-0x0000000000B60000-0x0000000000B62000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3156-18-0x0000000000B60000-0x0000000000B62000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3156-14-0x0000000000BB0000-0x0000000000BB1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/3156-27-0x0000000000B60000-0x0000000000B62000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3956-55-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3956-51-0x0000000000530000-0x0000000000531000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/3956-47-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/3956-53-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3956-99-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB