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Analysis

  • max time kernel
    110s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/12/2024, 20:24

General

  • Target

    2761d9cac0a88842100b74294422544c7e190d055e08ce4161645e21460d1a49.dll

  • Size

    120KB

  • MD5

    df9930ac6278241ebc7c9981c5e11eaf

  • SHA1

    5bfd177fed0352e47fbc9fcc207a6a181a2e7922

  • SHA256

    2761d9cac0a88842100b74294422544c7e190d055e08ce4161645e21460d1a49

  • SHA512

    795fdc620c9ddf373e0d7760bb38fc1cb56a66c7e86894445806ccaa3d064c9aa972d86b5c6c044f6f71ba1175844ff7d08fad5cdbf75c543779e2c5be967ac1

  • SSDEEP

    1536:QBF9UCDfkL5Tfp9SZ9sYd7whiRPgT4JbSRnTCuixjztklsJXJ+MRaSht7tmrDy25:QBFAVKXsYq+inT0jZkaJ5+mftmrDy2

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 14 IoCs

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

  • UPX packed file 30 IoCs

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

  • Drops file in Program Files directory 4 IoCs
  • 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 50 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:800
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:804
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:316
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2832
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:3004
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:1964
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3444
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\2761d9cac0a88842100b74294422544c7e190d055e08ce4161645e21460d1a49.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:3612
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\2761d9cac0a88842100b74294422544c7e190d055e08ce4161645e21460d1a49.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:2876
                      • C:\Users\Admin\AppData\Local\Temp\e57a43f.exe
                        C:\Users\Admin\AppData\Local\Temp\e57a43f.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 Program Files directory
                        • 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:1848
                      • C:\Users\Admin\AppData\Local\Temp\e57a577.exe
                        C:\Users\Admin\AppData\Local\Temp\e57a577.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:2232
                      • C:\Users\Admin\AppData\Local\Temp\e57bf97.exe
                        C:\Users\Admin\AppData\Local\Temp\e57bf97.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:2244
                • 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:3756
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3840
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3940
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4028
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:2296
                            • 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:4436
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:3608
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:2236

                                  Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

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                                  Downloads

                                  • C:\Users\Admin\AppData\Local\Temp\e57a43f.exe

                                    Filesize

                                    97KB

                                    MD5

                                    39271995d6501fed7ae75dd7e0a70fa1

                                    SHA1

                                    90e9e90af5512e2ea1196ec5a3d2e8476aa54c45

                                    SHA256

                                    3db3e5527cb7ca63a5333ffb8f59d24eebfbcda9ca7978d56bca1efbe77587bc

                                    SHA512

                                    6ab6757882c2c5cd3bb8d0fac524faa215fff18e47a581f89c38575dfa9f5ee8945b474fe9f667e04fbdc56056c847ee848cfca16b15c962de4054fec4d05098

                                  • memory/1848-41-0x0000000000730000-0x00000000017EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1848-36-0x0000000000730000-0x00000000017EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1848-6-0x0000000000730000-0x00000000017EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1848-9-0x0000000000730000-0x00000000017EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1848-90-0x0000000000730000-0x00000000017EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1848-108-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/1848-25-0x0000000000730000-0x00000000017EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1848-33-0x0000000000730000-0x00000000017EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1848-26-0x0000000000730000-0x00000000017EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1848-11-0x0000000000730000-0x00000000017EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1848-12-0x0000000000730000-0x00000000017EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1848-97-0x0000000003660000-0x0000000003662000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1848-30-0x0000000003660000-0x0000000003662000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1848-27-0x0000000003660000-0x0000000003662000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1848-16-0x0000000003E70000-0x0000000003E71000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/1848-50-0x0000000000730000-0x00000000017EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1848-86-0x0000000000730000-0x00000000017EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1848-10-0x0000000000730000-0x00000000017EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1848-8-0x0000000000730000-0x00000000017EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1848-34-0x0000000000730000-0x00000000017EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1848-35-0x0000000000730000-0x00000000017EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1848-52-0x0000000000730000-0x00000000017EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1848-37-0x0000000000730000-0x00000000017EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1848-38-0x0000000000730000-0x00000000017EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1848-39-0x0000000000730000-0x00000000017EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1848-84-0x0000000000730000-0x00000000017EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1848-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/1848-82-0x0000000000730000-0x00000000017EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1848-42-0x0000000000730000-0x00000000017EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1848-53-0x0000000003660000-0x0000000003662000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1848-54-0x0000000000730000-0x00000000017EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1848-80-0x0000000000730000-0x00000000017EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1848-74-0x0000000000730000-0x00000000017EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1848-71-0x0000000000730000-0x00000000017EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1848-69-0x0000000000730000-0x00000000017EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1848-65-0x0000000000730000-0x00000000017EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1848-64-0x0000000000730000-0x00000000017EA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2232-31-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/2232-62-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/2232-57-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/2232-88-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/2232-60-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/2232-112-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/2244-89-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/2244-59-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/2244-61-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/2244-63-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/2244-116-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/2876-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/2876-32-0x0000000002A80000-0x0000000002A82000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/2876-14-0x0000000002AD0000-0x0000000002AD1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/2876-17-0x0000000002A80000-0x0000000002A82000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/2876-13-0x0000000002A80000-0x0000000002A82000-memory.dmp

                                    Filesize

                                    8KB